Abstract: This invention provides compact photographic and projection modules and electronic systems having the photographic and projection modules, which not only can project image data but also can capture image with good image quality high zoom ratio. Additionally, the photographic and projection modules are reliable and able to be made with low cost.

Abstract: The present invention is directed to an exposure parameter compensation method and an imaging device. A capture-mode image capturing step is performed to obtain a first image and a second image according to a first exposure time and a second exposure time respectively based on a first light sensitivity and a predetermined time. The first image and the second image are operated on to result in a difference image. The first light sensitivity is replaced with a second light sensitivity, which is then recorded.

Abstract: The present invention is directed to a light sensitivity calibration method and an imaging device. An exposure step is performed to obtain a light sensitivity according to a predetermined time. A time adjustment step is performed to adjust the predetermined time according to the light sensitivity, thereby obtaining an adjusted time. The predetermined time is replaced with the adjusted time and the exposure and time adjustment steps are repeatedly performed, until the adjusted time converges within a predetermined range.

Abstract: An image capturing module and an electronic device having the same are disclosed. The image capturing module includes a swivel apparatus, a image sensor or photoelectric converter, and a lens. The swivel apparatus includes a carrying stage and a swivel mount. The image sensor or photoelectric converter is disposed on the carrying stage. The lens is connected to the swivel mount. The lens and the image sensor or photoelectric converter are relatively rotated by rotation of the swivel mount.

Abstract: A signal transmission device is provided. The signal transmission device comprises a linked unit, a switch button, a data connector and a lock fastener. The linked unit includes a first shaft, a second shaft, a first elastomer and a second elastomer. The switch button is attached/disposed on the linked unit. The data connector rotates and expands according to the first shaft and the first elastomer. The lock fastener rotates and moves according to the second shaft and the second elastomer.

Abstract: The present invention is directed to an image compensation method and system. A first frame of a plurality of first pixels is provided. A compensation step is performed on the first pixels to generate a second frame of a plurality of second pixels, wherein any two of the adjacent second pixels have a same distance therebetween. A frame resizing step is performed before and/or after the compensation step.

Abstract: Embodiments of this invention provide a flash module and an image-capturing apparatus having the flash module. The flash module includes a flash, a base, a solenoid, a linkage bar, a hook, a first elastic member, and a second elastic member. When necessary, the elements of the flash module perform a process to automatically move the flash to an open position.

Abstract: A lens device includes a fixed lens, a rotatable lens barrel, and a base. The fixed lens includes at least one cam groove which has an opening portion. The rotatable lens barrel is sleeved within the fixed lens. The rotatable lens barrel includes at least one cam follower. The cam follower enters the cam groove through the opening portion and moves along the cam groove. The base is assembled to the fixed lens. The base includes at least one protruding structure. The protruding structure extends to the cam groove through the opening portion.

Abstract: In a method and system of detecting abnormality in an imaging device, multiple digital data are received in sequence from the imaging device via at least one data output pin. The multiple digital data correspond respectively to multiple pixel data. Subsequently, the multiple digital data for a specific pin are compared to determine whether they are, or how many of them are, the same. Accordingly, the specific pin is determined as abnormal when the number of the same digital data exceeds a predetermined value.

Abstract: A signal transmission device is provided. The signal transmission device comprises a linked unit, a switch button, a data connector and a lock fastener. The linked unit includes a first shaft, a second shaft, a first elastomer and a second elastomer. The switch button is attached/disposed on the linked unit. The data connector rotates and expands according to the first shaft and the first elastomer. The lock fastener rotates and moves according to the second shaft and the second elastomer.

Abstract: A signal transmission module is provided. The signal transmission module includes an electrical connector, a linked unit, a data connector, a sliding block, a link and a lock block. The data connector rotates and expands according to a first shaft and a first elastomer of the linked unit, and electrically connects to the electrical connector. During retraction of the data connector, the data connector pushes the sliding block. Then the sliding block moves against the lock block so that the lock block rotates. The lock block rotates to lock and secure the data connector by the lock piece, while a cam of the link moves to a secure location along an incline plane of a track of the sliding block.

Abstract: A signal transmission device is provided. The signal transmission device comprises a linked unit, a data connector, a sliding block, a link and a lock block. The linked unit includes a first shaft, a second shaft, a third shaft, a first elastomer and a second elastomer. The data connector rotates and expands according to the first shaft and the first elastomer. During the retraction of the data connector, the data connector pushes the sliding block. Then the sliding block moves against the lock block so that the lock block rotates according to the second shaft. The lock block rotates to lock and secure the data connector by the lock piece, while a cam of the link moves to a secure location along an incline plane of a track of the sliding block.

Abstract: A lens module is disclosed. The lens module includes a lead screw, a nut member, and a lens frame. The nut member is screw-jointed with the lead screw. The nut member is interlocked to the lens frame.

Abstract: A signal transmission device is provided. The signal transmission device comprises a linked unit, a switch button, a data connector and a cover. The linked unit includes a first shaft, a second shaft, a first elastomer and a second elastomer. The switch button is attached/disposed on the linked unit. The data connector rotates and expands according to the first shaft and the first elastomer. The cover has a storage device to accommodate and cover the data connector. The cover rotates and expands according to the second shaft and the second elastomer.

Abstract: An optical lens device is disclosed. The optical lens device includes an optical lens, a shading film, and a sensor. The shading film is disposed within the optical lens, and the shading film has an opening. The sensor is disposed at an imaging position. Wherein at least one light beam which enters the optical lens will access to the sensor, or will be blocked by the shading film.

Abstract: The present invention is directed to an autofocus method and an image capturing system. A focusing lens is used to focus within a first moving interval in a zoom mode, and a plurality of first focusing positions and a plurality of corresponding first focusing data are recorded. An absolute maximum is determined among the first focusing data. A second moving interval is determined if the absolute maximum does not exist among the first focusing data, and the focusing lens is used to focus within the second moving interval to obtain a plurality of second focusing data. The absolute maximum is determined according to the second focusing data, wherein a second focusing position corresponding to the absolute maximum is an autofocus position.

Abstract: An image stabilization device is disclosed. The image stabilization device includes a first linkage assembly and a first flexible element. The first linkage assembly is disposed on a frame. The first linkage assembly includes a first linkage which is disposed in a first direction. The first flexible element is capable of pressing an optical element to the first linkage so as to make the optical element move along the first direction.

Abstract: A zoom lens primarily includes, in order from an object side to an image-forming side, a first lens group having negative refractive power; a second lens group having positive refractive power and at least consisting of a first lens and a second lens; and a third lens group having positive refractive power. The refractive index of the first lens (Nd21), the refractive index of the second lens (Nd22), the total length of the first lens group, the second lens group, and the third lens group (TTL), and the shortest focal length of the zoom lens (fw) satisfy the following conditions: Nd21?Nd22>0.1 and TTL/fw?1.3.

Abstract: A circuit for hot-swapping a memory card in an electronic device is disclosed. A power-reset unit has a first node electrically coupled to a power supply, and a second node electrically coupled to a power pin of the memory card. The power-reset unit is configured to generate a rising voltage at the second node without rebooting the electronic device when the memory card is hot-plugged into the electronic device.