CH491459A - Acoustic wave train production process - Google Patents
Acoustic wave train production processInfo
- Publication number
- CH491459A CH491459A CH648868A CH648868A CH491459A CH 491459 A CH491459 A CH 491459A CH 648868 A CH648868 A CH 648868A CH 648868 A CH648868 A CH 648868A CH 491459 A CH491459 A CH 491459A
- Authority
- CH
- Switzerland
- Prior art keywords
- production process
- acoustic wave
- wave train
- train production
- acoustic
- Prior art date
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
- G10K7/00—Sirens
-
- 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
- G10K7/00—Sirens
- G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating Pumps (AREA)
- Catching Or Destruction (AREA)
- Special Spraying Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR107886A FR1531690A (en) | 1967-05-25 | 1967-05-25 | Acoustic generators |
Publications (1)
Publication Number | Publication Date |
---|---|
CH491459A true CH491459A (en) | 1970-05-31 |
Family
ID=8631626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH648868A CH491459A (en) | 1967-05-25 | 1968-05-01 | Acoustic wave train production process |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE714380A (en) |
CH (1) | CH491459A (en) |
DE (1) | DE1766419B1 (en) |
ES (1) | ES364274A1 (en) |
FR (1) | FR1531690A (en) |
GB (1) | GB1209555A (en) |
IL (1) | IL29913A (en) |
LU (1) | LU56069A1 (en) |
NL (1) | NL6807111A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982001329A1 (en) * | 1980-10-17 | 1982-04-29 | Werthajm Marek | Pressurized gas driven sound emitter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572615B1 (en) * | 1984-10-29 | 1988-10-14 | Bertin & Cie | PNEUMATIC SPEAKER WITH CONTINUOUS FLOW PRESSURE FLOW |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1181591B (en) * | 1963-02-01 | 1964-11-12 | Siemens Ag | Pneumatically or hydraulically operated optical or acoustic signaling device |
-
1967
- 1967-05-25 FR FR107886A patent/FR1531690A/en not_active Expired
-
1968
- 1968-04-29 BE BE714380D patent/BE714380A/xx unknown
- 1968-04-29 GB GB20110/68A patent/GB1209555A/en not_active Expired
- 1968-04-30 IL IL29913A patent/IL29913A/en unknown
- 1968-05-01 CH CH648868A patent/CH491459A/en not_active IP Right Cessation
- 1968-05-14 LU LU56069D patent/LU56069A1/xx unknown
- 1968-05-20 NL NL6807111A patent/NL6807111A/xx unknown
- 1968-05-21 DE DE19681766419 patent/DE1766419B1/en active Pending
- 1968-05-24 ES ES364274A patent/ES364274A1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982001329A1 (en) * | 1980-10-17 | 1982-04-29 | Werthajm Marek | Pressurized gas driven sound emitter |
Also Published As
Publication number | Publication date |
---|---|
IL29913A0 (en) | 1970-01-29 |
IL29913A (en) | 1971-06-23 |
NL6807111A (en) | 1968-11-26 |
FR1531690A (en) | 1968-07-05 |
GB1209555A (en) | 1970-10-21 |
DE1766419B1 (en) | 1972-05-31 |
LU56069A1 (en) | 1968-09-04 |
BE714380A (en) | 1968-09-16 |
ES364274A1 (en) | 1970-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |