FR447586A - Horloges électriques à réveil et à répétition - Google Patents

Horloges électriques à réveil et à répétition

Info

Publication number: FR447586A
Authority: FR; France
Prior art keywords: repeater; electric alarm; alarm clocks; clocks; electric
Prior art date: 1912-08-23
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

Inventor

Gustav Lange

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.)

Individual

Original Assignee

Individual

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.)

1912-08-23

Filing date

1912-08-23

Publication date

1913-01-09

1912-08-23 Application filed by Individual filed Critical Individual

1913-01-09 Application granted granted Critical

1913-01-09 Publication of FR447586A publication Critical patent/FR447586A/fr

Status Expired legal-status Critical Current

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
- G04C21/326—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 adjustable from the different places themselves
- 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)

FR447586D 1912-08-23 1912-08-23 Horloges électriques à réveil et à répétition Expired FR447586A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR447586T		1912-08-23

Publications (1)

Publication Number	Publication Date
FR447586A true FR447586A (fr)	1913-01-09

Family

ID=1488269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR447586D Expired FR447586A (fr)	1912-08-23	1912-08-23	Horloges électriques à réveil et à répétition

Country Status (1)

Country	Link
FR (1)	FR447586A (fr)

1912
- 1912-08-23 FR FR447586D patent/FR447586A/fr not_active Expired

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