FR1026828A - Improvements to signaling devices - Google Patents

Improvements to signaling devices

Info

Publication number
FR1026828A
FR1026828A FR1026828DA FR1026828A FR 1026828 A FR1026828 A FR 1026828A FR 1026828D A FR1026828D A FR 1026828DA FR 1026828 A FR1026828 A FR 1026828A
Authority
FR
France
Prior art keywords
signaling devices
signaling
devices
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of FR1026828A publication Critical patent/FR1026828A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • X-Ray Techniques (AREA)
FR1026828D 1949-09-14 1950-08-24 Improvements to signaling devices Expired FR1026828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2652514X 1949-09-14

Publications (1)

Publication Number Publication Date
FR1026828A true FR1026828A (en) 1953-05-05

Family

ID=10912746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1026828D Expired FR1026828A (en) 1949-09-14 1950-08-24 Improvements to signaling devices

Country Status (4)

Country Link
US (1) US2652514A (en)
BE (1) BE497802A (en)
DE (1) DE861425C (en)
FR (1) FR1026828A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838706A (en) * 1954-02-18 1958-06-10 Raytheon Mfg Co Method and apparatus for electronic commutation
US2827590A (en) * 1955-05-17 1958-03-18 Burroughs Corp Multi-position switching systems
US2877376A (en) * 1955-09-06 1959-03-10 Itt Phosphor screen device
US2931936A (en) * 1958-12-08 1960-04-05 Philco Corp Character generating means for electronic information display systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR776476A (en) * 1933-07-16 1934-01-25 Loewe Opta Gmbh Electron tube
US2247350A (en) * 1937-08-07 1941-07-01 Firm Of Fernseh Aktien Ges Cathode ray apparatus
US2214729A (en) * 1939-08-31 1940-09-17 Rca Corp Magnetic field neutralizing system
US2395299A (en) * 1939-11-13 1946-02-19 Bell Telephone Labor Inc Electron discharge apparatus
US2302311A (en) * 1941-10-30 1942-11-17 Alfred N Goldsmith Electronic system
US2365476A (en) * 1943-05-11 1944-12-19 Du Mont Allen B Lab Inc Electronic switch and rectangular wave generator
US2522055A (en) * 1945-12-31 1950-09-12 Gen Railway Signal Co Electronic translating device
US2512655A (en) * 1946-07-19 1950-06-27 Hans W Kohler Electrical apparatus
GB623038A (en) * 1946-08-14 1949-05-11 Gen Electric Co Ltd Improvements in and relating to multi-channel signalling systems
US2573175A (en) * 1948-09-04 1951-10-30 Republic Aviat Corp Electronic signaling system
US2534372A (en) * 1948-11-19 1950-12-19 Bell Telephone Labor Inc Cathode-ray device
US2533401A (en) * 1949-09-14 1950-12-12 Nat Union Radio Corp Coincidence detector of the focused rotary electron beam kind

Also Published As

Publication number Publication date
BE497802A (en)
US2652514A (en) 1953-09-15
DE861425C (en) 1953-01-05

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