FR2283571A1 - Appareil de commande de puissance et/ou de reception d'informations - Google Patents
Appareil de commande de puissance et/ou de reception d'informationsInfo
- 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
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)
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 (fr) | 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 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0562781A2 (fr) * | 1992-03-24 | 1993-09-29 | Geco A.S. | Procédé de et dispositif pour équipement d'opération installé dans des flûtes sismique |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU45039A1 (fr) * | 1962-12-18 | 1964-06-17 | ||
DE1173128B (de) * | 1961-03-21 | 1964-07-02 | Charbonnages De France | Elektrische Fernschaltanordnung mit einem Schalttransistor |
-
1974
- 1974-08-26 FR FR7429101A patent/FR2283571A1/fr active Granted
Patent Citations (2)
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 (fr) * | 1962-12-18 | 1964-06-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0562781A2 (fr) * | 1992-03-24 | 1993-09-29 | Geco A.S. | Procédé de et dispositif pour équipement d'opération installé dans des flûtes sismique |
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 (fr) | 1977-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |