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Cheng, Shenzhen City

Da-Qing Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20090170376POSITIONING STRUCTURE FOR USB CONNECTOR - An exemplary positioning structure is used for a USB connector assembled with an electronic device including a main body. The positioning structure includes a through hole defined in the main body, and a guiding portion configured on a periphery of an inner sidewall of the through hole.07-02-2009
20090233497BATTERY CONNECTING STRUCTURE - An exemplary battery connecting structure includes a housing and a contact spring. The housing includes a base, a sidewall extending around a periphery of the base, and at least one fixing portion defined at an inner surface of the sidewall away from the base. The contact spring includes a plurality of loops. A loop of an end of the contact spring is fixed between the base and the fixing portion, such that the end of the contact spring is electrically fixed to the base of the housing. In the present battery connecting structure, the contact spring is not easily detached from the housing. A battery-powered device using the battery connecting structure is also provided.09-17-2009
20090308723PRESS-BUTTON FOR ELECTRONIC DEVICE - An exemplary press-button for an electronic device, includes a button cap, a support member connected to the button cap, and a resilient member positioned between the button cap and the support member. The button cap includes a pressing portion extending from a middle portion. The resilient member includes a main portion abutting the support member and a plurality of extending pieces uniformly extending from an edge of the main portion. Each extending piece includes a resisting portion for abutting the button cap and a deformable portion connected between the resisting portion and the main portion.12-17-2009
20100105240POSITIONING STRUCTURE FOR USB CONNECTOR - An exemplary positioning structure is used for a USB connector assembled with an electronic device including a main body. The positioning structure includes a through hole defined in the main body, and a guiding portion configured on a periphery of an inner sidewall of the through hole.04-29-2010
20100276557FIXING MECHANISM FOR STORAGE DEVICE - A fixing mechanism for fixing a storage device to an electronic device, the fixing mechanism includes: a bracket having a base; a pair of fixing members fixed to two opposing positioning sides of the storage device; a pair of latching members fixedly disposed on the base, and aligned in parallel to each other to hold the storage device and the pair of the fixing members each engaged with the corresponding latching member to fix the storage device; and a resilient limiting member fixedly disposed on the base between the pair of the latching members to resist a top surface and a third side of the storage device. The storage device may be secured by the latching members and the resilient limiting member, or detached from the fixing mechanism depending on the resilient deformation of the resilient limiting member or the restoring elastic force of resilient limiting member.11-04-2010
20100285343FIXING MECHANISM FOR BATTERY AND ELECTRONIC DEVICE USING THE SAME - A fixing mechanism to fix a battery to a main body of an electronic device includes a channel defined in the main body, the channel comprising two opposite openings at two ends thereof, a first fixing member fixed to one end of the channel, an electrically conductive second fixing member fixed to the other end of the channel, an insulated protector slidably positioned in the channel between the battery and the first fixing member; an electrical conductive member partially received in the insulated protector, and a resilient member. One end of the resilient member is fixed to the first fixing member, and the other end of the resilient member resists the electrical conductive member with the insulated protector toward the battery so that the electrical conductive member is electrically connected to an electrode of the battery.11-11-2010
20110008103EXPANSION CARD RETENTION ASSEMBLY - A retention assembly includes a platform, a bracket, and a resisting member rotatably connected to the platform. The bracket includes a main portion and a fastening portion. The resisting member includes a resisting portion and a plurality of elastic catching tabs bending from the resisting portion. Each elastic catching tab includes a joining portion and a catching portion. The resisting member fastens the bracket to the platform. The resisting portion resists the fastening portion, and the elastic catching tab catches the main portion. A second angle formed by the joining portion and the catching portion is less than a first angle formed by the main portion and the fastening portion.01-13-2011
20110303522CONTROL ASSEMBLY - A control assembly is assembled between a housing and a printed circuit board of an electronic device. The housing defines a mounting hole. The control assembly includes a force member assembled in the mounting hole, a switch electrically fixed on the printed circuit board under the force member, and a resilient member abutted between the force member and the printed circuit board. The resilient member is compressed to allow the force member to contact the switch when external force applied to the force member.12-15-2011

Patent applications by Da-Qing Cheng, Shenzhen City CN

Fu-Chun Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20110011219SCREWDRIVER - A screwdriver includes a locking member, a positioning member, a retaining member, and a rotatable member. The locking member defines a locking member hole therein. The positioning member is received in the locking member hole, and defines first and second positioning member holes. An angled surface is located between the first and second positioning member holes. The retaining member secures the positioning member to the locking member, and defines a retaining member hole to receive the positioning member. The rotatable member is received in the first positioning member hole, and slidable to abut the angled surface to slide the positioning member from a first position where the rotatable member is positioned in the first positioning member hole, to a second position where the rotatable member is positioned in the second positioning member hole so as to splay the second positioning member hole.01-20-2011

