FR1080760A - Montage fournissant un signal d'occupation dans un système de téléphonie automatique - Google Patents

Montage fournissant un signal d'occupation dans un système de téléphonie automatique

Info

Publication number
FR1080760A
FR1080760A FR1080760DA FR1080760A FR 1080760 A FR1080760 A FR 1080760A FR 1080760D A FR1080760D A FR 1080760DA FR 1080760 A FR1080760 A FR 1080760A
Authority
FR
France
Prior art keywords
telephone system
busy signal
automatic telephone
circuitry providing
circuitry
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
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1080760A publication Critical patent/FR1080760A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/02—Circular saw blades
    • B23D61/023—Circular saw blades with inserted segments having more than one tooth
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)
FR1080760D 1952-05-05 1953-05-04 Montage fournissant un signal d'occupation dans un système de téléphonie automatique Expired FR1080760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL313271X 1952-05-05

Publications (1)

Publication Number Publication Date
FR1080760A true FR1080760A (fr) 1954-12-13

Family

ID=19783709

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1080760D Expired FR1080760A (fr) 1952-05-05 1953-05-04 Montage fournissant un signal d'occupation dans un système de téléphonie automatique
FR1080761D Expired FR1080761A (fr) 1952-05-05 1953-05-04 Montage pour un système de téléphonie automatique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1080761D Expired FR1080761A (fr) 1952-05-05 1953-05-04 Montage pour un système de téléphonie automatique

Country Status (7)

Country Link
US (1) US2739265A (OSRAM)
BE (1) BE519679A (OSRAM)
CH (2) CH313271A (OSRAM)
DE (2) DE923673C (OSRAM)
FR (2) FR1080760A (OSRAM)
GB (2) GB725733A (OSRAM)
NL (4) NL169331B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862149A (en) * 1953-01-12 1958-11-25 Automatie Telephone & Electric Telecommunication systems
US2872619A (en) * 1954-02-04 1959-02-03 Automatic Telephone & Elect Counting circuits
NL254193A (OSRAM) * 1959-07-29

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310105A (en) * 1941-04-16 1943-02-02 Gen Electric Counter circuit
US2549769A (en) * 1943-08-31 1951-04-24 Int Standard Electric Corp Arrangement for counting electrical impulses

Also Published As

Publication number Publication date
NL89685C (OSRAM)
NL87343C (OSRAM)
GB733577A (en) 1955-07-13
BE519679A (OSRAM)
US2739265A (en) 1956-03-20
FR1080761A (fr) 1954-12-13
GB725733A (en) 1955-03-09
NL169331B (nl)
CH315217A (de) 1956-07-31
NL84684C (OSRAM)
DE923673C (de) 1955-04-04
DE923672C (de) 1955-03-07
CH313271A (de) 1956-03-31

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