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DK683888D0 - TELEPHONE CIRCUIT - Google Patents

TELEPHONE CIRCUIT

Info

Publication number
DK683888D0
DK683888D0 DK683888A DK683888A DK683888D0 DK 683888 D0 DK683888 D0 DK 683888D0 DK 683888 A DK683888 A DK 683888A DK 683888 A DK683888 A DK 683888A DK 683888 D0 DK683888 D0 DK 683888D0
Authority
DK
Denmark
Prior art keywords
telephone circuit
telephone
circuit
Prior art date
Application number
DK683888A
Other languages
Danish (da)
Other versions
DK683888A (en
Inventor
Paul Leonard Calligaro
Original Assignee
Alcatel Nv
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 Nv filed Critical Alcatel Nv
Publication of DK683888D0 publication Critical patent/DK683888D0/en
Publication of DK683888A publication Critical patent/DK683888A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
    • 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)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
DK683888A 1987-04-09 1988-12-08 TELEPHONE CIRCUIT DK683888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI133987 1987-04-09
PCT/AU1988/000046 WO1988008234A1 (en) 1987-04-09 1988-02-22 Telephone subset circuit arrangement

Publications (2)

Publication Number Publication Date
DK683888D0 true DK683888D0 (en) 1988-12-08
DK683888A DK683888A (en) 1989-02-07

Family

ID=3772105

Family Applications (1)

Application Number Title Priority Date Filing Date
DK683888A DK683888A (en) 1987-04-09 1988-12-08 TELEPHONE CIRCUIT

Country Status (5)

Country Link
EP (1) EP0363362A4 (en)
JP (1) JPH02503254A (en)
AU (1) AU606397B2 (en)
DK (1) DK683888A (en)
WO (1) WO1988008234A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317634A (en) * 1988-12-23 1994-05-31 Alcatel N.V. Telephone subset arrangement
AU654375B2 (en) * 1991-09-04 1994-11-03 Alcatel Australia Limited Line switch control circuit arrangement for telephone subset
ATE153204T1 (en) * 1991-09-04 1997-05-15 Alcatel Australia CONTROL CIRCUIT FOR LINE SWITCH OF A TELEPHONE
EP0593115A3 (en) * 1992-10-14 1999-02-17 Koninklijke Philips Electronics N.V. Electronic hook switch for a subscriber set
EP0989726A1 (en) * 1998-09-22 2000-03-29 Alcatel Telecommunications device with visual display

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE386341B (en) * 1974-03-29 1976-08-02 Ericsson Telefon Ab L M CONNECTION DEVICE FOR A TELEPHONE DEVICE INCLUDING A DC CONVERTER.
AT359565B (en) * 1978-09-20 1980-11-25 Siemens Ag Oesterreich CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINE
ATA677778A (en) * 1978-09-20 1984-02-15 Siemens Ag Oesterreich CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL
GB2126047A (en) * 1982-08-25 1984-03-14 Philips Electronic Associated Telephone circuit
WO1987000717A1 (en) * 1985-07-18 1987-01-29 International Standard Electric Corporation A telephone line switch
AU580679B2 (en) * 1985-07-18 1989-01-27 Alcatel Australia Limited A telephone line switch

Also Published As

Publication number Publication date
AU606397B2 (en) 1991-02-07
AU1344988A (en) 1988-11-04
DK683888A (en) 1989-02-07
EP0363362A4 (en) 1991-03-20
WO1988008234A1 (en) 1988-10-20
JPH02503254A (en) 1990-10-04
EP0363362A1 (en) 1990-04-18

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
AHS Application shelved for other reasons than non-payment