BE476049A - - Google Patents

Info

Publication number
BE476049A
BE476049A BE476049DA BE476049A BE 476049 A BE476049 A BE 476049A BE 476049D A BE476049D A BE 476049DA BE 476049 A BE476049 A BE 476049A
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 BE476049A publication Critical patent/BE476049A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
BE476049D 1946-04-15 BE476049A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2624806X 1946-04-15

Publications (1)

Publication Number Publication Date
BE476049A true BE476049A (xx)

Family

ID=10912081

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476049D BE476049A (xx) 1946-04-15

Country Status (3)

Country Link
US (1) US2624806A (xx)
BE (1) BE476049A (xx)
FR (1) FR956493A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL83986C (xx) * 1951-04-12
US2871293A (en) * 1954-09-17 1959-01-27 Itt Multichannel telephone carrier system
US3268664A (en) * 1962-10-10 1966-08-23 Gen Motors Corp Automatic channel selector for communication systems
US3261922A (en) * 1962-12-28 1966-07-19 Bell Telephone Labor Inc Fdm data trunking system having a common tdm supervisory channel
GB1263886A (en) * 1970-09-16 1972-02-16 Standard Telephones Cables Ltd Supervisory arrangements for carrier repeater system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557079A (en) * 1919-09-16 1925-10-13 American Telephone & Telegraph Telephone signaling equipment
US1862587A (en) * 1931-06-19 1932-06-14 American Telephone & Telegraph Signaling arrangement for telephone systems
US2155176A (en) * 1936-11-07 1939-04-18 Associated Electric Lab Inc Telephone system
GB489755A (en) * 1937-01-25 1938-07-25 Standard Telephones Cables Ltd Improvements in or relating to electric signalling systems
US2398755A (en) * 1943-06-17 1946-04-16 Shepherd Judson O'd Communication system
GB567049A (en) * 1943-07-21 1945-01-25 Automatic Telephone & Elect Improvements in telephone or like signalling systems

Also Published As

Publication number Publication date
US2624806A (en) 1953-01-06
FR956493A (xx) 1950-02-02

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