AT314620B - Circuit arrangement for coin-operated telephones in which counting pulses are converted into coin-collecting pulses - Google Patents

Circuit arrangement for coin-operated telephones in which counting pulses are converted into coin-collecting pulses

Info

Publication number: AT314620B
Authority: AT; Austria
Prior art keywords: coin; pulses; converted; circuit arrangement; collecting
Prior art date: 1970-05-06

Application number

AT343771A

Other languages

German (de)

Original Assignee

Siemens Ag

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.)

1970-05-06

Filing date

1971-04-21

Publication date

1974-04-10

1971-04-21 Application filed by Siemens Ag filed Critical Siemens Ag

1974-04-10 Application granted granted Critical

1974-04-10 Publication of AT314620B publication Critical patent/AT314620B/en

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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Computer Security & Cryptography (AREA)
Signal Processing (AREA)
Meter Arrangements (AREA)
Prepayment Telephone Systems (AREA)

AT343771A 1970-05-06 1971-04-21 Circuit arrangement for coin-operated telephones in which counting pulses are converted into coin-collecting pulses AT314620B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702022266 DE2022266B2 (en)	1970-05-06	1970-05-06	PROCEDURE FOR IMPLEMENTING THE COUNTER PULSE FREQUENCY FOR COIN TELEPHONES

Publications (1)

Publication Number	Publication Date
AT314620B true AT314620B (en)	1974-04-10

Family

ID=5770450

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT343771A AT314620B (en)	1970-05-06	1971-04-21	Circuit arrangement for coin-operated telephones in which counting pulses are converted into coin-collecting pulses

Country Status (9)

Country	Link
JP (1)	JPS545242B1 (en)
AT (1)	AT314620B (en)
BE (1)	BE766790A (en)
CH (1)	CH527532A (en)
DE (1)	DE2022266B2 (en)
FR (1)	FR2091068A5 (en)
GB (1)	GB1340569A (en)
LU (1)	LU63098A1 (en)
NL (1)	NL7106233A (en)

1970
- 1970-05-06 DE DE19702022266 patent/DE2022266B2/en not_active Ceased
1971
- 1971-04-16 CH CH551871A patent/CH527532A/en not_active IP Right Cessation
- 1971-04-21 AT AT343771A patent/AT314620B/en not_active IP Right Cessation
- 1971-04-28 GB GB1178571A patent/GB1340569A/en not_active Expired
- 1971-05-03 FR FR7115756A patent/FR2091068A5/fr not_active Expired
- 1971-05-04 LU LU63098D patent/LU63098A1/xx unknown
- 1971-05-06 BE BE766790A patent/BE766790A/en unknown
- 1971-05-06 NL NL7106233A patent/NL7106233A/xx unknown
- 1971-05-06 JP JP3013071A patent/JPS545242B1/ja active Pending

Also Published As

Publication number	Publication date
DE2022266A1 (en)	1971-11-18
JPS545242B1 (en)	1979-03-15
LU63098A1 (en)	1971-08-31
CH527532A (en)	1972-08-31
NL7106233A (en)	1971-11-09
GB1340569A (en)	1973-12-12
BE766790A (en)	1971-11-08
FR2091068A5 (en)	1972-01-14
DE2022266B2 (en)	1972-07-27

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Legal Events

Date	Code	Title	Description
1979-05-15	ELJ	Ceased due to non-payment of the annual fee