Illumination Angle Responds To Focal Length Or Distance Patents (Class 396/62)
  • Patent number: 11841606
    Abstract: An accessory shoe apparatus on an electronic apparatus includes an engagement member and a communication. A shoe apparatus on an accessory apparatus is detachably attachable to the accessory shoe apparatus. The engagement member engages with the shoe apparatus and including an opening portion that faces the engaged shoe apparatus. The communication element performs wireless communication with the shoe apparatus via an inside of the opening portion.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: December 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Ishii, Natsumi Sekiguchi, Yoshinobu Okano
  • Patent number: 11356615
    Abstract: A camera device includes a first IR illuminator that is configured to irradiate a first irradiation range in a capturing area with first IR light, a second IR illuminator that is configured to irradiate a second irradiation range narrower than the first irradiation range in the capturing area with second IR light, and a controller that is configured to obtain a zoom magnification of the lens and controls the irradiation of the first IR light and the second IR light in a case where the zoom magnification is equal to a predetermined zoom magnification. The controller changes a supplied current of the first IR illuminator for the irradiation of the first IR light over a first predetermined time period, and changes a supplied current of the second IR illuminator for the irradiation of the second IR light over a second predetermined time period.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 7, 2022
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Tatsuya Tamaru, Satoshi Kataoka, Daisuke Hara, Hiroki Yamanaka
  • Patent number: 11122193
    Abstract: A lighting module which provides adjustably controllable illumination of a camera field of view of a camera module includes an adjustable collimator which can be adjustably positioned such that the emitted light beam is adjustably directed to illuminate various regions of various camera fields of view. The collimator can be adjusted via an actuator which adjustably positions the collimator relative to static components of the lighting module, including the light emitter. The light beam can be directed to illuminate a selected limited region of a camera field of view, based on identification of a subject within the limited region. The light beam can be adjustably directed based on user interactions with a user interface, including adjusting the light beam according to user-commanded beam angle, intensity, and direction. The light beam can be adjustably directed to illuminate a region according to different fields of view of different camera modules.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 14, 2021
    Assignee: Apple Inc.
    Inventors: Miodrag Scepanovic, Angelo M. Alaimo, Florian R. Fournier, Andreas G. Weber, Simon S. Lee
  • Patent number: 11086199
    Abstract: In an electrically-operated zooming strobe device of a lens moving type, to prevent damage to the zooming drive device even if an external force acts on the lens holder in the front-rear direction, a lens holder (26) having a lens (68) on a front side thereof is mounted on a strobe main body 24 having light emitting part (36) such that the lens holder is movable in the front-rear direction, and the strobe main body (24) is provided with a zooming drive device (47) including a movable member (44) driven by an electric motor (48) in the front-rear direction, wherein the movable member (44) and the lens holder (26) are connected to each other by a magnetic force of magnet pieces (62, 78) attached to the movable member (44) and the lens holder (26).
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: August 10, 2021
    Assignees: Nissin Industries Ltd.
    Inventor: Tak Wah Shum
  • Patent number: 10715647
    Abstract: The mobile terminal provided by the present disclosure includes a terminal body and a control unit. The terminal body is provided with a flash lamp. A zoom lens is provided in an advancing direction of a light of the flash lamp. The control unit is configured to control the flash lamp to switch between a flash mode and a flashlight mode according to an input command. The zoom lens has a plurality of operating states and can converge the light of the flash lamp in at least one operating state. Thus, the mobile terminal can be used as a flash and as a flashlight having a relatively large irradiation distance and further as a flashlight with adjustable irradiation distance.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: July 14, 2020
    Assignees: ZHEJIANG GEELY HOLDING GROUP CO., LTD., ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD.
