Inventor

Petrus J. Van Gerwen

Inventor

Eindhoven, NL

Overview

26→

Patents

1976–1994

Patent span

Electricity

Primary field (CPC H)

Patents· 26 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 communication38%

H04BTransmission30%

H03HImpedance networks, e.g. resonant circuits20%

G06FElectric digital data processing3%

H03CModulation3%

H03DDemodulation or transference of modulation from one carrier to another3%

H04MTelephonic communication3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

5,278,900'Digital echo canceller comprising a double-talk detector'1994 4,903,247'Digital echo canceller'1990 4,870,657'Data signal transmission system using decision feedback equalization'1989 4,856,026'Data transmission system comprising smearing filters'1989 4,835,765'Arrangement for full-duplex data transmission over two-wire circuits'1989 4,807,173'Frequency-domain block-adaptive digital filter'1989 4,768,206'Data transmission system'1988 4,672,633'Data transmission system'1987 4,660,216'Transmission system for the transmission of data signals in a modulation band'1987 4,573,169'Communication system for bi-phase transmission of data and having sinusoidal low pass frequency response'1986 4,464,746'Arrangement for correcting pulse distortion in homochronous data transmission'1984 4,362,909'Echo canceler with high-pass filter'1982 4,349,889'Non-recursive filter having adjustable step-size for each iteration'1982 4,317,212'Arrangement for checking the synchronization of a receiver'1982 4,313,203'Transmission system for the transmission of binary data symbols'1982 4,313,088'Arrangement for generating a clock signal'1982 4,130,806'Filter and demodulation arrangement'1978 4,125,866'Non-recursive discrete filter'1978 4,121,296'Digital signal processing arrangement'1978 4,117,277'Arrangement for simultaneous two-way data transmission over two-wire circuits'1978 4,034,160'System for the transmission of speech signals'1977 4,003,002'Modulation and filtering device'1977 3,990,022'System for automatic equalization'1976 3,988,607'Interpolating digital filter'1976 3,978,323'Apparatus for achieving predetermined transfer characteristics'1976 3,965,338'Apparatus for achieving a predetermined transfer characteristic'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1994Patents assigned to PHILIPS CORP (26)· patent assignee history

1976–1994Based in Eindhoven, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILIPS CORP	26	1976–1994

Locations

Location	Patents	Span
Eindhoven, NL	26	1976–1994