NO115625B - - Google Patents

Download PDF

Info

Publication number
NO115625B
NO115625B NO163638A NO16363866A NO115625B NO 115625 B NO115625 B NO 115625B NO 163638 A NO163638 A NO 163638A NO 16363866 A NO16363866 A NO 16363866A NO 115625 B NO115625 B NO 115625B
Authority
NO
Norway
Prior art keywords
relay
electromagnet
maneuver
unit
signal
Prior art date
Application number
NO163638A
Other languages
English (en)
Norwegian (no)
Inventor
V Lapsevskis
A Svensson
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 NO115625B publication Critical patent/NO115625B/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
NO163638A 1965-07-15 1966-06-24 NO115625B (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE938165 1965-07-15

Publications (1)

Publication Number Publication Date
NO115625B true NO115625B (id) 1968-11-04

Family

ID=20276540

Family Applications (1)

Application Number Title Priority Date Filing Date
NO163638A NO115625B (id) 1965-07-15 1966-06-24

Country Status (9)

Country Link
US (1) US3509284A (id)
BE (1) BE683746A (id)
DE (1) DE1512032B2 (id)
DK (1) DK113448B (id)
FI (1) FI43609C (id)
FR (1) FR1486693A (id)
GB (1) GB1111018A (id)
NL (1) NL6609841A (id)
NO (1) NO115625B (id)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113184A (en) * 1960-08-31 1963-12-03 Bell Telephone Labor Inc Telephone system

Also Published As

Publication number Publication date
FI43609B (id) 1971-02-01
BE683746A (id) 1966-12-16
DE1512032B2 (de) 1970-12-17
US3509284A (en) 1970-04-28
NL6609841A (id) 1967-01-16
DK113448B (da) 1969-03-24
DE1512032A1 (de) 1969-04-03
FR1486693A (fr) 1967-06-30
GB1111018A (en) 1968-04-24
FI43609C (fi) 1971-05-10

Similar Documents

Publication Publication Date Title
US2340809A (en) Electrical calculating equipment
US2421919A (en) Telephone routing system
EP0091267B1 (en) Telecommunication system loop-back unit
US3247325A (en) Circuit arrangement for testing lines in communication systems
NO115625B (id)
US3557317A (en) Telephone switchboard with universal line/trunk circuits
GB1125563A (en) Improvements in or relating to automatic switching systems
US2235890A (en) Telephone system
US3339028A (en) Arrangements for detecting ground conditions on telephone lines
US3906165A (en) Line circuit in automatic switching system
US2137422A (en) Automatic switch
US2299514A (en) Telephone system
US2060585A (en) Telephone signal circuit
US3480735A (en) Communication switching marker having continuity testing arrangement
US2543003A (en) Selection control for telephone systems
US1340935A (en) Telephone-exchange system
US3163719A (en) Trunk transfer circuit
US2282900A (en) Telephone system
US2806093A (en) Telephone test selector
US4041253A (en) Bus monitor circuit for detecting malfunction of telephone circuits connected in groups to a common bus
US1539132A (en) Automatic telephone system
US3188401A (en) Selective service observing circuit
US3427508A (en) Relay damping
US2088305A (en) Telephone system
GB916633A (en) Improvements relating to automatic telecommunication switching systems