Cheng D. Yu

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Scotch Plains, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Bidirectional video telephony using shared channels on coaxial cabl...
- Patent number 5,343,240
- Issue date Aug 30, 1994
- AT&T Bell Laboratories
- Cheng D. Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional video telephony between cable television and switched...
- Patent number 5,329,308
- Issue date Jul 12, 1994
- AT&T Bell Laboratories
- Walter P. Binns
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video telephony dialing
- Patent number 5,278,889
- Issue date Jan 11, 1994
- AT&T Bell Laboratories
- Andreas C. Papanicolaou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE