FR28645E - Relais à signal lumineux - Google Patents

Relais à signal lumineux

Info

Publication number
FR28645E
FR28645E FR28645DA FR28645E FR 28645 E FR28645 E FR 28645E FR 28645D A FR28645D A FR 28645DA FR 28645 E FR28645 E FR 28645E
Authority
FR
France
Prior art keywords
light signal
signal relay
relay
light
signal
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
Other languages
English (en)
Inventor
Henri Lorry
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 filed Critical
Application granted granted Critical
Publication of FR28645E publication Critical patent/FR28645E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/20—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for producing frequency-selective operation of the relay
FR28645D 1924-01-08 1924-01-08 Relais à signal lumineux Expired FR28645E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28645T 1924-01-08

Publications (1)

Publication Number Publication Date
FR28645E true FR28645E (fr) 1925-03-17

Family

ID=8666791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28645D Expired FR28645E (fr) 1924-01-08 1924-01-08 Relais à signal lumineux

Country Status (1)

Country Link
FR (1) FR28645E (fr)

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