FR370448A - Dispositif tactile avertisseur d'heure - Google Patents

Dispositif tactile avertisseur d'heure

Info

Publication number
FR370448A
FR370448A FR370448DA FR370448A FR 370448 A FR370448 A FR 370448A FR 370448D A FR370448D A FR 370448DA FR 370448 A FR370448 A FR 370448A
Authority
FR
France
Prior art keywords
touch
warning device
sensitive time
time warning
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
English (en)
Inventor
Marcel Boissaud
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.)
MARCEL BOISSAUD
Original Assignee
MARCEL BOISSAUD
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 MARCEL BOISSAUD filed Critical MARCEL BOISSAUD
Application granted granted Critical
Publication of FR370448A publication Critical patent/FR370448A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B25/00—Indicating the time by other means or by combined means
    • G04B25/02—Indicating the time by other means or by combined means by feeling; Clocks or watches for blind persons
    • G04B25/04—Alarm clocks or watches with devices stimulating the skin

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR370448D 1906-10-12 1906-10-12 Dispositif tactile avertisseur d'heure Expired FR370448A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR370448T 1906-10-12

Publications (1)

Publication Number Publication Date
FR370448A true FR370448A (fr) 1907-02-06

Family

ID=1417371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR370448D Expired FR370448A (fr) 1906-10-12 1906-10-12 Dispositif tactile avertisseur d'heure

Country Status (1)

Country Link
FR (1) FR370448A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588884A (en) * 1948-11-18 1952-03-11 Oliver M Schafer Alarm timepiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588884A (en) * 1948-11-18 1952-03-11 Oliver M Schafer Alarm timepiece

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