CH219314A - Pressure telegraph apparatus with gradual progression. - Google Patents

Pressure telegraph apparatus with gradual progression.

Info

Publication number
CH219314A
CH219314A CH219314DA CH219314A CH 219314 A CH219314 A CH 219314A CH 219314D A CH219314D A CH 219314DA CH 219314 A CH219314 A CH 219314A
Authority
CH
Switzerland
Prior art keywords
telegraph apparatus
gradual progression
pressure
pressure telegraph
gradual
Prior art date
Application number
Other languages
German (de)
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 CH219314A publication Critical patent/CH219314A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L19/00—Apparatus or local circuits for step-by-step systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Printers Characterized By Their Purpose (AREA)
CH219314D 1938-09-30 1939-09-26 Pressure telegraph apparatus with gradual progression. CH219314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB219314X 1938-09-30

Publications (1)

Publication Number Publication Date
CH219314A true CH219314A (en) 1942-01-31

Family

ID=10171208

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219314D CH219314A (en) 1938-09-30 1939-09-26 Pressure telegraph apparatus with gradual progression.

Country Status (3)

Country Link
CH (1) CH219314A (en)
FR (1) FR860387A (en)
GB (2) GB522095A (en)

Also Published As

Publication number Publication date
GB522095A (en) 1940-06-07
GB521591A (en) 1940-05-27
FR860387A (en) 1941-01-13

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