FR75344E - Electronic absorption device controlled by a metal plate influenced by a hand - Google Patents

Electronic absorption device controlled by a metal plate influenced by a hand

Info

Publication number
FR75344E
FR75344E FR789431A FR789431A FR75344E FR 75344 E FR75344 E FR 75344E FR 789431 A FR789431 A FR 789431A FR 789431 A FR789431 A FR 789431A FR 75344 E FR75344 E FR 75344E
Authority
FR
France
Prior art keywords
hand
metal plate
absorption device
device controlled
electronic absorption
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
FR789431A
Other languages
French (fr)
Inventor
Rolland Davoine
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
Priority to FR789431A priority Critical patent/FR75344E/en
Application granted granted Critical
Publication of FR75344E publication Critical patent/FR75344E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR789431A 1959-03-16 1959-03-16 Electronic absorption device controlled by a metal plate influenced by a hand Expired FR75344E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR789431A FR75344E (en) 1959-03-16 1959-03-16 Electronic absorption device controlled by a metal plate influenced by a hand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR789431A FR75344E (en) 1959-03-16 1959-03-16 Electronic absorption device controlled by a metal plate influenced by a hand

Publications (1)

Publication Number Publication Date
FR75344E true FR75344E (en) 1961-06-09

Family

ID=8712498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789431A Expired FR75344E (en) 1959-03-16 1959-03-16 Electronic absorption device controlled by a metal plate influenced by a hand

Country Status (1)

Country Link
FR (1) FR75344E (en)

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