Jian Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20110161302Distributed File System and Data Block Consistency Managing Method Thereof - A distributed file system and a data block consistency managing method thereof are disclosed. The method comprises: a file location register generates the values of the counters corresponding to CHUNKs and the values of the counters are simultaneously stored in file access servers and a file location register; when writing data into a CHUNK, a file access client writes data into both the main and standby file access servers and revises the values of counters of CHUNKs in the file access servers into which data is written normally; the file location register takes the CHUNK whose counter has the maximal value as the normal and valid one according to the corresponding values of the counters of corresponding CHUNK reported by the main and standby file access servers.06-30-2011

Li Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20100051697CHIP CARD HOLDER - A chip card holder includes a body member, a card receiving space formed on the body member and a releasing piece. The releasing piece is slidablely mounted on the body member along a direction perpendicular to the longitudinal direction of the card receiving space and is slid to be in front of the opening of the card receiving space to lock the chip card in the card receiving space or to expose the opening of the card receiving space to unlock the chip card.03-04-2010
20100085716CHIP CARD HOLDER - The chip card holder includes a body member, a card receiving space formed on the body member and a releasing piece. The card receiving space has an opening to insert a chip card along a direction perpendicular to the longitudinal direction of the card receiving space. The releasing piece is slidablely mounted on the body member along the longitudinal direction and is configured for either exposing the opening to insert the chip card or locking the chip card in the card receiving space.04-08-2010
20100163566SCREW PROTECTION COVER AND SHELL ASSEMBLY USING THE SAME - An exemplary screw protection cover is provided, which includes a cover head, a cover body and a positioning piece. The cover body protrudes outward axially from one end thereof and is coaxially disposed with the cover head. The positioning piece protrudes outward from the peripheral edge of the cover head toward the cover body and is at the same side with the cover body. The positioning piece includes a stop catch disposed at the distal end thereof away from the cover head. The invention also discloses a shell assembly using the screw protection cover.07-01-2010
20110151680RETAINING CLIP FOR CONNECTOR - An exemplary retaining clip is used for holding a connector to a printed circuit board. The retaining clip includes a cover plate and a clamping plate. The cover plate includes two bent portions respectively extending from opposite sides of the cover plate. The clamping plate includes a main portion and two arms connected to the main portion. Each arm is fixed to a corresponding bent portion. The cover plate and the arms are for surrounding the connector, and the main portion is for clamping a peripheral edge of the printed circuit board.06-23-2011

Qian Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20110291920ELECTRONIC BOOK - An electronic book includes a main body and a pivot member rotatably mounted to the main body. The main body includes an electrophoretic display, and defines a first receiving space in a bottom of the main body. The pivot member includes a base plate received in the first receiving space and a lighting body mounted to the base plate. When the electronic book is used, the pivot member is rotated relative to the main body, the base plate is moved out of the first receiving space to be positioned above the electrophoretic display, and then the lighting body is turned on to light the electrophoretic display.12-01-2011

Shui-Hua Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20090262883PRESSURE-INDUCED COUNTER - A pressure-induced counter includes a pressure acquisition unit, a delay unit and a counter unit. The pressure acquisition unit is electrically coupled to the counter unit via the delay unit. The pressure acquisition unit is configured for acquiring a pressure signal of an external pressure applied thereon to generate and output an original electrical signal corresponding to the pressure signal. The delay unit is configured for processing the original electrical signal outputted from the pressure acquisition unit to obtain a processed electrical signal by depressing the leading-edge jitter existing therein. The counter unit is configured for receiving the processed electrical signal transmitted from the delay unit and taking count of the received signals.10-22-2009

Xiang Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20100002645Method of Flow Control between Radio Network Controller and Base Station - A method of flow control between radio network controller and base station is disclosed. The method includes: step 1, the base station carrying information of Maximum PDU Length in a capacity allocation frame of High Speed Downlink Shared Channel; step 2, the radio network controller receiving the capacity allocation frame from the base station; step 3, the radio network controller transmitting data to the base station, wherein the amount of data transmitted during one HS-DSCH Interval is less than or equal to the product of Maximum PDU Length carried in said capacity allocation frame and the maximum number of PDUs that can be transmitted during one HS-DSCH Interval. The disclosed method enables the base station control the flow with the radio network controller in the common state of the fortified connection mode.01-07-2010

Xiao-Guang Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20120026681COLLAPSIBLE ELECTRONIC DEVICE AND ADJUSTMENT METHOD THEREOF - A collapsible electronic device includes a first part, a second part, a hinge, a control unit, and a driving unit. The second part is hinged on the first part, and the control unit is configured to generate a first driving command when receiving a power-on signal for the collapsible electronic device and a second driving command when receiving a power-down signal for the collapsible electronic device, and the driving unit is configured to pivot the hinge to a first predetermined angle when receiving the first driving command and to a second predetermined angle when receiving the second driving command.02-02-2012

Xiao-Ying Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20090280283PROTECTING FILM AND METHOD FOR COATING PROTECTING FILM ON WORKPIECE - An exemplary protecting film for coating a three-dimensional surface of a workpiece, includes an adhesive layer and a release layer. The adhesive layer defines a split. The release layer includes a remaining portion for shielding the split of the adhesive layer and a release portion detachably formed on the adhesive layer. The remaining portion is capable of remaining on the adhesive layer after the release portion detaches from the adhesive layer. A method for coating a protecting film on a workpiece is also provided.11-12-2009

