Patents by Inventor Zheng Zhao
Zheng Zhao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120040694Abstract: This invention provides a method, system and device for positioning a mobile terminal. The method includes: instructing, by a serving base station or an upper level relay, measuring a transmission time of a positioning signal with the mobile terminal, and instructing two relays in a serving cell to measure the transmission time of the positioning signal with the mobile terminal; and calculating, by the serving base station or the upper level relay, a position of the mobile terminal according to the transmission time of the positioning signal, the position of the serving base station or the upper level relay and the position of the two relays. The method, system and device provided by the present invention can reduce communication overhead in mobile terminal positioning, and improve the positioning accuracy of mobile terminal positioning.Type: ApplicationFiled: April 22, 2010Publication date: February 16, 2012Inventors: Lei Zhou, Xufeng Zheng, Zheng Zhao
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Publication number: 20120037784Abstract: A support structure for supporting a display panel includes a support and a clamp. The support is rotatably coupled to the display panel. The clamp includes two clamping arms rotatably coupled to the support, a bolt and an adjusting nut. A slot is defined in each clamping arm. The bolt is extended through each slot and engaged with the adjusting nut. Therefore a distance between two distal ends of two clamping arms can be adjusted by screwing and unscrewing the adjusting nut along the bolt. A display device using the support structure is also provided.Type: ApplicationFiled: October 25, 2011Publication date: February 16, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTDInventors: HAI-YANG YU, HONG-WEI ZHU, ER-ZHENG ZHAO
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Publication number: 20120008608Abstract: A access point (AP) during wireless communication with at least one wireless transmit/receive unit (WTRU), transmits a beacon signal periodically among a plurality of sectors, each sector having its own sector identity, the beacon signal being periodically received at least once in a beacon period and the beacon period comprising a plurality of beacon service periods for all sectors. The AP determines a scheduling value to indicate a number of inactive beacon periods for a first sector to at least one WTRU located in the first sector. The scheduling value is transmitted with the sector identity for the first sector, such that a variable beacon period is established for the first sector, enabling the at least one WTRU located in the first sector to enter a sleep mode for an adjustable period of time.Type: ApplicationFiled: September 19, 2011Publication date: January 12, 2012Applicant: INTERDIGITAL TECHNOLOGY CORPORATIONInventors: Ana Lucia Iacono, Arty Chandra, Zheng Zhao
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Patent number: 8089758Abstract: An electronic device includes a body, a cover, a sliding apparatus, and a latch assembly. The body defines two sliding slots. The sliding apparatus is received in the slots and is slidable relative thereto. The cover is foldable on the body and is rotatably coupled to the sliding apparatus. The latch assembly is fixed to the sliding apparatus. When the latch assembly clasps the body, the sliding apparatus is unlatched from the electronic device, and the cover is slidable relative to the body and is unfolded while the cover slides away from the body.Type: GrantFiled: November 12, 2009Date of Patent: January 3, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hong-Wei Zhu, Chieh-Yu Lee, Hai-Yang Yu, Er-Zheng Zhao
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Patent number: 8085533Abstract: An electronic device includes a body, a cover, and a switching assembly. The body defines two first openings. The cover defines two second openings facing the two first openings. The switching assembly includes a locking assembly received in the body and a latching assembly received in the cover. The locking assembly includes a handle, two guiding members, and two magnetic members received in the corresponding guiding members. The handle is for impelling the guiding members to move. The latching assembly includes two latching members. Each latching member has a latching end for being attracted by one of the magnetic members. When the cover covers the body, each latching end protrudes through the corresponding second and first openings and is caught by the magnetic members. When the handle is pressed, the handle drives the two guiding members to move to impel the two magnetic members away from the corresponding latching ends.Type: GrantFiled: December 2, 2009Date of Patent: December 27, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Er-Zheng Zhao, Chieh-Yu Lee, Hong-Wei Zhu, Hai-Yang Yu
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Patent number: 8084847Abstract: A prefabricated lead frame to bond a chip and a substrate, and a bonding method using the prefabricated lead frame. The prefabricated lead frame includes an inner ring, an outer ring, and a plurality of wires, wherein inner ends and outer ends of the wires are respectively connected to the inner ring and the outer ring, and the prefabricated lead frame has a wire shape corresponding to a chip and a substrate to be bonded. The prefabricated lead frame may be manufactured in batch production to increase the manufacturing efficiency of semiconductor devices, and the prefabricated lead frame may be used instead of a general wire bonding process.Type: GrantFiled: June 18, 2009Date of Patent: December 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Lei Wang, Jai-sung Lee, Qian Wang, Zhenging Zhao
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Patent number: 8080756Abstract: A snapping switch includes a base, a ring, a knob, first to third snapping members, and two contact pads. The ring is mounted on the base. The knob is rotatably engaged with the base and the ring. The first snapping member mounted on one of the ring and the knob. The second and third snapping members are separately mounted on the other one of the ring and the knob and sandwiching the first snapping member there-between. The contact pads are respectively mounted on the ring and the knob. When the knob is in a first position, the first snapping member attracts one of the second and third snapping members to separate the contact pads; and when the knob is rotated to a second position, the first snapping member can attract the other one of the second and third snapping members to make an electrical connection between the contact pads.Type: GrantFiled: August 24, 2009Date of Patent: December 20, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Er-Zheng Zhao, Hong-Wei Zhu, Hai-Yang Yu
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Patent number: 8073070Abstract: Provided are a multi-pilot generation method and a detection method in a multi-antenna communication system. In the method, a transmission side superimposes a first preamble sequence and a third preamble sequence to generate a second preamble sequence, which is subjected to serial/parallel conversion before the first preamble sequence and the second preamble sequence are successively transmitted from a plurality of antennas by time division. A reception side receives the first preamble sequence and the second preamble sequence by a plurality of antennas, separates the third preamble sequence from the second preamble sequence by a spatial division process, and performs a pilot correlation process by using the first preamble sequence and the separated third preamble sequence.Type: GrantFiled: November 22, 2006Date of Patent: December 6, 2011Assignee: Panasonic CorporationInventors: Zheng Zhao, Jifeng Li
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Patent number: 8066241Abstract: A supporting structure is provided for supporting a flat panel display. The supporting structure includes a brace and a base. The brace includes a chassis and a number of arms movably connected to the chassis. The chassis includes a supporting portion surface, an opposite grasp portion surface, and a side surface connecting the supporting portion surface and the grasp portion surface. The supporting portion surface is positioned against the back surface of the flat panel display. The chassis defines a number of side openings on the side surface from the grasp portion surface and along a direction parallel to the axis of the chassis. The base includes a casing sleeved on the chassis therein. The casing defines a number of cutouts corresponding to the side openings and cooperates with the side openings to define a number of sliding grooves for the arms sliding therein respectively.Type: GrantFiled: April 30, 2009Date of Patent: November 29, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hai-Yang Yu, Hong-Wei Zhu, Er-Zheng Zhao
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Patent number: 8056876Abstract: A support structure for supporting a display panel includes a support and a clamp. The support is rotatably coupled to the display panel. The clamp includes two clamping arms rotatably coupled to the support, a bolt and an adjusting nut. A slot is defined in each clamping arm. The bolt is extended through each slot and engaged with the adjusting nut. Therefore a distance between two distal ends of two clamping arms can be adjusted by screwing and unscrewing the adjusting nut along the bolt. A display device using the support structure is also provided.Type: GrantFiled: March 17, 2009Date of Patent: November 15, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hai-Yang Yu, Hong-Wei Zhu, Er-Zheng Zhao
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Patent number: 8047499Abstract: A support stand assembly includes a base, a stopper, a guiding member, a connecting member, a supporting member, and a resilient member. The guiding member, the connecting member, and the supporting member are movably disposed on the base. The resilient member is disposed between the guiding member and the base. The stopper is rotatable disposed in the base. The guiding member is engaged with the stopper. The connecting member abuts the guiding member. The supporting member is pivotally connected with the connecting member.Type: GrantFiled: March 24, 2009Date of Patent: November 1, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hai-Yang Yu, Er-Zheng Zhao, Hong-Wei Zhu
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Patent number: 8024001Abstract: Network Allocation Vector (NAV) and “beam access control” (BAC) techniques are provided to address data collision problems in WLANs wherein APs provide wireless network access in a service area defined by multiple sectors via use of a switchable antenna system or the like. Preferably, every time the AP visits a sector and before the AP moves on to the next sector, the AP can set the NAV equal to the time it will take until its next visit. Alternatively, or in addition, a BAC bit is transmitted by an AP to control access to the AP by WTRUs disposed in a service sector in which the BAC is transmitted.Type: GrantFiled: April 16, 2007Date of Patent: September 20, 2011Assignee: InterDigital Technology CorporationInventors: Ana Lucia Iacono, Arty Chandra, Zheng Zhao
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Patent number: 8014141Abstract: A portable electronic device includes a main body, a display and a writing tablet. The display pivotally connects to a rear wall of the main body to selectively locate in a first state and a second state. In the first state, the display covers a top wall of the main body. In the second state, the display rotates away from the top wall and is arranged on a rear side of the main body. The writing tablet pivotally connects to the main body to selectively locate at a first position and a third position. In the first position, the writing tablet is arranged between the display and the main body and covers the top wall of the main body, and electrically connected with the main body for receiving input signals. In the third position, the writing tablet is arranged on a front side of the main body.Type: GrantFiled: August 24, 2009Date of Patent: September 6, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hai-Yang Yu, Hong-Wei Zhu, Er-Zheng Zhao
