Inventor

Pierre R. Chevillat

Inventor

Kilchberg, CH

Overview

1982–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication30%

G06FElectric digital data processing11%

H03HImpedance networks, e.g. resonant circuits7%

H04JMultiplex communication7%

H04WWireless communication networks7%

G01SRadio direction-finding4%

G03HHolographic processes or apparatus4%

G06KGraphical data reading4%

G06VImage or video recognition or understanding4%

G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing4%

PatentTitleYear

6,823,284'Geolocation subsystem'2004 6,181,683'Packet data transmission in code-division multiple access communication systems'2001 5,784,415'Adaptive noise-predictive partial-response equalization for channels with spectral nulls'1998 5,113,401'Block coding scheme for fractional-bit transmission'1992 5,058,134'Process of synchronizing a receiving modem after a training on data'1991 5,031,195'Fully adaptive modem receiver using whitening matched filtering'1991 4,775,988'Method for rapid gain acquisition in a modem receiver'1988 4,674,103'Method and arrangement for detecting the presence of a training signal in a modem receiver'1987 4,615,004'Microprocessor including means for concurrently copying ALU results into selected operand register subsets and at least one main memory locations'1986 4,607,343'Apparatus and method for performing division with an extended range of variables'1986 4,490,807'Arithmetic device for concurrently summing two series of products from two sets of operands'1984 4,447,908'Method of transmitting binary data sequences and arrangement for enabling the rapid determination of the end of a transmitted binary data sequence'1984 4,400,616'Document card containing information in holographic form'1983 4,338,588'Arrangement for determining the optimum scan angle for printed documents'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2004Patents assigned to IBM (14)· patent assignee history

1982–1986Based in Adliswil, CH· patent location history

1987–2004Based in Kilchberg, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	14	1982–2004

Locations

Location	Patents	Span
Kilchberg, CH	8	1987–2004
Adliswil, CH	6	1982–1986