JPS5169906A - Yobidashishingoseigyokairo - Google Patents

Yobidashishingoseigyokairo

Info

Publication number
JPS5169906A
JPS5169906A JP13314675A JP13314675A JPS5169906A JP S5169906 A JPS5169906 A JP S5169906A JP 13314675 A JP13314675 A JP 13314675A JP 13314675 A JP13314675 A JP 13314675A JP S5169906 A JPS5169906 A JP S5169906A
Authority
JP
Japan
Prior art keywords
yokairo
yobidashishingoseig
yobidashishingoseig yokairo
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.)
Granted
Application number
JP13314675A
Other languages
English (en)
Other versions
JPS571171B2 (ja
Inventor
Fueinaa Arekisandaa
Gifuoodo Hiru Donarudo
Koodeion Ruisu Zerasu
Aruban Beekon Patoritsuku
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US05/521,651 external-priority patent/US3978292A/en
Priority claimed from US05/521,734 external-priority patent/US3978293A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of JPS5169906A publication Critical patent/JPS5169906A/ja
Publication of JPS571171B2 publication Critical patent/JPS571171B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/026—Arrangements for interrupting the ringing current

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Plural Heterocyclic Compounds (AREA)
JP13314675A 1974-11-07 1975-11-07 Yobidashishingoseigyokairo Granted JPS5169906A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/521,651 US3978292A (en) 1974-11-07 1974-11-07 Ringing control circuitry with shared ringing loop current detector
US05/521,734 US3978293A (en) 1974-11-07 1974-11-07 Ringing control circuitry with shared ringing loop current detector

Publications (2)

Publication Number Publication Date
JPS5169906A true JPS5169906A (ja) 1976-06-17
JPS571171B2 JPS571171B2 (ja) 1982-01-09

Family

ID=27060535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13314675A Granted JPS5169906A (ja) 1974-11-07 1975-11-07 Yobidashishingoseigyokairo

Country Status (9)

Country Link
JP (1) JPS5169906A (ja)
BR (1) BR7507193A (ja)
DE (1) DE2549469C2 (ja)
ES (1) ES442422A1 (ja)
FR (1) FR2290805A1 (ja)
GB (1) GB1515720A (ja)
IT (1) IT1048758B (ja)
NL (1) NL7513016A (ja)
SE (1) SE7512060L (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124349A (en) * 1979-03-12 1980-09-25 Jeumont Schneider Calling device for automatic telephone set of subscriber having extension station
JPS56119565A (en) * 1981-02-12 1981-09-19 Hitachi Ltd Signal processing device in subscriber's circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755639C2 (de) * 1977-12-14 1985-06-05 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur logischen Verarbeitung von Teilnehmer-Kriterien in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720793A (en) * 1971-09-01 1973-03-13 Bell Telephone Labor Inc Supervisory circuit arrangement for telephone subscriber lines
FR2171594A5 (ja) * 1972-02-08 1973-09-21 Constr Telephoniques
FR2172537A5 (ja) * 1972-02-17 1973-09-28 Constr Telephoniques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124349A (en) * 1979-03-12 1980-09-25 Jeumont Schneider Calling device for automatic telephone set of subscriber having extension station
JPS56119565A (en) * 1981-02-12 1981-09-19 Hitachi Ltd Signal processing device in subscriber's circuit

Also Published As

Publication number Publication date
FR2290805B1 (ja) 1981-02-06
NL7513016A (nl) 1976-05-11
FR2290805A1 (fr) 1976-06-04
SE7512060L (sv) 1976-05-10
GB1515720A (en) 1978-06-28
DE2549469A1 (de) 1976-05-13
JPS571171B2 (ja) 1982-01-09
BR7507193A (pt) 1976-08-10
ES442422A1 (es) 1977-08-16
DE2549469C2 (de) 1984-05-17
IT1048758B (it) 1980-12-20

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