FR762226A - Système de transmission pour fac-similé - Google Patents

Système de transmission pour fac-similé

Info

Publication number
FR762226A
FR762226A FR762226DA FR762226A FR 762226 A FR762226 A FR 762226A FR 762226D A FR762226D A FR 762226DA FR 762226 A FR762226 A FR 762226A
Authority
FR
France
Prior art keywords
facsimile
transmission system
transmission
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR762226A publication Critical patent/FR762226A/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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Traffic Control Systems (AREA)
FR762226D 1932-09-30 1933-09-30 Système de transmission pour fac-similé Expired FR762226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US635522A US1977380A (en) 1932-09-30 1932-09-30 High speed keyer

Publications (1)

Publication Number Publication Date
FR762226A true FR762226A (fr) 1934-04-07

Family

ID=24548127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR762226D Expired FR762226A (fr) 1932-09-30 1933-09-30 Système de transmission pour fac-similé

Country Status (4)

Country Link
US (1) US1977380A (fr)
DE (1) DE640741C (fr)
FR (1) FR762226A (fr)
GB (1) GB405227A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477307A (en) * 1946-11-09 1949-07-26 Mackta Leo Combined x-ray and fluoroscopic apparatus

Also Published As

Publication number Publication date
DE640741C (de) 1937-01-11
US1977380A (en) 1934-10-16
GB405227A (en) 1934-02-01

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