GB1354833A - Telephone instrument suitable for use in a closed-loop system - Google Patents

Telephone instrument suitable for use in a closed-loop system

Info

Publication number
GB1354833A
GB1354833A GB3333572A GB3333572A GB1354833A GB 1354833 A GB1354833 A GB 1354833A GB 3333572 A GB3333572 A GB 3333572A GB 3333572 A GB3333572 A GB 3333572A GB 1354833 A GB1354833 A GB 1354833A
Authority
GB
United Kingdom
Prior art keywords
pulse
station
identity
synch
time slot
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
GB3333572A
Other languages
English (en)
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
Compagnie Industrielle de Telecommunication CIT Alcatel SA
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 Alcatel CIT SA, Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Alcatel CIT SA
Publication of GB1354833A publication Critical patent/GB1354833A/en
Expired legal-status Critical Current

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
GB3333572A 1971-07-16 1972-07-17 Telephone instrument suitable for use in a closed-loop system Expired GB1354833A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1354833A true GB1354833A (en) 1974-06-05

Family

ID=9080502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3333572A Expired GB1354833A (en) 1971-07-16 1972-07-17 Telephone instrument suitable for use in a closed-loop system

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142507A (en) * 1983-06-27 1985-01-16 Dainippon Screen Mfg Control data transfer

Families Citing this family (2)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142507A (en) * 1983-06-27 1985-01-16 Dainippon Screen Mfg Control data transfer

Also Published As

Publication number Publication date
FR2146542A5 (it) 1973-03-02
BE786051A (fr) 1973-01-10
DE2235079A1 (de) 1973-01-25
IT964685B (it) 1974-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee