FR1501583A - Transducteur électro-acoustique résistant aux chocs - Google Patents
Transducteur électro-acoustique résistant aux chocsInfo
- Publication number
- FR1501583A FR1501583A FR84899A FR84899A FR1501583A FR 1501583 A FR1501583 A FR 1501583A FR 84899 A FR84899 A FR 84899A FR 84899 A FR84899 A FR 84899A FR 1501583 A FR1501583 A FR 1501583A
- Authority
- FR
- France
- Prior art keywords
- acoustic transducer
- shock resistant
- resistant electro
- electro
- shock
- 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
Links
- 230000035939 shock Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50988665A | 1965-11-26 | 1965-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1501583A true FR1501583A (fr) | 1967-11-10 |
Family
ID=24028498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR84899A Expired FR1501583A (fr) | 1965-11-26 | 1966-11-24 | Transducteur électro-acoustique résistant aux chocs |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE690021A (fr) |
FR (1) | FR1501583A (fr) |
NL (1) | NL6616640A (fr) |
-
1966
- 1966-11-22 BE BE690021D patent/BE690021A/xx unknown
- 1966-11-24 FR FR84899A patent/FR1501583A/fr not_active Expired
- 1966-11-25 NL NL6616640A patent/NL6616640A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6616640A (fr) | 1967-05-29 |
BE690021A (fr) | 1967-05-02 |
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