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FR550248A - Improvements to devices for the production of a perforated tape by means of electric current pulses - Google Patents

Improvements to devices for the production of a perforated tape by means of electric current pulses

Info

Publication number
FR550248A
FR550248A FR550248DA FR550248A FR 550248 A FR550248 A FR 550248A FR 550248D A FR550248D A FR 550248DA FR 550248 A FR550248 A FR 550248A
Authority
FR
France
Prior art keywords
production
devices
electric current
current pulses
perforated tape
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
French (fr)
Inventor
Gunner Julius Johann Rosendahl
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 filed Critical
Application granted granted Critical
Publication of FR550248A publication Critical patent/FR550248A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/28—Code reproducing apparatus
    • H04L15/32—Perforating recorders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR550248D 1921-05-21 1922-04-15 Improvements to devices for the production of a perforated tape by means of electric current pulses Expired FR550248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1425221A GB185170A (en) 1921-05-21 1921-05-21 Improvements in or relating to means for producing a perforated tape by electric current impulses

Publications (1)

Publication Number Publication Date
FR550248A true FR550248A (en) 1923-03-01

Family

ID=10037774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR550248D Expired FR550248A (en) 1921-05-21 1922-04-15 Improvements to devices for the production of a perforated tape by means of electric current pulses

Country Status (3)

Country Link
DE (1) DE433110C (en)
FR (1) FR550248A (en)
GB (1) GB185170A (en)

Also Published As

Publication number Publication date
DE433110C (en) 1926-08-23
GB185170A (en) 1922-08-21

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