GB508650A - Photo-electric telegraph transmitter - Google Patents

Photo-electric telegraph transmitter

Info

Publication number
GB508650A
GB508650A GB34358/38A GB3435838A GB508650A GB 508650 A GB508650 A GB 508650A GB 34358/38 A GB34358/38 A GB 34358/38A GB 3435838 A GB3435838 A GB 3435838A GB 508650 A GB508650 A GB 508650A
Authority
GB
United Kingdom
Prior art keywords
photo
telegraph transmitter
electric telegraph
electric
transmitter
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
GB34358/38A
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
Publication of GB508650A publication Critical patent/GB508650A/en
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
    • 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)
GB34358/38A 1938-01-10 1938-11-25 Photo-electric telegraph transmitter Expired GB508650A (en)

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
GB508650A true GB508650A (en) 1939-07-04

Family

ID=22675705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34358/38A Expired GB508650A (en) 1938-01-10 1938-11-25 Photo-electric telegraph transmitter

Country Status (4)

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

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
USRE25621E (en) * 1946-01-11 1964-07-21 Registers
US2727683A (en) * 1946-01-11 1955-12-20 Philip H Allen Registers
US2482242A (en) * 1948-06-09 1949-09-20 Remington Rand Inc Code selector

Also Published As

Publication number Publication date
US2234832A (en) 1941-03-11
CH235870A (en) 1944-12-31
FR848183A (en) 1939-10-24

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