FR840150A - Mécanismes de claviers par exemple pour systèmes télégraphiques - Google Patents

Mécanismes de claviers par exemple pour systèmes télégraphiques

Info

Publication number
FR840150A
FR840150A FR840150DA FR840150A FR 840150 A FR840150 A FR 840150A FR 840150D A FR840150D A FR 840150DA FR 840150 A FR840150 A FR 840150A
Authority
FR
France
Prior art keywords
telegraph systems
keyboard mechanisms
keyboard
mechanisms
telegraph
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 FR840150A publication Critical patent/FR840150A/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
    • H04L17/04—Apparatus or circuits at the transmitting end with keyboard co-operating with code-bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Switches With Compound Operations (AREA)
  • Input From Keyboards Or The Like (AREA)
FR840150D 1937-07-02 1938-07-01 Mécanismes de claviers par exemple pour systèmes télégraphiques Expired FR840150A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1843537A GB497970A (en) 1937-07-02 1937-07-02 Improvements in or relating to keyboard apparatus for the control of permutation members such as are used in telegraph transmitters, perforators and the like

Publications (1)

Publication Number Publication Date
FR840150A true FR840150A (fr) 1939-04-19

Family

ID=10112393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840150D Expired FR840150A (fr) 1937-07-02 1938-07-01 Mécanismes de claviers par exemple pour systèmes télégraphiques

Country Status (3)

Country Link
DE (1) DE731532C (fr)
FR (1) FR840150A (fr)
GB (1) GB497970A (fr)

Also Published As

Publication number Publication date
DE731532C (de) 1943-02-10
GB497970A (en) 1939-01-02

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