CH571902A5 - - Google Patents
Info
- Publication number
- CH571902A5 CH571902A5 CH1597471A CH1597471A CH571902A5 CH 571902 A5 CH571902 A5 CH 571902A5 CH 1597471 A CH1597471 A CH 1597471A CH 1597471 A CH1597471 A CH 1597471A CH 571902 A5 CH571902 A5 CH 571902A5
- Authority
- CH
- Switzerland
Links
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
- G10K5/00—Whistles
- G10K5/02—Ultrasonic whistles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8591170A | 1970-11-02 | 1970-11-02 | |
| US00189206A US3831550A (en) | 1970-11-02 | 1971-10-14 | Sonic wave generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH571902A5 true CH571902A5 (en) | 1976-01-30 |
Family
ID=26773230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1597471A CH571902A5 (en) | 1970-11-02 | 1971-11-02 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3831550A (en) |
| AR (1) | AR199875A1 (en) |
| BE (1) | BE774774A (en) |
| CA (1) | CA977453A (en) |
| CH (1) | CH571902A5 (en) |
| IT (1) | IT942761B (en) |
| NL (1) | NL7115081A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2353822A (en) * | 1999-09-04 | 2001-03-07 | Ford Global Tech Inc | Injecting atomic nitrogen into i.c. engine combustion chamber to reduce NOx |
| CN110124976B (en) * | 2019-05-16 | 2024-05-17 | 中国计量大学 | Pneumatic strong sound wave generating device for secondary utilization of exhaust gas |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2019596A (en) * | 1932-09-28 | 1935-11-05 | Broden John Gustaf Mauritz | Acoustic signaling apparatus |
| US2364987A (en) * | 1943-03-29 | 1944-12-12 | Harry F Lee | Atomizer for carburetors |
| US2755767A (en) * | 1951-07-10 | 1956-07-24 | Centre Nat Rech Scient | High power generators of sounds and ultra-sounds |
| US3230923A (en) * | 1962-11-21 | 1966-01-25 | Sonic Dev Corp | Sonic pressure wave generator |
| US3368577A (en) * | 1964-12-04 | 1968-02-13 | Marquardt Corp | Fluid pressure amplifier |
| US3613452A (en) * | 1965-06-30 | 1971-10-19 | Honeywell Inc | Control apparatus |
| US3432804A (en) * | 1966-10-25 | 1969-03-11 | Pitney Bowes Inc | Fluid ultrasonic generator |
| US3581992A (en) * | 1969-04-23 | 1971-06-01 | Energy Sciences Inc | Streaming |
| US3554443A (en) * | 1969-04-23 | 1971-01-12 | Energy Sciences Inc | Phase-resonant streaming |
| US3600612A (en) * | 1970-03-27 | 1971-08-17 | Pitney Bowes Inc | Transducer |
-
1971
- 1971-10-14 US US00189206A patent/US3831550A/en not_active Expired - Lifetime
- 1971-10-26 CA CA126,067A patent/CA977453A/en not_active Expired
- 1971-10-29 BE BE774774A patent/BE774774A/en unknown
- 1971-10-29 IT IT70571/71A patent/IT942761B/en active
- 1971-11-02 AR AR238791A patent/AR199875A1/en active
- 1971-11-02 CH CH1597471A patent/CH571902A5/xx not_active IP Right Cessation
- 1971-11-02 NL NL7115081A patent/NL7115081A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE774774A (en) | 1972-02-14 |
| IT942761B (en) | 1973-04-02 |
| US3831550A (en) | 1974-08-27 |
| CA977453A (en) | 1975-11-04 |
| AR199875A1 (en) | 1974-10-08 |
| NL7115081A (en) | 1972-05-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |