DK158288A - CONNECTOR TO A PHONE DEVICE CONNECTED TO A PHONE CORD - Google Patents

CONNECTOR TO A PHONE DEVICE CONNECTED TO A PHONE CORD

Info

Publication number
DK158288A
DK158288A DK158288A DK158288A DK158288A DK 158288 A DK158288 A DK 158288A DK 158288 A DK158288 A DK 158288A DK 158288 A DK158288 A DK 158288A DK 158288 A DK158288 A DK 158288A
Authority
DK
Denmark
Prior art keywords
phone
connector
device connected
cord
phone device
Prior art date
Application number
DK158288A
Other languages
Danish (da)
Other versions
DK158288D0 (en
Inventor
Martin Koestner
Joern Julius Noe Bennedbaek
Soeren Abildgaard Nielsen
Original Assignee
Dancor Aps
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 Dancor Aps filed Critical Dancor Aps
Publication of DK158288D0 publication Critical patent/DK158288D0/en
Publication of DK158288A publication Critical patent/DK158288A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/663—Preventing unauthorised calls to a telephone set
    • 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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • 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 Security & Cryptography (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Selective Calling Equipment (AREA)
  • Telephone Function (AREA)
  • Communication Cables (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DK158288A 1987-10-30 1988-03-23 CONNECTOR TO A PHONE DEVICE CONNECTED TO A PHONE CORD DK158288A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3736797 1987-10-30
DE19873740026 DE3740026A1 (en) 1987-10-30 1987-11-26 ADDITIONAL DEVICE FOR A TELEPHONE CONNECTED TO A TELEPHONE LINE

Publications (2)

Publication Number Publication Date
DK158288D0 DK158288D0 (en) 1988-03-23
DK158288A true DK158288A (en) 1989-05-01

Family

ID=25861284

Family Applications (1)

Application Number Title Priority Date Filing Date
DK158288A DK158288A (en) 1987-10-30 1988-03-23 CONNECTOR TO A PHONE DEVICE CONNECTED TO A PHONE CORD

Country Status (5)

Country Link
DE (1) DE3740026A1 (en)
DK (1) DK158288A (en)
GB (1) GB2212029A (en)
NO (1) NO880103L (en)
SE (1) SE8801048L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140153C2 (en) * 1991-12-05 2003-04-03 Tenovis Gmbh & Co Kg Circuit arrangement for a telephone set with a ringing circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673339A (en) * 1970-07-22 1972-06-27 Bell Telephone Labor Inc Artificial line busy circuit
FR2177236A5 (en) * 1972-03-21 1973-11-02 Socotel

Also Published As

Publication number Publication date
NO880103L (en) 1989-05-02
SE8801048D0 (en) 1988-03-22
NO880103D0 (en) 1988-01-12
GB2212029A (en) 1989-07-12
DE3740026A1 (en) 1989-05-11
GB8800631D0 (en) 1988-02-10
SE8801048L (en) 1989-05-01
DK158288D0 (en) 1988-03-23

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Legal Events

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