Abstract: A discharge circuit for an electronic device includes an energy storage element, a plurality of switches and a plurality of discharge paths coupled to the energy storage element and the switches. If a system power of the electronic device is turned off, a first switch of the switches conducts a first discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path. In response that a voltage of the energy storage element drops to a first threshold, a second switch of the switches conducts a second discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path and the second discharge path.

Abstract: A scanning device includes a visible light source, an infrared light source, a visible light sensor and an infrared light sensor. The visible light source provides visible light to a scan section of an original. The original reflects the visible light to generate reflected light. The infrared light source provides infrared light to the scan section. The infrared light penetrates through the original to generate penetrating light. The visible light sensor receives the reflected light at a first scan position and generates a visible light image signal representative of a visible light image of the scan section. The infrared light sensor receives the penetrating light at a second scan position and generates an infrared light image signal representative of an infrared light image of the scan section. A relative positional relationship between the first and second scan positions is fixed.

Abstract: A feeding device is disclosed, which comprises a paper passage, a sheet-separating roller, a friction institution, and a stopper. The sheet-separating roller is disposed in the paper passage. The friction institution is disposed in the paper passage opposite to the sheet-separating roller. The stopper is disposed in the upstream side of the sheet-separating roller. The stopper includes an axle, a short arm, and a long arm. The short arm connects to the axle, and the axle acts as a fulcrum. The long arm and the short arm disposed to the axle coaxially. A threshold of the force for pushing the short arm is larger than a threshold of the force for pushing the long arm.

Abstract: A printing device for providing multiple documents of one type includes a data receiving portion for receiving an image data, a processor, and a printing module. The processor is used to process the image data to generate a first printing information and a second printing information. The printing module is used to print a first document and a second document according to the first and second printing information, respectively. The first printing information includes the image data and a first identifying information, and the second printing information includes the image data and a second identifying information different from the first identifying information. The first identifying information is composed of a first set of halftone pattern, a first set of lines or a combining information thereof. The second identifying information is composed of a second set of halftone pattern, a second set of lines or a combining information thereof.

Abstract: A fusing device comprising a pressure roller, a heating roller, a pressure applying element and a releasing element is provided. The pressure roller is installed in a frame. The heating roller opposite to the pressure roller is installed in a housing. The pressure applying element connects the pressure roller and the housing at a first side and applies a force on the pressure roller and the heating roller. The releasing element releases and locks the pressure roller and the housing at a second side. A printer from which jammed sheet may be easily removed is provided. The printer comprises a frame, a housing, an image forming device, and the fusing device. The first and second sides are parallel to axial direction of the pressure roller and the heating roller. The image forming device forms an image on a medium. The fusing device fuses the image on the medium.

Abstract: A method for naming an image file comprises the steps of: searching for a keyword string in initial scan image data; identifying an encoded string after the keyword string; and generating an initial file corresponding to the initial scan image data. If the keyword string is found, a file name of the initial file is automatically set up according to the encoded string.

Abstract: An image reproducing method for a digital processing machine is provided. The image reproducing method includes the following steps: scanning an original to generate image data; analyzing the image data to generate an analysis result; designating M proper user setting items among N user setting items according to the analysis result, wherein N and M are positive integers, and M is less than N; providing only the M proper user setting items on a human-machine interface; and outputting a copy of the original according to a user input received through the human-machine interface. In addition, a digital processing machine providing an intelligent human-machine interface is also provided.

Abstract: A sheet-fed scanner comprising a scan channel, a feeding unit, a transmitting unit, a background sheet, a background light source and a scan module is provided. The feeding unit is disposed at an inlet of the scan channel for feeding a document. The transmitting unit transmits the document to pass through the scan channel. The background sheet is disposed on a side of the scan channel, and has a first surface and a second surface. The first surface faces towards the scan channel. The background light source faces towards the second surface to provide an intermittent light signal to the background sheet, so that the background sheet correspondingly displays an intermittent variation background image on the first surface. The scan module is disposed on another side of the scan channel, and captures a document image of a document and the intermittent variation background image to generate scan data accordingly.

Abstract: A transport mechanism for a peripheral device and an operating method including the same are provided. The transport mechanism includes a tray, at least a transport roller, a detector, a trigger component and a processor. The tray includes an opening extending through the tray. The transport roller is rotatably installed in the opening and protruded from the tray to transport a flexible object to move along a transport path. The detector near the tray has a detecting area. The trigger component is located in the opening and spaced apart from the flexible object on the transport path. The flexible object deviated from the transport path presses the trigger component to enter or leave the detecting area and triggers the detector to transmit an abnormal detecting signal. The processor receives the abnormal detecting signal to stop the transport roller.

Abstract: An adjustable tray includes a first board, a second board and an adjustment component. The second board is pivoted on the first board, and the second board has at least one first position section and at least one second position section. The adjustment component includes a main part and at least one abutted part connected to each other. A first distance is between the first position section and the first board. A second distance is between the second position section and the first board. The first distance is different from the second distance. The main part is movably disposed on the first board for positioning the abutted part at the first position section or the second position section to pivot the second board with a first angle or a second angle between the first board and the second board, and the first angle is different from the second angle.

Abstract: The present invention discloses a stacking tray device to be used for a business machine. The stacking tray device comprises a tray, a guide plate and a stopper, wherein paper is placed on the tray, the guide plate moves relative to the tray and restricts the size of the paper, and the stopper sets the position where the guide plate stops when the guide plate is pushed from the center towards the outside. When the stopper is in a lock position, the guide plate stops at a first position corresponding to a first standard paper size; when the stopper is in an unlock position, the guide plate stops at a second position corresponding to an oversized paper size.

Abstract: A peripheral includes a scanning module and a control processing module. In a restoration mode, the scanning module performs a one-time scan operation on a punched document to obtain a visible light image and an infrared image. The infrared image includes an infrared hole image corresponding to one hole or multiple holes of the punched document. The visible light image includes a visible light hole image corresponding to one hole or multiple holes of the punched document. In the restoration mode, the control processing module, electrically connected to the scanning module, determines the infrared hole image according to the infrared image, determines the visible light hole image according to the infrared hole image and processes the visible light image into a final image according to the visible light hole image, wherein the final image does not contain the visible light hole image.

Abstract: The present disclosure illustrates an image forming apparatus with structural connection function. The image forming apparatus can be applied to a business machine, to solve the problem of bad quality of image caused by shaking of a developing module. The image forming apparatus is characterized in that the groove with the inclined angle is equal to the pressure angle of the gear to constrain the operation direction of the developing module, so as to prevent the developing module from shaking. The present disclosure just modifies the design of the guiding channel to constrain the developing module, so the cost of components can be reduced efficiently.

Abstract: A multi-mode scanner comprises a first body, a second body and a scanning module. The first body connected to the second body has connected first and second sides. A passageway accommodating a first portion of a bent document is formed between the first and second bodies. A second portion of the bent document is connected to the first portion of the bent document and supported by a second side of the first body. The first and second bodies are configured such that a weight of the bent document makes the second portion be in flat surface contact with the second side, or makes the first portion be in flat surface contact with first side. The scanning module disposed in one or both of the first and second bodies performs an image scan operation on the first portion of the bent document in the passageway to obtain an image signal.

Abstract: An image sensing device includes N red light sensing units, N green light sensing units, N blue light sensing units and a control circuit. The control circuit accumulates an exposure capacity Qi generated by the ith red light sensing unit, green light sensing unit, and blue light sensing unit in an exposure time Ti and an exposure capacity Qi+1 generated by the (i+1)th red light sensing unit, green light sensing unit, and blue light sensing unit in next exposure time Ti+1 until an exposure capacity QN generated in the TNth exposure time is accumulated, wherein i is an integer ranging from 1 to N. The exposure capacities Qi to QN are sequentially stored in a register and outputted from the control circuit, so that the image of each scan line can be sequentially transferred to an analog signal with the sum of the exposure capacities Qi to QN.

Abstract: A duplex printing method performed by a printing apparatus comprises the steps of feeding in a first sheet; transporting the first sheet along a sheet-circulating path; forming an image on a front side of the first sheet when the first sheet is transported past an image forming system of the printing apparatus at a first time; feeding in a second sheet; detecting a sheet-feeding error; inhibiting an entry of the second sheet into the sheet-circulating path; forming an image on a back side of the first sheet when the first sheet is transported past the image forming system at a second time; and ejecting the first sheet.

Abstract: A dual-slope light guide includes a first surface, a second surface and a curved surface. The first surface has first reflecting structures. The second surface, connected to the first surface, has second reflecting structures. An included angle between the first surface and the second surface is unequal to 180 degrees. The curved surface connects the first surface to the second surface. The first surface, the second surface and the curved surface extend from a first end of the light guide to a second end of the light guide. A light beam incident to the first end of the light guide is reflected and converted by the first reflecting structure and the second reflecting structure into linear light emitted from the curved surface. A light source module and an optical assembly for a scanner are also disclosed.