GB191512671A - Improvements in Impulse Transmitters for Automatic Telephone Systems. - Google Patents

Improvements in Impulse Transmitters for Automatic Telephone Systems.

Info

Publication number
GB191512671A
GB191512671A GB191512671DA GB191512671A GB 191512671 A GB191512671 A GB 191512671A GB 191512671D A GB191512671D A GB 191512671DA GB 191512671 A GB191512671 A GB 191512671A
Authority
GB
United Kingdom
Prior art keywords
spindle
pawl
spring
threads
movement
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)
Inventor
Gotthilf Ansgarius Betulander
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB191512671A publication Critical patent/GB191512671A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
GB191512671D 1915-01-26 1915-09-03 Improvements in Impulse Transmitters for Automatic Telephone Systems. Expired GB191512671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE191512671X 1915-01-26

Publications (1)

Publication Number Publication Date
GB191512671A true GB191512671A (en) 1916-05-04

Family

ID=32679795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191512671D Expired GB191512671A (en) 1915-01-26 1915-09-03 Improvements in Impulse Transmitters for Automatic Telephone Systems.

Country Status (3)

Country Link
DE (1) DE293208C (enrdf_load_html_response)
FR (1) FR479822A (enrdf_load_html_response)
GB (1) GB191512671A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR479822A (fr) 1916-05-17
DE293208C (enrdf_load_html_response)

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