GB1410629A - Data encoding - Google Patents

Data encoding

Info

Publication number
GB1410629A
GB1410629A GB5857372A GB5857372A GB1410629A GB 1410629 A GB1410629 A GB 1410629A GB 5857372 A GB5857372 A GB 5857372A GB 5857372 A GB5857372 A GB 5857372A GB 1410629 A GB1410629 A GB 1410629A
Authority
GB
United Kingdom
Prior art keywords
signal
peaks
facsimile
level
alternate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5857372A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of GB1410629A publication Critical patent/GB1410629A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
  • Picture Signal Circuits (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB5857372A 1971-12-29 1972-12-19 Data encoding Expired GB1410629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21369771A 1971-12-29 1971-12-29

Publications (1)

Publication Number Publication Date
GB1410629A true GB1410629A (en) 1975-10-22

Family

ID=22796149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5857372A Expired GB1410629A (en) 1971-12-29 1972-12-19 Data encoding

Country Status (10)

Country Link
US (1) US3795765A (https=)
JP (1) JPS4874961A (https=)
BE (1) BE793549A (https=)
BR (1) BR7209076D0 (https=)
CA (1) CA993111A (https=)
DE (1) DE2261613C3 (https=)
FR (1) FR2166170B1 (https=)
GB (1) GB1410629A (https=)
IT (1) IT972847B (https=)
NL (1) NL7215755A (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL158671B (nl) * 1972-12-14 1978-11-15 Philips Nv Splitfase signaaldetector.
US3919476A (en) * 1974-05-30 1975-11-11 Xerox Corp Time dependent two-to-three level alternate encoding
DE2720079C3 (de) * 1977-05-05 1981-11-05 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Verbesserung der Bildqualität bei der Faksimile-Übertragung
JPS55138975A (en) * 1979-04-18 1980-10-30 Ricoh Co Ltd Color facsimile signal transmission system
US5113266A (en) * 1987-06-12 1992-05-12 Minolta Camera Kabushiki Kaisha Run length encoder
US5121197A (en) * 1989-02-23 1992-06-09 Minolta Camera Kabushiki Kaisha Method for processing half tone images to improve efficiency of data compression
US5946354A (en) * 1996-10-18 1999-08-31 International Business Machines Corporation Hard disk drive read channel with half speed timing
US7714831B2 (en) 2003-07-16 2010-05-11 Honeywood Technologies, Llc Background plateau manipulation for display device power conservation
US7663597B2 (en) * 2003-07-16 2010-02-16 Honeywood Technologies, Llc LCD plateau power conservation
US7580033B2 (en) * 2003-07-16 2009-08-25 Honeywood Technologies, Llc Spatial-based power savings
US7760210B2 (en) * 2005-05-04 2010-07-20 Honeywood Technologies, Llc White-based power savings
US7602408B2 (en) 2005-05-04 2009-10-13 Honeywood Technologies, Llc Luminance suppression power conservation
ES2912249T3 (es) 2015-09-21 2022-05-25 hyPHY USA Inc Sistema para transportar señales muestreadas a través de rutas electromagnéticas imperfectas
CN113708882B (zh) 2017-03-20 2024-03-29 Hyphy美国有限公司 通过多个电磁路径传输采样信号
US11716114B2 (en) 2020-11-25 2023-08-01 Hyphy Usa Inc. Encoder and decoder circuits for the transmission of video media using spread spectrum direct sequence modulation
US12335086B2 (en) 2021-07-12 2025-06-17 Hyphy Usa Inc. Spread-spectrum video transport with quadrature amplitude modulation
EP4367876A4 (en) 2021-08-12 2025-06-04 HYPHY USA Inc. DISTRIBUTION OF STEPPING SAMPLED SIGNALS AND TRANSMISSION VIA ELECTROMAGNETIC PATHWAYS
US11997415B2 (en) 2021-08-17 2024-05-28 Hyphy Usa Inc. Sampled analog storage system
US12531007B2 (en) 2023-02-21 2026-01-20 Hyphy Usa Inc. Analog video transport to a display panel and source driver integration with display panel
US12039951B2 (en) 2021-09-03 2024-07-16 Hyphy Usa Inc. Spread-spectrum video transport integration with display drivers
US12148354B2 (en) 2021-09-17 2024-11-19 Hyphy Usa Inc. Spread-spectrum video transport integration with virtual reality headset
US11769468B2 (en) 2022-01-19 2023-09-26 Hyphy Usa Inc. Spread-spectrum video transport integration with timing controller
US11842671B2 (en) 2022-03-07 2023-12-12 Hyphy Usa Inc. Spread-spectrum video transport source driver integration with display panel
CN119923854A (zh) 2022-08-16 2025-05-02 Hyphy美国有限公司 具有正交频分复用和ofdm视频传输的扩频视频传输

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6600491A (https=) * 1965-12-20 1967-07-17
US3538246A (en) * 1968-05-22 1970-11-03 Southern Pacific Transport Co Bandwidth reduction technique for analog signals
US3678194A (en) * 1971-01-26 1972-07-18 Us Army Digital data transmission and detection system

Also Published As

Publication number Publication date
FR2166170A1 (https=) 1973-08-10
FR2166170B1 (https=) 1984-04-06
DE2261613B2 (de) 1975-02-20
DE2261613C3 (de) 1979-03-15
BR7209076D0 (pt) 1973-10-11
NL7215755A (https=) 1973-02-26
CA993111A (en) 1976-07-13
US3795765A (en) 1974-03-05
BE793549A (fr) 1973-06-29
JPS4874961A (https=) 1973-10-09
DE2261613A1 (de) 1973-07-05
IT972847B (it) 1974-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee