Inventor

Craig C. Todd

Inventor

Mill Valley, CA, US

Overview

33→

Patents

1984–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 33 as inventor

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

H04Sprimary

H04SStereophonic systems18%

H04NPictorial communication, e.g. television15%

G11BInformation storage based on relative movement between record carrier and transducer14%

H04BTransmission11%

G10LSpeech analysis techniques or speech synthesis10%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

G02BOptical elements, systems or apparatus5%

H03MCoding5%

H04HBroadcast communication5%

G06TImage data processing or generation, in general3%

PatentTitleYear

10,775,688Single and multi-modulator projector systems with global dimming2020 10,462,437High luminance projection displays and associated methods2019 10,234,754Single and multi-modulator projector systems with global dimming2019 9,958,762Single and multi-modulator projector systems with global dimming2018 9,462,215'Enhanced global dimming for projector display systems'2016 9,451,292'Method and system for backward compatible, extended dynamic range encoding of video'2016 9,117,385'Resolution management for multi-view display technologies'2015 6,085,163'Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching'2000 6,021,386'Coding method and apparatus for multiple channels of audio information representing three-dimensional sound fields'2000 6,016,295'Audio system which not only enables the application of the surround sytem standard to special playback uses but also easily maintains compatibility with a surround system'2000 5,913,190'Frame-based audio coding with video/audio data synchronization by audio sample rate conversion'1999 5,909,664'Method and apparatus for encoding and decoding audio information representing three-dimensional sound fields'1999 5,899,969'Frame-based audio coding with gain-control words'1999 5,896,358'Audio system which not only enables the application of the surround system standard to special playback uses but also easily maintains compatibility with a surround system'1999 5,873,065'Two-stage compression and expansion of coupling processed multi-channel sound signals for transmission and recording'1999 5,632,003'Computationally efficient adaptive bit allocation for coding method and apparatus'1997 5,632,005'Encoder/decoder for multidimensional sound fields'1997 5,583,962'Encoder/decoder for multidimensional sound fields'1996 5,581,653'Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder'1996 5,550,541'Compact source coding tables for encoder/decoder system'1996 5,451,954'Quantization noise suppression for encoder/decoder system'1995 5,402,124'Encoder and decoder with improved quantizer using reserved quantizer level for small amplitude signals'1995 5,400,433'Decoder for variable-number of channel presentation of multidimensional sound fields'1995 5,357,284'Compatible digital audio for NTSC television'1994 5,274,740'Decoder for variable number of channel presentation of multidimensional sound fields'1993 5,046,098'Variable matrix decoder with three output channels'1991 4,941,177'Variable matrix decoder'1990 4,799,260'Variable matrix decoder'1989 4,700,361'Spectral emphasis and de-emphasis'1987 4,700,362'A-D encoder and D-A decoder system'1987 4,656,633'Error concealment system'1987 4,577,305'Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore'1986 4,486,793'Reduction of crosstalk effects in modulated audio signals carried in adjacent tracks of recorded media'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2015Patents assigned to DOLBY LAB LICENSING CORP (25)· patent assignee history

1984–1987Based in Muir Beach, CA, US· patent location history

1987–2020Based in Mill Valley, CA, US· patent location history

1997–1999Patents assigned to DOLBY RAY MILTON (2)· patent assignee history

1999–2000Patents assigned to TOSHIBA KK (2)· patent assignee history

1999–2000Based in San Francisco, CA, US· patent location history

2000Based in San Bernardino, CA, US· patent location history

2015–2016Patents assigned to TODD CRAIG (2)· patent assignee history

2016–2020Patents assigned to DOLBY LABORATORIES LICENSING CORP (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DOLBY LAB LICENSING CORP	25	1984–2015
DOLBY LABORATORIES LICENSING CORP	6	2016–2020
DOLBY RAY MILTON	2	1997–1999
TODD CRAIGself	2	2015–2016
TOSHIBA KK	2	1999–2000

Locations

Location	Patents	Span
Mill Valley, California, US	26	1987–2020
Muir Beach, California, US	4	1984–1987
San Francisco, California, US	2	1999–2000
San Bernardino, California, US	1	2000