DK140967C - Telekommunikationsanlaeg - Google Patents

Telekommunikationsanlaeg

Info

Publication number
DK140967C
DK140967C DK199575A DK199575A DK140967C DK 140967 C DK140967 C DK 140967C DK 199575 A DK199575 A DK 199575A DK 199575 A DK199575 A DK 199575A DK 140967 C DK140967 C DK 140967C
Authority
DK
Denmark
Prior art keywords
telecommunications infrastructures
infrastructures
telecommunications
Prior art date
Application number
DK199575A
Other languages
Danish (da)
English (en)
Other versions
DK199575A (da
DK140967B (da
Inventor
J Dornaus
J Lahmer
B Refflinghaus
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of DK199575A publication Critical patent/DK199575A/da
Publication of DK140967B publication Critical patent/DK140967B/da
Application granted granted Critical
Publication of DK140967C publication Critical patent/DK140967C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
DK199575A 1974-05-09 1975-05-06 Telekommunikationsanlaeg DK140967C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742422504 DE2422504B2 (de) 1974-05-09 1974-05-09 Nachrichtenuebertragungssystem

Publications (3)

Publication Number Publication Date
DK199575A DK199575A (da) 1975-11-10
DK140967B DK140967B (da) 1979-12-10
DK140967C true DK140967C (da) 1980-05-27

Family

ID=5915092

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199575A DK140967C (da) 1974-05-09 1975-05-06 Telekommunikationsanlaeg

Country Status (15)

Country Link
US (1) US4013956A (de)
JP (1) JPS5548743B2 (de)
AT (1) AT342669B (de)
BE (1) BE828826A (de)
BR (1) BR7502797A (de)
CA (1) CA1027272A (de)
CH (1) CH592393A5 (de)
DE (1) DE2422504B2 (de)
DK (1) DK140967C (de)
FR (1) FR2270739B1 (de)
GB (1) GB1509225A (de)
IT (1) IT1032821B (de)
NL (1) NL174692C (de)
NO (1) NO139841C (de)
SE (1) SE398429B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310721A (en) * 1980-01-23 1982-01-12 The United States Of America As Represented By The Secretary Of The Army Half duplex integral vocoder modem system
US4631733A (en) * 1984-12-17 1986-12-23 Honeywell Inc. Transceiver
US4812840A (en) * 1987-06-29 1989-03-14 Ncr Corporation Multiple mode switching means

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254159A (en) * 1962-04-10 1966-05-31 Bio Tronics Res Inc Telephone adapter
US3366880A (en) * 1965-11-08 1968-01-30 American Tele Extension Co Tone controlled wireless telephone extension system
US3917907A (en) * 1971-01-12 1975-11-04 Northeast Electronics Corp Methods and apparatus for 4-wire switching
US3743938A (en) * 1971-08-10 1973-07-03 Gen Datacomm Ind Inc Closed data loop test apparatus for data transmission modem

Also Published As

Publication number Publication date
NL174692B (nl) 1984-02-16
NO751617L (de) 1975-11-11
AT342669B (de) 1978-04-10
SE7505203L (sv) 1975-11-10
JPS50153810A (de) 1975-12-11
FR2270739A1 (de) 1975-12-05
DK199575A (da) 1975-11-10
BE828826A (fr) 1975-11-07
US4013956A (en) 1977-03-22
NO139841C (no) 1979-05-16
DE2422504B2 (de) 1977-09-29
NL7505278A (nl) 1975-11-11
GB1509225A (en) 1978-05-04
DK140967B (da) 1979-12-10
FR2270739B1 (de) 1978-02-24
DE2422504A1 (de) 1975-11-20
JPS5548743B2 (de) 1980-12-08
IT1032821B (it) 1979-06-20
NO139841B (no) 1979-02-05
CA1027272A (en) 1978-02-28
SE398429B (sv) 1977-12-19
CH592393A5 (de) 1977-10-31
ATA351475A (de) 1977-08-15
BR7502797A (pt) 1976-03-16
NL174692C (nl) 1984-07-16
AU8090975A (en) 1976-11-11
DE2422504C3 (de) 1978-06-01

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Legal Events

Date Code Title Description
PBP Patent lapsed