BE445114A - - Google Patents

Info

Publication number
BE445114A
BE445114A BE445114DA BE445114A BE 445114 A BE445114 A BE 445114A BE 445114D A BE445114D A BE 445114DA BE 445114 A BE445114 A BE 445114A
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 BE445114A publication Critical patent/BE445114A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Keying Circuit Devices (AREA)
BE445114D 1941-04-15 BE445114A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2444065X 1941-04-15
NL881538X 1941-04-15

Publications (1)

Publication Number Publication Date
BE445114A true BE445114A (ja)

Family

ID=33100497

Family Applications (1)

Application Number Title Priority Date Filing Date
BE445114D BE445114A (ja) 1941-04-15

Country Status (3)

Country Link
US (1) US2444065A (ja)
BE (1) BE445114A (ja)
FR (1) FR881538A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923919A (en) * 1960-02-02 Remote control circuit
US2832834A (en) * 1941-04-26 1958-04-29 Nederlanden Staat Signalling arrangement for telecommunication systems
US2597007A (en) * 1942-03-31 1952-05-20 Int Standard Electric Corp Common control circuit for operating switches rearward to calling line
US2583014A (en) * 1942-06-12 1952-01-22 Int Standard Electric Corp Automatic control of final selectors
NL63839C (ja) * 1942-10-31
US2584153A (en) * 1945-09-14 1952-02-05 Roelof M M Oberman Zero voltage identification device for selector positioning
US2648057A (en) * 1946-07-16 1953-08-04 Roelof M M Oberman Circuit for obtaining electric bridge equilibrium
BE488571A (ja) * 1948-04-20
US2654000A (en) * 1948-05-20 1953-09-29 Int Standard Electric Corp Multipotential type register controller
US2663760A (en) * 1948-10-12 1953-12-22 Hartford Nat Bank & Trust Co Control device for use in automatic signaling systems
US2591555A (en) * 1949-05-25 1952-04-01 Ncr Co Indicator
US2693504A (en) * 1949-06-14 1954-11-02 Hartford Nat Bank & Trust Co Automatic signaling system
US2697751A (en) * 1949-06-14 1954-12-21 Hartford Nat Bank & Trust Co Circuit-arrangement for use in automatic signaling systems for selectively testing the values of identification resistances
US2688659A (en) * 1949-10-31 1954-09-07 Hartford Nat Bank & Trust Co Circuit-arrangement for use in automatic signaling systems for numerical adjustment of a switch by a selective marking method
BE499228A (ja) * 1949-11-26
US2620385A (en) * 1949-11-30 1952-12-02 Specialties Dev Corp Photoelectrically controlled system for detecting suspended matter in fluids
BE514161A (ja) * 1951-12-13
US2821573A (en) * 1953-07-24 1958-01-28 Itt Dual-switch finder combination
US2869110A (en) * 1954-08-09 1959-01-13 Ingersoll Milling Machine Co Remote control apparatus
US3056126A (en) * 1957-04-08 1962-09-25 Gen Railway Signal Co Indicator control system for a train describer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1212554A (en) * 1913-08-19 1917-01-16 Charles Prache Electrical control mechanism.
US1669112A (en) * 1924-09-15 1928-05-08 Gen Electric Supervisory control system
GB266798A (en) * 1925-11-26 1927-02-28 Ian Miller Edington Aitken Improvements in or relating to electric signalling systems
US1736259A (en) * 1927-07-14 1929-11-19 A copabtnership consisting of charles a
US1952368A (en) * 1927-08-06 1934-03-27 John E Gardner Selecting system
US1982290A (en) * 1927-12-24 1934-11-27 John E Gardner Selecting system
US2032514A (en) * 1935-06-01 1936-03-03 American Telephone & Telegraph Gas-filled tube and circuit therefor
US2060184A (en) * 1935-11-21 1936-11-10 Bell Telephone Labor Inc Telephone system
US2323019A (en) * 1936-09-26 1943-06-29 Dohle Hinrich Impulse sender
US2279232A (en) * 1939-01-23 1942-04-07 Louis Letterman Selective control apparatus
US2333195A (en) * 1939-04-04 1943-11-02 Int Standard Electric Corp Key pulsing sender for telephone systems

Also Published As

Publication number Publication date
US2444065A (en) 1948-06-29
FR881538A (fr) 1943-04-28

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