GB1354739A - Toll charging arrangement for a coin box telephone - Google Patents

Toll charging arrangement for a coin box telephone

Info

Publication number
GB1354739A
GB1354739A GB3915371A GB3915371A GB1354739A GB 1354739 A GB1354739 A GB 1354739A GB 3915371 A GB3915371 A GB 3915371A GB 3915371 A GB3915371 A GB 3915371A GB 1354739 A GB1354739 A GB 1354739A
Authority
GB
United Kingdom
Prior art keywords
coin
adder
outputs
store
charging arrangement
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
GB3915371A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1354739A publication Critical patent/GB1354739A/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

Abstract

1354739 Coin box telephones INTERNATIONAL STANDARD ELECTRIC CORP 20 Aug 1971 [21 Aug 1970] 39153/71 Heading H4K [Also in Division G4] In a toll-charging arrangement for a coin-box telephone the values of the coins inserted are registered via coding units 4 and adder 5 in a store 6 and the courting pulses from the exchange are registered via a coding unit 11 and adder 12 in a second store 13 having outputs 17 to 19 for controlling coin collection (highest value coin collected first) and connected to a complement stage 20 to effect reduction of the contents of stores 6, 11 by the value of the coin collected. In the embodiment shown the stores 6, 11 are connected to a subtractor 10 the outputs 21 and 23 of which control credit indication and forced interruption of the call, and the output 22 indicating before the start of a call whether the minimum fee has been inserted. In a second embodiment (Fig. 2, not shown) the subtractor is dispensed with and the counting pulses are applied via complement stage (42) and adder (28) to the first store (29) outputs (31) to (33) of which are associated with minimum fee, credit indication and forced nterruption.
GB3915371A 1970-08-21 1971-08-20 Toll charging arrangement for a coin box telephone Expired GB1354739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702041693 DE2041693A1 (en) 1970-08-21 1970-08-21 Process for the acquisition of coins and counting pulses in coin telephones

Publications (1)

Publication Number Publication Date
GB1354739A true GB1354739A (en) 1974-06-05

Family

ID=5780431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3915371A Expired GB1354739A (en) 1970-08-21 1971-08-20 Toll charging arrangement for a coin box telephone

Country Status (3)

Country Link
DE (1) DE2041693A1 (en)
GB (1) GB1354739A (en)
NL (1) NL7111482A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30973E (en) 1977-07-27 1982-06-15 Bell Telephone Laboratories, Incorporated Telephone station coin memory and control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30973E (en) 1977-07-27 1982-06-15 Bell Telephone Laboratories, Incorporated Telephone station coin memory and control system

Also Published As

Publication number Publication date
DE2041693A1 (en) 1972-02-24
NL7111482A (en) 1972-02-23

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee