Patents Assigned to Ambit Microsystems (Shanghai) Ltd.
  • ELECTRONIC DEVICE AND PASSWORD INPUT METHOD THEREOF
    Publication number: 20120326839
    Abstract: An electronic device creates a table for mapping a plurality of pressure values corresponding to a plurality of numerical values, and stores the pressure mapping table in a memory. The electronic device detects a touch on a touch panel of the electronic device and detects a value of the pressure of the touch. The electronic device obtains a numerical value corresponding to the detected pressure value in the pressure mapping table. The electronic device generates a password code as a result of user input based on the numerical value.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 27, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventor: YAO-HONG DU
  • Dual-band antenna
    Patent number: 8325091
    Abstract: A dual-band antenna includes a feeding portion, a radiating portion, a grounding portion, and an insulating support portion. The insulating support portion includes a first support wall, a second support wall, and a third support wall. The third support wall is parallel to the substrate, and perpendicularly connected to the first support wall and the second support wall, to position the radiating portion.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: December 4, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Ping Li, Chong Zhang, Cho-Ju Chung
  • METHOD OF CALCULATING CONNECTIVITY OF N-DIMENSIONAL SPACE
    Publication number: 20120303620
    Abstract: A method for calculating connectivity of a space having a number of objects using a computer system includes establishing a character matrix having a number of elements in accordance with the objects. A label matrix is established, and the character matrix is divided into blocks. Connectivity of the elements of each of the blocks is calculated, and then the elements are grouped into regions based on the values of the elements. Each of the regions is labeled and enhanced.
    Type: Application
    Filed: September 2, 2011
    Publication date: November 29, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventor: YAO-HONG DU
  • MULTI-LAYER ANTENNA
    Publication number: 20120287015
    Abstract: A multi-layer antenna comprising a plurality of antenna units disposed on a multi-layer printed circuit board (PCB). Each layer of the multi-layer PCB respectively comprises two antenna units along two conjoined edges of the layer. Each antenna unit comprises a feeding portion and a radiating portion. The feeding portion is operable to feed received electromagnetic wave signals to the antenna unit. The radiating portion is operable to radiate the electromagnetic wave signals, and comprises a first radiating part and a second radiating part. The first radiating part is rectangular, and a first end of the first radiating part connects to the feeding portion while a second end of the first radiating part connects to the second radiating part. The second radiating part extends away from the first radiating part and forms a meandering “S” pattern.
    Type: Application
    Filed: April 17, 2012
    Publication date: November 15, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: CHO-JU CHUNG, AI-NING SONG
  • Dual processor system and method for using the same
    Patent number: 8312196
    Abstract: A dual processor system comprises a first processor, a second processor, and a dual-ported random access memory (DPRAM). When the first processor stores data to be processed by the second processor to the DPRAM and writes interrupt data to the DPRAM, the DPRAM generates a first information status. The second processor reads the interrupt data once when detecting the first information status, processes the to be processed data when successfully reading the interrupt data once, and reads the interrupt data twice when completing processing the to be processed data. The DPRAM generates a second information status when the second processor successfully reads the interrupt data twice, and the first processor identifies that the second processor has processed the to be processed data when detecting the second information status.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: November 13, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Wen-Fei Xiong
  • Three-pole three-throw switch and communication device
    Patent number: 8299843
    Abstract: A three-pole three-throw switch and a communication device employing the three-pole three-throw switch includes six diodes and six inductors. The six diodes are connected in series with a same direction. Common nodes of each two diodes form three poles and three throws. The three poles and the three throws are linked together in circular form. The three poles and the three throws receive control signals via the six inductor, respectively.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: October 30, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Ai-Ning Song, Xiao-Yan Liu, Su-Qin Li
  • Mobile station and method to select an amplifying path thereof
    Patent number: 8301085
    Abstract: A mobile station communicates with an access point (AP). The mobile station includes a low noise amplifier (LNA) path, a power amplifier (PA) path, a switch to select the LNA path or the PA path, and a controller directing the switch. The controller estimates amplifying power of the LNA, transmitting power and a sensitivity threshold of the PA. The controller receives a current received signal strength indication (RSSI) value of the AP. The controller determines whether amplifying power of the LNA path exceeds the PA sensitivity threshold. The controller transmits a selection signal directing the switch to select the LNA path if the amplifying power of the LNA path exceeds the sensitivity threshold of the PA.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: October 30, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Guo-Zhi Ding, Xu Liu, Teng-Huei Chu
  • ELECTRONIC DEVICE AND SYSTEM TIME SETTING METHOD THEREOF
    Publication number: 20120265461
    Abstract: A system time setting function for an electronic device includes a battery module, a clock module, a processing module and a storage module. The battery module includes a battery gauge integrated chip which times in cycles and measuring a remaining battery capacity. The clock module generates a system time T0 when the electronic device is powered on. The processing module obtains and stores an oscillation time T1 and a remaining battery capacity C1 from the gauge integrated chip. The processing module further obtains a current oscillation time T2 and a currently measured remaining battery capacity C2 and calculates the period for which the electronic device has been powered off and further determines the current system Te according to that length of time, the stored system time T0, the current remaining battery capacity C2 and the stored remaining battery capacity C1.
