FR1416940A - Shock-protected electro-acoustic transformer - Google Patents
Shock-protected electro-acoustic transformerInfo
- Publication number
- FR1416940A FR1416940A FR997989A FR997989A FR1416940A FR 1416940 A FR1416940 A FR 1416940A FR 997989 A FR997989 A FR 997989A FR 997989 A FR997989 A FR 997989A FR 1416940 A FR1416940 A FR 1416940A
- Authority
- FR
- France
- Prior art keywords
- shock
- acoustic transformer
- electro
- protected
- protected electro
- 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
Classifications
-
- 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
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR997989A FR1416940A (en) | 1963-12-10 | 1964-12-09 | Shock-protected electro-acoustic transformer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1511363A CH407234A (en) | 1963-12-10 | 1963-12-10 | Electroacoustic converter with shock protection |
FR997989A FR1416940A (en) | 1963-12-10 | 1964-12-09 | Shock-protected electro-acoustic transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1416940A true FR1416940A (en) | 1965-11-05 |
Family
ID=25715753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR997989A Expired FR1416940A (en) | 1963-12-10 | 1964-12-09 | Shock-protected electro-acoustic transformer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1416940A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2392571A1 (en) * | 1977-05-26 | 1978-12-22 | Akg Akustische Kino Geraete | MOUNTING FOR THE SUPPRESSION OF IMPACT NOISE ON MICROPHONES |
EP0058422A2 (en) * | 1979-02-27 | 1982-08-25 | Australasian Training Aids (Pty) Ltd. | A shock or pressure wave detecting transducer assembly |
-
1964
- 1964-12-09 FR FR997989A patent/FR1416940A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2392571A1 (en) * | 1977-05-26 | 1978-12-22 | Akg Akustische Kino Geraete | MOUNTING FOR THE SUPPRESSION OF IMPACT NOISE ON MICROPHONES |
EP0058422A2 (en) * | 1979-02-27 | 1982-08-25 | Australasian Training Aids (Pty) Ltd. | A shock or pressure wave detecting transducer assembly |
EP0058422A3 (en) * | 1979-02-27 | 1982-12-01 | Australasian Training Aids (Pty) Ltd. | A shock or pressure wave detecting transducer assembly |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT247437B (en) | speaker | |
CH429897A (en) | Transformer differential protection | |
FR1402696A (en) | Herbicides | |
FR1416940A (en) | Shock-protected electro-acoustic transformer | |
FR1387956A (en) | arc electrode | |
FR1388019A (en) | Muff | |
CH425225A (en) | Composed film | |
FR1342609A (en) | Disc plow | |
AT244406B (en) | Blocking transducer | |
CH422920A (en) | Primary element | |
AT244551B (en) | insulating material | |
FR1397896A (en) | Transistor transformer | |
FR1392132A (en) | Hand case | |
FR1358806A (en) | Metallic hourdis | |
FR1368297A (en) | Wall-mounted box | |
FR1390221A (en) | Transformer | |
FR1342687A (en) | Differential protection | |
FR1375246A (en) | Stato-dynamic speaker | |
FR1370408A (en) | Transformer assembly | |
CH420858A (en) | Copier | |
FI46527B (en) | SAETT ATT FRAMSTAELLA ABSORBERANDE OCH LUFTGENOMSLAEPPANDE UNDERKLAEDER | |
AT256504B (en) | Radiation protection goggles | |
FR1352497A (en) | Plasma torch | |
CH418531A (en) | Sterilizer | |
FR1399235A (en) | Speaker enhancements |