GB343770A - Improvements in or relating to telephone pay stations - Google Patents

Improvements in or relating to telephone pay stations

Info

Publication number
GB343770A
GB343770A GB7675/30A GB767530A GB343770A GB 343770 A GB343770 A GB 343770A GB 7675/30 A GB7675/30 A GB 7675/30A GB 767530 A GB767530 A GB 767530A GB 343770 A GB343770 A GB 343770A
Authority
GB
United Kingdom
Prior art keywords
relay
magnet
coin
collecting
impulse
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
GB7675/30A
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.)
Telephon Apparat Fabrik E Zwietusch and Co
Original Assignee
Telephon Apparat Fabrik E Zwietusch and Co
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 Telephon Apparat Fabrik E Zwietusch and Co filed Critical Telephon Apparat Fabrik E Zwietusch and Co
Publication of GB343770A publication Critical patent/GB343770A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/006—Stoves or ranges heated by electric energy using electrically heated liquids
    • F24C7/008—Stoves or ranges heated by electric energy using electrically heated liquids using electrode heaters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/06—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the elements being stiff plates or cards

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
GB7675/30A 1929-05-17 1930-03-08 Improvements in or relating to telephone pay stations Expired GB343770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE343770X 1929-05-17

Publications (1)

Publication Number Publication Date
GB343770A true GB343770A (en) 1931-02-26

Family

ID=6247898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7675/30A Expired GB343770A (en) 1929-05-17 1930-03-08 Improvements in or relating to telephone pay stations

Country Status (4)

Country Link
BE (1) BE368018A (enrdf_load_stackoverflow)
FR (2) FR343770A (enrdf_load_stackoverflow)
GB (1) GB343770A (enrdf_load_stackoverflow)
NL (1) NL50586C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE368018A (enrdf_load_stackoverflow)
FR343770A (fr) 1904-10-14
FR689174A (fr) 1930-09-03
NL50586C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB447106A (en) Improvements in telephone systems and pay stations for use therein
US2278436A (en) Telephone coin collector
GB343770A (en) Improvements in or relating to telephone pay stations
US2820847A (en) Reverse battery paystation
US2708691A (en) Answer time delay register circuit
US2134168A (en) Pay station
US2087903A (en) Telephone paystation circuit
US2806084A (en) Postpay paystation with coin control circuit
US2533476A (en) Automatic telephone systems involving prepayment telephone lines
DE565906C (de) Muenzfernsprecher
US1975207A (en) Telephone system
US2091541A (en) Telephone system
US1447509A (en) Telephone metering system
US2141785A (en) Telephone mechanism
GB306990A (en) Improvements in or relating to testing devices for impulse senders
US2021308A (en) Coin detection system
US1358945A (en) Measured-service telephone system
GB392079A (en) Improvements in or relating to automatic telephone stations
US2085141A (en) Testing circuit for telephone systems
DE557892C (de) Schaltungsanordnung fuer Muenzfernsprecher
GB354858A (en) Improvements in or relating to telephone systems
US2837600A (en) Controlling device in coin boxes
AT122405B (de) Schaltungsanordnung für Münzfernsprecher.
US1222311A (en) Message-register circuits.
GB192682A (en) Improvements in or relating to telephone systems