CH87478A - Electric bell. - Google Patents

Electric bell.

Info

Publication number: CH87478A
Authority: CH; Switzerland
Prior art keywords: electric bell; bell; electric
Prior art date: 1919-02-24

Application number

Other languages

German (de)

Inventor

Magerle Ing Edmund

Original Assignee

Magerle Ing Edmund

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.)

1919-02-24

Filing date

1919-10-29

Publication date

1920-12-01

1919-10-29 Application filed by Magerle Ing Edmund filed Critical Magerle Ing Edmund

1920-12-01 Publication of CH87478A publication Critical patent/CH87478A/en

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
- G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
- G10K1/064—Operating or striking mechanisms therefor

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Electromagnets (AREA)

CH87478D 1919-02-24 1919-10-29 Electric bell. CH87478A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT510522X		1919-02-24

Publications (1)

Publication Number	Publication Date
CH87478A true CH87478A (en)	1920-12-01

Family

ID=3675556

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH87478D CH87478A (en)	1919-02-24	1919-10-29	Electric bell.

Country Status (3)

Country	Link
CH (1)	CH87478A (en)
FR (1)	FR510522A (en)
GB (1)	GB150350A (en)

1919
- 1919-10-29 CH CH87478D patent/CH87478A/en unknown
1920
- 1920-02-23 FR FR510522A patent/FR510522A/en not_active Expired
- 1920-08-25 GB GB24683/20A patent/GB150350A/en not_active Expired

Also Published As

Publication number	Publication date
GB150350A (en)	1921-09-01
FR510522A (en)	1920-12-06

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