Lei Y Chen

US Patent:

6339453, Jan 15, 2002

Filed:

Jul 26, 1999

Appl. No.:

09/359792

Inventors:

Lei Chen - Milpitas CA
Hiroyuki Chimoto - Yokohama, JP

Assignee:

Kabushiki Kaisha Toshiba - Kawasaki

International Classification:

H04N 5445

US Classification:

348589, 348563, 348569, 348600

Abstract:

A television system includes a television and an external media module. The television includes a television control unit capable of generating a control signal, apparatus for receiving a video signal, a media controller for generating a graphics signal, and a display unit for displaying either the video signal or a combined video and graphics signal. The external media module, external to the television, is connectable via an interface with the media controller, and performs a graphics on-screen display application in accordance with the television control signal.

US Patent:

6587999, Jul 1, 2003

Filed:

May 15, 2001

Appl. No.:

09/859149

Inventors:

Lei Chen - Mountain View CA
Sandeep Bhutani - Towson MD

Assignee:

LSI Logic Corporation - Milpitas CA

International Classification:

G06F 945

US Classification:

716 6, 716 5, 716 10, 716 17, 716 18

Abstract:

A method of modeling delays in an integrated circuit design is disclosed that may be used to reduce the computation time of path delays in an integrated circuit design. A method of modeling delays in an integrated circuit design includes the steps of receiving as input a description of an integrated circuit design; identifying at least one small net in the integrated circuit design from the description; approximating an effective capacitance of the at least one small net by the total capacitance; and approximating an interconnect delay of the at least one small net by zero.

US Patent:

7852753, Dec 14, 2010

Filed:

Aug 15, 2008

Appl. No.:

12/192717

Inventors:

Richard S. Newpol - Seven Fields PA, US
James R. Bryant - Cranberry Township PA, US
Lei G. Chen - Sunnyvale CA, US

Assignee:

Telefonaktiebolaget L M Ericsson - Stockholm

International Classification:

H04J 1/16

US Classification:

370221, 370217, 370225

Abstract:

An apparatus and method for centrally selecting a control network from redundant control networks is described. In one embodiment of the invention, a network element includes a first control network and a second control network. Each line card implements a bonding interface to bond a first port coupled with the first control network and a second port coupled with the second control network. On each line card, the first and second ports receive a control network selection message from the first and second control networks respectively. A link layer driver on each line card interprets those selection messages and determines which control network is active and reports that control network as up to the bonding interface and reports the other control network as down to the bonding interface. The bonding interface selects the control network reported as up and application software uses that control network.

US Patent:

8027800, Sep 27, 2011

Filed:

Jun 24, 2008

Appl. No.:

12/145407

Inventors:

Ramez Nachman - Santa Clara CA, US
Lei Chen - Cupertino CA, US
Tao Yu - Campbell CA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G01R 31/00

US Classification:

702117, 702 64, 702 81

Abstract:

In some embodiments, each interferometric modulator has a stiction threshold voltage. If a voltage above the stiction threshold voltage is applied to the interferometric modulator, the interferometric modulator enters a stiction state permanently, i. e. , becomes “stuck,” and the interferometric modulator becomes inoperable. Disclosed are apparatuses, methods and computer-readable media for testing a panel of interferometric modulators. A ramped voltage waveform is applied to a plurality of interferometric modulators of the panel. In response to applying the ramped voltage, the stiction threshold voltage is identified. At or above this voltage, the number of stuck interferometric modulators in the panel reaches or exceeds a first threshold number, for example, 50% of the total number of the interferometric modulators constituting the panel. The embodiments can be used to establish stiction benchmark for panel manufacturing processes, to collect data for generating statistical distribution, etc.

US Patent:

8443271, May 14, 2013

Filed:

Oct 28, 2011

Appl. No.:

13/284730

Inventors:

Fan Zhang - Milpitas CA, US
Lei Chen - Santa Clara CA, US
Zongwang Li - San Jose CA, US
Shaohua Yang - San Jose CA, US
Yang Han - Sunnyvale CA, US
Wu Chang - Santa Clara CA, US

Assignee:

LSI Corporation - San Jose CA

International Classification:

H03M 13/03

US Classification:

714794

Abstract:

Various embodiments of the present invention provide systems and methods for data processing. For example, data processing systems are disclosed that include a data decoding system. The data decoding system includes a data decoder circuit and a simplified maximum likelihood value modification circuit. The data decoder circuit is operable to apply a data decode algorithm to a decoder input to yield a first decoded output and an indication of at least one point of failure of the first decoded output. The simplified maximum likelihood value modification circuit is operable to identify a symbol of the first decoded output associated with the point of failure, and to modify a subset of values associated with the identified symbol to yield a modified decoded output.

US Patent:

8554949, Oct 8, 2013

Filed:

Mar 16, 2007

Appl. No.:

11/725084

Inventors:

Eric Goodill - Menlo Park CA, US
Manuel Jude Fernandes - Vancouver, CA
Tak Kuen Tang - Vancouver, CA
Lei Glen Chen - Sunnyvale CA, US

Assignee:

Ericsson AB - Stockholm

International Classification:

G06F 15/173

US Classification:

709243, 370216, 714 41

Abstract:

A method and apparatus selectively resetting a control plane in a network element is described. One embodiment of the invention is a network element with a selective reset controller that can reset the control plane of the network element without interrupting the data traffic processing of the data plane of the network element.

US Patent:

8560930, Oct 15, 2013

Filed:

Dec 12, 2011

Appl. No.:

13/316858

Inventors:

Zongwang Li - San Jose CA, US
Chung-Li Wang - San Jose CA, US
Lei Chen - Santa Clara CA, US
Shaohua Yang - San Jose CA, US

Assignee:

LSI Corporation - San Jose CA

International Classification:

H03M 13/03

US Classification:

714796, 714777

Abstract:

Various embodiments of the present invention provide systems and methods for generating a code format. One method discussed includes: Various embodiments of the present invention provide methods for generating a code format. Such methods include: receiving an indication of a low weight codeword having a trapping set; selecting an initial value for a base matrix; testing the low weight codeword after modification by the initial value to determine an updated weight of the low weight codeword; and testing the low weight codeword after modification by the initial value to determine whether the trapping set remains.

US Patent:

8612843, Dec 17, 2013

Filed:

Aug 19, 2011

Appl. No.:

13/213789

Inventors:

Ming Jin - Fremont CA, US
Haitao Xia - San Jose CA, US
Lei Chen - Santa Clara CA, US

Assignee:

LSI Corporation - San Jose CA

International Classification:

G06F 7/02

US Classification:

714819, 714723, 714797

Abstract:

Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is disclosed that includes a media defect detector circuit. The media defect detector circuit is operable to compare a data input derived from a medium against at least a first defect level to yield a first level output, and a second defect level to yield a second level output; and provide a combination of the first level output and the second level output as a defect quality output. A value of the defect quality output corresponds to a likelihood of a defect of the medium.