Paul Raymond Callens

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Cagnes sur Mer, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of reconstructing lost data in a digital voice transmission...
- Patent number 4,907,277
- Issue date Mar 6, 1990
- International Business Machines Corp.
- Paul Callens
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multirate digital transmission method and device for implementing s...
- Patent number 4,790,015
- Issue date Dec 6, 1988
- International Business Machines Corporation
- Paul Callens
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for transmitting digitized voice signals as packe...
- Patent number 4,630,262
- Issue date Dec 16, 1986
- International Business Machines Corp.
- Paul Callens
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and devices for inserting additional pattern in, or removing...
- Patent number 4,017,688
- Issue date Apr 12, 1977
- International Business Machines Corporation
- Paul Raymond Callens
- H04 - ELECTRIC COMMUNICATION TECHNIQUE