ES364146A1 - Circuito adaptador para conectar una linea telefonica pu- blica a un equipo local. - Google Patents

Circuito adaptador para conectar una linea telefonica pu- blica a un equipo local.

Info

Publication number
ES364146A1
ES364146A1 ES364146A ES364146A ES364146A1 ES 364146 A1 ES364146 A1 ES 364146A1 ES 364146 A ES364146 A ES 364146A ES 364146 A ES364146 A ES 364146A ES 364146 A1 ES364146 A1 ES 364146A1
Authority
ES
Spain
Prior art keywords
line
station
relay
stations
paging
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
ES364146A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES364146A1 publication Critical patent/ES364146A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Mobile Radio Communication Systems (AREA)
ES364146A 1968-02-26 1969-02-26 Circuito adaptador para conectar una linea telefonica pu- blica a un equipo local. Expired ES364146A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70823768A 1968-02-26 1968-02-26

Publications (1)

Publication Number Publication Date
ES364146A1 true ES364146A1 (es) 1971-02-16

Family

ID=24844954

Family Applications (1)

Application Number Title Priority Date Filing Date
ES364146A Expired ES364146A1 (es) 1968-02-26 1969-02-26 Circuito adaptador para conectar una linea telefonica pu- blica a un equipo local.

Country Status (3)

Country Link
US (1) US3576401A (es)
ES (1) ES364146A1 (es)
GB (1) GB1254939A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783195A (en) * 1971-12-22 1974-01-01 P Day Plant telephone communication system
US4113985A (en) * 1975-06-09 1978-09-12 Gai-Tronics Corporation Mine dial and page phone system
US6628779B1 (en) * 1998-05-11 2003-09-30 Telcordia Technologies, Inc. Method and system for scaleable near-end speech cancellation for tip and ring tone signal detectors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126448A (en) * 1964-03-24 Station
US2071053A (en) * 1934-07-05 1937-02-16 Inter Outer Telephone Corp Inter-outer telephone system
US3100244A (en) * 1959-11-26 1963-08-06 Ass Elect Ind Inter-communication systems
US3296372A (en) * 1963-03-22 1967-01-03 Gen Electric Signalling circuit for intercommunication system
US3283075A (en) * 1963-03-26 1966-11-01 Gen Electric Load circuits for intercommunication system
US3283076A (en) * 1963-03-26 1966-11-01 Gen Electric Volume control circuits for intercommunication systems
US3321580A (en) * 1963-12-20 1967-05-23 Northern Electric Co Hands-free communication systems including privacy features

Also Published As

Publication number Publication date
US3576401A (en) 1971-04-27
GB1254939A (en) 1971-11-24

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