Abstract: A camera driving device, including: a base frame, a magnetic rotating member, a yoke, and a coil. The magnetic rotating member is structured in one piece and includes a first and second magnetic pole that are opposite in polarity; the magnetic rotating member is formed with a base plate and a swing shaft extending from the base plate. The magnetic rotating member is coupled to the base frame, and the swing shaft is positioned at a side of base plate away from the base frame. The yoke is installed at the base frame, and the two terminus of the yoke is positioned to one side of the magnetic rotating member. The coil is wrapped on the yoke. Therein, the magnetic rotating member can rotate between a first and second position.

Abstract: An imaging system includes an image sensor and an optical filter. The image sensor captures image data in response to incident light. The optical filter filters the light and includes a dual window transmission spectrum. The dual window transmission spectrum includes a first transmission window having a first pass band aligned to pass visible light and a second transmission window having a second pass band overlapping with an absorption band of infrared light in Earth's atmosphere.

Abstract: The present invention relates to a camera system. The system includes a selector configured to select one of a still image shooting mode and a movie shooting mode, and a communication unit employing a plurality of communication methods by which communication between an interchangeable lens and a camera body is performed. If the still image shooting mode is selected by the selector and a lens information request command is sent from the camera body to the interchangeable lens, the communication unit operates such that information on the interchangeable lens is sent from the interchangeable lens to the camera body. If the movie shooting mode is selected by the selector, the communication unit operates such that the information on the interchangeable lens is sent from the interchangeable lens to the camera body even without the lens information request command being sent from the camera body to the interchangeable lens.

Abstract: The present disclosure is directed to a camera module that includes at least a semiconducting die, an image-sensing circuit, a lens, a lens aperture, and a coating that adheres to an exterior surface of the camera module. The coating is opaque to light and prevents light from accessing the camera other than through the lens aperture. The opaque coating is applied as a fluid and is cured. In one embodiment, a mask material is selectively applied to exterior surfaces of the semiconducting die, electrical interconnect layers, glass layers, the lens body, or the lens aperture. After applying the opaque coating, the selectively applied mask material is removed. Methods of selectively applying a mask material include applying a conformable and peelably releasable dope-like material, placing an array of joined, selectively shaped rigid masks over an array of assemblies, and applying a conformable mask material that is heat-expandable.

Abstract: A mobile device includes a camera module and a magnetism generating part that is different from the camera module. The camera module includes: a movable portion that corrects camera shake; a magnetism detecting element that detects a position of the movable portion. when the camera module is in a photographing state, the magnetism generating part is arranged at a position distant from the magnetism detecting element by at least the distance of D mm or more, where D = magnetic ? ? force ? ? of ? ? the ? ? magnetism ? ? generating ? ? part ? [ gauss ] .

Abstract: Certain embodiments provide a camera module comprising a sensor substrate, a lens holder, a lens, and an infrared light cut filter unit. The sensor substrate has a solid-state imaging device and a light receiving unit receiving infrared light. The lens holder is mounted on the sensor substrate so as to cover the solid-state imaging device and the light receiving unit. The lens is arranged in the lens holder. The infrared light cut filter unit is arranged in the lens holder.

Abstract: A camera module includes a lens barrel assembly and a lens holder. The lens assembly includes a lens barrel and a lens received in the lens barrel. The lens include an optical axis. The lens barrel defines a recess in a sidewall of the lens barrel. The barrel holder includes a peripheral sidewall, an inner flange formed on an inner surface of the peripheral sidewall, and a protrusion extending from the inner flange. The peripheral sidewall of the barrel holder is threadedly engaged with the lens barrel. The protrusion extends in a direction parallel to the optical axis and is inserted in the recess.

Abstract: A vibrating device includes first and second members, each shaped almost like a rectangle and composed of first and second parts, a connection member composed of a first circuit which inputs an electrical signal to the first part, a second circuit which outputs an electrical signal generated in the second part, and a connection part which connects the first and second circuits electrically, and a drive unit which drives the first and second members while the first and second circuits remain connected by the connection part. The first and second members are shaped symmetrically to one another in weight balance with respect to a virtual symmetry axis at the same distance from the first and second members and also to an virtual centerline connecting gravity centers of the first and second members. The second member is shaped asymmetrically in vibrational amplitude with respect to its vibrational axis.

Abstract: Disclosed herein is an electronic device connected to a camera main body and having an actuator, the electronic device including: a detection terminal adapted to come into contact with a terminal used by the camera main body to detect the connection to the electronic device when the electronic device is connected to the camera main body; a detection section adapted to detect the voltage of the detection terminal; a connection detection section adapted to detect the connection status to the camera main body based on the change in the voltage detected by the detection section; and a control section adapted to control the operation of the actuator based on the connection or disconnection to or from the camera main body detected by the connection detection section.

Abstract: The invention concerns A housing for a variable focus liquid lens (204) containing first and second immiscible liquids defining a liquid-liquid interface moveable by electrowetting by application of a voltage between first and second electrodes (206, 208) of the liquid lens, the housing comprising: a first portion (202) comprising a contact surface for contact with a circuit board (203); a second portion (211) for receiving the liquid lens, the second portion arranged to be moveable with respect to said first portion in a first direction parallel to an optical axis (?) of the liquid lens when said liquid lens is positioned in said housing; and first and second contacts (213, 216) for electrically coupling the circuit board to the first and second electrodes respectively of the liquid lens when said liquid lens is positioned in said housing, wherein each of the first and second contacts comprises a first conductive surface (215a, 218a) arranged to make contact with a second conductive surface (215b, 218b), sai

Abstract: The action camera has a housing, a lens, and an image sensor located in a light path from the lens. A filter is operable to move between first and second positions, with the first position located in the light path and the second position located out of the light path. An actuator moves the filter between the first and second positions. The actuator includes an electromagnet and a magnet. One of the electromagnet and the magnet is fixed relative to the light path, while the other of the electromagnet and the magnet is movable relative to the light path and is coupled to the filter. The magnet has poles that interact with the poles of the electromagnet. As the electromagnet is energized, the magnet rotates. The polarity of the electromagnet is reversed in order to reverse the rotation of the magnet. The camera is also provided with a light source. When the light source is activated, then the filter is moved accordingly. The actuator is small and consumes little electrical power.

Abstract: An imaging device for automatic dust removal is provided. The imaging device may include a glass layer and an electrostatic particle removal system associated with the glass layer. The electrostatic particle removal system may include an induction layer configured to induce a charge to a particle located between the glass layer and the electrostatic particle removal system, a field grid layer configured to provide an electric field for moving the charged particle, and a collector configured to collect the charged particle moved by the electric field.

Abstract: An imaging device comprises a lens barrel having a lens opening, and a lens positioned in the lens opening of the lens barrel, the lens having an optical center, a focal length F, an aperture diameter D, and an aperture number FN=F/D. An image sensor comprises an array of light sensing pixels that each have a dimension P, the sensor spaced apart a distance S from the optical center of the lens such that a focus offset gap X=F?S. The pixel dimension P and aperture number FN are selected such that 2·P·FN?X.

Abstract: A light quantity adjusting device includes a plate, an upper diaphragm blade, a lower diaphragm blade, and a diaphragm blade driving unit. The upper diaphragm blade has a semicircular upper main opening and a semicircular upper sub opening. The lower diaphragm blade has a semicircular lower main opening and a semicircular lower sub opening formed. The diaphragm blade driving unit is formed so as to be capable of switching between a state in which a circular main diaphragm opening is formed by the upper main opening and the lower main opening with an optical axis being the center and a state in which a circular sub diaphragm opening that is smaller than the main diaphragm opening is formed by the upper sub opening and the lower sub opening with the optical axis being the center.

Abstract: A drive unit inputs an electrical signal to the first and second vibrating members to generate, in a light-transmitting region of a dust-screening member, vibration forming peak ridges defining a closed curve around a first virtual intersection of an virtual symmetry axis at the same distance from the first and second vibrating members and a vibrational axis for both first and second vibrating members, the vibration gradually increasing as the amplitude of each vibrational peak approaches the first virtual intersection, and having a maximum amplitude at the vibrational peak including the first virtual intersection. The drive unit controls the electrical signal to move the vibrational axes of the first and second vibrating members on the virtual symmetry axis and to change the first virtual intersection to a second virtual intersection and moving a vibrational peak of maximum vibrational amplitude to a position including the second virtual intersection.

Abstract: A camera module is disclosed. In accordance with an embodiment of the present invention, the camera module includes a lens barrel, which supports a lens and in which the lens allows a ray of light to be incident at an imaging part, a driver, which moves the lens barrel along an optical axis, a body, which houses the lens barrel, and a buffering part, which is interposed between the lens barrel and the body when the lens barrel collides with the body.

Abstract: An exemplary portable electronic device includes a main body defining a shaft receiving hole an inner surface in the shaft receiving hole, a camera unit mounted on the main body, and a fastening member. The camera unit includes a camera module, and a shaft connected with the camera module. The shaft is rotatably received in the hole, and axially movable relative to the main body. The inner surface and the shaft cooperatively define a wedge-shaped space. The fastening member includes an elastic portion. The elastic portion is slidable between a first position where the elastic portion is engaged in a narrow end of the space, and the shaft is securely fastened to the main body by the elastic portion, and a second position where the elastic portion is disengaged from the narrower end of the space, and the shaft is unfastened from the main body.

Abstract: Systems and methods to achieve an auto-focus camera module having a retention system with low friction have been disclosed. A magnetic retention system holds the carrier of the camera module, the ball bearings, and the movable lens barrel together. In case of a major mechanical shock the force of the magnetic retention system may not be sufficient to hold the parts together. Therefore a hook, which is deployed on a fixed part of the carrier of the camera module, is introduced in order to hold the parts together when a mechanical shock occurs. The hook does only engage in the movable lens barrel in a shock condition, the hook does not touch the lens barrel under normal operation conditions, hence not causing any friction if no shock occurs.

Abstract: Providing for a wafer level optical system employing composite lenses is disclosed herein. Conventional focus lens assemblies require three or more lenses. By way of example, two composite lenses can be used to reduce the cost of a wafer-level camera. In some aspects, the composite lenses can be aspheric and can employ a broader variety of wafer materials than earlier designs that only operated in narrow ranges of refractive indices and Abbe numbers.

Abstract: To provide a camera that can perform a removal operation for particles adherent to a surface upon which light is incident, of a pickup device and a transmitting member disposed on an optical path of the pickup device in such a condition that the particles are properly removed. According to the present invention, a camera comprises a driving mechanism section to drop and remove particles on a cleaning target that is a surface of an image pickup device and/or a surface of a low-pass filter provided closer to a side of a subject in an optical path than the image pickup device, the subject light passing through the low-pass filter, which is provided with: a tilt sensor to detect an orientation of the camera; and a control section to judge whether a removal operation for the particles by the driving mechanism section should be carried out or not in accordance with the detected value from the tilt sensor.

Abstract: A miniature magnetic-levitated lens driving device includes a lid, a casing, a lens module, a plate spring, and a magnetic-levitated module. The lid has a hollow structure and is coupled to the casing. The casing is formed therein with a receiving space. The lens module is provided in the receiving space. The plate spring is fixed between the lid and the casing and configured to resiliently confine the lens module to the receiving space. The magnetic-levitated module is provided in the receiving space and corresponds in position to the lens module. A magnetic repulsive force is produced by and between the magnetic-levitated module and the lens module, and in consequence the lens module is magnetically suspended in the receiving space formed by the lid and the casing, so as to save power, and minimize friction and microparticles.

Abstract: A camera module includes a lens, an image sensor, a carrier carrying the image sensor, two spring supporting members, a frame, a base and a printed circuit board. The carrier has a comb-shaped first electrode having a number of first teeth. The carrier is suspended in the frame by the two spring supporting members, and is movable in a direction perpendicular to a surface of the image sensor. The base has a comb-shaped second electrode having a number of second teeth. The first teeth and second teeth are arranged in a staggered fashion. The printed circuit board provides a potential difference between the first and second electrodes, whereby an electrostatic force is generated between the first and second teeth to drive the first teeth to move towards the second teeth.

Abstract: To enable satisfactory simultaneous and widely varied pictures to be obtained, for example, by allowing a common user to obtain an overall picture while the common user performing desired image capturing, or the like. A first image capturing device image-captures a subject to record this image, and also transmits a trigger signal to a second image capturing device. The second image capturing device image-captures an image to record this image in accordance with the trigger signal. Thus, the first and second image capturing devices enable both of an overall image and a zoomed image to be obtained with simultaneous timing.

Abstract: A lens includes a light incident surface, a light emitting surface opposite to the light incident surface, and a side surface connected between the light incident surface and the light emitting surface. The side surface includes arc-shaped convex surfaces. Each arc-shaped convex surface protrudes in a direction perpendicular to an optical axis of the lens.

Abstract: Provided is a spacer member of a camera module which fixes a border of an elastic member for elastically supporting a lens holder upward and downward to a housing, and a camera module equipped with the same. The spacer member for a camera module, which is disposed between a cover and a plate spring of the camera module so as to fix a border of the plate spring to a housing, is characterized in that the spacer member is formed of an elastic material having cushion performance, and the spacer member is compressed toward the plate spring by the cover so that the plate spring is fixedly compressed to the housing.

Abstract: A vibrating device includes a dust-screening member shaped like a plate as a whole, a first vibrating member secured to the dust-screening member and configured to cause, when driven alone, the dust-screening member to undergo first standing-wave vibration, and a second vibrating member secured to the dust-screening member and configured to cause, when driven alone, the dust-screening member to undergo second standing-wave vibration. The first vibrating member and the second vibrating member are so positioned that the first standing-wave vibration and second standing-wave vibration produced by the first and second vibrating members, respectively, overlap each other, thus producing a travelling wave propagating in one direction and having nodes regions at an outer circumferential edge of the dust-screening member, the node regions having virtually no vibrational amplitude.

Abstract: A lens includes a light incident surface, a light emitting surface opposite to the light incident surface, and a side surface connected between the light incident surface and the light emitting surface. The side surface includes arc-shaped convex surfaces. Each arc-shaped convex surface protrudes in a direction perpendicular to an optical axis of the lens.

Abstract: An optical device for a lens assembly of a camera module is disclosed. The optical device includes a liquid lens having at least one fixed lens and a transparent window, facing each other and delimiting, at least in part, an internal volume containing two immiscible liquids having different optical indices, and a first and a second electrode. The liquids form an interface moveable by application of a voltage between said electrodes. The optical device also includes a liquid lens holder, wherein the liquid lens holder has at least one electrical contact for contacting one electrode of the liquid lens, and at least one Z reference datum for aligning the fixed lens of the liquid lens with other optical elements of the lens assembly.

Abstract: An optical device includes a lens, a horizontal transmission module, a vertical transmission module, a horizontal driving unit, a vertical driving unit, a horizontal orientation detector, a vertical orientation detector, a user interface, and a control unit. The horizontal driving unit moves the lens horizontally via the horizontal transmission module. The horizontal orientation detector can detect horizontal movement of the lens and emit a horizontal sensing signal. The vertical driving unit can move the lens vertically via the vertical transmission module. The vertical orientation detector can detect vertical movement of the lens and emit a vertical sensing signal. The user interface can generate an operation signal. The control unit can control movement of the lens according to the operation signal, the horizontal sensing signal, and the vertical sensing signal.

Abstract: An imaging device to which a support can be attached includes a support attachment unit and a support body unit. The support attachment unit includes a first threaded hole configured to be attached to the support, and an exposure face formed around the entrance of the first threaded hole. The support body unit includes a housing having an opening configured to expose the exposure face and an outer surface formed around the opening, and movably supports the support attachment unit. The support attachment unit is disposed at a first position when the support is not attached, and is disposed at a second position when the support is attached. The exposure face is disposed more to the inside of the housing than the outer surface when the support attachment unit is disposed at the first position.

Abstract: An imaging device comprising a light transmissive member 18 having light transmissive character, a vibration member 20 causing bending vibration for the light transmissive member, a driving portion 56 for driving the vibration member 20, wherein the driving portion 56 causes bending vibration of the light transmissive member 18 at a first frequency along with a first direction and causes bending vibration of the light transmissive member 18 at a second frequency along with a second direction which is different from said first frequency.

Abstract: Provided is a camera module including an image sensor module including a substrate; an image sensor that is mounted on a top surface of the substrate; a ground pad that is disposed on a bottom surface of the substrate; and a sealing member that seals the image sensor mounted on the substrate; a lens member that is stacked on the image sensor module; and a conductive member that is formed on side surfaces of the image sensor module and the lens member so as to be electrically connected to the ground pad.

Abstract: A digital camera includes a support structure, a lens carried by the support structure and having an optical axis, a detector, carried by the support structure under the lens and including a number of adjacent pixel rows. Each pixel row includes a number of pixels, and each pixel includes an image sensor. An image signal processor unit is connected to the detector, and includes an image scaler configured to scale each row of pixels by one of a plurality of respective scale factors which is different from the respective scale factor of an adjacent row of pixels.

Abstract: An image pickup apparatus according to the present invention includes an apparatus body including an image sensor built therein, and a lens unit, the apparatus body is provided with a back focus adjustment mechanism and a sliding member which is slidable in a direction perpendicular to an optical axis of the image sensor, the sliding member is provided with an infrared blocking filter and a dummy glass plate arranged next to each other, the apparatus is capable of switching modes between a day photographing mode in which the infrared blocking filter is positioned on the optical axis of the image sensor and a night photographing mode in which the dummy glass plate is positioned on the optical axis of the image sensor, and the dummy glass plate has a thickness greater than a thickness with which optical path length extension equivalent to that with the infrared blocking filter is obtained.

Abstract: An exemplary light blocking plate includes a light pervious substrate, a filter film formed on the light pervious substrate, and a metal film layer formed on the light pervious substrate and the optical filter film. The metal film layer defines a through hole to expose a central portion of the optical filter film.

Abstract: It has conventionally been difficult to reduce the size of a fast lens system having an F number of about 1.4 to 2.4. In a lens system of the present invention, a positive lens element is disposed closest to an object side. A diaphragm is disposed in a widest air space in the lens system. The lens system of the present invention satisfies the following conditions: 0.05<L_1/L—TH<0.21 1.5<L—TH/Y<8 where L_1 is an interval from a lens surface located closest to the object side to a lens surface located on the object side relative to the diaphragm; L_TH is an interval from the lens surface located closest to the object side to a lens surface located closest to an image side; and Y is a maximum image height.

Abstract: The present invention relates to a camera system. The system includes a selector configured to select one of a still image shooting mode and a movie shooting mode, and a communication unit employing a plurality of communication methods by which communication between an interchangeable lens and a camera body is performed. If the still image shooting mode is selected by the selector and a lens information request command is sent from the camera body to the interchangeable lens, the communication unit operates such that information on the interchangeable lens is sent from the interchangeable lens to the camera body. If the movie shooting mode is selected by the selector, the communication unit operates such that the information on the interchangeable lens is sent from the interchangeable lens to the camera body even without the lens information request command being sent from the camera body to the interchangeable lens.

Abstract: A dust removal apparatus of a photographing apparatus comprises a movable unit and a controller. The movable unit has an imaging device and is movable. The controller moves the movable unit on a plane that is parallel to a first direction and a second direction. The first direction is perpendicular to an optical axis of a photographing optical system that captures an optical image on a photographing surface of the imaging device. The second direction is perpendicular to the first direction and the optical axis. The controller moves the movable unit to a predetermined position that does not make contact with a boundary of a range of movement of the movable unit, and strikes the movable unit against the boundary of the range of movement in the second direction under the condition where a coordinate value in the first direction of the movable unit is held constant, as a dust removal operation.

Abstract: A lens drive device may include a thrust direction stopper mechanism which includes a thrust movement preventing abutting part of the movable body and a thrust movement preventing abutted part of the fixed body for restricting a moving range toward an object side of the movable body, and a radial direction stopper mechanism which includes a radial movement preventing abutting part of the movable body and a radial movement preventing abutted part of the fixed body for restricting a moving range in a radial direction of the movable body. The moving range in the radial direction under an inclined posture of the movable body with respect to an optic axis is restricted over all directions by the radial direction stopper mechanism and the thrust direction stopper mechanism.

Abstract: A camera module includes a lens barrel assembly and a lens holder. The lens assembly includes a lens barrel and a lens received in the lens barrel. The lens include an optical axis. The lens barrel defines a recess in a sidewall of the lens barrel. The barrel holder includes a peripheral sidewall, an inner flange formed on an inner surface of the peripheral sidewall, and a protrusion extending from the inner flange. The peripheral sidewall of the barrel holder is threadedly engaged with the lens barrel. The protrusion extends in a direction parallel to the optical axis and is inserted in the recess.

Abstract: A lens barrel is configured so as to rotatably support lens barriers by a barrier drive member that rotates around an optical axis and the lens barriers rotate and revolve on an axis when the lens barriers are opened and closed. The lens barrel includes wall units provided on an inner circumference portion facing to a space where the lens barriers of the lens barrel member operates, and convexes provided on surfaces of the lens barriers adjacent to the inner circumference portion of the lens barrel member. When the lens barriers are held at a barrier opening position and the barrier drive member is moved to a driving member closing position, the wall units are brought into contact with the convexes and the lens barriers are forcibly closed.

Abstract: A drive unit inputs an electrical signal to the first and second vibrating members to generate, in a light-transmitting region of a dust-screening member, vibration forming peak ridges defining a closed curve around a first virtual intersection of an virtual symmetry axis at the same distance from the first and second vibrating members and a vibrational axis for both first and second vibrating members, the vibration gradually increasing as the amplitude of each vibrational peak approaches the first virtual intersection, and having a maximum amplitude at the vibrational peak including the first virtual intersection. The drive unit controls the electrical signal to move the vibrational axes of the first and second vibrating members on the virtual symmetry axis and to change the first virtual intersection to a second virtual intersection and moving a vibrational peak of maximum vibrational amplitude to a position including the second virtual intersection.

Abstract: An imaging lens (LN) includes at least one lens block (BK), and an aperture stop (ape). The lens block (BK) includes parallel flat lens substrates (LS) formed of different materials, and a lens (L). In the imaging lens (LN), a first lens block (BK1) positioned closest to an object includes a first lens substrate (LS1) and a lens (L[LS1o], and a prescribed conditional expression is satisfied.

Abstract: A digital still camera includes a camera main unit and a lens unit or lens assembly. The camera main unit has an image processor for image processing of an image being formed by image pickup. A frame memory stores the image during image processing. The lens unit is secured to the camera main unit removably, and has an image sensor for forming the image by detecting object light passed through a photographing lens. A subsidiary image memory has a storage capacity according to a pixel number of the image sensor, for storing the image in a temporary manner in addition to the frame memory, to shorten image processing time. In one embodiment, at least one of the frame memory and the subsidiary image memory is caused to store luminance component data and chrominance component data of the image obtained according to an image signal thereof.

Abstract: An imaging body (1) includes: an attachment/detachment portion (2) to which an imaging optical system is detachably attached; an optical path division means (3); an imaging element (4); and a conversion optical system (5, 5?). The conversion optical system (5, 5?) is formed by a front lens system (5a, 5c, 5d) and a rear lens system (5b, 5e). The front lens system (5a, 5c, 5d) is disposed between the attachment/detachment portion (2) and the optical path division means (3). The rear lens system (5b, 5e) is disposed between the optical path division means (3) and the imaging element (4).

Abstract: A method and an apparatus for creating a new folder in an image forming apparatus having a built-in storage unit and a method and an apparatus for storing data using the same. The method of creating a folder in an image forming apparatus having a built-in storage unit includes determining whether to create the new folder in the built-in storage unit; and creating the new folder. The method of storing data includes: determining whether to store data from an external source; designating a folder for storing the data through a manipulation unit; and storing the data in the designated folder. When the data from an external storage is stored in a mass storage medium, such as a hard disk drive (HDD), a user is allowed to create, retrieve, and designate a folder for storing the data through a manipulation unit, such as a number key.

Abstract: A sliding mechanism (100) used in a portable electronic device (200) is provided. The sliding mechanism includes a sliding member (12). The sliding member includes a cover portion (121) and two sliding rails (123). The cover portion is made of a plastic material that can be electro-plated. The sliding rails are made of another plastic material that has a low coefficient of friction.

Abstract: A method and system for facilitating focusing of a miniature camera are disclosed. One or more lenses can be attached to a MEMS stage. The MEMS stage can be moved by a Lorentz actuator. The MEMS stage can be configured to limit movement of the lens(es) to a single degree of freedom to inhibit misalignment thereof with respect to an imaging sensor. The stage can be biased to a predefined position thereof, e.g., for focus at infinity. A metal cover can inhibit electromagnetic interference and can limit movement of the lens(es).

Abstract: An optical device includes an optical element, a transparent member arranged on the optical element, and a transparent resin adhesive for causing the transparent member to adhere and be fixed onto a circuit formation face of the optical element. The optical device includes a light detecting region having a plurality of micro lenses, a peripheral circuit region formed in the outer peripheral part of the light detecting region, and an electrode region formed at the outer peripheral part of the peripheral circuit region. A roughed region in a saw-toothed shape in section is formed in part of a face of the transparent member which adheres to the optical element, the part being overlapped with the outer peripheral part of the light detecting region as viewed in plan.

Abstract: A lens system for a miniature camera includes an imager and four cylindrical lenses disposed concentrically on an optical axis of the lens system. The lenses include, in order from a front end of the lens system to a back end thereof, a first lens, a second lens, a third lens and a fourth lens. The first lens has a positive power and aspheric front and back surfaces, the second lens has a negative power and aspheric front and back surfaces, the third lens is made of glass, has a positive power, a plano front surface and a spherical convex back surface, and the fourth lens has a negative power and aspheric front and back surfaces.