    Inventor: Shufu Li
  • Patent number: 10627611
    Abstract: A lens barrel which prevents an increase in driving force for optical units in a direction of an optical axis to downsize a power transmission mechanism, save power and also prevents undesired movement of the optical units even when they are urged by urging forces large enough to prevent rattling. The optical units move in the direction of the optical axis, and they are urged by urging member in the direction of the optical axis. A camshaft provided on outer peripheries of the optical units extends in the direction of the optical axis and is cam-engaged with each of the optical units. The power transmission mechanism transmits driving force, which is for rotating the camshaft, to the camshaft. A torque generated in the camshaft by the urging member urging one of the optical units and another torque generated in the camshaft by the urging member urging another one of the optical units are opposite in direction.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Atsuto Noda
  • Patent number: 10027867
    Abstract: An image pickup apparatus capable of focusing correctly and of setting a bounce angle accurately. A lighting device that changes an irradiation angle is attached to an apparatus body. A first control unit drives the lighting device to perform pre-emission when the irradiation angle is controlled for bounce emission photographing where an object is photographed while being illuminated by a reflected light emitted from the lighting device and reflected by reflection material. A first distance measuring unit measures a first distance to the object and a second distance to the reflection material using the pre-emission. A second control unit sets up the irradiation angle based on the first and second distances and controls the lighting device to the set irradiation angle. A second distance measuring unit measures a third distance to the object during focus control. A prohibition unit prohibits the pre-emission when the second distance measuring unit measures the third distance.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 17, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Fumihiko Aikawa
  • Patent number: 8953095
    Abstract: The invention provides a flash light device, which includes a light source, a light diffuser and a light diffuser's driving unit. The light diffuser's driving unit provides the light diffuser with a required driving voltage according to a voltage information, in which the voltage information is determined according to an original image without light-complementing of the light source and a pre-flash image with light-complementing of the light source.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: February 10, 2015
    Assignee: Altek Corporation
    Inventor: Ming-Jiun Liaw
  • Patent number: 8606408
    Abstract: A safety control method for a fan includes: capturing an image of an object next to the fan and gathering distances between a plurality of points on the object and a depth-sensing camera, obtaining the distance between the object in the scene and the fan, comparing the distance between the object and the fan against a first preset value, and cutting off power to the fan when the distance between the object and the fan is less than the first preset value.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: December 10, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Publication number: 20130064531
    Abstract: A camera system having an electronic flash with a variable illumination angle, comprising: an image forming system having a user-selectable field-of-view for forming an image of a scene onto an image plane; an electronic flash system including a plurality of fixed focal length illumination lenses having two or more different focal lengths and one or more light emitters positioned behind each of the illumination lenses, the light emitters being positioned relative to their respective illumination lenses to provide two or more different illumination angles onto the scene; and a flash controller that selectively fires different subsets of the light emitters responsive to the selected field-of-view of the image forming system.
    Type: Application
    Filed: September 13, 2011
    Publication date: March 14, 2013
    Inventors: Bruce Harold Pillman, John Norvold Border, Joseph Raymond Bietry
  • Publication number: 20120219277
    Abstract: A luminaire (100) comprising: a, a radiation source (16), a first optical element (10a) and a second optical element (10b) each with a non-planar surface (14a, 14b), wherein, in a base state, the second optical element (10b) engages in the first optical element (10a) with its non-planar surface (14a) in an exact fit, wherein the first and the second optical element (10a, 10b) are movable relative to each other, and wherein the first and the second optical element (10a, 10b) are identical in construction.
    Type: Application
    Filed: October 18, 2010
    Publication date: August 30, 2012
    Inventors: Ulrich Hartwig, Henning Rehn
  • Patent number: 8254768
    Abstract: A system and method for capturing an image of one or both irises. To image an iris, a person stands or moves in a target zone. A flash element provides an incoherent flash of light through an aperture. The flash is filtered to produce filtered light. The filtered light has primary wavelengths in the far red and near infrared portions of the spectrum. The filtered light is not perceived well by the human eye due to short duration, NIR color and small size. The intensity of the filtered light at the target area surpasses the intensity of all ambient light. In this manner, a person's face in the target area will always be properly illuminated, even if that person were backlit by full sunlight. An image of the person's face is taken with a camera. The image of the face is analyzed to obtain any iris pattern information.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: August 28, 2012
    Inventors: Michael Braithwaite, Andrew Philip Govan Date, Mohamed Nabil Moustafa, Jason Chaikin
  • Patent number: 8154650
    Abstract: An electronic camera device has an imaging sensor to capture an image of a scene, a flash to illuminate the scene for capture by the sensor, and an evaluator to detect a condition in the scene. A redirector shifts the peak of a spatial energy profile of light from the flash. The peak is shifted from being aimed at one region in the scene to being aimed at another region in the scene, in response to the evaluator having detected the condition in the scene. Other embodiments are also described and claimed.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: April 10, 2012
    Assignee: Apple Inc.
    Inventor: Richard Tsai
  • Patent number: 7970269
    Abstract: The invention relates to an image acquisition apparatus, in particular a camera, for the identification of objects, comprising a focusable optical receiving system and an illumination unit including an object illumination and/or positioning illumination, wherein the object illumination and/or positioning illumination is adjustable and can hereby be matched to the focus of the optical receiving system, and wherein the object illumination and/or positioning illumination is coupled to the optical receiving system such that an adjustment of the focus of the optical receiving system automatically effects a matching of the object illumination and/or positioning illumination to the adjusted focus.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: June 28, 2011
    Assignee: SICK AG
    Inventors: Ralf Ulrich NĂ¼bling, Helmut Weber
  • Patent number: 7817909
    Abstract: An optical device directs light from a light source to a region of space, such as the field of view of a camera when the optical device is used as a camera flash unit. This device includes a first optical element which converges light from the light source towards an inner portion of the region to be illuminated and a second optical element which diverges part of the light from the first element outwardly towards an outer portion of the region to be illuminated so as to achieve adequate central illumination with improved uniformity of illumination across the region to be illuminated. The second optical element may have a concave multiple-faceted surface comprising plane facets in the shape of an open-base inverted truncated pyramid, contiguous sector-shaped facets, at least some of which are concave, or a face divided into an elongate portion disposed between first and second diverging portions.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: October 19, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: David James Montgomery, Grant Bourhill
  • Patent number: 7668448
    Abstract: A flash apparatus is provided. The flash apparatus includes: an attachment portion capable of being attached in a freely detachable manner to an attachment target portion provided on an imaging apparatus; a main body supported in a turnable manner in an anteroposterior direction with respect to the attachment portion by means of a first turning portion; and a light-emitting portion supported in a turnable manner in an anteroposterior or vertical direction with respect to the main body by means of a second turning portion, including a light emitter directly or indirectly emitting light to a subject.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: February 23, 2010
    Assignee: Sony Corporation
    Inventors: Haruo Hayashi, Yasuyuki Seki, Katsuhiro Sugiyama
  • Patent number: 7657165
    Abstract: An image taking apparatus has a small light-emitting section capable of easily adjusting a luminous intensity distribution of flash. Two reflection side plates are disposed such that they cover Fresnel lenses disposed on both ends of a protector when a zoom switch is operated to a WIDE side, light emitted sideway from an arc tube is reflected to the two reflection side plates and is guided toward a central side of the protector, and the luminous intensity distribution is adjusted such as to fit the WIDE image taking angle of view. If the zoom switch is operated to a TELE side, the two reflection side plates are inclined, light emitted sideway from the arc tube is guided to the Fresnel lenses, and the luminous intensity distribution is adjusted to fit a TELE image taking angle of view.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: February 2, 2010
    Assignee: Fujifilm Corporation
    Inventors: Kouhei Awazu, Kentaro Tokiwa
  • Patent number: 7652274
    Abstract: An optical device for use with an imaging device for taking photographic images of an object includes a light emitting element capable of emitting light, and a lens arranged so as to direct light from the light emitting element to illuminate the object. The light emitting element may include at least two light emitting zones arranged so that light from the light emitting zones can be directed from the lens in respective corresponding spatial angles, and that the light emitting zones can be individually and selectively controlled to emit a controllable intensity of light.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: January 26, 2010
    Assignee: Sony Ericsson Mobile Communications AB
    Inventor: Mats Wernersson
  • Patent number: 7577347
    Abstract: In an image taking apparatus, an arc tube and a reflector are moved forward when a zoom switch is operated to a WIDE-side and two reflection side plates are disposed such as to cover and hide Fresnel lenses located on both ends of a protector. Light emitted sideway from the arc tube is reflected from the reflection side plates, the light is introduced toward a central portion of the protector, and a radiation field suitable for a wide angle is formed. If the zoom switch is operated toward the TELE side, the reflection side plates are inclined such as to expose the Fresnel lenses on the both ends of the protector and the arc tube and the reflector are retreated at the same time, light emitted sideway from the arc tube is entirely guided to the Fresnel lenses, and a radiation field suitable for a TELE angle is formed.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: August 18, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Kouhei Awazu, Kentaro Tokiwa
  • Patent number: 7529478
    Abstract: An adaptive illumination device comprising first and second lighting units connected to each other by way of a hinge mechanism, and further provided with a gear mechanism such that angular movement of the first lighting unit about the hinge causes equivalent angular movement of the second lighting unit in an opposite direction about the hinge.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: May 5, 2009
    Assignee: Raytec Limited
    Inventors: Shaun Cutler, Tony Whiting, David Lambert
  • Publication number: 20080279541
    Abstract: An optical device directs light from a light source to a region of space, such as the field of view of a camera when the optical device is used as a camera flash unit. This device includes a first optical element which converges light from the light source towards an inner portion of the region to be illuminated and a second optical element which diverges part of the light from the first element outwardly towards an outer portion of the region to be illuminated so as to achieve adequate central illumination with improved uniformity of illumination across the region to be illuminated. The second optical element may have a concave multiple-faceted surface comprising plane facets in the shape of an open-base inverted truncated pyramid, contiguous sector-shaped facets, at least some of which are concave, or a face divided into an elongate portion disposed between first and second diverging portions.
    Type: Application
    Filed: December 19, 2005
    Publication date: November 13, 2008
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: David James Montgomery, Grant Bourhill
  • Patent number: 7385641
    Abstract: A camera arrangement comprising an illumination assembly for illuminating an object to be photographed by the camera arrangement, the illumination assembly comprising a sensor for sensing the object, first and second illuminators and a controller for controlling the illuminators, wherein the controller is arranged to effect operation only of the first illuminator when the sensor senses the object at a first distance from the camera arrangement, and the controller is arranged to effect operation of at least the second illuminator when the sensor senses the object at a second distance from the camera arrangement.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: June 10, 2008
    Assignee: Spyder Navigations, L.L.C.
    Inventor: Makoto Ito
  • Patent number: 7382976
    Abstract: A variable focal length light source is constructed using a tunable focus length lens which can be adjusted in synchronization to the focal length of a camera lens. In one embodiment, a deformable lens is used in conjunction with an LED light source to provide the tunable focal length required for a camera flash device.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: June 3, 2008
    Assignee: Avago Technologies ECB4 IP Pte Ltd
    Inventors: Thye Linn Mok, Wooi Kin Goon, Gim Eng Chew, Kee Yean Ng, Janet Bee Yin Chua, Rene P. Helbing
  • Patent number: 7298970
    Abstract: A camera apparatus (10) has a zoom lens (12) having a zoom focus setting that is adjustable over a range of focus values and control circuitry for generating a variable voltage potential according to the zoom focus setting. A flash illumination apparatus (20) has a light source (26) and a variable focus lens (24, 40), the variable focus lens (24, 40) having a first and a second fluid (42, 44) in a chamber (36, 46), the fluids (42, 44) having different indices of refraction and being non-miscible and in contact over an interface surface (54) with variable shape. An electrode (50) applies a variable voltage potential within the chamber (36, 46) for shaping the interface surface (54) according to the zoom focus setting.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: November 20, 2007
    Assignee: Eastman Kodak Company
    Inventors: Rongguang Liang, David Kessler
  • Patent number: 7099573
    Abstract: A zoom lens camera includes an optical-element drive mechanism for a photographing optical system, and a zooming-associating mechanism for associating a zooming-associated driven member with a zooming operation to be driven by the optical-element drive mechanism in a ready-to-photograph state, and for releasing the association of the zooming-associated driven member with the zooming operation between the ready-to-photograph state and the retracted state. The zooming-associating mechanism includes three rotational members, and includes a master rotational member and a slave rotational member at opposite ends thereof. Opposed surfaces of two adjacent rotational members include rotation transfer portions engaged with each other at predetermined relative angular positions so as to integrally rotate.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: August 29, 2006
    Assignee: PENTAX Corporation
    Inventor: Takahiro Ikemizo
  • Patent number: 6826364
    Abstract: A zoom flash includes a light emitter, a zoom driver which moves the light emitter along an axis to vary an illumination angle, a detecting device which detects a zoom position of the light emitter, a calculation device which calculates a pre-flash emission level according to the detected zoom position so that illuminance on an object at a predetermined distance is substantially constant regardless of a variation of the illumination angle, and a control device which activates the light emitter to emit a preliminary flash emission, before a main flash emission, by supplying a voltage corresponding to the pre-flash emission level for the light emitter. A flash photography system is also disclosed.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: November 30, 2004
    Assignee: PENTAX Corporation
    Inventors: Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura, Kazuhito Taneoka
  • Patent number: 6771898
    Abstract: An electronic flash is constructed with the ability to vary both collimation and direction allowing a user to direct the flash to a portion of the subject. Collimation and direction of the flash may be displayed in the viewfinder of the camera and may be independently controlled by the user.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: August 3, 2004
    Assignee: Hewlett-Packard Company
    Inventors: Heather N Bean, Mark N. Robins
  • Patent number: 6611663
    Abstract: The present invention provides a camera comprising a cam member having cam groves formed for moving lens units, where the cam groves alternately have variable power cam regions for moving the lens units for variable power and focusing cam regions for moving the lens units for focusing, an illumination device whose light distribution angle is changeable, and a finder device whose angle is changeable wherein the light distribution angle of the illumination device and the field angle of the finder device are changed while the lens units move in the variable power cam regions for variable power, and on the other hand, the light distribution angel of the illumination device and the field angle of the finder device are not changed while the lens units move in the focusing cam regions for focusing.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: August 26, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Nakagawa
  • Patent number: 6600877
    Abstract: A cam plate is disposed horizontally and movably to a horizontal direction inside a camera body. The cam plate includes a plate portion for moving variator lenses of a zoom finder device in cooperation with a zoom lens to vary a viewable field angle of a zoom finder device, and a rack gear formed integrally with the plate portion. The rack gear is engaged with an intermediate gear. A first flat gear being concentric with the intermediate gear is engaged with a second flat gear. Two flash rack gears are engaged with the first and second flat gears. These flash rack gears are formed in a frame holding a flash projector. When the zoom lens moves, the cam plate moves horizontally to vary the viewable field angle of the zoom finder device, and simultaneously the rack gear rotates the first and second flat gears.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: July 29, 2003
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventors: Motokazu Shimizu, Toru Ito
  • Patent number: 6598986
    Abstract: A zoom strobe device is provided with a light emitting unit, which includes a light source and a reflector and a light collecting lens that collects the light emitted by the light emitting unit. The light emitting unit and the light collecting lens are movable relative to each other in a direction of an optical axis of the light collecting lens. The light collecting lens is configured such that a light emitting unit side surface has a positive power, and a surface opposite to the light emitting unit side surface (i.e., the object side surface) has a negative power. The light collecting lens has a positive power as a whole.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: July 29, 2003
    Assignee: Pentax Corporation
    Inventor: Takaaki Yano
  • Publication number: 20030063905
    Abstract: A cam plate is disposed horizontally and movably to a horizontal direction inside a camera body. The cam plate includes a plate portion for moving variator lenses of a zoom finder device in cooperation with a zoom lens to vary a viewable field angle of a zoom finder device, and a rack gear formed integrally with the plate portion. The rack gear is engaged with an intermediate gear. A first flat gear being concentric with the intermediate gear is engaged with a second flat gear. Two flash rack gears are engaged with the first and second flat gears with putting them between the flash rack gears. These flash rack gears are formed in a frame holding a flash projector. When the zoom lens moves, the cam plate moves horizontally to vary the viewable field angle of the zoom finder device, and simultaneously the rack gear rotates the first and second flat gears. These first and second flat gears move the flash projector through the flash rack gears in order to vary an illuminating angle of a flashlight.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 3, 2003
    Applicant: FUJI PHOTO OPTICAL CO., LTD.
