FR90754E - Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application - Google Patents

Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application

Info

Publication number
FR90754E
FR90754E FR60220A FR60220A FR90754E FR 90754 E FR90754 E FR 90754E FR 60220 A FR60220 A FR 60220A FR 60220 A FR60220 A FR 60220A FR 90754 E FR90754 E FR 90754E
Authority
FR
France
Prior art keywords
amplifier
detector
devices
application
low level
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
FR60220A
Other languages
English (en)
Inventor
Roger Adrien Guasco
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.)
CONST DE VAUX ANDIGNY ATEL
Original Assignee
CONST DE VAUX ANDIGNY ATEL
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
Priority claimed from FR16468A external-priority patent/FR1494065A/fr
Application filed by CONST DE VAUX ANDIGNY ATEL filed Critical CONST DE VAUX ANDIGNY ATEL
Priority to FR60220A priority Critical patent/FR90754E/fr
Priority to DE19661538520 priority patent/DE1538520A1/de
Priority to BE687323D priority patent/BE687323A/xx
Priority to GB4312666A priority patent/GB1164296A/en
Application granted granted Critical
Publication of FR90754E publication Critical patent/FR90754E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F17/00—Amplifiers using electroluminescent element or photocell
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/14—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
FR60220A 1965-05-10 1966-05-04 Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application Expired FR90754E (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR60220A FR90754E (fr) 1965-05-10 1966-05-04 Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application
DE19661538520 DE1538520A1 (de) 1966-05-04 1966-05-10 Vorrichtung zur Isolationskontrolle elektrischer Geraete und/oder Anlagen
BE687323D BE687323A (fr) 1966-05-04 1966-09-23
GB4312666A GB1164296A (en) 1966-05-04 1966-09-27 A Device for Detecting Insulation Faults in Electrical Apparatus.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR16468A FR1494065A (fr) 1965-05-10 1965-05-10 Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application
FR60220A FR90754E (fr) 1965-05-10 1966-05-04 Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application

Publications (1)

Publication Number Publication Date
FR90754E true FR90754E (fr) 1968-02-16

Family

ID=26163738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60220A Expired FR90754E (fr) 1965-05-10 1966-05-04 Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application

Country Status (1)

Country Link
FR (1) FR90754E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630094A (en) * 1948-01-30 1953-03-03 Hacker John Louis Combination shaft strut and housing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630094A (en) * 1948-01-30 1953-03-03 Hacker John Louis Combination shaft strut and housing

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