Abstract: An exemplary apparatus capable of picking and placing a workpiece into a container includes a suction device and a hollow body. The suction device is configured for providing a suction force for picking up the workpiece. The hollow body has a picking portion configured for picking and placing the workpiece into the container under the suction force, wherein a plurality of air slots are defined in an outer wall of the hollow body, the air slots are configured for providing an air passage between an interior of the container and an exterior thereof so as to facilitate movement of the hollow body into and out of the container, whereby the workpiece can be steadily placed in the container.

Abstract: A shutter for a micro camera module includes a substrate made from silicon wafer and a light absorbing layer covering the surface.

Abstract: A refractive-index measurement system includes a light source, a first beam splitter, a first reflective mirror, a second reflective mirror, a second beam splitter, a container, a first polarizer, and a second polarizer. The first beam splitter splits light emitted from the light source into first and second light beams. The first light beam and the second light beam are reflected by the first reflective mirror and the second reflective mirror, respectively, incident into the second light beam splitter. The container is positioned along an optical pathway of first light beam. The container accommodates a lens and is filled with a medium having a refractive index substantially the same as a theoretical refractive index of the lens. The first polarizer is positioned along the optical pathway of the first light beam. The second polarizer is positioned along an optical pathway of the second light beam.

Abstract: An interactive toy system comprises an image sensor, an information collecting unit, a memory, a comparative unit, a main control unit, and a light emitting diode array. The image sensor picks up movements of a user and output electrical signals. The information collecting unit collects the electrical signals and outputting processed signals after processing the electrical signals. The memory has a series of reference levels and an operation procedure stored therein, the operation procedure comprising many control signals corresponding to the reference levels. The comparative unit receives the processed signals and comparing the processed signals with the reference levels to output one of the corresponding control signals. The light emitting diode array is configured for emitting patterns of light by the main control unit based on the control signal from the comparative unit.

Abstract: An exemplary method for manufacturing an infrared (IR) cut-off filter coated lens array includes: providing a light pervious panel having a first surface and a second surface at opposite sides thereof; forming an infrared cut-off filter film on the first surface of the light pervious panel; and forming a plurality of discrete lens structures on the second surface of the light pervious panel through a photolithography process.

Abstract: A lens includes a central optical portion, a peripheral portion surrounding the central optical portion, a first ZnS coating formed on the central optical portion and the peripheral portion at one side of the lens, and a first MgF2 coating formed the central optical, the peripheral portion being free of MgF2 coating formed thereon. The optical thickness of the first ZnS coating is one quarter of a wavelength of predetermined light passing therethrough. The optical thickness of the first MgF2 coating is one quarter of the wavelength of the predetermined light.

Abstract: A distance measuring system includes a light source, an image capture apparatus, a light absorption member and a signal processing circuit. The image capture apparatus includes a first lens module, a second lens module and an image sensor. The lens modules respectively have a focus. The image sensor detects light from the light source at two optical spots of the two lens modules, respectively. The light absorption member is disposed generally between the two lens modules for absorbing light reflected from the lens modules and thereby reducing optical interference. The signal processing circuit is configured for calculating the ratios of the two distances to the focal lengths of the respective focuses. A perpendicular distance between the light source and a line passing through the centers of the first and second lens modules is obtained.

Abstract: A camera module includes a lens assembly, a lens barrel, an image sensor, a hollow holder receiving the lens barrel and the image sensor, and a thermally deformable member. The lens assembly defines a first focal length with a first focus point at a first temperature and a second focal length with a second focus point at a second temperature on an optical axis associated therewith. The thermally deformable member has one end attached to the lens barrel and an opposite end attached to the holder. The thermally deformable member comprises a first sheet and a second sheet. Wherein at the second temperature, the second sheet bends toward the first sheet thereby moving the second focus point toward the first focus point and the image plane of the lens assembly with the second focal length toward the image sensor.

Abstract: A method for testing and positioning a lens includes determining whether a modulation transfer function (MTF) value of the lens for an object at a first object distance is not less than a first required MTF value and whether another MTF value of the lens for an object at a secondary object distance is not less than a secondary required MTF value. A first MTF curve is plotted according to optical resolution measurements for the object at the first object distance, and the secondary MTF curve is obtained by offsetting the first MTF curve. The secondary MTF curve can approximately represent optical resolution measurements for the object at a secondary object distance. The method can determine an ideal range of positions of the lens relative to an image sensor.

Abstract: A unitary composite lens includes a body and an optical filter. The optical filter is embedded within the body.

Abstract: A range finder system (100) includes a point light source (10), image pickup devices (20), (30), and a processing device (50). The point light source (10) emits light. The image pickup devices (20), (30) include lenses (22), (32) and sensors (24), (34), respectively. The lenses have focal lengths F1, F2 and the sensors (24), (34) have light-received units. The processing device (50) is electrically coupled to the image pickup devices (20), (30). The processing device (50) calculates distance D1, D2 from locations of images of the point light source (10) on the light-received units to centers of the sensors (24), (34), respectively. A distance X from the point light source (10) to the first lens (22) and the second lens (32) is determined based on the ratio of D1 to F1 and the ratio of D2 to F2.

Abstract: A lens module includes: a lens barrel, a first lens, a second lens and a transparent adhesive layer. The first and second lenses are received in the lens barrel, and a clear aperture of the first lens is equal to and in alignment with that of the second lens. The transparent adhesive layer is applied between the first and second lenses in a manner such that the transparent adhesive layer spaces and joins the first and second lenses. A method for assembling the lens module is also provided.

Abstract: A lens module assembly and an imaging system are disclosed. The imaging system includes the lens module assembly and an image sensor received in the assembly. The lens module assembly includes a lens module, and a temperature regulator disposed on the lens module. The temperature regulator is configured for keeping temperature of the lens module within a predetermined range so as to ensure image quality of the lens module.

Abstract: A method for testing and positioning a lens includes determining whether a modulation transfer function (MTF) value of the lens for an object at a first object distance is not less than a first required MTF value and whether another MTF value of the lens for an object at a secondary object distance is not less than a secondary required MTF value. A first MTF curve is plotted according to optical resolution measurements for the object at the first object distance, and the secondary MTF curve is obtained by offsetting the first MTF curve. The secondary MTF curve can approximately represent optical resolution measurements for the object at a secondary object distance. The method can determine an ideal range of positions of the lens relative to an image sensor.

Abstract: A lens module includes a barrel, a lens, and a light leveling assembly. The barrel includes an opening, which allows a light to pass therethrough. The lens is accommodated in the barrel. The light leveling assembly is accommodated in the barrel. The light leveling assembly includes a substrate and a film. The substrate has a first surface where the film is disposed and an opposite second surface facing the lens. A thickness of the film is approximately equal to a quarter wavelength of the light. A refractive index of the film exceeds that of the substrate.

Abstract: A portable electronic device includes a housing including an opening defined in a peripheral side surface thereof, a camera module mounted in the housing, and a light-reflecting member rotatably mounted at the opening. The camera module is aligned with and faces toward the opening. The light-reflecting member mounted at the opening and is configured for reflecting light into the camera module. The portable electronic device is capable of employing high resolution camera module while retaining thin thickness.

Abstract: A refractive-index measurement system includes a light source, a first beam splitter, a first reflective mirror, a second reflective mirror, a second beam splitter, a container, a first polarizer, and a second polarizer. The first beam splitter splits light emitted from the light source into first and second light beams. The first light beam and the second light beam are reflected by the first reflective mirror and the second reflective mirror, respectively, incident into the second light beam splitter. The container is positioned along an optical pathway of first light beam. The container accommodates a lens and is filled with a medium having a refractive index substantially the same as a theoretical refractive index of the lens. The first polarizer is positioned along the optical pathway of the first light beam. The second polarizer is positioned along an optical pathway of the second light beam.

Abstract: A system for measuring optical resolution of a lens, is provided. The system includes a chart, an image sensor, a lens tray, and a processor. The chart has a frame pattern and a number of line pair patterns arranged in the frame pattern. The image sensor is center-aligned with the frame pattern of the chart and configured for capturing an image of the chart. The lens tray is movable relative to the chart for moving the lens to be center-aligned with the frame pattern of the chart and the image sensor based on the frame pattern in the image of the chart. The processor is configured for analyzing the image of the line pair patterns to obtain an optical resolution of the lens.

Abstract: An image pickup apparatus includes a housing, at least one lens, an image sensor and an optical compensation device. The lens is accommodated in the housing. The image sensor is accommodated in the housing. The optical compensation device is disposed between the lens and the image sensor. The optical compensation device includes a first transparent plate, a second transparent plate and at least one piezoelectric element. The second transparent plate is opposite to and movable relative to the first transparent plate. The piezoelectric element is sandwiched between the first transparent plate and the second transparent plate.

Abstract: A lens module includes: a lens barrel, a first lens, a second lens and a transparent adhesive layer. The first and second lenses are received in the lens barrel, and a clear aperture of the first lens is equal to and in alignment with that of the second lens. The transparent adhesive layer is applied between the first and second lenses in a manner such that the transparent adhesive layer spaces and joins the first and second lenses. A method for assembling the lens module is also provided.