Abstract: A low power discrete-time electronic circuit includes an amplifier, and a variable current supply. The variable current supply is electrically connected to the amplifier, and is utilized for supplying high current to the amplifier during a switching operation and supplying low current to the amplifier during a non-switching period.

Abstract: A communication system includes a time-to-digital converter, a digital low-pass filter, and a digital signal processor. The time-to-digital converter receives an in-phase signal of a frequency-shift keying signal and to generate a digital signal according to the in-phase signal. The digital low-pass filter receives the digital signal and to generate a filtered signal including N continuous words according to the digital signal. The digital signal processor divides up the N continuous words into N/2 word sets in order, wherein each of the N/2 word sets includes a first word and a second word, and if a difference between the first word and the second word meets a predetermined condition, the digital signal processor generates an output data and an output clock according to all the first words and the second words that have difference which meets the predetermined condition.

Abstract: A sliding hinge has two sliding assemblies mounted on a cover of an electronic device, two pivoting assemblies mounted on a base of the electronic device and two retractable connecting assemblies. An end of one retractable connecting assembly is connected to the end of the other retractable connecting assembly. Another end of each retractable connecting assembly is pivotally connected to a corresponding sliding assembly and a corresponding pivoting assembly. The two retractable connecting assemblies of the sliding hinge provide sufficient resilient force to push and hold the cover of the electronic device, especially a large-sized electronic device, at the closed or open position.

Abstract: An image stabilizer includes a stationary frame with four sidewalls, a moveable frame including four side panels, magnets, a plurality of fine pattern coils, and a resilient plate holding the moveable frame in the stationary frame. Each sidewall includes a receiving hole, a support portion received in the receiving hole, and a raised engagement portion extending from the support portion. The magnets are fixed on the side panels. The fine pattern coils are fixed in the receiving holes and aligned with the magnets and compensate for vibration and movement of the device to which it is affixed. The resilient plate is configured for returning the moveable frame to a resting position when a power supply is cut off.

Abstract: A barcode evaluation method for receiving an input image, performing an evaluation along a scanning direction upon the input image, and generating a barcode evaluation data includes: deriving at least one first luminance group in the input image according to a luminance threshold; documenting a plurality of characteristic values corresponding to the at least one luminance group, respectively; referring to a plurality of characteristic values of at least one specific first luminance group within the first luminance group to determine a distribution direction, and determining whether the specific first luminance group belongs to a barcode; and utilizing a processing element to generate the barcode evaluation data according to the input image, the distribution direction and the scanning direction.

Abstract: A low power discrete-time electronic circuit includes an amplifier, and a variable current supply. The variable current supply is electrically connected to the amplifier, and is utilized for supplying high current to the amplifier during a switching operation and supplying low current to the amplifier during a non-switching period.

Abstract: An image stabilizer includes a stationary frame with four sidewalls, a moveable frame including four side panels, magnets, a plurality of fine pattern coils, and a resilient plate holding the moveable frame in the stationary frame. Each sidewall includes a receiving hole, a support portion received in the receiving hole, and a raised engagement portion extending from the support portion. The magnets are fixed on the side panels. The fine pattern coils are fixed in the receiving holes and aligned with the magnets and compensate for vibration and movement of the device to which it is affixed. The resilient plate is configured for returning the moveable frame to a resting position when a power supply is cut off.

Abstract: An exemplary piezoelectric actuator includes a fixed barrel, a movable barrel in the fixed barrel, a piezoelectric driving module, a flexible circuit board on the fixed barrel, a bracing sheet, and a preloading module. The movable barrel receives a lens module. The driving module drives the movable barrel to move relative to the fixed barrel along an optical axis of the lens module. The driving module includes a piezoelectric member on the fixed barrel, and a friction member on the movable barrel and opposite to the friction member. The flexible circuit board is electrically connected with the piezoelectric member. The sheet is attached around the flexible circuit board. The preloading module is between the fixed barrel and the movable barrel. The preloading module is opposite to the piezoelectric driving module for exerting a pressure on the movable barrel, thereby making the friction member resist against the piezoelectric member.

Abstract: A processing method of detecting a barcode from an original image includes: an edge processing process, a barcode positioning process and a projection modification process. The edge processing process is for converting an original image into a binarized input image. The barcode positioning process is for deriving position information of the barcode, and includes: deriving a plurality of luminance groups according to luminance values of all pixels of the input image; utilizing a determining circuit to determine whether each luminance group complies with an identification bar and to derive position information of the identification bars; and deriving position information of the barcode according to the position information of the identification bars. The projection modification process converts the original image into a modified image according to the position information of the barcode.

Abstract: An exemplary piezoelectric actuator includes a fixed barrel, a movable barrel in the fixed barrel, a piezoelectric driving module, a flexible circuit board on the fixed barrel, a bracing sheet, and a preloading module. The movable barrel receives a lens module. The driving module drives the movable barrel to move relative to the fixed barrel along an optical axis of the lens module. The driving module includes a piezoelectric member on the fixed barrel, and a friction member on the movable barrel and opposite to the friction member. The flexible circuit board is electrically connected with the piezoelectric member. The sheet is attached around the flexible circuit board. The preloading module is between the fixed barrel and the movable barrel. The preloading module is opposite to the piezoelectric driving module for exerting a pressure on the movable barrel, thereby making the friction member resist against the piezoelectric member.

Abstract: A printing control method for line light source detection, for controlling at least one printing parameter of a printing apparatus. The printing control method includes: utilizing a line light source to scan a barcode to derive a barcode profile corresponding to the barcode; deriving a grading information corresponding to the barcode according to the barcode profile and a threshold, and deriving a modified barcode profile according to the grading information and the barcode profile; and adjusting the at least one printing parameter of the printing apparatus according to the modified barcode profile.

Abstract: A compensation method devoid of operating voltage calibration, establishing fundamental linearity calibration table and inputting, and detecting the actual operating voltage is disclosed. The compensation method comprises the steps of: a) turning off a switch in a touch sensor system; b) initializing the touch sensor system and measuring a reference frequency outputted from a oscillator in the touch sensor system; c) turning on the switch and measuring a first frequency outputted from the oscillator; and d) deducting the first frequency from the reference frequency so as to obtain a frequency difference; and e) comparing the difference with a predetermined value, and judging based upon the difference if the touch sensor system is touched by a foreign object.

Abstract: A barcode evaluation method for receiving an input image, performing an evaluation along a scanning direction upon the input image, and generating a barcode evaluation data includes: deriving at least one first luminance group in the input image according to a luminance threshold; documenting a plurality of characteristic values corresponding to the at least one luminance group, respectively; referring to a plurality of characteristic values of at least one specific first luminance group within the first luminance group to determine a distribution direction, and determining whether the specific first luminance group belongs to a barcode; and utilizing a processing element to generate the barcode evaluation data according to the input image, the distribution direction and the scanning direction.

Abstract: A high resolution image producing method includes the following steps. Firstly, an object is continuously shot to produce plural shot images. Then, plural original images are selected from the plural shot images. Then, each of the original images is segmented into plural blocks, and the motion vector of each block of each original image is calculated. Then, a first original image is scaled-up to acquire a first basis image, and a second basis image is acquired by copying the first basis image. A phase error is calculated according to the first basis image, and an interpolating operation is performed on the second basis image to obtain a high resolution image.

Abstract: An image processing method for deriving text characteristic images from an input image includes: performing a plurality of edge detecting processes upon the input image to generate a plurality of edge images, respectively, and deriving a first text characteristic image according to the edge images. The image detecting processes include: performing a first edge detecting process upon the input image to derive a first edge image according to a first upper threshold and a first lower threshold, and performing a second edge detecting process upon the input image to derive a second edge image according to a second upper threshold and a second lower threshold.

Abstract: A redeye image detection method for detecting at least one redeye image in an input image includes: deriving an edge detection result by performing an edge detection process to detect an edge characteristic of the input image; deriving a red pixel detection result by performing a red pixel detection process to detect red pixels in the input image, and utilizing a determining circuit to derive a preliminary detection result according to the edge detection result and the red pixel detection result, and derive the redeye image according to the preliminary detection result.

Abstract: A method for determining a luminance threshold value of a video region includes: performing a plurality of luminance threshold value generation operations on the video region included in a plurality of video frames, respectively. Each luminance threshold value generation operation includes: generating a total luminance value according to a plurality of luminance values of a plurality of pixels in the video region; subtracting a current luminance threshold value temporarily stored in a register from the total luminance value to generate a luminance error value; performing a specific filtering operation on the luminance error value to generate a filtered luminous error value; accumulating the filtered luminance error value to generate an accumulation result; and updating the current luminance value in the register according to the accumulation result and a luminance approximative value.

Abstract: A phone charging stand includes a casing and a cover. The casing has a socket on one surface to hold a phone, and a first universal serial bus (USB) connecting port on another surface of the casing is used to connect a wireless dongle having a USB interface. The cover is pivotally connected to one end of the casing. The cover can be rotated toward the socket to be attached to the casing to hold the phone. The cover can also be rotated toward the another surface of the casing to support the charging stand.

Abstract: A micro-electromechanical device includes a substrate, a first patterned conductive layer, a second patterned conductive layer and a first patterned blocking layer. The first patterned conductive layer is disposed on the substrate. The second patterned conductive layer is disposed on the first patterned conductive layer. The first patterned blocking layer is connected with the first patterned conductive layer and the second patterned conductive layer. In addition, a method of manufacturing the micro-electromechanical device is also disclosed.

Abstract: The present invention provides an intravenous drip monitoring method and related intravenous drip monitoring system. The intravenous drip monitoring method comprises: providing a background color as a background of a flow regulating device of an intravenous drip; obtaining a plurality of frames in the flow regulating device of the intravenous drip in accordance of a frame rate; performing an image processing operation on the plurality of frames to obtain brightness variations generated by motion drips in the flow regulating device; utilizing the brightness variations generated by the motion drips in the flow regulating device to detect a dropping frequency of the intravenous drip in a first detecting area of the flow regulating device; and utilizing the brightness variations generated by the motion drips in the flow regulating device to detect a liquid horizontal height of the flow regulating device in a second detecting area of the flow regulating device.