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Inventor

Ian G. Fobbester

Inventor
Gloucestershire, GB

Overview

5→
Patents
1992–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses38%
H04BTransmission25%
H03JTuning resonant circuits13%
H03KPulse technique13%
H04LTransmission of digital information, e.g. telegraphic communication13%
PatentTitleYear
5,874,862'Phase-locked loops having two amplifiers for driving a vco'19995,663,989'Control arrangements for digital radio receivers'19975,587,681'DC restoration circuit'19965,239,455'Charge pump circuit'19935,157,341'Phase detector'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to PLESSEY OVERSEAS (1)· patent assignee history
1992–1999Based in Fairford, GB· patent location history
1993–1999Patents assigned to PLESSEY SEMICONDUCTORS LTD (4)· patent assignee history
1993–1997Based in Gloucestershire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PLESSEY SEMICONDUCTORS LTD41993–1999
PLESSEY OVERSEAS11992
Locations
LocationPatentsSpan
Gloucestershire, GB31993–1997
Fairford, GB21992–1999