Abstract: A method of producing an image is disclosed. At least one symbol is received. A first image with at least one light spot is, optionally, captured by an image capturing apparatus. The performing order of receiving the symbol and capturing the first image may be reversed. The first image is duplicated to provide a plurality of duplicated first images, and the duplicated first images are shifted according to the symbol to obtain a plurality of shifted first images. The brightness values of corresponding pixels of the shifted first images are computed to produce a second image with a light track that traces the symbol.

Abstract: A method of producing an image is disclosed. At least one symbol is received. The at least one symbol is, optionally, displayed on a first image with at least one light spot. Subsequently, a position of an incident light projected on an image sensor of an image capturing device is varied during an exposure period according to the at least one symbol. Accordingly, a second image with a light track that traces the at least one symbol is captured.

Abstract: The present invention is directed to a method of calibrating sensitivity gain. In a preview mode, an imaging device is calibrated by a standard light source, therefore obtaining standard sensitivity gain of the preview mode. In a capture mode, the imaging device is calibrated by the standard light source, therefore obtaining standard sensitivity gain of the capture mode. A gain ratio of the standard sensitivity gain of the capture mode to the standard sensitivity gain of the preview mode is determined, and is then used to deduce the exposure parameters of the capture mode according to the exposure parameters of the preview mode.

Abstract: A method of calibrating an autofocus (AF) lighting device of a camera is disclosed. A reference image is captured with light projected from the AF lighting device, and a relative position of a central coordinate of the projected light with respect to a central coordinate of the reference image is stored. When operating the camera, the AF lighting device is activated to emit light after a shutter button of the camera is pressed halfway down, and a preview picture is displayed on a panel of the camera. A central position of the emitted light is then transposed toward a center of the panel according to the stored relative position.

Abstract: In an anti-shake circuit for an imaging device, a differential circuit receives an analog sensing signal and a target signal and then generates a difference signal. An analog mathematical circuit performs at least one mathematical operation on the difference signal, resulting in generation of at least one mathematical output signal. A driver receives the at least one mathematical output signal, and, accordingly, generates a driving signal and controls an actuator in order to correct the shaking movement.

Abstract: Embodiments of the present invention disclose a lens module and its temperature-compensating method. The lens module primarily includes several lenses and a compensating lens. The several lenses comprise two plastic lenses and the ratio of the focal length of one plastic lens to the other is predetermined. The temperature-compensating method employs the compensating lens to shift alone an optical axis for compensation of the focal length departure. In one embodiment, the ratio of the two focal lengths is more than or equal to 0.5 and less than or equal to 2.

Abstract: The present invention is directed to a flashing control method for a digital camera. Indices respectively corresponding to sensitivity values are firstly determined. Subsequently, main-flash intensities are respectively obtained with respect to the sensitivity values such that their target brightness values are substantially the same after exposure, thereby constructing an energy table. Further, a predetermined preflash is fired to obtain a corresponding preflash brightness value with respect to each distinct distance. Main-flash indices are then respectively obtained according to maximum main-flash intensity and the energy table with respect to the distinct distances such that the target brightness values are substantially the same after exposure, thereby constructing a preflash table. During picture capturing, the main-flash intensity is obtained according to the preflash brightness value and the preflash table.

Abstract: A method of operating a camera is disclosed. A shutter button is pressed to trigger capturing an image. Subsequently, a display-related signal is prevented from transferring to a display panel at least for a duration during which image data are being read out of an image sensor.

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 method of dynamically changing a parameter of a frame is disclosed. An input frame is determined as a special scene or a general scene. A subsequent frame is predicted by changing the parameter of the subsequent frame according to a special-scene operation when the input frame is the special scene, and by changing the parameter of the subsequent frame according to a general-scene operation when the input frame is not the special scene. The predicted frame is determined whether to be a special scene. Accordingly, the parameter of the input frame is changed according to the special-scene operation when both the input frame and the predicted frame are the special scenes; the parameter of the input frame is changed according to the general-scene operation when both the input frame and the predicted frame are not the special scenes; and the parameter of the input frame is maintained without change when only one of the input frame and the predicted frame is the special scene.

Abstract: A lens device is disclosed. The lens device includes a fixed lens barrel, a rotating lens barrel, and a sensor. The rotating lens barrel is sleeved within the fixed lens barrel. The sensor is disposed within the fixed lens barrel for detecting the position of the rotating lens barrel.

Abstract: A cover structure of an electronic apparatus is provided. The cover structure comprises a cover and a plate spring. The cover has a pivot having a cam at one end, wherein two ends of the penetrate portions of a case on the electronic apparatus respectively. The plate spring is located inside the case and contacts the cam. When the cover is forced to rotate, the cam drives the cover to rotate and open/close automatically by the elastic force of the plate spring.

Abstract: A method of calibrating an autofocus (AF) lighting device of a camera is disclosed. A reference image is captured with light projected from the AF lighting device, and a relative position of a central coordinate of the projected light with respect to a central coordinate of the reference image is stored. When operating the camera, the AF lighting device is activated to emit light after a shutter button of the camera is pressed halfway down, and a preview picture is displayed on a panel of the camera. A central position of the emitted light is then transposed toward a center of the panel according to the stored relative position.

Abstract: An auto focus device of a mobile communication apparatus is disclosed. The auto focus device comprises a voice coil motor, a first driving circuit and a second driving circuit. The voice coil motor comprises a floating movable device and a lens in the floating movable device. The first driving circuit drives the voice coil motor so that the floating movable device moves inside the voice coil motor to zoom in/out and focus the lens on image sensors when the camera function is activated. The second driving circuit drives the voice coil motor to fix the floating movable device inside the voice coil motor and cover the image sensors.

Abstract: The present invention is directed to a flashing control method for a digital camera. Indices respectively corresponding to sensitivity values are firstly determined. Subsequently, main-flash intensities are respectively obtained with respect to the sensitivity values such that their target brightness values are substantially the same after exposure, thereby constructing an energy table. Further, a predetermined preflash is fired to obtain a corresponding preflash brightness value with respect to each distinct distance. Main-flash indices are then respectively obtained according to maximum main-flash intensity and the energy table with respect to the distinct distances such that the target brightness values are substantially the same after exposure, thereby constructing a preflash table. During picture capturing, the main-flash intensity is obtained according to the preflash brightness value and the preflash table.

Abstract: An imaging apparatus and a graphical user interface are disclosed. The imaging apparatus includes a housing with optics and a display panel. A function switch is disposed on the housing, and configured to switch between an operating mode and a setting mode. A pointing device with a two-stage switch is disposed on the housing. Specifically, in the setting mode, the pointing device is configured to trace among a number of settings on the display panel, and the two-stage switch is configured to be pressed to confirm the setting. In the operating mode, the two-stage switch is configured to be pressed to perform an operation according to the setting confirmed in the setting mode.

Abstract: An ergonomic photographic device includes a camera and a shell. The shell has a front portion and a back portion, with the camera being disposed in the front portion. The back portion has a leaning portion which is capable of accommodating leaning of the palm of a user. When the arm and wrist of the user are kept at a neutral angle, the camera is kept at a horizontal angle.

Abstract: A method of automatically calibrating a visual parameter, such as luminance or contrast, for an imaging device is disclosed. A ratio of visual parameter difference to lens position difference between two predetermined lens positions is pre-determined for a predetermined focal length. A target visual parameter is then obtained according to the pre-determined ratio, a current visual parameter and lens position difference between a current lens position and a target lens position. Finally, the current visual parameter is updated by the target visual parameter in an automatic mode.

Abstract: An image-projecting and image-capturing system primarily includes a projecting sub-system for projecting an image and a capturing sub-system for capturing an image. The capturing sub-system primarily comprises a zoom lens that consists of many lens groups moving along an optical axis. When capturing an image, the projecting sub-system is arranged at a location out of the optical axis; when projecting an image, the projecting sub-system is moved to aim the optical axis.

Abstract: In an anti-shake circuit for an imaging device, a differential circuit receives an analog sensing signal and a target signal and then generates a difference signal. An analog mathematical circuit performs at least one mathematical operation on the difference signal, resulting in generation of at least one mathematical output signal. A driver receives the at least one mathematical output signal, and, accordingly, generates a driving signal and controls an actuator in order to correct the shaking movement.