Inventor

Christopher H. Strolle

Inventor

Glenside, PA, US

Overview

1983–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 80 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television38%

H04LTransmission of digital information, e.g. telegraphic communication26%

G06FElectric digital data processing5%

G11BInformation storage based on relative movement between record carrier and transducer5%

G11CStatic stores5%

H04BTransmission5%

G06TImage data processing or generation, in general4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

H03DDemodulation or transference of modulation from one carrier to another2%

H03JTuning resonant circuits2%

PatentTitleYear

10,063,398Overlay modulation technique of COFDM signals based on amplitude offsets2018 9,473,335'Overlay modulation technique for COFDM signals based on amplitude offsets'2016 8,923,429'Overlay modulation of COFDM using phase and amplitude offset carriers'2014 8,391,132'Slow speed mute resistance via selective COFDM bin loading'2013 8,306,145'Overlay modulation of COFDM using phase and amplitude offset carriers'2012 8,184,743'Overlay modulation technique for COFDM signals based on amplitude offsets'2012 7,742,750'Systems and methods for antenna diversity combining for satellite radio signals'2010 7,349,469'DC offset correction for constant modulus equalization'2008 7,194,047'Receiver for robust data extension for 8VSB signaling'2007 7,113,539'Method and apparatus for performing bandedge equalization'2006 7,031,405'Carrier phase estimation based on single-axis constant modulus cost criterion and Bussgang criteria'2006 7,027,500'Linear prediction based initialization of a single-axis blind equalizer for VSB signals'2006 7,006,565'Hybrid soft and hard decision feedback equalizer'2006 6,985,549'Blind cost criterion timing recovery'2006 6,970,523'Diversity receiver with joint automatic gain control signal processing'2005 6,937,677'Diversity receiver with joint phase locked loop filter'2005 6,870,892'Diversity receiver with joint baud clock recovery'2005 6,850,563'Data slicer for combined trellis decoding and equalization'2005 6,668,014'Equalizer method and apparatus using constant modulus algorithm blind equalization and partial decoding'2003 6,560,299'Diversity receiver with joint signal processing'2003 6,426,972'Reduced complexity equalizer for multi mode signaling'2002 6,418,164'Adaptive equalizer with enhanced error quantization'2002 6,337,878'Adaptive equalizer with decision directed constant modulus algorithm'2002 6,253,022'Video signal encoded with additional detail information'2001 6,246,827'Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal'2001 6,178,209'Method of estimating trellis encoded symbols utilizing simplified trellis decoding'2001 6,154,503'Automatic gain control system that responds to baseband signal distortion'2000 6,134,373'System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium'2000 6,104,863'Video signal encoded with additional detail information'2000 6,005,640'Multiple modulation format television signal receiver system'1999 5,894,334'Carrier recovery system for a vestigial sideband signal'1999 5,872,815'Apparatus for generating timing signals for a digital television signal receiver'1999 5,870,522'Backward compatible HDTV recording/reproducing system'1999 5,845,039'Time-base correction in a video recording/playback system'1998 5,835,532'Blind equalizer for a vestigial sideband signal'1998 5,822,490'Apparatus and method for color-under chroma channel encoded with a high frequency luminance signal'1998 5,805,242'Carrier independent timing recovery system for a vestigial sideband modulated signal'1998 5,799,037'Receiver capable of demodulating multiple digital modulation formats'1998 5,757,855'Data detection for partial response channels'1998 5,745,635'Adaptive deemphasis and reemphasis of high frequencies in video tape recording, utilizing a recorded control signal'1998 5,706,057'Phase detector in a carrier recovery network for a vestigial sideband signal'1998 5,673,355'Deemphasis & Subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal'1997 5,635,995'Dual chrominance signal processor for combined TV/VCR systems'1997 5,623,573'Backward compatible HDTV recording/reproducing system'1997 5,619,154'Numerical voltage controlled oscillator'1997 5,596,418'Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal'1997 5,588,025'Single oscillator compressed digital information receiver'1996 5,576,837'Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity'1996 5,574,565'Data placement on tape for a digital video tape recorder suitable for high speed picture playback'1996 5,550,596'Digital television signal processing system including a co-channel rejection filter'1996 5,533,138'Image compression encoding and decoding method and apparatus therefor'1996 5,532,820'Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity'1996 5,526,131'Data coding for a digital video tape recorder suitable for high speed picture playback'1996 5,511,099'Passband sync block recovery'1996 5,500,739'Frequency-multiplexing FM luma signal with color and 2nd under signals having overlapping frequency spectra'1996 5,430,497'Removal of the folding carrier and sidebands from an unfolded video signal'1995 5,412,481'Time-base correction in a video recording/playback system'1995 5,398,143'Data placement on tape for a digital video tape recorder suitable for high speed picture playback'1995 5,386,249'Video motion detector with full-band response except for diagonal spatial frequencies'1995 5,365,281'Motion signal detecting circuit'1994 5,355,227'Linear-phase filtering for playback of recorded folded-spectrum video'1994 5,321,507'Motion signal detecting circuit'1994 5,274,464'Spatial filter for improved VHS system'1993 5,267,035'Motion detection for video including that obtained from film'1993 5,218,449'Nervous clock signal generator for video recorder'1993 5,113,262'Video signal recording system enabling limited bandwidth recording and playback'1992 4,914,507'Video signal time expansion/compression apparatus using programmed output values'1990 4,816,899'Compatible widescreen television system'1989 4,683,490'Video signal processing apparatus'1987 4,661,850'Progressive scan television system with interlaced inter-field sum and difference components'1987 4,656,467'TV graphic displays without quantizing errors from compact image memory'1987 4,597,007'Circuitry for correcting frame combed luminance signal for motion induced distortion'1986 4,471,349'Phantom raster generating apparatus scanning TV image memory in angular and orthogonal coordinates'1984 4,462,024'Memory scanning address generator'1984 4,460,958'Window-scanned memory'1984 4,446,529'Linear interpolation between regularly spaced digital samples'1984 4,442,545'Compaction of television display graphics in phantom-raster-scanned image memory'1984 4,434,437'Generating angular coordinate of raster scan of polar-coordinate addressed memory'1984 4,432,009'Video pre-filtering in phantom raster generating apparatus'1984 4,415,928'Calculation of radial coordinates of polar-coordinate raster scan'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1987Patents assigned to RCA CORP (12)· patent assignee history

1983–1984Based in Philadelphia, PA, US· patent location history

1984–2006Based in Glenside, PA, US· patent location history

1987–1999Based in Montgomery, PA, US· patent location history

1992–2001Patents assigned to SAMSUNG ELECTRONICS CO LTD (29)· patent assignee history

1993–1995Based in Lawrenceville, NJ, US· patent location history

1996–1998Patents assigned to SARNOFF DAVID RES CENTER (5)· patent assignee history

2003–2007Patents assigned to ATI TECHNOLOGIES INC (6)· patent assignee history

2005–2018Based in Fort Washington, PA, US· patent location history

2010–2018Patents assigned to SIRIUS XM RADIO INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	29	1992–2001
RCA CORP	12	1983–1987
SIRIUS XM RADIO INC	7	2010–2018
ATI TECHNOLOGIES INC	6	2003–2007
SARNOFF DAVID RES CENTER	5	1996–1998

Locations

Location	Patents	Span
Glenside, Pennsylvania, US	55	1984–2006
Fort Washington, Pennsylvania, US	13	2005–2018
Philadelphia, Pennsylvania, US	7	1983–1984
Montgomery, Pennsylvania, US	3	1987–1999
Lawrenceville, New Jersey, US	2	1993–1995