    Inventors: Motokazu Shimizu, Toru Ito
  • Patent number: 6535690
    Abstract: A camera includes a flash device movable between a withdrawn position, in which the flash device is received in a camera body, and an in-use position, in which the flash device protrudes from the camera body, an illumination-angle-varying mechanism for changing the illumination angle of the flash device, a lens barrel which is movable for magnification variation, and an operation-linkage mechanism serving, in mechanical linkage with the movement of the lens barrel, to move the flash device from the withdrawn position to the in-use position and to operate the illumination-angle-varying mechanism while the flash device is moving from the withdrawn position to the in-use position.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: March 18, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventor: Minoru Tanabe
  • Patent number: 6519418
    Abstract: A camera includes a lens barrel having a cam part in which a plurality of magnification varying cam areas for varying magnification and a plurality of focusing cam areas for focusing are alternately formed in a continuous manner, a flash light emitting part arranged to be capable of varying a luminous intensity distribution angle, a driving part for causing the lens barrel to move along an optical axis while rotating around the optical axis, the lens barrel having a lens thereof driven along the cam part to perform a magnification varying action or a focusing action, and a control mechanism for controlling the luminous intensity distribution angle of the flash light emitting part in association with the rotation of the lens barrel in such a way as to cause the luminous intensity distribution angle of the flash light emitting part to vary when the lens is driven to move along one of the plurality of magnification varying cam areas and to cause the luminous intensity distribution angle of the flash light emitti
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: February 11, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Nakagawa
  • Patent number: 6497520
    Abstract: A film transport gear mechanism is mounted on an upper portion of an internal body frame of a camera, and held rotatably from the top by a gear holding plate (51). The gear holding plate is integrally formed with a finder frame (50) that holds a viewfinder optical system, light emitting and receiving sections (48, 49) of an autofocus device and a photometry device (54) thereon. A slit (75) is formed between the gear holding plate and the finder frame, so the gear holding plate and the finder frame are interconnected merely through narrow connecting portions (76, 77). Warps and deformations in the gear holding plate are absorbed into the silt and not transmitted to the finder frame.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: December 24, 2002
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Akio Omiya
  • Patent number: 6496650
    Abstract: A zoom flash unit is disposed above a film containing chamber. Driving force of a magnification varying motor is transmitted to the zoom flash unit via a gear train, a rack plate, and a lever. By transmitting the driving force to the zoom flash unit, a flash angle is changed in accordance with a focal length of a taking lens. The gear train is disposed at the front of the film containing chamber, and the rack plate and the lever are disposed at the right thereof. The end of the rack plate bent at an angle of 90° is formed with rack teeth meshing with an output gear of the gear train. Owing to this structure, the mechanism for transmitting the driving force is easily disposed in a small space formed between the film containing chamber and an outer cover of a camera.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: December 17, 2002
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Motokazu Shimizu
  • Patent number: 6493510
    Abstract: A camera has a zoom optical system, which includes three lens groups disposed on an optical axis, for being set at least between a wide-angle end and a telephoto end. A zoom motor with plural barrels is movable in first and second moving region continuous with each other, for moving the zoom optical system along the optical axis. The first moving region is adapted to zoom the zoom optical system. A flash emitter emits flash light to a photographic field within an illuminating angular range. A cam groove has a transmission section and a non-transmission section. The transmission section operates in combination with a driving pin when the zoom motor is in the first moving region, for changing the illuminating angular range. The non-transmission section operates when the zoom motor is in the second moving region, for keeping the illuminating angular range unchanged.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: December 10, 2002
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Motokazu Shimizu
  • Patent number: 6477325
    Abstract: A lens holder for holding a taking lens is fitted in a lens barrel rotating and shifting. The lens barrel is provided with cams respectively inserted in pins of the lens holder. Each of the cams has a short-distance cam groove and a long-distance cam groove, and an oblique cam groove that connects the above mentioned cams. A flash selection switch slidable between an ON position and an OFF position. When the flash selection switch is in the OFF position, the pins are respectively located on the long-distance cam groove, so that the taking lens is set on a long-distance lens position to perform a daylight photography with pan-focus. When the flash section switch is slid to the ON position, the lens holder rotates by one of the pins. When the lens holder rotates, each of the pins respectively enters the short-distance cam groove and the taking lens is set on a short-distance lens position. The taking lens is focused on a short-distance zone to perform a flash photography.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: November 5, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takashi Tobioka
  • Patent number: 6404988
