GB412541A - Improvements in impulse transmitters particularly for use in automatic telephone systems - Google Patents

Improvements in impulse transmitters particularly for use in automatic telephone systems

Info

Publication number
GB412541A
GB412541A GB2636832A GB2636832A GB412541A GB 412541 A GB412541 A GB 412541A GB 2636832 A GB2636832 A GB 2636832A GB 2636832 A GB2636832 A GB 2636832A GB 412541 A GB412541 A GB 412541A
Authority
GB
United Kingdom
Prior art keywords
contacts
pawl
spring
cam
cams
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
GB2636832A
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.)
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
Priority to FR743363D priority Critical patent/FR743363A/fr
Application filed by Individual filed Critical Individual
Priority to GB2636832A priority patent/GB412541A/en
Publication of GB412541A publication Critical patent/GB412541A/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB2636832A 1932-09-22 1932-09-22 Improvements in impulse transmitters particularly for use in automatic telephone systems Expired GB412541A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR743363D FR743363A (forum.php) 1932-09-22
GB2636832A GB412541A (en) 1932-09-22 1932-09-22 Improvements in impulse transmitters particularly for use in automatic telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2636832A GB412541A (en) 1932-09-22 1932-09-22 Improvements in impulse transmitters particularly for use in automatic telephone systems

Publications (1)

Publication Number Publication Date
GB412541A true GB412541A (en) 1934-06-28

Family

ID=10242562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2636832A Expired GB412541A (en) 1932-09-22 1932-09-22 Improvements in impulse transmitters particularly for use in automatic telephone systems

Country Status (2)

Country Link
FR (1) FR743363A (forum.php)
GB (1) GB412541A (forum.php)

Also Published As

Publication number Publication date
FR743363A (forum.php) 1933-03-29

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