DK170081A - Data transfer circuit - Google Patents

Data transfer circuit

Info

Publication number
DK170081A
DK170081A DK170081A DK170081A DK170081A DK 170081 A DK170081 A DK 170081A DK 170081 A DK170081 A DK 170081A DK 170081 A DK170081 A DK 170081A DK 170081 A DK170081 A DK 170081A
Authority
DK
Denmark
Prior art keywords
data transfer
transfer circuit
circuit
data
transfer
Prior art date
Application number
DK170081A
Other languages
Danish (da)
Inventor
J P Chambon
A Bohn
Original Assignee
Telephonie Ind Commerciale
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 Telephonie Ind Commerciale filed Critical Telephonie Ind Commerciale
Publication of DK170081A publication Critical patent/DK170081A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DK170081A 1980-04-16 1981-04-14 Data transfer circuit DK170081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8008671A FR2481033B1 (en) 1980-04-16 1980-04-16 ELECTRONIC INTERCOMMUNICATION INSTALLATION

Publications (1)

Publication Number Publication Date
DK170081A true DK170081A (en) 1981-10-17

Family

ID=9241034

Family Applications (1)

Application Number Title Priority Date Filing Date
DK170081A DK170081A (en) 1980-04-16 1981-04-14 Data transfer circuit

Country Status (13)

Country Link
JP (1) JPS579190A (en)
BE (1) BE888435A (en)
BR (1) BR8102253A (en)
DE (1) DE3114977A1 (en)
DK (1) DK170081A (en)
ES (1) ES501298A0 (en)
FR (1) FR2481033B1 (en)
GB (1) GB2075306B (en)
IE (1) IE51482B1 (en)
IT (1) IT1137365B (en)
MX (1) MX149212A (en)
PT (1) PT72871B (en)
SE (1) SE8102382L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228828A (en) * 1983-06-11 1984-12-22 萱沢　文男 Fluorescent amount measuring apparatus of eye body
US4638124A (en) * 1984-09-21 1987-01-20 Itt Corporation Key telephone system with distributed control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119606A (en) * 1977-03-28 1978-10-19 Toshiba Corp Double concentrating transmission system of tree-pair line
US4112261A (en) * 1977-05-16 1978-09-05 The Anaconda Company Key telephone system and method

Also Published As

Publication number Publication date
IE810839L (en) 1981-10-16
SE8102382L (en) 1981-10-17
MX149212A (en) 1983-09-23
GB2075306B (en) 1985-02-13
IE51482B1 (en) 1987-01-07
IT1137365B (en) 1986-09-10
BE888435A (en) 1981-07-31
PT72871A (en) 1981-05-01
BR8102253A (en) 1981-11-24
PT72871B (en) 1982-03-29
FR2481033A1 (en) 1981-10-23
JPS579190A (en) 1982-01-18
ES8203183A1 (en) 1982-03-01
IT8121158A0 (en) 1981-04-14
FR2481033B1 (en) 1987-11-06
ES501298A0 (en) 1982-03-01
DE3114977A1 (en) 1982-03-18
GB2075306A (en) 1981-11-11

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment
B1 Patent granted (law 1993)
PBP Patent lapsed