    Abstract: A camera includes a flash light emitting part arranged to be movable between a stowed position and a usage position, a first lever member arranged to swing in such a way as to cause the flash light emitting part to move from the stowed position to the usage position and from the usage position to the stowed position, a second lever member arranged to swing in such a way as to vary an illuminating angle of the flash light emitting part by moving a part of the flash light emitting part, when the flash light emitting part is in the usage position, and a rotating member arranged to rotate according to movement of a lens barrel, wherein a first engaging part arranged to engage the first lever member and a second engaging part arranged to engage the second lever member are formed at the rotating member.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: June 11, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventor: Minoru Tanabe
  • Publication number: 20020044771
    Abstract: The present invention provides a camera comprising:
    Type: Application
    Filed: September 13, 2001
    Publication date: April 18, 2002
    Inventor: Kazuo Nakagawa
  • Patent number: 6374051
    Abstract: There is disclosed a camera in which a power for a pop-up action of a built-in strobe is branched and taken out from & barrel-driving power transmitting path, the barrel is popped up in synchronization with an advancing action of the barrel from a retracted position to a shooting position, and a driving source for the barrel and a driving source for the strobe are from a common source. A first interrupting gear and a second interrupting gear are disposed coaxially and mutually movably in an intermediate portion of the barrel gear train. A following spring is interposed between the first interrupting gear and the second interrupting gear. The first interrupting gear idles in a predetermined range with respect to the second interrupting gear. A lock lever and a lock portion are made such that they can be engaged with and disengaged from each other.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: April 16, 2002
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Kenji Yamane
  • Patent number: 6347189
    Abstract: A flash controller of a camera system includes a camera body and an interchangeable lens which is detachably attached to the camera body, the camera body including a built-in flash, the interchangeable lens being of a type which can have data communication with the camera body to output lens data on the interchangeable lens to the camera body. The flash controller includes a memory which is provided in the camera body in which data on the built-in flash are pre-stored; and a calculating device, provided in the camera body, for judging whether flashlight emitted from the built-in flash will be interrupted by a periphery of the interchangeable lens in accordance with the lens data input from the interchangeable lens and flash data input from the built-in flash.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: February 12, 2002
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Hosokawa, Toshihiro Hamamura, Shigeru Iwamoto
  • Publication number: 20020009297
    Abstract: A camera includes a flash device movable between a withdrawn position, in which the flash device is received in a camera body, and an in-use position, in which the flash device protrudes from the camera body, an illumination-angle-varying mechanism for changing the illumination angle of the flash device, a lens barrel which is movable for magnification variation, and an operation-linkage mechanism serving, in mechanical linkage with the movement of the lens barrel, to move the flash device from the withdrawn position to the in-use position and to operate the illumination-angle-varying mechanism while the flash device is moving from the withdrawn position to the in-use position.
    Type: Application
    Filed: July 11, 2001
    Publication date: January 24, 2002
    Inventor: Minoru Tanabe
  • Publication number: 20020003954
    Abstract: A zoom flash unit is disposed above a film containing chamber. Driving force of a magnification varying motor is transmitted to the zoom flash unit via a gear train, a rack plate, and a lever. By transmitting the driving force to the zoom flash unit, a flash angle is changed in accordance with a focal length of a taking lens. The gear train is disposed at the front of the film containing chamber, and the rack plate and the lever are disposed at the right thereof. The end of the rack plate bent at an angle of 90° is formed with rack teeth meshing with an output gear of the gear train. Owing to this structure, the mechanism for transmitting the driving force is easily disposed in a small space formed between the film containing chamber and an outer cover of a camera.
    Type: Application
    Filed: July 6, 2001
    Publication date: January 10, 2002
    Applicant: Fuji Photo Optical Co., Ltd.
    Inventor: Motokazu Shimizu
  • Publication number: 20020001465
    Abstract: A pseudo zoom camera, which utilizes a film cartridge provided with an information storing device, comprises a taking lens optical system for projecting an object image onto a portion of photographic film, which portion has been pulled out of the film cartridge. The camera also comprises a finder optical system capable of displaying an image of a field angle, which is different from the field angle of the object image formed by the taking lens optical system, in a predetermined region representing an image-recording range. A writing device writes information representing an image range ratio of the image, which is displayed in the predetermined region by the finder optical system, to the object image, the information being written on the information storing device of the film cartridge.
    Type: Application
    Filed: July 19, 2001
    Publication date: January 3, 2002
    Applicant: Fuji Photo Optical Co., Ltd.
    Inventors: Hideo Kobayashi, Kazunori Ohno, Katsuji Ozawa, Michio Cho, Yoichi Iwasaki, Kazuhiko Onda, Takao Koda, Shigenori Goto
  • Patent number: 6334028
    Abstract: A pseudo zoom camera, which utilizes a film cartridge provided with an information storing device, comprises a taking lens optical system for projecting an object image onto a portion of photographic film, which portion has been pulled out of the film cartridge. The camera also comprises a finder optical system capable of displaying an image of a field angle, which is different from the field angle of the object image formed by the taking lens optical system, in a predetermined region representing an image-recording range. A writing device writes information representing an image range ratio of the image, which is displayed in the predetermined region by the finder optical system, to the object image, the information being written on the information storing device of the film cartridge.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: December 25, 2001
    Assignees: Fuji Photo Optical Co., Ltd., Fuji Photo Film Co., Ltd.
    Inventors: Hideo Kobayashi, Kazunori Ohno, Katsuji Ozawa, Michio Cho, Yoichi Iwasaki, Kazuhiko Onda, Takao K{overscore (o)}da, Shigenori Goto
  • Patent number: 6327434
    Abstract: A camera is provided, which can appropriately control the electronic flash irradiation area when the electronic flash device capable of setting its irradiation angle in a plurality of ways is used as an AF auxiliary light source, thus improving the use efficiency of the auxiliary light and reducing wasteful energy consumption. In the camera of the present invention, the control unit automatically controls an electronic flash irradiation angle to the narrow electronic flash emitting unit regardless of the imaging angle which was set, while performing the distance measurement operation in cooperation with the electronic flash.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: December 4, 2001
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yoichiro Okumura, Yoji Watanabe
  • Publication number: 20010033745
    Abstract: A camera includes a lens barrel having a cam part in which a plurality of magnification varying cam areas for varying magnification and a plurality of focusing cam areas for focusing are alternately formed in a continuous manner, a flash light emitting part arranged to be capable of varying a luminous intensity distribution angle, a driving part for causing the lens barrel to move along an optical axis while rotating around the optical axis, the lens barrel having a lens thereof driven along the cam part to perform a magnification varying action or a focusing action, and a control mechanism for controlling the luminous intensity distribution angle of the flash light emitting part in association with the rotation of the lens barrel in such a way as to cause the luminous intensity distribution angle of the flash light emitting part to vary when the lens is driven to move along one of the plurality of magnification varying cam areas and to cause the luminous intensity distribution angle of the flash light emitti
    Type: Application
    Filed: January 22, 2001
    Publication date: October 25, 2001
    Inventor: Kazuo Nakagawa
  • Publication number: 20010028792
    Abstract: A camera has a zoom optical system, which includes three lens groups disposed on an optical axis, for being set at least between a wide-angle end and a telephoto end. A zoom motor with plural barrels is movable in first and second moving region continuous with each other, for moving the zoom optical system along the optical axis. The first moving region is adapted to zoom the zoom optical system. A flash emitter emits flash light to a photographic field within an illuminating angular range. A cam groove has a transmission section and a non-transmission section. The transmission section operates in combination with a driving pin when the zoom motor is in the first moving region, for changing the illuminating angular range. The non-transmission section operates when the zoom motor is in the second moving region, for keeping the illuminating angular range unchanged.
    Type: Application
    Filed: March 30, 2001
    Publication date: October 11, 2001
    Applicant: Fuji Photo Optical Co., Ltd.
    Inventor: Motokazu Shimizu
  • Patent number: 6072954
    Abstract: A camera interlocking mechanism adjusts a visual field angle of a finder and/or an irradiation angle of a strobe in synchronization with a lens barrel being further extended from a photographable position upon telephoto photographing. A driving gear and a driven gear are provided with a thin tooth to temporarily keep a driving force of the driving gear from being transmitted to the driven gear, thus allowing the driving gear to idle. Consequently, a finder lens and a strobe flash bulb do not move more than necessary, whereby the space for installing the finder and strobe can be minimized, thus allowing the camera to have a smaller size.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: June 6, 2000
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Kazuhiko Onda
  • Patent number: 5978602
    Abstract: A photographic lens unit having a stepping motor to drive a cam ring that has a cam portion for driving a counter-cam portion of a lens frame for automatic focus of photographic lenses, and projections for driving a diaphragm. The cam ring is rotated for moving the counter-cam portion in an optical-axis direction with the counter-cam portion in contact with the cam portion. Automatic focus of the photographic lenses and photometry are carried out. Thereafter, the cam ring is further rotated so that the projection can bring the diaphragm to an aperture-narrowing state. The cam ring is then rotated reversely for moving the photographic lenses to an automatic focus position. Photographic operations are then carried out. After photography is completed, the diaphragm is reset by moving the counter-cam portion. The photographic lens unit is thus brought to a ready state for subsequent photography.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: November 2, 1999
    Assignee: Olympus Optical Co., Inc.
    Inventors: Toshiyuki Toyofuku, Yasuo Isashi, Fuminori Ueno, Shigeo Hayashi