David Jeff Cheng

US Patent:

6366103, Apr 2, 2002

Filed:

Jul 6, 1999

Appl. No.:

09/348751

Inventors:

David Cheng - Sunnyvale CA 94087

International Classification:

G01R 1073

US Classification:

324754, 324758

Abstract:

A multiple test probe system is disclosed. The multiple test probe system includes a support and a mount pivotally coupled to the support. The mount is capable of pivoting to a number of testing positions. A number of probe assemblies are coupled to the mount and associated with a corresponding number of testing positions. The probe assemblies include a number of electrical contacts coupled to a number of wires in a probe bus regardless of a testing position of the mount. The multiple test probe system further includes an actuator coupled to the mount to cause the mount to move between the testing positions.

US Patent:

6454519, Sep 24, 2002

Filed:

Mar 7, 1997

Appl. No.:

08/813480

Inventors:

Masato M. Toshima - Sunnyvale CA
Phil M. Salzman - San Jose CA
Steven C. Murdoch - Palo Alto CA
Cheng Wang - San Jose CA
Mark A. Stenholm - Fremont CA
James Howard - Santa Clara CA
Leonard Hall - San Jose CA
David Cheng - Sunnyvale CA

Assignee:

Applied Materials, Inc. - Santa Clara CA

International Classification:

B65G 4905

US Classification:

414805, 414217, 4142171, 41422201, 414939, 414940, 118719, 118500

Abstract:

A workpiece loading interface is included within a workpiece processing system which processes workpieces, typically wafers, in a vacuum. The workpiece loading interface includes two separate chambers. Each chamber may be separately pumped down. Thus, while a first cassette of wafers, from a first chamber is being accessed, a second cassette of wafers may be loaded in the second chamber and the second chamber pumped down. Each chamber is designed to minimize intrusion to a clean room. Thus a door to each chamber has a mechanism which, when opening the door, first moves the door slightly away from an opening in the chamber and then the door is moved down parallel to the chamber. After the door is opened, a cassette of wafers is lowered through the opening in a motion much like a drawbridge. The cassette may be pivoted within the chamber when the position from which wafers are accessed from the cassette differs from the position from which the cassette is lowered out of the chamber.

US Patent:

6483672, Nov 19, 2002

Filed:

Jun 30, 1999

Appl. No.:

09/343951

Inventors:

Patrick Clinton Arnett - Morgan Hill CA
David Cheekit Cheng - Palo Alto CA
Sakhrat Khizroev - Pittsburgh PA
David Allen Thompson - San Jose CA

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 539

US Classification:

360313

Abstract:

Both the read and write heads are trimmed to approximately 100 nm wide, indicated by Wr and Ww, respectively. The etch depth for the MR element, MR Trenches, is 200 nm and the etch depth for the write head, Write Trenches, is 1 m. In order to confirm that inactive regions are actually those selected for irradiation, during trimming the center of the trimmed MR element has been offset by approximately 300 nm from the center of the original MR element. This offset is observed in the final result.

US Patent:

6653853, Nov 25, 2003

Filed:

Feb 1, 2002

Appl. No.:

10/066391

Inventors:

David Cheng - Sunnyvale CA 94087

International Classification:

G01R 1073

US Classification:

324754, 324758

Abstract:

A multiple test probe system is disclosed. The multiple test probe system includes a support and a mount pivotally coupled to the support. The mount is capable of pivoting to a number of testing positions. A number of probe assemblies are coupled to the mount and associated with a corresponding number of testing positions. The probe assemblies include a number of electrical contacts coupled to a number of wires in a probe bus regardless of a testing position of the mount. The multiple test probe system further includes an indexing device coupled to the mount to cause the mount to move between the testing positions, whereby the indexing device is a multiple linear actuator assembly.

US Patent:

6788079, Sep 7, 2004

Filed:

Feb 1, 2002

Appl. No.:

10/066394

Inventors:

David Cheng - Sunnyvale CA 94087

International Classification:

G10R 1073

US Classification:

324754, 324758

Abstract:

A multiple test probe system is disclosed. The multiple test probe system includes a support and a mount pivotally coupled to the support. The mount is capable of pivoting to a number of testing positions. A number of probe assemblies are coupled to the mount and associated with a corresponding number of testing positions. The probe assemblies include a number of electrical contacts coupled to a number of wires in a probe bus regardless of a testing position of the mount. The multiple test probe system further includes an indexing device coupled to the mount to cause the mount to move between the testing positions, whereby the indexing device is a Geneva Mechanism.

US Patent:

7369750, May 6, 2008

Filed:

Apr 24, 2002

Appl. No.:

10/131661

Inventors:

David J. Cheng - Cupertino CA, US
Mark G. Young - Cupertino CA, US
Pradhan S. Rao - Sunnyvale CA, US

Assignee:

Microsoft Corporation - Redmond WA

International Classification:

H04N 5/91
G06F 13/00

US Classification:

386 83, 725 58, 725 80

Abstract:

Systems, methods, and computer program products for managing and prioritizing record events. A priority manager includes an event list that lists scheduled record events. Each event in the event list has a priority that is different from the other events in the event list. If some of the events conflict, then those events with the highest priority in the event list are recorded. A user can assign priority to events when they are scheduled or at a later time. This enables event conflicts to be resolved by the user when the events are initially scheduled. When an event conflict arises later, the conflict is resolved by the priority manager according to the relative priority of the events in the event list.

US Patent:

7394967, Jul 1, 2008

Filed:

Jun 27, 2002

Appl. No.:

10/186215

Inventors:

Peter J. Potrebic - Calistoga CA, US
Bruce A. Leak - Los Altos CA, US
David J. Cheng - Cupertino CA, US
Shannon B. Vosseller - San Francisco CA, US
Marcus Tai-Tong Aiu - Palo Alto CA, US

Assignee:

Microsoft Corporation - Redmond WA

International Classification:

H04N 5/76
H04N 7/00
H04N 5/00

US Classification:

386 46, 386125

Abstract:

A recorded content management system determines when recorded content maintained in a television-based entertainment and information system has been watched by a viewer. When a segment or percentage of the recorded content for a particular program is displayed for viewing, it is determined whether the program has been watched so that the recorded content, or a portion of the recorded content, can be queued for deletion, or maintained for additional viewing.

US Patent:

7640566, Dec 29, 2009

Filed:

May 6, 2002

Appl. No.:

10/139906

Inventors:

Thomas H. Taylor - Redmond WA, US
Peter J. Potrebic - Calistoga CA, US
David J. Cheng - Cupertino CA, US

Assignee:

Microsoft Corporation - Redmond WA

International Classification:

H04N 7/173

US Classification:

725 88, 725 39, 725134, 725141, 386 45, 386 83

Abstract:

Memory is allocated to record a program being broadcast proportional to its remainder in a client device having a processor in communication with a receiver. The processor executes an application to allocate space in the memory to record the remainder of the broadcast of the program being received by the receiver that has a predetermined time length. The executing application obtains the predetermined time length from the broadcast received by the receiver and derives the remainder of the broadcast of the program from the present time and the predetermined time length obtained from the broadcast. The space can be logically erased prior to its allocation. A video recorder records the broadcast of the program being received by the receiver in the space in the memory. A video playback device plays back the recorded broadcast of the program from the space in the memory.