FR2283571A1 - Appareil de commande de puissance et/ou de reception d'informations - Google Patents

Appareil de commande de puissance et/ou de reception d'informations

Info

Publication number
FR2283571A1
FR2283571A1 FR7429101A FR7429101A FR2283571A1 FR 2283571 A1 FR2283571 A1 FR 2283571A1 FR 7429101 A FR7429101 A FR 7429101A FR 7429101 A FR7429101 A FR 7429101A FR 2283571 A1 FR2283571 A1 FR 2283571A1
Authority
FR
France
Prior art keywords
charging current
power supply
transmission line
control signals
remote equipment
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.)
Granted
Application number
FR7429101A
Other languages
English (en)
French (fr)
Other versions
FR2283571B1 (enExample
Inventor
Pierre Godard
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.)
SAFT Societe des Accumulateurs Fixes et de Traction SA
Original Assignee
SAFT Societe des Accumulateurs Fixes et de Traction 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 SAFT Societe des Accumulateurs Fixes et de Traction SA filed Critical SAFT Societe des Accumulateurs Fixes et de Traction SA
Priority to FR7429101A priority Critical patent/FR2283571A1/fr
Publication of FR2283571A1 publication Critical patent/FR2283571A1/fr
Application granted granted Critical
Publication of FR2283571B1 publication Critical patent/FR2283571B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/06—Calling by using amplitude or polarity of DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
FR7429101A 1974-08-26 1974-08-26 Appareil de commande de puissance et/ou de reception d'informations Granted FR2283571A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7429101A FR2283571A1 (fr) 1974-08-26 1974-08-26 Appareil de commande de puissance et/ou de reception d'informations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7429101A FR2283571A1 (fr) 1974-08-26 1974-08-26 Appareil de commande de puissance et/ou de reception d'informations

Publications (2)

Publication Number Publication Date
FR2283571A1 true FR2283571A1 (fr) 1976-03-26
FR2283571B1 FR2283571B1 (enExample) 1977-03-25

Family

ID=9142572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7429101A Granted FR2283571A1 (fr) 1974-08-26 1974-08-26 Appareil de commande de puissance et/ou de reception d'informations

Country Status (1)

Country Link
FR (1) FR2283571A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562781A3 (en) * 1992-03-24 1994-07-20 Geco As Method of and apparatus for operating equipment installed in marine seismic tows

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU45039A1 (enExample) * 1962-12-18 1964-06-17
DE1173128B (de) * 1961-03-21 1964-07-02 Charbonnages De France Elektrische Fernschaltanordnung mit einem Schalttransistor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173128B (de) * 1961-03-21 1964-07-02 Charbonnages De France Elektrische Fernschaltanordnung mit einem Schalttransistor
LU45039A1 (enExample) * 1962-12-18 1964-06-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562781A3 (en) * 1992-03-24 1994-07-20 Geco As Method of and apparatus for operating equipment installed in marine seismic tows

Also Published As

Publication number Publication date
FR2283571B1 (enExample) 1977-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse