FR818509A - Transmetteurs télégraphiques - Google Patents

Transmetteurs télégraphiques

Info

Publication number
FR818509A
FR818509A FR818509DA FR818509A FR 818509 A FR818509 A FR 818509A FR 818509D A FR818509D A FR 818509DA FR 818509 A FR818509 A FR 818509A
Authority
FR
France
Prior art keywords
telegraph transmitters
telegraph
transmitters
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.)
Creed and Co Ltd
Original Assignee
Creed and Co Ltd
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 Creed and Co Ltd filed Critical Creed and Co Ltd
Application granted granted Critical
Publication of FR818509A publication Critical patent/FR818509A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/02—Apparatus or circuits at the transmitting end
    • H04L17/12—Automatic transmitters, e.g. controlled by perforated tape
    • H04L17/14—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
FR818509D 1935-11-04 1936-11-03 Transmetteurs télégraphiques Expired FR818509A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48098A US2177077A (en) 1935-11-04 1935-11-04 Photoelectric transmitter

Publications (1)

Publication Number Publication Date
FR818509A true FR818509A (fr) 1937-09-28

Family

ID=21952712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818509D Expired FR818509A (fr) 1935-11-04 1936-11-03 Transmetteurs télégraphiques

Country Status (4)

Country Link
US (1) US2177077A (fr)
DE (1) DE731479C (fr)
FR (1) FR818509A (fr)
GB (1) GB472728A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418618A (en) * 1943-05-01 1947-04-08 Finch Telecommunications Inc High-speed tape facsimile system
NL67048C (fr) * 1945-02-14
US2658940A (en) * 1945-10-26 1953-11-10 Western Union Telegraph Co Optical scanning device
US2592779A (en) * 1945-10-26 1952-04-15 Western Union Telegraph Co Tape controlled telegraph transmitter
US2600817A (en) * 1945-12-10 1952-06-17 Victoreen Instr Company Method and apparatus for photoelectrically assorting, recording, or computing
US2565266A (en) * 1947-06-20 1951-08-21 Teletype Corp High-speed photoelectric transmitter
DE855873C (de) * 1949-09-22 1952-11-17 Siemens Ag Fernschreibsender
DE1176178B (de) * 1959-09-28 1964-08-20 Teleprinter Corp Verfahren und Vorrichtung zur Vermeidung von Fehlern beim Maschinensenden von telegraphischen Nachrichten, wobei vorlaeufig die Nachricht in konventionellen Schriftzeichen und gleichzeitig in Codezeichen gedruckt wird
US3097302A (en) * 1961-03-03 1963-07-09 Wayne George Corp Photosensitive modular shaft position encoder
US3728521A (en) * 1970-09-29 1973-04-17 Bliss & Laughlin Ind Encoded card employing fiber optic elements

Also Published As

Publication number Publication date
US2177077A (en) 1939-10-24
GB472728A (en) 1937-09-29
DE731479C (de) 1943-02-17

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