DK241283A - Koblingskredsloeb for en ekstra ledning til et samtaleanlaeg - Google Patents

Koblingskredsloeb for en ekstra ledning til et samtaleanlaeg Download PDF

Info

Publication number
DK241283A
DK241283A DK241283A DK241283A DK241283A DK 241283 A DK241283 A DK 241283A DK 241283 A DK241283 A DK 241283A DK 241283 A DK241283 A DK 241283A DK 241283 A DK241283 A DK 241283A
Authority
DK
Denmark
Prior art keywords
circuit
call
additional
connection
connection circuit
Prior art date
Application number
DK241283A
Other languages
Danish (da)
English (en)
Other versions
DK241283D0 (da
Inventor
Bernard Marie Andre Meunier
Eric Jean Gradeler
Original Assignee
Constr Telephoniques
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 Constr Telephoniques filed Critical Constr Telephoniques
Publication of DK241283D0 publication Critical patent/DK241283D0/da
Publication of DK241283A publication Critical patent/DK241283A/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/738Interface circuits for coupling substations to external telephone lines
    • H04M1/74Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/002Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Fishing Rods (AREA)
DK241283A 1982-07-12 1983-05-27 Koblingskredsloeb for en ekstra ledning til et samtaleanlaeg DK241283A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8212169A FR2530104B1 (fr) 1982-07-12 1982-07-12 Circuit de couplage de ligne additionnelle a un poste d'intercommunication

Publications (2)

Publication Number Publication Date
DK241283D0 DK241283D0 (da) 1983-05-27
DK241283A true DK241283A (da) 1984-01-13

Family

ID=9275900

Family Applications (1)

Application Number Title Priority Date Filing Date
DK241283A DK241283A (da) 1982-07-12 1983-05-27 Koblingskredsloeb for en ekstra ledning til et samtaleanlaeg

Country Status (15)

Country Link
US (1) US4504702A (xx)
EP (1) EP0099761A3 (xx)
JP (1) JPS5962291A (xx)
KR (1) KR860001440B1 (xx)
AU (1) AU552598B2 (xx)
BR (1) BR8303408A (xx)
CA (1) CA1195019A (xx)
DK (1) DK241283A (xx)
FR (1) FR2530104B1 (xx)
GR (1) GR78899B (xx)
IN (1) IN157878B (xx)
NO (1) NO831051L (xx)
NZ (1) NZ204605A (xx)
PT (1) PT76608B (xx)
ZA (1) ZA832715B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575584A (en) * 1984-07-05 1986-03-11 Honeywell Inc. Fail-safe digital phone
US5553117A (en) * 1994-01-03 1996-09-03 Danny R. Peterson Vehicular communications system
WO2008054684A2 (en) * 2006-10-30 2008-05-08 Thales Avionics, Inc. Interface for bulkhead monitor and method for using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459895A (en) * 1966-05-19 1969-08-05 Itt Centrally powered subscriber carrier systems
US4125749A (en) * 1975-08-09 1978-11-14 Tamura Electric Works, Ltd. Key telephone systems
US4061887A (en) * 1976-04-23 1977-12-06 Rolm Corporation Key telephone adapter for electronic telephone switching system
US4112261A (en) * 1977-05-16 1978-09-05 The Anaconda Company Key telephone system and method
JPS5552654A (en) * 1978-10-14 1980-04-17 Sumitomo Heavy Ind Ltd Signal transmission system

Also Published As

Publication number Publication date
CA1195019A (en) 1985-10-08
JPS5962291A (ja) 1984-04-09
BR8303408A (pt) 1984-11-06
GR78899B (xx) 1984-10-02
KR840005638A (ko) 1984-11-14
PT76608A (fr) 1983-05-01
AU1597583A (en) 1984-01-19
EP0099761A3 (fr) 1984-12-27
FR2530104A1 (fr) 1984-01-13
DK241283D0 (da) 1983-05-27
US4504702A (en) 1985-03-12
NZ204605A (en) 1985-08-30
ZA832715B (en) 1984-02-29
PT76608B (fr) 1985-12-10
AU552598B2 (en) 1986-06-05
EP0099761A2 (fr) 1984-02-01
KR860001440B1 (ko) 1986-09-24
IN157878B (xx) 1986-07-12
FR2530104B1 (fr) 1986-10-24
NO831051L (no) 1984-01-13

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment