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Howard W. Johnson
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Santa Clara, CA, US
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last 30 patents
Information
Patent Grant
Encoding/detection method for digital data transmitter with a signa...
Patent number
6,031,472
Issue date
Feb 29, 2000
And Yet, Inc.
Howard W. Johnson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for synchronized transmission of data between...
Patent number
5,640,605
Issue date
Jun 17, 1997
3COM Corporation
Howard W. Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for implementing a type 8B6T encoder and decoder
Patent number
5,525,983
Issue date
Jun 11, 1996
3COM Corporation
Sandeep Patel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power line communication while avoiding determinable interference h...
Patent number
5,404,127
Issue date
Apr 4, 1995
Echelon Corporation
Chin-Chen Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconstruction of signals using redundant channels
Patent number
5,355,114
Issue date
Oct 11, 1994
Echelon Corporation
Philip H. Sutterlin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission mode detection in a modulated communication system
Patent number
5,289,476
Issue date
Feb 22, 1994
Echelon Corporation
Howard W. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive carrier detection
Patent number
5,260,974
Issue date
Nov 9, 1993
Echelon Corporation
Howard W. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for power line communications
Patent number
5,257,006
Issue date
Oct 26, 1993
Echelon Corporation
Martin H. Graham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for reducing errors in data caused by noise
Patent number
5,210,518
Issue date
May 11, 1993
Echelon Corporation
Martin H. Graham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Binary data error correction using hint signal
Patent number
5,195,098
Issue date
Mar 16, 1993
Echelon Corporation
Howard W. Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for high speed phase detection
Patent number
5,053,649
Issue date
Oct 1, 1991
Ultra Network Technologies
Howard W. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time division multiplexed computerized branch exchange
Patent number
4,627,050
Issue date
Dec 2, 1986
Rolm Corporation
Howard W. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE