FR881538A - Electrical signaling systems - Google Patents

Electrical signaling systems

Info

Publication number
FR881538A
FR881538A FR881538DA FR881538A FR 881538 A FR881538 A FR 881538A FR 881538D A FR881538D A FR 881538DA FR 881538 A FR881538 A FR 881538A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
systems
signaling
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR881538A publication Critical patent/FR881538A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Keying Circuit Devices (AREA)
FR881538D 1941-04-15 1942-04-25 Electrical signaling systems Expired FR881538A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
FR881538A true FR881538A (en) 1943-04-28

Family

ID=33100497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881538D Expired FR881538A (en) 1941-04-15 1942-04-25 Electrical signaling systems

Country Status (3)

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

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
FR959077A (en) * 1942-10-31 1950-03-23
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 (en) * 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 (en) * 1949-11-26
US2620385A (en) * 1949-11-30 1952-12-02 Specialties Dev Corp Photoelectrically controlled system for detecting suspended matter in fluids
BE514161A (en) * 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
BE445114A (en)
US2444065A (en) 1948-06-29

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