FR322339A - Réveilleur électrique billon - Google Patents

Réveilleur électrique billon

Info

Publication number
FR322339A
FR322339A FR322339DA FR322339A FR 322339 A FR322339 A FR 322339A FR 322339D A FR322339D A FR 322339DA FR 322339 A FR322339 A FR 322339A
Authority
FR
France
Prior art keywords
billon
alarm clock
electric alarm
electric
clock
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
Le Billon Francis
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.)
LE BILLON FRANCIS
Original Assignee
LE BILLON FRANCIS
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 LE BILLON FRANCIS filed Critical LE BILLON FRANCIS
Application granted granted Critical
Publication of FR322339A publication Critical patent/FR322339A/fr
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
    • G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
    • G04C21/32—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school giving indications at a number of places each at a different time, e.g. system of alarms in a hotel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR322339D 1902-06-05 1902-06-05 Réveilleur électrique billon Expired FR322339A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR322339T 1902-06-05

Publications (1)

Publication Number Publication Date
FR322339A true FR322339A (fr) 1903-02-02

Family

ID=1372711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR322339D Expired FR322339A (fr) 1902-06-05 1902-06-05 Réveilleur électrique billon

Country Status (1)

Country Link
FR (1) FR322339A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082609A (en) * 1971-03-16 1978-04-04 Hochtemperatur-Kernkraftwerk Gmbh, Gemeinsames Europaisches Unternehmen Control rod for gas-cooled nuclear reactors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082609A (en) * 1971-03-16 1978-04-04 Hochtemperatur-Kernkraftwerk Gmbh, Gemeinsames Europaisches Unternehmen Control rod for gas-cooled nuclear reactors

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