CH235870A - Emetteur télégraphique à clavier. - Google Patents

Emetteur télégraphique à clavier.

Info

Publication number
CH235870A
CH235870A CH235870DA CH235870A CH 235870 A CH235870 A CH 235870A CH 235870D A CH235870D A CH 235870DA CH 235870 A CH235870 A CH 235870A
Authority
CH
Switzerland
Prior art keywords
keypad
telegraph transmitter
telegraph
transmitter
keypad telegraph
Prior art date
Application number
Other languages
English (en)
Inventor
Limited Creed And Company
Original Assignee
Creed & 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 & Co Ltd filed Critical Creed & Co Ltd
Publication of CH235870A publication Critical patent/CH235870A/fr

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
    • 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
    • H04L17/04—Apparatus or circuits at the transmitting end with keyboard co-operating with code-bars
    • H04L17/06—Contact operating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
CH235870D 1938-01-10 1939-01-06 Emetteur télégraphique à clavier. CH235870A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US184138A US2234832A (en) 1938-01-10 1938-01-10 Photoelectric transmitter

Publications (1)

Publication Number Publication Date
CH235870A true CH235870A (fr) 1944-12-31

Family

ID=22675705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH235870D CH235870A (fr) 1938-01-10 1939-01-06 Emetteur télégraphique à clavier.

Country Status (4)

Country Link
US (1) US2234832A (fr)
CH (1) CH235870A (fr)
FR (1) FR848183A (fr)
GB (1) GB508650A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751148A (en) * 1956-06-19 H allen ctal
US2658940A (en) * 1945-10-26 1953-11-10 Western Union Telegraph Co Optical scanning device
US2432527A (en) * 1945-10-27 1947-12-16 Sidney Robert Gordon Keyboard control system
US2727683A (en) * 1946-01-11 1955-12-20 Philip H Allen Registers
USRE25621E (en) * 1946-01-11 1964-07-21 Registers
US2482242A (en) * 1948-06-09 1949-09-20 Remington Rand Inc Code selector

Also Published As

Publication number Publication date
GB508650A (en) 1939-07-04
US2234832A (en) 1941-03-11
FR848183A (fr) 1939-10-24

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