BE500226A - - Google Patents

Info

Publication number
BE500226A
BE500226A BE500226DA BE500226A BE 500226 A BE500226 A BE 500226A BE 500226D A BE500226D A BE 500226DA BE 500226 A BE500226 A BE 500226A
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 BE500226A publication Critical patent/BE500226A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
BE500226D 1949-12-24 BE500226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US134974A US2773934A (en) 1949-12-24 1949-12-24 Electronic telephone system

Publications (1)

Publication Number Publication Date
BE500226A true BE500226A (fr)

Family

ID=22465897

Family Applications (1)

Application Number Title Priority Date Filing Date
BE500226D BE500226A (fr) 1949-12-24

Country Status (4)

Country Link
US (1) US2773934A (fr)
BE (1) BE500226A (fr)
FR (1) FR1030550A (fr)
GB (1) GB709350A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL235805A (fr) * 1952-04-10
US2872520A (en) * 1952-09-06 1959-02-03 Gen Dynamics Corp Multiplex communication system
NL182780B (nl) * 1952-11-18 Ici Ltd Werkwijze voor de vervaardiging van een vuurvaste module, in het bijzonder een katalysatordrager.
NL182959B (nl) * 1952-11-19 Pfizer N-1 gesubstitueerde 3-(imidazol-1-ylmethyl)-indolen, deze verbindingen bevattende farmaceutische voorwerpen, en werkwijze voor het bereiden van voornoemde verbindingen.
NL108191C (fr) * 1953-01-12
BE526409A (fr) * 1953-02-12
US2910542A (en) * 1953-03-30 1959-10-27 Post Office Time division multiplex communication systems
US2984705A (en) * 1953-06-15 1961-05-16 Harris Lionel Roy Frank Control apparatus for communication systems
NL187779B (nl) * 1953-06-26 Rca Licensing Corp Audioversterker.
GB768683A (en) * 1953-12-04 1957-02-20 Gen Electric Co Ltd Improvements in or relating to electric circuit arrangements for supplying trains ofelectric pulses
US2847508A (en) * 1954-02-04 1958-08-12 Bell Telephone Labor Inc Stage-by-stage all-relay telephone switching system using voice frequency control
NL195224A (fr) * 1954-03-09
US2859280A (en) * 1954-06-18 1958-11-04 Siemens Edison Swan Ltd Electrical switching systems
US2890284A (en) * 1954-06-18 1959-06-09 Siemens Edison Swan Ltd Automatic telephone systems
GB784522A (en) * 1954-10-19 1957-10-09 Gen Electric Co Ltd Improvements in and relating to automatic telephone systems
US2830125A (en) * 1955-03-04 1958-04-08 Gen Dynamics Corp Electronic switching system
US2928899A (en) * 1955-05-09 1960-03-15 Siemens Edison Swan Ltd Time division multiplex transmission systems
NL87359C (fr) * 1955-07-30
BE550511A (fr) * 1955-08-23
NL106496C (fr) * 1956-03-10
GB888364A (fr) * 1956-05-08
US3012102A (en) * 1957-04-01 1961-12-05 North Electric Co Automatic telephone system
US3008008A (en) * 1957-05-16 1961-11-07 North Electric Co Automatic telephone system
NL112698C (fr) * 1957-09-26
BE571806A (fr) * 1958-01-06
NL243217A (fr) * 1958-09-11
US3073906A (en) * 1959-06-16 1963-01-15 Bell Telephone Labor Inc Line concentrating telephone system
US3061681A (en) * 1959-09-21 1962-10-30 Gen Dynamics Corp Communication system information transfer circuit
USRE26227E (en) * 1961-01-30 1967-06-27 Electronic switching system and line circuit therefor
US3201522A (en) * 1962-09-06 1965-08-17 Bell Telephone Labor Inc Common control switching system for radio circuits

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1917390A (en) * 1931-05-07 1933-07-11 Associated Electric Lab Inc Telephone system
US1910393A (en) * 1932-02-12 1933-05-23 Associated Electric Lab Inc Automatic telephone system
NL69984C (fr) * 1939-05-26
US2278752A (en) * 1939-09-15 1942-04-07 West Busy signal for automatic telephone systems
US2385228A (en) * 1940-08-26 1945-09-18 Automatic Elect Lab Telephone system
NL74027C (fr) * 1940-09-20
US2387018A (en) * 1942-08-05 1945-10-16 Bell Lab Inc Communication system
US2379715A (en) * 1942-10-09 1945-07-03 Bell Telephone Labor Inc Communication system
US2405194A (en) * 1943-07-20 1946-08-06 Bell Telephone Labor Inc Telephone system
GB571994A (en) * 1944-01-22 1945-09-18 Automatic Telephone & Elect Improvements in or relating to telephone or like systems
US2510011A (en) * 1945-08-10 1950-05-30 Edward L Corbett Busy tone call system for telephone exchanges
US2462896A (en) * 1945-11-14 1949-03-01 Standard Telephones Cables Ltd Line finder synchronizer
US2492344A (en) * 1945-11-14 1949-12-27 Standard Telephones Cables Ltd Line finder control circuit for communication systems
NL69954C (fr) * 1946-01-25
NL76339C (fr) * 1946-02-07
USRE23418E (en) * 1946-02-19 1951-10-16 ransom r
US2492136A (en) * 1946-03-14 1949-12-27 Fed Telecomm Lab Inc Electronic telephone exchange
USRE23363E (en) * 1946-03-14 1951-05-08 Electronic telephone exchange
NL78385C (fr) * 1946-06-20
FR944842A (fr) * 1947-03-26 1949-05-02
US2490833A (en) * 1947-04-26 1949-12-13 Fed Telecomm Labs Inc All electronic line finder and selector system
US2492180A (en) * 1947-04-26 1949-12-27 Fed Telecomm Lab Inc Ringing arrangement for electronic switching systems
BE508995A (fr) * 1951-03-16

Also Published As

Publication number Publication date
FR1030550A (fr) 1953-06-15
GB709350A (en) 1954-05-19
US2773934A (en) 1956-12-11

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