BE508995A - - Google Patents

Info

Publication number
BE508995A
BE508995A BE508995DA BE508995A BE 508995 A BE508995 A BE 508995A BE 508995D A BE508995D A BE 508995DA BE 508995 A BE508995 A BE 508995A
Authority
BE
Belgium
Application number
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.)
Publication of BE508995A publication Critical patent/BE508995A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE508995D 1951-03-16 BE508995A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US216034A US2699467A (en) 1951-03-16 1951-03-16 Telephone system and a relayless line circuit and circuits in cooperation therewith for extending a call

Publications (1)

Publication Number Publication Date
BE508995A true BE508995A (zh)

Family

ID=22805411

Family Applications (1)

Application Number Title Priority Date Filing Date
BE508995D BE508995A (zh) 1951-03-16

Country Status (4)

Country Link
US (1) US2699467A (zh)
BE (1) BE508995A (zh)
FR (1) FR1054851A (zh)
GB (1) GB720191A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE500226A (zh) * 1949-12-24
US2938959A (en) * 1956-06-22 1960-05-31 Gen Telephone Lab Inc Relayless line circuit
US3193621A (en) * 1961-11-01 1965-07-06 Gen Dynamics Corp Telephone line finder
FR2985792B1 (fr) 2012-01-18 2014-02-07 Snecma Secteur angulaire de redresseur a amortissement de vibrations par coin pour compresseur de turbomachine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409670A (en) * 1932-06-17 1934-05-01 Standard Telephones Cables Ltd Improvements in or relating to telegraph, telephone or like exchange systems
US2152889A (en) * 1935-05-31 1939-04-04 Panstwowe Zaklady Tele I Radjo Telephone system
US2242776A (en) * 1939-04-25 1941-05-20 Bell Telephone Labor Inc Telephone system
NL57724C (zh) * 1939-07-24
GB567864A (en) * 1943-08-31 1945-03-06 Standard Telephones Cables Ltd Improvements in or relating to telecommunication exchange systems
US2389666A (en) * 1944-03-17 1945-11-27 Automatic Elect Lab Telephone system
US2409586A (en) * 1944-08-24 1946-10-15 Stromberg Carlson Co Automatic telephone system
FR959151A (zh) * 1945-09-03 1950-03-25
US2598822A (en) * 1945-10-13 1952-06-03 Roelof M M Oberman Signaling system with private branch exchange subscriber
US2543534A (en) * 1947-01-09 1951-02-27 Stromberg Carlson Co Automatic telephone system

Also Published As

Publication number Publication date
FR1054851A (fr) 1954-02-15
GB720191A (en) 1954-12-15
US2699467A (en) 1955-01-11

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