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Pierre Chevillat
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Kilchberg, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Geolocation subsystem
Patent number
6,823,284
Issue date
Nov 23, 2004
International Business Machines Corporation
Fritz Gfeller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet data transmission in code-division multiple access communica...
Patent number
6,181,683
Issue date
Jan 30, 2001
International Business Machines Corp.
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive noise-predictive partial-response equalization for channel...
Patent number
5,784,415
Issue date
Jul 21, 1998
International Business Machines Corporation
Pierre Chevillat
G11 - INFORMATION STORAGE
Information
Patent Grant
Block coding scheme for fractional-bit transmission
Patent number
5,113,401
Issue date
May 12, 1992
International Business Machines Corporation
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process of synchronizing a receiving modem after a training on data
Patent number
5,058,134
Issue date
Oct 15, 1991
International Business Machines Corp.
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fully adaptive modem receiver using whitening matched filtering
Patent number
5,031,195
Issue date
Jul 9, 1991
International Business Machines Corporation
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for rapid gain acquisition in a modem receiver
Patent number
4,775,988
Issue date
Oct 4, 1988
International Business Machines Corporation
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and arrangement for detecting the presence of a training sig...
Patent number
4,674,103
Issue date
Jun 16, 1987
International Business Machines Corp.
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Microprocessor including means for concurrently copying ALU results...
Patent number
4,615,004
Issue date
Sep 30, 1986
International Business Machines Corporation
Pierre R. Chevillat
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for performing division with an extended range...
Patent number
4,607,343
Issue date
Aug 19, 1986
International Business Machines Corp.
Pierre Chevillat
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Arithmetic device for concurrently summing two series of products f...
Patent number
4,490,807
Issue date
Dec 25, 1984
International Business Machines Corporation
Pierre R. Chevillat
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of transmitting binary data sequences and arrangement for en...
Patent number
4,447,908
Issue date
May 8, 1984
International Business Machines Corporation
Pierre R. Chevillat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Document card containing information in holographic form
Patent number
4,400,616
Issue date
Aug 23, 1983
International Business Machines Corporation
Pierre R. Chevillat
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Arrangement for determining the optimum scan angle for printed docu...
Patent number
4,338,588
Issue date
Jul 6, 1982
International Business Machines Corporation
Pierre Chevillat
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Geolocation subsystem
Publication number
20030222817
Publication date
Dec 4, 2003
International Business Machines Corporation
Fritz Gfeller
H04 - ELECTRIC COMMUNICATION TECHNIQUE