US864909A - Sound-producing device. - Google Patents
Sound-producing device. Download PDFInfo
- Publication number
- US864909A US864909A US32543006A US1906325430A US864909A US 864909 A US864909 A US 864909A US 32543006 A US32543006 A US 32543006A US 1906325430 A US1906325430 A US 1906325430A US 864909 A US864909 A US 864909A
- Authority
- US
- United States
- Prior art keywords
- sound
- producing device
- producing
- northey
- inventor
- 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 - Lifetime
Links
Images
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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
- G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Examining Or Testing Airtightness (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
No. 864,909. PATENTED SEPT. 3, 1907. J. P. NORTHEY.
SOUND PRODUCING DEVICE.
APPLICATION FILED JULYQ. 1906.
WI 77V 6 SE5. INVENTOR.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32543006A US864909A (en) | 1906-07-09 | 1906-07-09 | Sound-producing device. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32543006A US864909A (en) | 1906-07-09 | 1906-07-09 | Sound-producing device. |
Publications (1)
Publication Number | Publication Date |
---|---|
US864909A true US864909A (en) | 1907-09-03 |
Family
ID=2933359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US32543006A Expired - Lifetime US864909A (en) | 1906-07-09 | 1906-07-09 | Sound-producing device. |
Country Status (1)
Country | Link |
---|---|
US (1) | US864909A (en) |
-
1906
- 1906-07-09 US US32543006A patent/US864909A/en not_active Expired - Lifetime
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