Display Intensity Control Patents (Class 396/282)
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Patent number: 11448948Abstract: In a processing method of image data in accordance with an embodiment of the present invention, a processor of an information processing apparatus calculates a heat quantity value when projecting and displaying image data, determines the image data as an image to be projected and displayed when the heat quantity value does not reach a threshold value, and generates processed image data so that a heat quantity is to be lower than the heat quantity value and determines the processed image data as an image to be projected and displayed when the heat quantity value exceeds the threshold value.Type: GrantFiled: March 11, 2021Date of Patent: September 20, 2022Assignee: CASIO COMPUTER CO., LTDInventor: Tetsuro Narikawa
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Patent number: 10611161Abstract: An image forming agent storage member comprises a housing, an image forming agent supply port and a fluid discharge mechanism. The housing carries the image forming agent. The image forming agent supply port is disposed on one side surface of a short side of the housing. The fluid discharge mechanism is disposed on a long side of the housing. When the image forming agent supply port receives the image forming agent filled into the housing, a fluid inside the housing is discharged through the fluid discharge mechanism. The fluid discharge mechanism comprises a shielding member, and positions of the shielding member and the image forming agent supply port on the housing do not correspond to each other. A laser printer using the image forming agent storage member is also provided.Type: GrantFiled: January 27, 2017Date of Patent: April 7, 2020Assignee: AVISION INC.Inventor: Chia-Hsin Lin
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Patent number: 10470720Abstract: Provided is a heart rate activity detecting method based on dynamic images. The method includes tracking a moving object. Preset brightness is determined based on an ambient condition. An image of the moving object is captured to generate a corresponding RGB color space, which is then converted to an image color space with adjustable brightness. The brightness of the image color space is adjusted according to the preset brightness to generate an image with corrected brightness, which is then converted to a RGB color space with the corrected brightness for calculating a heart rate activity of the moving object. The disclosure is capable of addressing the issue of an unstable light source by adjusting the brightness of the dynamic images, and then calculating the heart rate activity of the moving object according to the dynamic images. A heart rate activity detecting system based on dynamic images is also provided.Type: GrantFiled: December 28, 2016Date of Patent: November 12, 2019Assignee: Industrial Technology Research InstituteInventors: Tsung-Hua Li, Rong-Rong Chen, Yi-Fei Luo, Ming-Chieh Tsai
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Patent number: 8085333Abstract: A digital camera includes: an image processing unit that creates first display image data and second display image data; a display device that displays a first screen image and a second screen image so as to allow a user to observe the first screen image when viewed along a first direction with respect to a display face and so as to allow the user to observe the second screen image when viewed along a second direction that differs from the first direction; and a control unit that instructs the display device to display the first display image data as the first screen image, and the second display image data as the second screen image.Type: GrantFiled: April 7, 2010Date of Patent: December 27, 2011Assignee: Nikon CorporationInventor: Minoru Kato
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Patent number: 7952637Abstract: A display apparatus in which a long-time depression of a button for predetermined operations is discriminated, and a light-intensity of a display apparatus is modulated to a maximum or minimum intensity when a long-time depression is identified. This allows for setting a light intensity of a display apparatus by a simple operation.Type: GrantFiled: February 15, 2006Date of Patent: May 31, 2011Assignee: Canon Kabushiki KaishaInventor: Hirotaka Seki
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Patent number: 7907836Abstract: An imaging apparatus whose posture is easily adjustable is provided. The imaging apparatus is configured to include an inclination detector detecting a degree of inclination of one of the imaging apparatus and an image captured by the imaging apparatus relative to a horizontal direction orthogonal to a direction of gravity; a display unit; a first inclination indicator unit allowing the display unit to display an indicator to indicate the degree of inclination according to a detection result from the inclination detector; a second inclination indicator unit notifying via sound according to a detection result from the inclination detector that the degree of inclination is over a predetermined value; and a selector unit allowing at least one of the first and second inclination indicator units to operate.Type: GrantFiled: September 10, 2008Date of Patent: March 15, 2011Assignee: Ricoh Company, Ltd.Inventors: Junichi Shinohara, Koji Yokoyama, Mayu Takano, Hiroshi Morohoshi
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Patent number: 7583892Abstract: The present invention discloses a finder device capable of adjusting the amount of light emitted from a light-emitting display section arranged in the device according to the light-receiving level of an image pickup device. The amount of light emitted is adjusted, for example, so that the light-receiving level of the image pickup device is not saturated. The light-emitting display section can be configured, for example, to include a LED display element for projecting light onto a mat screen in the finder device and a drive circuit that can adjust the amount of LED light, or to include an LCD display unit provided adjacent to the mat screen and a backlight unit that can adjust the amount of light for the LCD unit.Type: GrantFiled: May 31, 2006Date of Patent: September 1, 2009Assignee: Olympus Imaging Corp.Inventor: Yoichiro Okumura
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Patent number: 7454137Abstract: A scene adaptive power control device using a plurality of input images as consecutive input images and controlling a power level of a light source used in displaying the third input image. The scene adaptive power control device including a histogram analysis unit to analyze the second input image and detect a first maximum brightness value of the second input image, a determination unit to detect brightness values matching a first threshold as a predetermined frequency value in the generated histogram and determining a second maximum brightness value, a generation unit generating a power control signal to control the power level of the light source by a value obtained by dividing the second maximum brightness value by the first maximum brightness value, and a compensation unit increasing a brightness of the third input image inversely proportional to the power level of the light source reduced by the power control signal.Type: GrantFiled: November 29, 2005Date of Patent: November 18, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-jin Lee, Moon-cheol Kim
