FR421467A - Wake-up system - Google Patents

Wake-up system

Info

Publication number
FR421467A
FR421467A FR421467DA FR421467A FR 421467 A FR421467 A FR 421467A FR 421467D A FR421467D A FR 421467DA FR 421467 A FR421467 A FR 421467A
Authority
FR
France
Prior art keywords
wake
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)
Inventor
Alfons Heusser
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.)
ALFONS HEUSSER
Original Assignee
ALFONS HEUSSER
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 ALFONS HEUSSER filed Critical ALFONS HEUSSER
Application granted granted Critical
Publication of FR421467A publication Critical patent/FR421467A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/205—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm by the hand(s) or handlike members closing the contact
FR421467D 1910-10-14 1910-10-14 Wake-up system Expired FR421467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR421467T 1910-10-14

Publications (1)

Publication Number Publication Date
FR421467A true FR421467A (en) 1911-02-23

Family

ID=1464514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421467D Expired FR421467A (en) 1910-10-14 1910-10-14 Wake-up system

Country Status (1)

Country Link
FR (1) FR421467A (en)

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