CH471604A - Tragbare Schallquelle - Google Patents
Tragbare SchallquelleInfo
- Publication number
- CH471604A CH471604A CH267567A CH267567A CH471604A CH 471604 A CH471604 A CH 471604A CH 267567 A CH267567 A CH 267567A CH 267567 A CH267567 A CH 267567A CH 471604 A CH471604 A CH 471604A
- Authority
- CH
- Switzerland
- Prior art keywords
- mass
- housing
- sound
- sound source
- source according
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE694463 | 1967-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH471604A true CH471604A (de) | 1969-04-30 |
Family
ID=3850271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH267567A CH471604A (de) | 1967-02-22 | 1967-02-23 | Tragbare Schallquelle |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE694463A (zh) |
CH (1) | CH471604A (zh) |
-
1967
- 1967-02-22 BE BE694463D patent/BE694463A/xx unknown
- 1967-02-23 CH CH267567A patent/CH471604A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE694463A (zh) | 1967-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |