Chih-Min
Chih-Min Chang, Xiushui Township TW
Patent application number | Description | Published |
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20140020519 | RATCHET WRENCH - A ratchet wrench includes a wrench body and a ratchet rotatably mounted in a ratchet hole of the wrench body and provided with one end protruding out of the ratchet hole for connection of a driving wheel. Thus, a user can rotate the driving wheel to force the rotation of the ratchet, such that a screw nut accommodated in the ratchet can be secured or loosened quickly and conveniently. | 01-23-2014 |
20140053690 | DETACHABLE RATCHET WRENCH - A detachable ratchet wrench spanner made accordance with the present invention includes a spanner body, a ratchet gear, a retaining collar, and a locking device. The spanner body includes a first surface, a second surface, and a through hole extending from the first surface to the second surface, and an annual recess defined within an inner wall of the through hole. A ratchet gear is rotationally disposed within the through hole. And a retaining collar is attached to a first opening of the through hole located on the first surface. The retaining collar includes a blocking ring and an anchor and a retainer extending from the blocking ring, wherein the blocking ring is located within the through hole, and the anchor is disposed within the annual recess of the spanner body, and the retainer is engaged to the spanner body with a locking device. | 02-27-2014 |
Chih-Min Chang, Hua Tan Hsian TW
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20090049957 | RATCHET WRENCH - A ratchet wrench includes a handle having two spaced pivoting walls, two through holes respectively formed through the pivoting walls, and an inner threaded section provided at one of the through holes with a length shorter than the total length of the through hole. A ratchet head has a pivoting portion disposed between the pivoting walls of the handle and a pivoting hole through two opposite sides of the pivoting portion. A screw runs through the through holes of the handle and the pivoting hole of the ratchet head and is threaded with the inner threaded section of the handle. An urging member is disposed in an accommodation chamber of the ratchet head and sleeved onto the screw with two ends thereof stopped against a periphery wall of the accommodation chamber of the ratchet head and the pivoting wall of the handle. | 02-26-2009 |
Chih-Min Chang, New Taipei City TW
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20130314912 | LED LIGHT BULB WITH LARGE-ANGLE LIGHT EMISSION - Disclosed is an LED light bulb with large-angle light emission, which includes a reflection structure, a cover, a circuit board, a heat dissipater, and a power connector. The reflection structure is detachably mounted to a top of the cover. The heat dissipater has a top end coupled to a bottom end of the cover. The circuit board includes at least one LED element mounted thereon. The circuit board is attached to the heat dissipater in such a way that the circuit board is housed in the cover to allow the at least one LED element to project light toward the cover and the reflection structure. The power connector is mounted to a bottom end of the heat dissipater. | 11-28-2013 |
20130314947 | LED LIGHT BULB CONCURRENTLY SERVING AS NIGHT LIGHT - Disclosed is an LED light bulb that also serves a night light, including a reflection structure, a cover, a circuit board, a heat dissipater, a power connector, and a light guide bar. The heat dissipater is mounted between and coupled with a cover and a power connector, the reflection structure is mounted to a top of the cover, the light guide bar has one end connected to the reflection structure, the multiple LED elements mounted on the circuit board which is attached to the heat dissipater, and the LED elements emits light that gets incident to the light guide bar. | 11-28-2013 |
Chih-Min Chang, Changhua Hsien TW
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20100242685 | Ratchet wrench capable of preventing disengagement of nut - A ratchet wrench includes a wrench body having a through hole, a driving member rotatably mounted in the through hole and having a center hole for engagement with a nut, and a block ring capped on the driving member and having a stop flange to retain the nut in the center hole such that the nut is unable to drop out of the center hole of the driving member when the nut is tightened or loosened by the ratchet wrench. | 09-30-2010 |
20110072940 | Wrench having detachable wrench head - A wrench includes a handle having an end surface defining a socket and an outer periphery defining a hole in communication with the socket, a wrench head having a body portion inserted in the socket of the handle, and a recess aligned with the hole of the handle, and a fastener detachably fastened to the hole of the handle and having a distal end inserted in the recess of the wrench head. Accordingly, as long as the fastener is removed from the hole of the handle, the wrench head can be drawn out from the socket of the handle for maintenance or replacement. | 03-31-2011 |
20110232424 | Wrench for different-sized nuts - A wrench for different-sized nuts includes a handle having an opening at a first end thereof and a slot communicated with the opening, an adjustment screw threadedly inserted into the handle and passing through the slot for adjusting a gap of the slot, a first working head rotatably connected with the first end of the handle in such a way that one of first and second mounting portions of the first working head is selectively positionable in the opening of the first end of the handle, and different-sized first and second ratchet sockets rotatably and respectively mounted with the first and second mounting portions. By means of the adjustment screw, the rotationability of the first working head relative to the first end of the handle can be adjusted. | 09-29-2011 |
Chih-Min Chang, Maxing Village TW
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20130139656 | RATCHET WRENCH CAPABLE OF PREVENTING DISENGAGEMENT OF NUT - A ratchet wrench includes a wrench body having a through hole, a driving member rotatably mounted in the through hole and having a center hole for engagement with a nut, a pawl, a positioning device, a magnetic ring mounted on a top side of the driving member, and a block ring made of non-magnetic material capped on the driving member and having a stop flange in contact with a top side of the magnetic ring. The magnetic ring is used to retain the nut in the center hole such that the nut is unable to drop out of the center hole of the driving member when the nut is tightened or loosened by the ratchet wrench. | 06-06-2013 |
Chih-Min Chuang, Longtan Township TW
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20130234606 | Method and System for Adjusting Power Supply and Display Screen Brightness of Electronic Device with Thin-Film Solar Panel - A method and system for adjusting power supply and display screen brightness of an electronic device with a thin-film solar panel are introduced. The method includes configuring the electronic device with a first threshold level and a second threshold level, wherein the first threshold level and the second threshold level are voltage levels or current levels; attaching the thin-film solar panel to a casing of the electronic device for enabling the electronic device to convert an external light into a transformed voltage or current; and determining whether the transformed voltage or current lies between the first threshold level and the second threshold level to decide whether to allow the display screen to operate at an existing brightness level thereof continuously. The method and system enable the electronic device to receive the external light for supplementing power supple and sense the external light for adjusting power level. | 09-12-2013 |
Chih-Min Hsu, Yilan City TW
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20120293364 | POSITIONING DEVICE AND POSITIONING METHOD THEREOF - A positioning device and a positioning method thereof are provided. The positioning device can cooperate with a first satellite group and a second satellite group, and it comprises a storage, a receiver and a processor. The receiver is configured to receive a first satellite group signal from the first satellite group and a second satellite group signal from the second satellite group. The processor is electrically connected to the storage and the receiver, and configured to calculate a positioning offset value according to one of the first satellite group signal and the second satellite group signal. In addition, the processor is configured to calculate a positioning result according to the second satellite group signal and the positioning offset, and store the positioning result in the storage. | 11-22-2012 |
20140152500 | SATELLITE POSITIONING METHOD, SATELLITE PESUDORANGE CALCULATION APPARATUS AND SATELLITE PESUDORANGE CALCULATION METHOD - A satellite positioning method, a satellite pesudorange calculation apparatus and a satellite pesudorange calculation method thereof are provided. The satellite pesudorange calculation apparatus is used for calculating a pesudorange between a satellite and a satellite positioning receiving device, wherein the pesudorange includes an integer code value and a decimal code value. The satellite pesudorange calculation apparatus comprises a receiver and a processor electrically connected with the receiver. The receiver is configured to receive a code phase from a satellite signal acquisition unit, and the processor is configured to calculate the decimal code value according to the code phase. The receiver is further configured to define an approximation position and calculate the integer code value according to the approximate position and the decimal code value. The satellite positioning method is used for positioning the satellite positioning receiving device. | 06-05-2014 |
Chih-Min Huang, New Taipei City TW
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20150062922 | LENS DEVICE AND LIGHT SOURCE MODULE USING THE SAME - A lens device and a light source module using the same are provided. The lens device comprises a lens and a patterned light shielding layer. The lens has a middle light emitting surface and a periphery light emitting surface surrounding the middle light emitting surface. The patterned light shielding layer is formed on the periphery light emitting surface of the lens. | 03-05-2015 |
Chih-Min Huang, Taipei TW
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20090174258 | Built-in uninterruptible power supply system and electronic device using the same - A built-in uninterruptible power supply system and an electronic device using the same are provided. The built-in uninterruptible power supply system supplies power to an electronic component of an electronic device. The built-in uninterruptible power supply system includes a power supply, a power storage, a power supply switch and a power display. The power supply switch electrically couples the power supply with the power storage. The power supply switch switches to transmit a first power or a second power to the electronic component. The power display is disposed in the casing and electrically coupled with the power storage for displaying a storage power of the power storage. When the external power source stops supplying power to the power supply, the power supply switch switches to transmit the second power from the power storage to the electronic component. | 07-09-2009 |
20090199221 | EJECTING MECHANISM CAPABLE OF PREVENTING ACCIDENTAL TOUCH AND DISK DRIVE USING THE SAME - An ejecting mechanism capable of preventing an accidental touch is disposed in a housing having a tray and used for ejecting the tray out of the housing. The ejecting mechanism includes a tray ejecting button and a front cover. The front cover is disposed at the housing and located at the ejecting direction of the tray. The front cover has a sliding key including a pressing body and a triggering body connected to one end of the pressing body. When the pressing body drives the triggering body to slide until the triggering body aligns to the tray ejecting button, the pressing body is capable of being forced to drive one end of the triggering body to trigger the tray ejecting button to eject the tray. | 08-06-2009 |
20100102979 | LAPTOP COMPUTER WITH HARDWARE SECURITY PROTECTION - A laptop computer with hardware security protection includes a lid near the image capture module. The lid can move to shield the image capture module to avoid the image captured by the image capture module transmitting to another computer. Therefore, the hardware security protection is achieved by the real lid to prevent the hacker attacking and increase the security protection. | 04-29-2010 |
20100134329 | Keyboard Module for Avoiding Accidental Operation - A keyboard module for avoiding accidental operation keyboard module includes a key unit. The key unit has a pressing portion and a contacting portion. The pressing portion abutted the casing for the key unit not being pressed down. The pressing portion can be raised up to form a pressing distance relative to the casing via a push element controlled by a controlling switch to provide the pressing function. Therefore, the keyboard module can effectively prevent the users accidentally striking unnecessary keys during their operations or when the computer is in a power saving mode. | 06-03-2010 |
20100236005 | DUMMY CARD CLEANING DEVICE - The invention provides a dummy card cleaning device. The dummy card cleaning device is stored in a card slot of an electronic device to be brought along with the electronic device, so as to provide an immediate and convenient use when cleaning the electronic device. The dummy card cleaning device includes a body having a shape of dummy card, and a brush or a bristle connected to the body. The brush may be stored in an indentation of the body, or slidably, pivotally connected to the body. | 09-23-2010 |
20100246874 | FOLDABLE ELECTRONIC DEVICE - A foldable electronic device includes a first body, a second body, a pivot element and a loudspeaker. The pivot element is pivotally connected between the first body and the second body, and the loudspeaker is disposed in the pivot element and is capable of protruding out of a side of the pivot element. | 09-30-2010 |
Chih-Min Wang, Kaohsiung City TW
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20130049720 | VOLTAGE REGULATOR CONTROLLER AND RELATED REFERENCE VOLTAGE ADJUSTING METHOD - A voltage regulator controller is disclosed including: a reference voltage generator for generating a reference voltage; a comparison circuit, coupled with the reference voltage generator, for comparing the reference voltage with an output voltage of a voltage regulator; and a control circuit, coupled with the reference voltage generator and the comparison circuit, for controlling the reference voltage generator to stepwise lower the reference voltage when a power saving command is received by the voltage regulator controller. | 02-28-2013 |
Chih-Min Wang, Hsinchu City TW
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20090100234 | Data Access System and Data Access Method - A data access system and a data access method achieving effects of power saving and access synchronization during data access are provided. The data access system includes a data processing unit, a bridge device and a memory device. The data processing unit sends an access request signal to initiate data access of at least one unit data. The access of unit data is completed within a plurality of clock cycles of a reference clock signal. The bridge device generates an access signal according to the access request signal, the reference clock signal and a leading time. A pulse of the access signal is determined by the leading time within the clock cycles. The memory device executes the access of the unit data according to the access signal. | 04-16-2009 |
20090100245 | Device and method for memory addressing - An addressing device and method is provided to enable an electronic system having a less addressing capability to address a memory device having a larger storage space, thereby reducing the manufacture cost of the electronic system. The addressing device includes an address decoder and an address translator. The address decoder receives a first access address belonging to a smaller address space, and determines whether to map the first access address to the larger storage space of the memory device. The address translator is coupled to the address decoder. When the first access address is mapped to the storage space of the memory device, the address translator translates the first access address into a second access address of the larger storage space according to an adjustable base address. | 04-16-2009 |
Chih-Min Wang, Hsinchu TW
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20090110057 | PROCESSING APPARATUS AND PROCESSING METHOD FOR A DIGITAL TELEVISION - A processing method and a processing apparatus for a digital television are provided. A processing apparatus for a digital television (DTV) to process a DTV stream, comprising: a demultiplexing unit for retrieving a service information from the DTV stream; a memory coupled to the demultiplexing unit for storing the service information; a first processor coupled to the memory for assigning a task by sending a command according to the service information; a second processor coupled to the memory for processing the task according the command; a communication unit coupled to the first processor and the second processor, for receiving the command from the first processor and sending the command to the second processor; and at least one function module coupled to the first processor and the second processor, respectively, controlled by the first processor or the second processor, to process the service information. | 04-30-2009 |