GB485580A - Improvements in or relating to equipment for recording particulars regarding telephone or like calls - Google Patents

Improvements in or relating to equipment for recording particulars regarding telephone or like calls

Info

Publication number
GB485580A
GB485580A GB31807/36A GB3180736A GB485580A GB 485580 A GB485580 A GB 485580A GB 31807/36 A GB31807/36 A GB 31807/36A GB 3180736 A GB3180736 A GB 3180736A GB 485580 A GB485580 A GB 485580A
Authority
GB
United Kingdom
Prior art keywords
shaft
cam
magnet
ticket
duration
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
GB31807/36A
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
Application filed by Individual filed Critical Individual
Publication of GB485580A publication Critical patent/GB485580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
GB31807/36A 1936-11-20 1936-11-20 Improvements in or relating to equipment for recording particulars regarding telephone or like calls Expired GB485580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB229089X 1936-11-20

Publications (1)

Publication Number Publication Date
GB485580A true GB485580A (en) 1938-05-20

Family

ID=10187009

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31807/36A Expired GB485580A (en) 1936-11-20 1936-11-20 Improvements in or relating to equipment for recording particulars regarding telephone or like calls

Country Status (5)

Country Link
CH (1) CH229089A (forum.php)
DE (1) DE733975C (forum.php)
FR (1) FR828759A (forum.php)
GB (1) GB485580A (forum.php)
NL (1) NL49565C (forum.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE453062A (forum.php) * 1939-04-06

Also Published As

Publication number Publication date
NL49565C (forum.php)
DE733975C (de) 1943-04-15
CH229089A (de) 1943-09-30
FR828759A (fr) 1938-05-30

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