    Type: Application
    Filed: August 11, 2011
    Publication date: October 18, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: GUO-ZHI DING, AI-JUN SHEN
  • Network device and method of measuring upstream bandwidth employed thereby
    Patent number: 8289868
    Abstract: A network device measures upstream bandwidth of a communication network. The communication network includes a server and a plurality of communication nodes. The network device transmits a sequence of Internet control message protocol (ICMP) request datagrams corresponding to a sequence of time to live (TTL) increased from a first value to a second value to the server via the communication nodes. The network device designates the communication node that transmits an overtime datagram first as the best communication node, transmits a plurality of ICMP detection datagrams to the best communication node, receives response datagrams and records receiving time thereof, and calculates the upstream bandwidth according to size of the plurality of ICMP detection datagrams and the recorded receiving time of the response datagrams.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: October 16, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Zhen-Fa Min
  • GATEWAY DEVICE
    Publication number: 20120243521
    Abstract: A gateway device includes a local area network (LAN) interface including a plurality of LAN ports, and a processor connected to the LAN interface. The gateway device communicates with an Internet Protocol Version 4 (IPv4) network and at least two Internet Protocol Version 6 (IPv6) networks. All the plurality of LAN ports are classified into a plurality of port groups corresponding to the at least two IPv6 networks. When an IPv6 user device is connected to any one of the plurality of LAN ports, the processor identifies the LAN port connected to the IPv6 user device, and enables the IPv6 user device to communicate with the IPv6 network corresponding to the port group which includes the LAN port connected to the IPv6 user device.
    Type: Application
    Filed: May 9, 2011
    Publication date: September 27, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventor: YA-FEN ZHANG
  • PROTOCOL INTERWORKING DEVICE FOR NETWORK TELEPHONE SYSTEM AND METHOD FOR USING THE SAME
    Publication number: 20120246328
    Abstract: A protocol interworking device communicates with at least one first network telephone terminal supporting a first protocol and at least one second network telephone terminal supporting a second protocol. The protocol interworking device includes a protocol converter supporting both the first and second protocols, and a transferring telephone enabled to communicate with both the first and second network telephone terminals by the protocol converter. When the first network telephone terminal sends a call request for calling the second network telephone terminal to the protocol interworking device, the transferring telephone hangs up with the first network telephone terminal and sends another call request to call the second network telephone terminal.
    Type: Application
    Filed: May 9, 2011
    Publication date: September 27, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: JUN SONG, SONG GUO
  • ELECTRONIC DEVICE HAVING PROXIMITY SENSOR AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20120245886
    Abstract: An electronic device includes a main body; at least one proximity sensor arranged in the main body to detect a motion of a user in a predetermined range from the main body. A memory arranged in the main body store a relationship table defining a relationship between an operation event and an executable function. The operation event includes: the times of the proximity of a user to the main body, the duration of a stationary state of the user relative to the main body, and the distance of the movement of a user with respect to the main body. In addition, includes a processor receiving data from the at least one sensor determining an operation event and executing an executable function according to the relationship table.
    Type: Application
    Filed: August 29, 2011
    Publication date: September 27, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: JUN ZHANG, CHI-MING LU
  • Cable modem
    Patent number: 8275024
    Abstract: A cable modem includes an amplifier, a power module, a switch circuit, a monitor signal, a duplexer and a RF matching circuit. The switch includes a PMOS transistor and a first electronic switch. The RF matching circuit included a second electronic switch and an electronic matching device. The monitoring signal source is configured for outputting a control signal. When the monitoring signal source stops outputting the control signal, both the first electronic switch and the PMOS transistor are turned off to cut off the power to the amplifier, the second electronic switch is turned on, and conducts the RF signal received by the signal receiving/transmitting circuit to the duplexer which further conducts the RF signal to the radio frequency matching circuit.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: September 25, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Liang Zhang, Cheng-Yu Wu
  • MOBILE PHONE AND COMMUNICATION SYSTEM SWITCHING METHOD
    Publication number: 20120238316
    Abstract: A mobile phone includes two different communication systems and a current table storing relationship between signal transmission power and current in relation to the two different communication systems. The mobile phone obtains two received signal strength indications (RSSI) in relation to the two different communication systems if the mobile phone requires the voice call service, and then calculates two signal transmission power in relation to the two communication system according to the two RSSI. The mobile phone searches a current table to obtain two current according to the two signal transmission power. The mobile phone compares the two current to select one of the two communication systems which needs a smaller one of the two current to provide the voice call service.
    Type: Application
    Filed: June 10, 2011
    Publication date: September 20, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: YAO-NAN CHANG, JIE CHEN
  • Dual-mode charger circuit
    Patent number: 8269467
    Abstract: A dual-mode charger circuit includes a first charge circuit and a second charge circuit connected in parallel between a power source and a battery, to charge the battery under a slow charge mode and a quick charge mode. A central processing unit detects a capacity of the battery and determines whether the detected capacity exceeds a predetermined capacity, and outputs a mode control signal according to the determination. A mode switch circuit switches the second charger circuit on/off according to the mode control signal. When the second charge circuit is off, the battery is charged under the slow charge mode, and when the second charge circuit is on, the battery is charged under the quick charge mode.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: September 18, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Rong Li, Feng-Chang Yan, Jian-Jun Liu
  • DUAL PROCESSOR SYSTEM AND METHOD FOR USING THE SAME
    Publication number: 20120226844
    Abstract: A dual processor system comprises a first processor, a second processor, and a dual-ported random access memory (DPRAM). When the first processor stores data to be processed by the second processor to the DPRAM and writes interrupt data to the DPRAM, the DPRAM generates a first information status. The second processor reads the interrupt data once when detecting the first information status, processes the to be processed data when successfully reading the interrupt data once, and reads the interrupt data twice when completing processing the to be processed data. The DPRAM generates a second information status when the second processor successfully reads the interrupt data twice, and the first processor identifies that the second processor has processed the to be processed data when detecting the second information status.
    Type: Application
    Filed: April 12, 2011
    Publication date: September 6, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventor: WEN-FEI XIONG
  • Electronic device
    Patent number: 8257854
    Abstract: An electronic device includes a battery box receiving two batteries for providing power. The battery box includes a holding base defining two neighboring receiving rooms and a sliding groove and a slidable block slidably installed in the sliding groove to position the batteries in the receiving rooms. The batteries are received in the receiving rooms via passing over the sliding groove. The slidable block includes a retaining shoulder, a positioning portion protruding from one side of the retaining shoulder and used to match with the sliding groove, a stopper plate and a tab connected between the stopper plate and the retaining shoulder. The stopper plate and the tab are protruding from the other side of the retaining shoulder.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: September 4, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Hua-Qi Wang
  • Multimedia device capable of detecting connection status of external display devices
    Patent number: 8253858
    Abstract: A multimedia device generates and outputs video signals to a display component and an external display device, and includes a video output circuit and a load detection circuit. The load detection circuit isolates and buffers the video output circuit and the load detection circuit, and retrieves horizontal sync signals from the video signals. The load detection circuit further amplifies and integrates the retrieved horizontal sync signals to output direct current signals, and finally compares the direct current signals with a predetermined voltage to output a control signal indicating a connection between the video output circuit and the external display device. The multimedia device turns off the display component according to the control signal indicating that the video output circuit has been connected to the external display device.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: August 28, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Bo-Song Huang
  • Port detection and protection circuit and electronic device using the same
    Patent number: 8254562
    Abstract: A port detection and protection circuit utilizes a voltage detection circuits to output a detection signal according to a voltage difference between the tip signal and the ring signal and utilizes a ring detection circuit to output another detection signal according to a voltage difference between a Subscriber Line Interface Circuit (SLIC) tip signal and a SLIC ring signal signaling an incoming call. In addition, the port detection and protection circuit utilizes at least one logic component to output logic signals according to the detection signals. The port detection and protection circuit further switches a loop of a tip wire, a ring wire and the SLIC on or/and off based on logic signals, and issues an alarm according to the logic signals.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: August 28, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yi-Ping Yang, Kun-Shan Yu
  • Multiple-input multiple-output device
    Patent number: 8242967
    Abstract: A multiple-input multiple-output (MIMO) device includes a substrate, a shielding cover and a MIMO antenna. The shielding cover is positioned on the substrate, and includes a plurality of sidewalls. The MIMO antenna includes a first solid antenna, a second solid antenna, and a plane antenna. The first solid antenna and the second solid antenna are electrically connected to two ends of one sidewall of the shielding cover, respectively. The first plane antenna is configured on the substrate, and disposed between the first solid antenna and the second solid antenna.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: August 14, 2012
    Assignees: Ambit Microsystems (Shanghai) Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Xue-Dong Jiang, Su-Qin Li, Jian-Feng Xiao, Ming-Jiang Fan