BE786051A - Poste telephonique pour systeme en boucle fermee - Google Patents

Poste telephonique pour systeme en boucle fermee

Info

Publication number
BE786051A
BE786051A BE786051A BE786051A BE786051A BE 786051 A BE786051 A BE 786051A BE 786051 A BE786051 A BE 786051A BE 786051 A BE786051 A BE 786051A BE 786051 A BE786051 A BE 786051A
Authority
BE
Belgium
Prior art keywords
closed loop
loop system
telephone station
telephone
station
Prior art date
Application number
BE786051A
Other languages
English (en)
French (fr)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE786051A publication Critical patent/BE786051A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q3/00—Igniters using electrically-produced sparks
    • F23Q3/002—Igniters using electrically-produced sparks using piezoelectric elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • G03B15/0463—Piezoelectric ignition mechanisms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
BE786051A 1971-07-16 1972-07-10 Poste telephonique pour systeme en boucle fermee BE786051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7126208A FR2146542A5 (xx) 1971-07-16 1971-07-16

Publications (1)

Publication Number Publication Date
BE786051A true BE786051A (fr) 1973-01-10

Family

ID=9080502

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786051A BE786051A (fr) 1971-07-16 1972-07-10 Poste telephonique pour systeme en boucle fermee

Country Status (5)

Country Link
BE (1) BE786051A (xx)
DE (1) DE2235079A1 (xx)
FR (1) FR2146542A5 (xx)
GB (1) GB1354833A (xx)
IT (1) IT964685B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538637C2 (de) * 1975-08-30 1983-05-05 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin Digitales Zeitmultiplex-Nachrichtensystem
DE2917675A1 (de) * 1979-04-27 1980-11-06 Hertz Inst Heinrich Digitales zeitmultiplex-nachrichtensystem
JPS607538A (ja) * 1983-06-27 1985-01-16 Dainippon Screen Mfg Co Ltd デ−タ転送制御方法

Also Published As

Publication number Publication date
FR2146542A5 (xx) 1973-03-02
GB1354833A (en) 1974-06-05
DE2235079A1 (de) 1973-01-25
IT964685B (it) 1974-01-31

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