CH537679A - Device for feeding additional devices in telephone stations - Google Patents

Device for feeding additional devices in telephone stations

Info

Publication number
CH537679A
CH537679A CH1575071A CH1575071A CH537679A CH 537679 A CH537679 A CH 537679A CH 1575071 A CH1575071 A CH 1575071A CH 1575071 A CH1575071 A CH 1575071A CH 537679 A CH537679 A CH 537679A
Authority
CH
Switzerland
Prior art keywords
additional devices
telephone stations
feeding additional
feeding
stations
Prior art date
Application number
CH1575071A
Other languages
German (de)
Inventor
Daendliker Gottlieb
Original Assignee
Sodeco Compteurs De Geneve
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 Sodeco Compteurs De Geneve filed Critical Sodeco Compteurs De Geneve
Priority to CH1575071A priority Critical patent/CH537679A/en
Priority to DE19712161349 priority patent/DE2161349B1/en
Priority to NL7209262A priority patent/NL7209262A/xx
Priority to FR7237629A priority patent/FR2158926A5/fr
Priority to IT30940/72A priority patent/IT969918B/en
Publication of CH537679A publication Critical patent/CH537679A/en

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
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH1575071A 1971-10-29 1971-10-29 Device for feeding additional devices in telephone stations CH537679A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1575071A CH537679A (en) 1971-10-29 1971-10-29 Device for feeding additional devices in telephone stations
DE19712161349 DE2161349B1 (en) 1971-10-29 1971-12-07 Device for constant voltage supply of to a telephone station in automatic telephone systems in parallel to connected additional devices
NL7209262A NL7209262A (en) 1971-10-29 1972-06-30
FR7237629A FR2158926A5 (en) 1971-10-29 1972-10-24
IT30940/72A IT969918B (en) 1971-10-29 1972-10-26 DEVICE FOR THE POWER SUPPLY OF ADDITIONAL DEVICES ATTACHED TO TELEPHONE DEVICES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1575071A CH537679A (en) 1971-10-29 1971-10-29 Device for feeding additional devices in telephone stations

Publications (1)

Publication Number Publication Date
CH537679A true CH537679A (en) 1973-05-31

Family

ID=4411640

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1575071A CH537679A (en) 1971-10-29 1971-10-29 Device for feeding additional devices in telephone stations

Country Status (5)

Country Link
CH (1) CH537679A (en)
DE (1) DE2161349B1 (en)
FR (1) FR2158926A5 (en)
IT (1) IT969918B (en)
NL (1) NL7209262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528260A1 (en) * 1985-07-08 1987-01-15 Sodeco Compteurs De Geneve DEVICE FOR SUPPLYING AN AUXILIARY DEVICE CONNECTED IN AUTOMATIC TELEPHONE SYSTEMS TO A TELEPHONE CIRCUIT PARALLEL

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238225A1 (en) * 1972-08-03 1974-02-14 Itt Ind Gmbh Deutsche OPERATING WIRING OF A TELEPHONE SET
GB1394148A (en) * 1972-09-11 1975-05-14 Int Standard Electric Corp Push-button telphone subset
CH589395A5 (en) * 1975-09-11 1977-06-30 Sodeco Compteurs De Geneve
DE2931456C2 (en) * 1979-08-02 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Parallel control circuit
FR2538661A1 (en) * 1982-12-28 1984-06-29 Thomson Csf Electrical circuit accomplishing the basic functions of a subscriber telephone set.
FR2557396A1 (en) * 1983-11-15 1985-06-28 Gesi HIGH IMPEDANCE POWER SUPPLY FOR ELECTRONIC CIRCUIT POWERED BY A TELEPHONE LINE
NL8800481A (en) * 1988-02-25 1989-09-18 At & T & Philips Telecomm DC POWER SUPPLY FOR AN S-BUS IN ISDN.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528260A1 (en) * 1985-07-08 1987-01-15 Sodeco Compteurs De Geneve DEVICE FOR SUPPLYING AN AUXILIARY DEVICE CONNECTED IN AUTOMATIC TELEPHONE SYSTEMS TO A TELEPHONE CIRCUIT PARALLEL

Also Published As

Publication number Publication date
NL7209262A (en) 1973-05-02
DE2161349B1 (en) 1972-12-07
IT969918B (en) 1974-04-10
FR2158926A5 (en) 1973-06-15

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Legal Events

Date Code Title Description
PL Patent ceased