Ping P Peng

US Patent:

6977613, Dec 20, 2005

Filed:

Dec 30, 2003

Appl. No.:

10/749197

Inventors:

Ziming He - Irvine CA, US
Ping Peng - Irvine CA, US
Jim X. Zhao - Cypress CA, US
Chiu-Yu Tang - Lake Forest CA, US
Tien-Lu Kao - La Mirade CA, US

Assignee:

Hon Hai Precision Ind. Co., Ltd. - Taipei Hsien

International Classification:

H01Q001/38

US Classification:

343700MS, 343830, 343846

Abstract:

A high gain and omni-directive dual-patch antenna () for wireless communication under IEEE 802. 11b/g standard includes a top and a bottom radiating patches () and () which have the same dimension, each of which in effect being a ground portion of the other, an air parch dielectric substrate between the two radiating patches, a feeding cable () inserted between the two radiating patches, and a support potion (). A plurality of matching holes () is defined in both radiating patches and is provided for fast impedance match tuning and heat dissipation.

US Patent:

8417286, Apr 9, 2013

Filed:

Jan 6, 2011

Appl. No.:

12/986091

Inventors:

Oleksandr Gorbachov - Irvine CA, US
Ping Peng - Irvine CA, US

Assignee:

RFaxis, Inc. - Irvine CA

International Classification:

H04M 1/00

US Classification:

4555531, 4555521, 455 78, 455 73, 455 903

Abstract:

A radio frequency communications system with a first operating frequency band and a second operating frequency band is disclosed. There is a first antenna. A transceiver has a first transmission port, a second transmission port, a first reception port, and a second reception port. In a first front end circuit, a first port is coupled to the antenna, and a second port is coupled to the transceiver. The first front end circuit has a first low noise amplifier, a second low noise amplifier, a first power amplifier, and a second power amplifier. A switching circuit connects the first transmission port, the first reception port, the second transmission port, and the second reception port to the second port of the first front end circuit. The antenna is distant from the transceiver, while the first front end circuit is proximal to the antenna. The first switching circuit is proximal to the transceiver.

US Patent:

20040038660, Feb 26, 2004

Filed:

Aug 21, 2002

Appl. No.:

10/226006

Inventors:

Ziming He - Irvine CA, US
Nopakorn Hiranrat - Walnut CA, US
Ping Peng - Irvine CA, US
Hung Tieu - Alhambra CA, US
Yin Qian - Hacienda Hts. CA, US

International Classification:

H04B007/00

US Classification:

455/277100, 455/272000

Abstract:

A dual-mode Wireless Local Area Network (WLAN) module installed in an electronic device () for wireless communication with other electronic devices includes an RF front-end unit (), two dual-band antennas () coupled to the RF front-end unit, a dual-band radio frequency integrated circuit (RFIC) () coupled to the RF front-end unit, a dual-band base-band integrated circuit (BBIC) () coupled to the RFIC, and an interface unit coupled to both the BBIC and a computer (). The RF front-end consists of transmitting and receiving paths. The RF front-end unit has antenna diversity control switching circuits () for selecting an appropriate antenna and switching circuits () for controlling ON/OFF states of transmitting/receiving paths of the RF front-end unit.

US Patent:

20040198420, Oct 7, 2004

Filed:

Aug 21, 2002

Appl. No.:

10/225808

Inventors:

Ziming He - Irvine CA, US
Ping Peng - Irvine CA, US
Nopakorn Hiranrat - Walnut CA, US
Hung Tieu - Alhambra CA, US
Yin Qian - Hacienda Hts. CA, US

International Classification:

H04B001/38

US Classification:

455/552100, 455/078000, 455/553100

Abstract:

A dual-mode WLAN module includes two dual-band antennas (), an RF front-end circuit (), a dual-mode radio frequency integrated circuit (RFIC) chip (), a dual-mode Base-Band integrated circuit chip (), and an interface (mini-PCI, PCI, USB etc.) connecting to a computer (). The RF front-end circuit for dual-mode WLAN module comprises two transmitting circuits, two receiving circuits, switch units, and logic control circuit () for controlling the operation of transmitting/receiving selection and antenna diversity selection.

US Patent:

20040204037, Oct 14, 2004

Filed:

Dec 11, 2002

Appl. No.:

10/318249

Inventors:

Ziming He - Irvine CA, US
Ping Peng - Irvine CA, US
Nopakorn Hiranrat - Walnut CA, US
Yin Qian - Hacienda Heights CA, US
Fusheng Chen - Bellflower CA, US

International Classification:

H04B001/38

US Classification:

455/553100, 455/552100

Abstract:

A radio frequency (RF) front-end () employed in a dual-mode transceiver module connects a first and a second dual-band antennas (), and includes a first and a second signal receiving paths for receiving RF signals in two different frequency bands, a first and second signal transmitting paths for transmitting RF signals in the two different frequency bands, and a switch unit connecting the first and second dual-band antennas with the first and second signal transmitting and receiving paths. The switch unit includes a double pole double throw (DPDT) switch () and two single pole double throw (DPDT) switches (). The switch unit performs an antenna selection function for both the first and second transmitting paths and the first and second receiving paths.

US Patent:

20040263391, Dec 30, 2004

Filed:

Jun 27, 2003

Appl. No.:

10/607778

Inventors:

Zi-Ming He - Irvine CA, US
Ping Peng - Irvine CA, US
Yin Qian - Hacienda Heights CA, US

International Classification:

H01Q001/38

US Classification:

343/7000MS

Abstract:

A multi-band antenna includes an insulative substrate () carrying a conductive element () and a coaxial cable (). The conductive element includes a first radiating patch () resonating at a first frequency band and a second radiating patch () resonating at a second frequency band. The first radiating patch is spaced from the second radiating patch by a non-conductive gap (). The coaxial cable comprises an inner conductor () and an outer conductor (). The inner conductor electrically connects with the first radiating patch. The outer conductor electrically connects with the second radiating patch. The first and the second radiating patches function as grounding means for each other. The multi-band antenna, therefore, has a simple, structure while maintains a wide-bandwidth characteristic.

US Patent:

20050035919, Feb 17, 2005

Filed:

Aug 15, 2003

Appl. No.:

10/641913

Inventors:

Fan Yang - Los Angeles CA, US
Ziming He - Irvine CA, US
Ping Peng - Irvine CA, US
Yin Qian - Hacienda Heights CA, US

International Classification:

H01Q009/28

US Classification:

343795000

Abstract:

A multi-band printed dipole antenna () for an electronic device includes an elongate insulative substrate (), a first, second and third pairs of dipole elements () closely and parallelly disposed on the substrate, a capacitor () and a feeder cable (). The first, second and third pair of dipole elements respectively couple with the feeder cable to form a first, second and third dipole antennas. The capacitor is used to improve the impedance matching of the second dipole antenna.

US Patent:

20050083233, Apr 21, 2005

Filed:

Oct 15, 2003

Appl. No.:

10/687299

Inventors:

Ziming He - Irvine CA, US
Ping Peng - Irvine CA, US

International Classification:

H01Q001/38

US Classification:

3437000MS

Abstract:

A patch antenna () for an electronic device includes a planar metal sheet having a first element (), a second element () and a connecting patch () connecting the first element with the second element. A first ground plane () is disposed adjacent to the first element. A second ground plane () is parallelly spaced from the metal sheet. A shorted patch () shorts the first ground plane to the second ground plane. A number of dielectric sticks () are disposed between the metal sheet and the second ground plane for supporting the metal sheet. A feeder cable () includes an inner conductor () electrically connecting with the first element and an outer shield conductor () electrically connecting with the first ground plane.