FR696617A - Device sensitive to the action of light - Google Patents

Device sensitive to the action of light

Info

Publication number
FR696617A
FR696617A FR696617DA FR696617A FR 696617 A FR696617 A FR 696617A FR 696617D A FR696617D A FR 696617DA FR 696617 A FR696617 A FR 696617A
Authority
FR
France
Prior art keywords
action
light
device sensitive
sensitive
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
French (fr)
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.)
Radiovisor Foreign & Colonial
Original Assignee
Radiovisor Foreign & Colonial
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 Radiovisor Foreign & Colonial filed Critical Radiovisor Foreign & Colonial
Application granted granted Critical
Publication of FR696617A publication Critical patent/FR696617A/en
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
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/24—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input
FR696617D 1929-06-05 1930-06-03 Device sensitive to the action of light Expired FR696617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB696617X 1929-06-05

Publications (1)

Publication Number Publication Date
FR696617A true FR696617A (en) 1931-01-05

Family

ID=10493469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696617D Expired FR696617A (en) 1929-06-05 1930-06-03 Device sensitive to the action of light

Country Status (1)

Country Link
FR (1) FR696617A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746365C (en) * 1936-09-18 1944-08-01 Siemens Ag Protection device for AC switchgear, especially busbars, against arcing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746365C (en) * 1936-09-18 1944-08-01 Siemens Ag Protection device for AC switchgear, especially busbars, against arcing

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