FR2034901A7 - - Google Patents

Info

Publication number
FR2034901A7
FR2034901A7 FR7008963A FR7008963A FR2034901A7 FR 2034901 A7 FR2034901 A7 FR 2034901A7 FR 7008963 A FR7008963 A FR 7008963A FR 7008963 A FR7008963 A FR 7008963A FR 2034901 A7 FR2034901 A7 FR 2034901A7
Authority
FR
France
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
FR7008963A
Other languages
French (fr)
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.)
Electronic Image Systems Corp
Original Assignee
Electronic Image Systems 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 Electronic Image Systems Corp filed Critical Electronic Image Systems Corp
Application granted granted Critical
Publication of FR2034901A7 publication Critical patent/FR2034901A7/fr
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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7008963A 1969-03-13 1970-03-12 Expired FR2034901A7 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80681069A 1969-03-13 1969-03-13

Publications (1)

Publication Number Publication Date
FR2034901A7 true FR2034901A7 (OSRAM) 1970-12-18

Family

ID=25194896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7008963A Expired FR2034901A7 (OSRAM) 1969-03-13 1970-03-12

Country Status (7)

Country Link
US (1) US3646257A (OSRAM)
BE (1) BE747350A (OSRAM)
CA (1) CA922635A (OSRAM)
DE (1) DE2011801A1 (OSRAM)
FR (1) FR2034901A7 (OSRAM)
GB (1) GB1292682A (OSRAM)
NL (1) NL7003185A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308262A1 (fr) * 1975-04-15 1976-11-12 Siemens Ag Procede de codage de signaux electriques, qui sont obtenus lors de l'exploration d'un modele graphique, dont le contenu est forme par le melange d'un texte et d'une image
FR2369760A1 (fr) * 1976-10-29 1978-05-26 Oki Electric Ind Co Ltd Procede et dispositif de compression de fac-simile
EP0149124A3 (en) * 1984-01-16 1987-08-19 International Business Machines Corporation Method for encoding and decoding a digital image
US4725815A (en) * 1984-01-16 1988-02-16 International Business Machines Corporation Method for encoding and decoding a digital image

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843817A (OSRAM) * 1971-10-07 1973-06-25
US3781847A (en) * 1971-11-12 1973-12-25 Den Bosch F Van Selective information retrieval systems
US4034406A (en) * 1971-11-29 1977-07-05 Matsushita Electric Industrial Co., Ltd. Facsimile signal transmission system
US3751582A (en) * 1971-12-08 1973-08-07 Addressograph Multigraph Stored program facsimile control system
JPS539888B2 (OSRAM) * 1973-11-01 1978-04-10
US3935379A (en) * 1974-05-09 1976-01-27 General Dynamics Corporation Method of and system for adaptive run length encoding of image representing digital information
JPS5564445A (en) * 1978-11-08 1980-05-15 Nec Corp Code converter circuit
FR2504456B1 (fr) * 1981-04-27 1991-07-19 Canon Kk Appareil d'impression pour la copie d'originaux
US4899394A (en) * 1986-05-09 1990-02-06 Prodigy Systems Corporation Apparatus and method for image compression

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978535A (en) * 1960-01-28 1961-04-04 Bell Telephone Labor Inc Optimal run length coding of image signals
US3204026A (en) * 1962-04-30 1965-08-31 William J Casey Narrow bandwidth scanning system
US3189873A (en) * 1962-08-09 1965-06-15 Control Data Corp Scanning pattern normalizer
US3347981A (en) * 1964-03-18 1967-10-17 Polaroid Corp Method for transmitting digital data in connection with document reproduction system
US3560639A (en) * 1966-10-03 1971-02-02 Xerox Corp Cascade run length encoding technique
US3459888A (en) * 1968-01-02 1969-08-05 Xerox Corp Selective photocopier

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308262A1 (fr) * 1975-04-15 1976-11-12 Siemens Ag Procede de codage de signaux electriques, qui sont obtenus lors de l'exploration d'un modele graphique, dont le contenu est forme par le melange d'un texte et d'une image
FR2369760A1 (fr) * 1976-10-29 1978-05-26 Oki Electric Ind Co Ltd Procede et dispositif de compression de fac-simile
EP0149124A3 (en) * 1984-01-16 1987-08-19 International Business Machines Corporation Method for encoding and decoding a digital image
US4725815A (en) * 1984-01-16 1988-02-16 International Business Machines Corporation Method for encoding and decoding a digital image

Also Published As

Publication number Publication date
GB1292682A (en) 1972-10-11
NL7003185A (OSRAM) 1970-09-15
US3646257A (en) 1972-02-29
CA922635A (en) 1973-03-13
BE747350A (fr) 1970-08-17
DE2011801A1 (de) 1970-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property