GB413054A - Improvements in and relating to telephone installations - Google Patents

Improvements in and relating to telephone installations

Info

Publication number
GB413054A
GB413054A GB4996/33A GB499633A GB413054A GB 413054 A GB413054 A GB 413054A GB 4996/33 A GB4996/33 A GB 4996/33A GB 499633 A GB499633 A GB 499633A GB 413054 A GB413054 A GB 413054A
Authority
GB
United Kingdom
Prior art keywords
group
groups
trunks
finders
lines
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4996/33A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuld & Co Telephonund Telegrap
MERK FRIEDR
Original Assignee
Fuld & Co Telephonund Telegrap
MERK FRIEDR
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 Fuld & Co Telephonund Telegrap, MERK FRIEDR filed Critical Fuld & Co Telephonund Telegrap
Publication of GB413054A publication Critical patent/GB413054A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/64Distributing or queueing
    • H04Q3/68Grouping or interlacing selector groups or stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Keying Circuit Devices (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephonic Communication Services (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB4996/33A 1932-02-17 1933-02-17 Improvements in and relating to telephone installations Expired GB413054A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE413054X 1932-02-17
DEM123029D DE635919C (de) 1932-02-17 1933-02-26 Schaltungsanordnung fuer Fernsprechanlagen

Publications (1)

Publication Number Publication Date
GB413054A true GB413054A (en) 1934-07-12

Family

ID=25907313

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4996/33A Expired GB413054A (en) 1932-02-17 1933-02-17 Improvements in and relating to telephone installations
GB5891/34A Expired GB419189A (en) 1932-02-17 1934-02-22 Improvements in and relating to telephone installations

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5891/34A Expired GB419189A (en) 1932-02-17 1934-02-22 Improvements in and relating to telephone installations

Country Status (5)

Country Link
US (2) US1972199A (fr)
BE (1) BE394383A (fr)
DE (3) DE606205C (fr)
FR (2) FR750800A (fr)
GB (2) GB413054A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924758C (de) * 1943-08-04 1955-03-07 Siemens Ag Schaltungsanordnung zur Herstellung von Endverbindungen ueber Durch-gangsverbindungsleitungen in Fernsprechanlagen mit Waehlerbetrieb
BE514844A (fr) * 1951-10-27
NL94753C (fr) * 1952-03-21
US2866853A (en) * 1953-11-18 1958-12-30 Gen Telephone Lab Inc Rotary finder with graded multiple
DE2724154A1 (de) * 1977-05-27 1978-11-30 Dirr Josef Schaltungsanordnung fuer vermittlungsanlagen, insbesondere fernsprechnebenstellenanlagen auf koppelpunktbasis

Also Published As

Publication number Publication date
DE635919C (de) 1936-10-01
GB419189A (en) 1934-11-07
US1972199A (en) 1934-09-04
BE394383A (fr)
US1999104A (en) 1935-04-23
FR44932E (fr) 1935-05-01
FR750800A (fr) 1933-08-18
DE618575C (de) 1935-09-13
DE606205C (de) 1934-11-29

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