NO751275L - - Google Patents

Info

Publication number
NO751275L
NO751275L NO751275A NO751275A NO751275L NO 751275 L NO751275 L NO 751275L NO 751275 A NO751275 A NO 751275A NO 751275 A NO751275 A NO 751275A NO 751275 L NO751275 L NO 751275L
Authority
NO
Norway
Prior art keywords
signal
subscriber
line
internal
relay
Prior art date
Application number
NO751275A
Other languages
English (en)
Norwegian (no)
Other versions
NO141875B (no
Inventor
P D Avontuur
A G C Van Der Bend
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO751275L publication Critical patent/NO751275L/no
Publication of NO141875B publication Critical patent/NO141875B/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
    • 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)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Function (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
NO751275A 1974-04-11 1975-04-10 Telefonapparatanlegg for et antall abonnementapparater NO141875B (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7404995A NL7404995A (nl) 1974-04-11 1974-04-11 Voor particulier gebruik dienende telefoon- installatie.

Publications (2)

Publication Number Publication Date
NO751275L true NO751275L (enrdf_load_stackoverflow) 1975-10-14
NO141875B NO141875B (no) 1980-02-11

Family

ID=19821159

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751275A NO141875B (no) 1974-04-11 1975-04-10 Telefonapparatanlegg for et antall abonnementapparater

Country Status (8)

Country Link
DK (1) DK154475A (enrdf_load_stackoverflow)
FI (1) FI60475C (enrdf_load_stackoverflow)
FR (1) FR2267670B1 (enrdf_load_stackoverflow)
GB (1) GB1501704A (enrdf_load_stackoverflow)
IT (1) IT1037245B (enrdf_load_stackoverflow)
NL (1) NL7404995A (enrdf_load_stackoverflow)
NO (1) NO141875B (enrdf_load_stackoverflow)
SE (1) SE409537B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1535650A (en) * 1976-11-18 1978-12-13 Int Standard Electric Corp Electronic switching device for producing a timed signal
GB2179523B (en) * 1985-08-23 1989-07-19 Ferranti Gte Limited Private telephone system
US4744103A (en) * 1985-11-27 1988-05-10 Rauland-Borg Corporation Computer controlled multi-link communication system

Also Published As

Publication number Publication date
FR2267670B1 (enrdf_load_stackoverflow) 1982-10-08
SE409537B (sv) 1979-08-20
NL7404995A (nl) 1975-10-14
FI60475B (fi) 1981-09-30
NO141875B (no) 1980-02-11
FI751008A7 (enrdf_load_stackoverflow) 1975-10-12
SE7503102L (sv) 1975-10-13
FR2267670A1 (enrdf_load_stackoverflow) 1975-11-07
IT1037245B (it) 1979-11-10
DK154475A (enrdf_load_stackoverflow) 1975-10-12
FI60475C (fi) 1982-01-11
GB1501704A (en) 1978-02-22

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