Xue-Li Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20090154080COMPUTER FRONT BEZEL - A computer front bezel includes a main body, a sliding cover, and two elastic members. The main body defines two substantially opposite sliding grooves. The sliding cover includes two posts slidably received in the sliding grooves of the main body respectively. The two elastic members are connected to the sliding cover and the main body. One end of each of the elastic members is rotatably connected to the main body, and the other end of each of the elastic members is rotatably connected to the sliding cover. The sliding cover is capable of moving between a first, a second and a third state. The first state is that the sliding cover is in a closed position and the two posts are approximately located at first end of the grooves. The second state is that the sliding cover is between the first and third state, and the elastic members exert more force than when the sliding cover is in the first or third state. The third state is that the sliding cover is in an open position and the posts are approximately located at second end of the grooves.06-18-2009
20100142129CONTAINER ASSEMBLY FOR ELECTRONIC DEVICE - A container assembly for accommodating an electronic device in a panel, includes: a retainer attached to the panel; a cover with the electronic device attached thereto pivotably attached to the retainer, and pivotable between an open position and a closed position; a lock for locking the cover at the closed position; a gear damper; a rotating shelf attached to the cover and sandwiching the electronic device with the cover, a rack formed on the rotating shelf configured for engaging with the gear damper; and an elastic support sandwiched between the retainer and the rotating shelf for biasing the cover to the open position via restoring force of the elastic support; wherein the gear damper depresses the restoring force of the elastic support.06-10-2010
20100156255COMPUTER ENCLOSURE WITH INPUT/OUTPUT MODULE - A computer enclosure includes an inner chassis, an input/output (I/O) module defining a number of I/O interfaces, a latching unit attached to the inner chassis, a resilient member connected between the I/O module and the inner chassis, a gear rack attached to the I/O module, and a damping gear assembly attached to the inner chassis and engaging with the gear rack. The I/O module is pivotably mounted to the inner chassis. The latching unit is capable of keeping the I/O module at a closed position where the I/O interfaces of the I/O module are unexposed. A movement of the I/O module is restrained by the damping gear.06-24-2010

Zhi Cheng, Shenzhen City CN

Patent application numberDescriptionPublished
20090248354DEVICE FOR DETERMINING DIMENSION OF A WORKPIECE - A device for determining dimensions of a workpiece includes a locating apparatus, a determining apparatus and a main processor. The locating apparatus includes a locating board supporting workpieces and defining at least one detecting aperture therethrough. The determining apparatus includes a detecting module, the detecting module includes at least one laser detector, each laser detector includes a laser emitter and a laser receiver respectively mounted on two opposite sides of the locating board. The main processor is connected to the locating apparatus and the determining apparatus, the laser emitter emits laser beams traveling through the detecting aperture and received by the laser receiver, and the main processor determines the dimension of the workpiece according to the dimension of parts on the laser receiver shielded by the workpiece.10-01-2009
20090260451FATIGUE TEST APPARATUS FOR THIN ELEMENT OF ELECTRONIC DEVICE - A fatigue test apparatus for thin workpiece includes a supporting module, a driving mechanism, a first connecting module, a second connecting module, a first holding post, a second holding post and a computer system. The first and second connecting modules are respectively fixed to two sides of the supporting module. Ends of the first holding post and the second holding post are fixed to the first and second connecting modules. The computer system electronically connects with and controls the driving mechanism. The first holding post and the second holding post are drive to rotate by the driving mechanism.10-22-2009
20090292498RESISTANCE TESTING DEVICE - A resistance testing device detects resistances between testing points of an electronic element. The resistance testing device includes controls accepting input of data to the resistance testing device, a relay module, a multimeter, testing probes electrically connected to the relay module, a testing platform including a base and a probe mounting board, a driving assembly mounted on the base and moving the probe mounting board relative to the electronic device, a display, and a central processing assembly mounted within the base. The relay module controls the testing probes and implements the multimeter to detect resistances between the testing points. The base seats the electronic element, the probe mounting board fixes the testing probes, and the probe mounting board is adjustably mounted above the base. The central processing assembly includes a central processing unit. The central processing unit is respectively and electronically connected to the controls, driving assembly, display and the relay module. The central processing unit provides input of data and implements the driving assembly, display, relay module and the multimeter, and analyzes testing results, and the display shows input data and testing results.11-26-2009
20100107377CLAMPING DEVICE FOR PORTABLE ELECTRONIC DEVICE - A clamping device for clamping a portable electronic device is provided. The clamping device includes a mounting board and a clamping mechanism. The clamping mechanism includes two adjusting members, two sliding blocks, and a sliding rail. The adjusting members can adjust the positions of the sliding blocks on the sliding rail. The sliding rail is selectively attached to the mounting board, either horizontally or vertically.05-06-2010