Inventor

Andrew Bateman

Inventor

Bath, GB

Overview

1987–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 16 as inventor

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

H04Bprimary

H04BTransmission35%

H03FAmplifiers30%

H03CModulation10%

H04LTransmission of digital information, e.g. telegraphic communication10%

G01VGeophysics5%

H03JTuning resonant circuits5%

H04QSelecting5%

PatentTitleYear

6,701,133'Apparatus for and method of synchronising oscillators within a data communication system'2004 6,580,320'Signal processing apparatus'2003 6,381,286'Cartesian loop transmitter'2002 6,229,992'Full-duplex radio transmitter/receiver'2001 5,939,951'Methods and apparatus for modulating, demodulating and amplifying'1999 5,787,079'Method and apparatus for creating multiple subchannels in a single two-way radio channel'1998 5,719,527'Method and apparatus for amplifying, modulating and demodulating'1998 5,334,946'Apparatus and method for reducing distortion in amplification'1994 5,157,345'Apparatus and method for reducing distortion in amplification'1992 RE034036'Data transmission using a transparent tone-in band system'1992 5,134,630'Method and apparatus for transparent tone-in-band transmitter, receiver and system processing'1992 4,947,453'Transparent tone-in band transmitters, receivers and systems'1990 4,802,191'Data transmission using a transparent tone-in band system'1989 4,792,985'Transmitters and systems for tone-in-band transmission'1988 4,691,375'Data transmission using a transparent tone-in band system'1987 4,679,243'Data transmission using a transparent tone-in band system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to NAT RES DEV (7)· patent assignee history

1987–2004Based in Bath, GB· patent location history

1987–1992Based in Avon, GB· patent location history

1994–1998Patents assigned to BRITISH TECH GROUP (2)· patent assignee history

1998Based in Bathe, GB· patent location history

1998Based in Limpley Stoke, GB· patent location history

1999Patents assigned to BTG INT LTD (1)· patent assignee history

2001–2002Patents assigned to UNIV BRISTOL (2)· patent assignee history

2003Patents assigned to ANDREW CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NAT RES DEV	7	1987–1992
BRITISH TECH GROUP	2	1994–1998
UNIV BRISTOL	2	2001–2002
ANDREW CORP	1	2003
BTG INT LTD	1	1999

Locations

Location	Patents	Span
Bath, GB	12	1987–2004
Avon, GB	2	1987–1992
Bathe, GB	1	1998
Limpley Stoke, GB	1	1998