Inventor

James A. Wilber

Inventor

Indianapolis, IN, US

Overview

41→

Patents

1981–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 41 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television68%

H03KPulse technique11%

G11BInformation storage based on relative movement between record carrier and transducer9%

H01JElectric discharge tubes or discharge lamps4%

G06GAnalogue computers2%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner2%

H03CModulation2%

H03GControl of amplification2%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%

PatentTitleYear

7,183,713'Auxiliary coil driver circuit for a cathode ray tube'2007 6,894,731'Raster distortion correction arrangement'2005 6,614,193'Deflection current modulation circuit'2003 6,580,232'Dynamic focus voltage amplitude controller'2003 6,400,409'Control of horizontal frequency selection'2002 6,313,590'Compensation of vertical deflection'2001 6,256,074'Control signal generator for dynamic focus disabling'2001 6,233,020'Phase lock loop with selectable response'2001 6,229,401'Horizontal frequency generation'2001 5,883,477'Pincushion control circuit'1999 5,777,685'Deflection signal pulse shaper circuit'1998 5,739,638'Bus controlled arrangement using a duty cycle modulated control signal in a CRT'1998 5,703,445'Sawtooth generator with disturbance signal rejection for a deflection apparatus'1997 5,614,793'Deflection circuit responsive to differential sawtooth signals'1997 5,587,631'Resistor-matched deflection apparatus for a video display'1996 5,369,341'Vertical retrace with zoom and centered fast retrace'1994 5,359,267'Vertical deflection with vertical shrink mode'1994 5,345,152'Vertical deflection S-correction with picture height compensation'1994 5,264,762'Picture height adjustment arrangement for a video display'1993 5,243,263'Service adjustment arrangement for a sawtooth generator of a video display'1993 5,229,854'Vertical sync separator'1993 5,229,692'Vertical deflection arrangement with S-correction'1993 5,220,253'Service switch for video display deflection apparatus'1993 5,179,321'Centering circuit'1993 5,177,413'Arrangement for generating a beam current indicative signal'1993 5,111,122'Video display high voltage protection circuit'1992 5,089,755'Vertical deflection circuit'1992 5,043,637'Transformer coupled voltage clamp for pincushion correction circuit'1991 4,999,549'Switched mode vertical deflection system and control circuit'1991 4,965,495'Parabolic voltage generating circuit'1990 4,916,366'Power supply protection circuit'1990 4,843,285'Vertical tracking circuit'1989 4,795,949'Deflection current correction circuit'1989 4,694,226'Vertical deflection circuit with service mode operation'1987 4,484,174'Video disc player having improved squelch system'1984 4,313,062'Bidirectional deflector driver for video disc'1982 4,286,290'Fast recovery squelch circuit for a video disc player'1981 4,286,235'VFO having plural feedback loops'1981 4,286,282'Periodically biased video disc player servo system'1981 4,277,695'Amplifier having dead zone of controllable width and position'1981 4,247,866'Nested loop video disc servo system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1987Patents assigned to RCA CORP (8)· patent assignee history

1981–2007Based in Indianapolis, IN, US· patent location history

1989–2001Patents assigned to THOMSON CONSUMER ELECTRONICS (22)· patent assignee history

1989–1991Patents assigned to RCA LICENSING CORP (3)· patent assignee history

2001–2005Patents assigned to THOMSON LICENSING SA (7)· patent assignee history

2007Patents assigned to THOMSON LICENSING (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
THOMSON CONSUMER ELECTRONICS	22	1989–2001
RCA CORP	8	1981–1987
THOMSON LICENSING SA	7	2001–2005
RCA LICENSING CORP	3	1989–1991
THOMSON LICENSING	1	2007

Locations

Location	Patents	Span
Indianapolis, IN, US	41	1981–2007