To R. Hsing

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Sudbury, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Framed digital voice summing for teleconferencing
- Patent number 4,658,398
- Issue date Apr 14, 1987
- GTE Laboratories Incorporated
- To R. Hsing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital voice summing for teleconferencing
- Patent number 4,648,089
- Issue date Mar 3, 1987
- GTE Laboratories, Inc.
- To R. Hsing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive thresholder
- Patent number 4,468,704
- Issue date Aug 28, 1984
- Xerox Corporation
- James C. Stoffel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Raster output scanner having a full width electro-mechanical modulator
- Patent number 4,454,547
- Issue date Jun 12, 1984
- Xerox Corporation
- Kwok L. Yip
- G06 - COMPUTING CALCULATING COUNTING