David C. Cheng

Person

Palos Verdes Estates, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Coherent synchronization of code division multiple access signals
- Patent number 6,963,548
- Issue date Nov 8, 2005
- The DIRECTV Group, Inc.
- Donald C. D. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for identifying growth limits of handheld services for mobil...
- Patent number 6,807,397
- Issue date Oct 19, 2004
- Hughes Electronics Corporation
- Donald C. D. Chang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Position location of multiple transponding platforms and users usin...
- Patent number 6,785,553
- Issue date Aug 31, 2004
- The DIRECTV Group, Inc.
- Donald C. D. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Satellite system and method of deploying same
- Patent number 6,766,987
- Issue date Jul 27, 2004
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for re-routing signals in a switch network
- Patent number 6,643,268
- Issue date Nov 4, 2003
- Hughes Electronics Corporation
- Kar W. Yung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Techniques for utilization of bandwidth space assets
- Patent number 6,606,307
- Issue date Aug 12, 2003
- Hughes Electronics Corporation
- Donald C. D. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for identifying growth limits of handheld services for mobil...
- Patent number 6,501,941
- Issue date Dec 31, 2002
- Hughes Electronics Corporation
- Donald C. D. Chang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Satellite system and method of deploying same
- Patent number 6,460,808
- Issue date Oct 8, 2002
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Satellite system and method of deploying same
- Patent number 6,336,612
- Issue date Jan 8, 2002
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining a position of a transceiver in a...
- Patent number 6,313,790
- Issue date Nov 6, 2001
- Hughes Electronics Corporation
- Donald C. D. Chang
- G01 - MEASURING TESTING
Information Patent Grant
Satellite system and method of deploying same
- Patent number 6,257,526
- Issue date Jul 10, 2001
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for incorporating two-way ranging navigation as a...
- Patent number 6,246,363
- Issue date Jun 12, 2001
- Hughes Electronics Corporation
- Kar W. Yung
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for determining a position of a communication sat...
- Patent number 6,229,477
- Issue date May 8, 2001
- Hughes Electronics Corporation
- Donald C. D. Chang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Satellite system and method of deploying same
- Publication number 20040056148
- Publication date Mar 25, 2004
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Position location of multiple transponding platforms and users usin...
- Publication number 20030208317
- Publication date Nov 6, 2003
- Hughes Electronics Corporation
- Donald C.D. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for identifying growth limits of handheld services for mobil...
- Publication number 20030129942
- Publication date Jul 10, 2003
- Hughes Electronics Corporation
- Donald C. D. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR IDENTIFYING GROWTH LIMITS OF HANDHELD SERVICES FOR MOBIL...
- Publication number 20030022623
- Publication date Jan 30, 2003
- DONALD C. D. CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Satellite system and method deploying same
- Publication number 20030001048
- Publication date Jan 2, 2003
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Satellite system and method of deploying same
- Publication number 20020053627
- Publication date May 9, 2002
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Satellite system and method of deploying same
- Publication number 20020003192
- Publication date Jan 10, 2002
- Hughes Electronics Corporation
- Frank Taormina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for determining a position of a transceiver in a...
- Publication number 20010009405
- Publication date Jul 26, 2001
- Hughes Electronics Corporation
- Donald C.D. Chang
- G01 - MEASURING TESTING

David C. Cheng

Person

Patents Grantslast 30 patents

Coherent synchronization of code division multiple access signals

Method for identifying growth limits of handheld services for mobil...

Position location of multiple transponding platforms and users usin...

Satellite system and method of deploying same

Method for re-routing signals in a switch network

Techniques for utilization of bandwidth space assets

Method for identifying growth limits of handheld services for mobil...

Satellite system and method of deploying same

Satellite system and method of deploying same

Method and system for determining a position of a transceiver in a...

Satellite system and method of deploying same

Method and system for incorporating two-way ranging navigation as a...

Method and system for determining a position of a communication sat...

Patents Applicationslast 30 patents

Satellite system and method of deploying same

Position location of multiple transponding platforms and users usin...

Method for identifying growth limits of handheld services for mobil...

METHOD FOR IDENTIFYING GROWTH LIMITS OF HANDHELD SERVICES FOR MOBIL...

Satellite system and method deploying same

Satellite system and method of deploying same

Satellite system and method of deploying same

Method and system for determining a position of a transceiver in a...