Inventor

Peter E. Haferl

Inventor

Adliswil, CH

Overview

1976–2001

Patent span

Electricity

Primary field (CPC H)

Patents· 56 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television60%

H03KPulse technique17%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

G01RMeasuring electric variables2%

G09GArrangements or circuits for control of indicating devices using static means to present variable information2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%

C01BNon-metallic elements1%

C07CAcyclic or carbocyclic compounds1%

H01JElectric discharge tubes or discharge lamps1%

PatentTitleYear

6,236,436'Width and phase control of blanking pulse'2001 5,945,791'High voltage system'1999 5,841,248'Charge controlled raster correction circuit'1998 5,661,375'Inner raster distortion correction circuit'1997 5,402,044'Raster distortion avoidance arrangement'1995 5,399,945'Raster distortion correction circuit'1995 5,313,294'Beam current limiting arrangement having a peak amplitude, responsive threshold'1994 5,287,042'Display aspect ratio adaptation'1994 5,266,871'High voltage stabilization circuit for video display apparatus'1993 5,182,504'Raster distortion avoidance arrangement'1993 5,115,171'Raster distortion correction circuit'1992 5,111,120'Raster corrected vertical deflection circuit'1992 5,083,198'Nonlinear RGB video signal processing'1992 4,965,496'Protection arrangement of a deflection circuit'1990 4,906,902'Raster distortion corrected deflection circuit'1990 4,907,116'Power supply fault protection circuit'1990 4,866,353'Arrangement for reducing ringing in a flyback transformer'1989 4,829,415'Push-pull drive circuit for a power converter'1989 4,812,720'High voltage stabilization circuit for video display apparatus'1989 4,794,307'Raster distortion correction for a deflection circuit'1988 4,782,269'Sawtooth generator with s-correction'1988 4,780,648'Deflection apparatus'1988 4,737,881'Resonant degaussing apparatus'1988 4,719,392'Raster correction circuit'1988 4,687,972'Raster distortion correction circuitry for a video display apparatus that includes a square-planar picture tube'1987 4,682,085'Gullwing distortion corrected deflection circuitry for a square-planar picture tube'1987 4,668,897'North-south pincushion corrected deflection circuit'1987 4,634,938'Linearity corrected deflection circuit'1987 4,634,937'East-west correction circuit'1987 4,604,556'Television receiver load compensation circuit'1986 4,594,534'Horizontal deflection circuit with raster distortion correction'1986 4,572,993'Television deflection circuit with raster width stabilization'1986 4,565,949'Television raster distortion correction circuit'1986 4,563,618'S-Corrected deflection circuit'1986 4,547,708'Variable picture size circuit for a television receiver'1985 4,544,864'Switched vertical deflection circuit with bidirectional power supply'1985 4,532,457'Television receiver standby circuit'1985 4,516,058'Linearity corrected horizontal deflection circuit'1985 4,488,181'Electron beam suppression circuit for a television receiver'1984 4,484,113'Regulated deflection circuit'1984 4,468,593'Horizontal drive and nonlinearity correction circuit'1984 4,429,257'Variable horizontal deflection circuit capable of providing east-west pincushion correction'1984 4,338,549'Vertical deflection circuit'1982 4,232,254'Regulated deflection circuit'1980 4,223,251'Deflection circuit with retrace control'1980 4,177,392'Current switching networks'1979 4,129,806'Correction circuit for load dependent raster distortion'1978 4,101,814'Side pincushion distortion correction circuit'1978 4,096,415'Switched vertical deflection circuit'1978 4,088,931'Pincushion correction circuit'1978 4,081,721'Conduction overlap control circuit for switched output stages'1978 4,081,722'Signal processor for switched vertical deflection system'1978 4,079,293'Switched mode vertical amplifier with elimination of feedback ringing'1978 4,048,544'Switched vertical deflection system'1977 4,041,354'Pincushion correction circuit'1977 3,980,927'Deflection circuit'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to RCA CORP (34)· patent assignee history

1976–2001Based in Adliswil, CH· patent location history

1977–1979Based in Zurich, CH· patent location history

1988–1992Patents assigned to RCA LICENSING CORP (10)· patent assignee history

1988Patents assigned to HAFERL PETER E (1)· patent assignee history

1992–1999Patents assigned to RCA THOMSON LICENSING CORP (10)· patent assignee history

1995Based in Adiswil, CH· patent location history

2001Patents assigned to THOMSON LICENSING SA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RCA CORP	34	1976–1988
RCA LICENSING CORP	10	1988–1992
RCA THOMSON LICENSING CORP	10	1992–1999
HAFERL PETER Eself	1	1988
THOMSON LICENSING SA	1	2001

Locations

Location	Patents	Span
Adliswil, CH	50	1976–2001
Zurich, CH	5	1977–1979
Adiswil, CH	1	1995