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Patent number: 7403227Abstract: A digital camera includes a LCD that has a back light whose intensity level is set at a point midway between a maximum intensity setting and a minimum intensity setting. The back light level is then adjusted automatically from this default setting to a brightness level that corresponds to a measured scene level. The back light intensity level and contrast level of the LCD then change automatically thereafter to correspond to the measured scene level whereby the LCD controls are adjusted according to the lighting environment.Type: GrantFiled: October 6, 2004Date of Patent: July 22, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventor: Charles E. Schinner
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Patent number: 6816676Abstract: A method and arrangement of controlling the attributes of a camera display is disclosed. The method and arrangement obtain information relating to a scene and detect a sensitivity value associated with a camera. Using this information, at least a brightness of the camera display associated with the camera is controlled in accordance with the obtained information and the detected sensitivity value.Type: GrantFiled: April 19, 2002Date of Patent: November 9, 2004Assignee: Hewlett-Packard Development Company, L.P.Inventors: Mark John Bianchi, Amy E Battles
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Publication number: 20030198466Abstract: A method and arrangement of controlling the attributes of a camera display is disclosed. The method and arrangement obtain information relating to a scene and detect a sensitivity value associated with a camera. Using this information, at least a brightness of the camera display associated with the camera is controlled in accordance with the obtained information and the detected sensitivity value.Type: ApplicationFiled: April 19, 2002Publication date: October 23, 2003Inventors: Mark John Bianchi, Amy E. Battles
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Patent number: 6374054Abstract: A digital camera includes a viewfinder having a proximity sensor which is activated whenever a user looks through the viewfinder in preparation of viewing an object or framed scene. An illuminated status indicator mounted for viewing within the viewfinder for providing the user when camera status information is coupled to the proximity sensor through a microprocessor that controls the illumination level of the status indicator. The illumination level of the status indicator is controlled by the microprocessor in response to an auto-exposure algorithm that measures the brightness level of the object or framed scene that is being viewed by the user through the viewfinder.Type: GrantFiled: October 31, 2000Date of Patent: April 16, 2002Assignee: Hewlett-Packard CompanyInventor: Charles E. Schinner
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Patent number: 6047139Abstract: A camera capable of display in a finder, the camera including a finder optical system that allows a user to view an object to be photographed; a liquid crystal display device positioned within an optical path of the finder optical system; a polarizing member positioned in the optical path of the finder optical system and behind the liquid crystal display device, as viewed along an optical axis of the optical system; and projection device for projecting polarized light beams toward the liquid crystal display device from outside the optical path of the finder optical system.Type: GrantFiled: November 13, 1997Date of Patent: April 4, 2000Assignee: Canon Kabushiki KaishaInventor: Yasuo Suda
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Patent number: 5983029Abstract: An optical apparatus including a detecting unit for detecting sight line direction of a human eye, a correcting data forming unit, electrically connected to the detecting unit, for forming correcting data as to personal difference of a human eye, a visual mark presenting unit electrically coupled to the correcting data forming unit for presenting a plurality of focus point detecting frames for sampling correcting data at different positions in a visual field and being capable of flickering and lighting without flickering, and a control unit for controlling the apparatus on the basis of the sight line direction and the correcting data.Type: GrantFiled: June 9, 1997Date of Patent: November 9, 1999Assignee: Canon Kabushiki KaishaInventors: Akira Yamada, Keiji Nagata, Yoshiaki Irie, Akihiko Nagano
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Patent number: 5903788Abstract: A subject image is formed on a focusing screen by a taking lens in a camera. The focusing screen is constituted by a liquid crystal whose light diffusion characteristic is variable. The light diffusion characteristic is varied according to an open aperture value of the taking lens which is attached to the camera.Type: GrantFiled: August 26, 1996Date of Patent: May 11, 1999Assignee: Minolta Co., Ltd.Inventors: Hiromu Mukai, Katsuto Tanaka, Jun Ishihara, Ichiro Tsujimura
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Patent number: 5890022Abstract: A camera comprises an exposure counter for indicating the number of frames of a film load that have been exposed or remain to be exposed, and a flash illumination light source for illuminating a subject being photographed. The exposure counter has a phosphorescent substance that becomes luminescent due to the absorption of radiation and continues with an afterglow some time after the radiation has stopped, to permit one to read the exposure counter in dimly lit or dark ambience. A light pipe directs illumination from the light source to the phosphorescent substance. Thus, the exposure counter can be read in dimly lit or dark ambience after the light source has been used.Type: GrantFiled: January 14, 1998Date of Patent: March 30, 1999Assignee: Eastman Kodak CompanyInventors: Dwight J. Petruchik, Donald P. McGinn
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Patent number: 5708881Abstract: A needle-type display device for displaying photographic data in a camera, the display device including a display having indicating needles which move directly from displaying presently displayed values to displaying new values without temporarily returning to an origin position. The display device includes a half-press switch having first and second positions, and a rangefinder and photometric unit which operate when the half-press switch is in the first position. The display displays photographic data measured by the range finder and photometric unit according to an amount of movement from an origin position by the respective indicating needles. When the half-press switch switches to the second position, a hold command unit operates to hold the respective indicating needles for a predetermined period of time at the display position displaying the measured amount.Type: GrantFiled: November 18, 1994Date of Patent: January 13, 1998Assignee: Nikon CorporationInventors: Daiki Tsukahara, Tadashi Ohtani