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Patent number: 8009424Abstract: A latching device and an electronic device using the latching device are provided. The latching device is for fastening a cover assembly of the electronic device to a base assembly. The latching device includes a sliding member movably mounted in the cover assembly, a magnet fixed in the sliding member, and a hooking member pivotally fixing on the base assembly. The hooking member is made up of magnetic material. When the cover assembly is rotated to cover the base assembly, the hooking member is attracted by the magnet and hooks onto the cover assembly. When the sliding member slides, the sliding member pushes the hooking member to disengage from the cover assembly.Type: GrantFiled: July 7, 2009Date of Patent: August 30, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hong-Wei Zhu, Er-Zheng Zhao, Hai-Yang Yu
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Publication number: 20110182007Abstract: An electronic device includes a main body and a support. The support includes a rotary socket, a retaining ring, a fixing cover, a support member, and a shaft. The rotary socket and the retaining ring are fixed to the main body via the fixing cover, the rotary socket is limited to rotate within the retaining ring, and the shaft rotatably connects the support member to the rotary socket. The support member is capable of being rotated to support the electronic device in a landscape orientation and a portrait orientation.Type: ApplicationFiled: September 9, 2010Publication date: July 28, 2011Applicants: FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: HONG-WEI ZHU, CHIEH-YU LEE, HAI-YANG YU, ER-ZHENG ZHAO
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Publication number: 20110150117Abstract: A system for transmitting and receiving channel state information (CSI) is provided, in which a terminal receives a pilot signal transmitted from a transmitter; the terminal estimates CSI of part of downlink channels based on the received pilot signal; the terminal superposes the CSI of part of downlink channels onto a uplink sounding signal orthogonally, and transmits them together; the transmitter obtains the CSI of the rest part of downlink channels by estimating the uplink sounding signal; the transmitter performs orthogonal de-multiplexing on the received signal to obtain the CSI of the part of downlink channels; the transmitter, by using the CSI of the two parts of downlink channels, pre-codes downlink data and transmits it to the terminal. With the system of the present invention, it is possible to solve the problem that the transmitter can not obtain complete CSI due to the fact that uplink and downlink antenna configurations are not matched with each other.Type: ApplicationFiled: August 21, 2009Publication date: June 23, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Lei Zhou, Zheng Zhao, Zongchuang Liang
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Publication number: 20110136497Abstract: An approach is provided for mitigating interference from Long Term Evolution (3GPP LTE) terminals to adjacent frequency bands. A platform determines whether a region associated with transmission of one or more resource blocks are an interfering region according to predetermined criteria, where one or more resource blocks are assigned a primary carrier as a default carrier for the transmission. The platform selects a secondary carrier for the one or more resource blocks instead of the primary carrier if the region is determined to be interfering.Type: ApplicationFiled: December 8, 2009Publication date: June 9, 2011Applicant: VERIZON PATENT AND LICENSING INC.Inventors: Andrew Youtz, Iftekhar Rahman, Pingping Zong, Zheng Zhao
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Patent number: 7950617Abstract: A support device includes a support-receiving member, a sliding block, a support, and an elastic sheet. The support-receiving member defines a groove with one end thereof blocked to form a stop end and the other opened to form an exit end. The sliding block and the support are slidably juxtaposed in the groove from the stop end to the exit end and rotatably coupled. The support includes a contact portion extending away from an end near the sliding block. The elastic sheet is fixed to the support-receiving member at the exit end and extends a free end away from the exit end. The free end maintains contact with the contact portion during rotation of the support and presses the contact portion to pivot the support to be stopped by the support-receiving member, stationing the support at that position.Type: GrantFiled: December 31, 2008Date of Patent: May 31, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hong-Wei Zhu, Er-Zheng Zhao, Hai-Yang Yu
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Patent number: 7924905Abstract: A wireless communication apparatus in a closed loop communication wherein a channel resource can be shared among users and hence the capacity of the communication system can be increased.Type: GrantFiled: September 29, 2006Date of Patent: April 12, 2011Assignee: Panasonic CorporationInventors: Zheng Zhao, Jifeng Li
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Publication number: 20110026197Abstract: An electronic device includes a body, a cover, and a switching assembly. The body defines two first openings. The cover defines two second openings facing the two first openings. The switching assembly includes a locking assembly received in the body and a latching assembly received in the cover. The locking assembly includes a handle, two guiding members, and two magnetic members received in the corresponding guiding members. The handle is for impelling the guiding members to move. The latching assembly includes two latching members. Each latching member has a latching end for being attracted by one of the magnetic members. When the cover covers the body, each latching end protrudes through the corresponding second and first openings and is caught by the magnetic members. When the handle is pressed, the handle drives the two guiding members to move to impel the two magnetic members away from the corresponding latching ends.Type: ApplicationFiled: December 2, 2009Publication date: February 3, 2011Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: ER-ZHENG ZHAO, CHIEH-YU LEE, HONG-WEI ZHU, HAI-YANG YU