IN165047B - - Google Patents
Info
- Publication number
- IN165047B IN165047B IN587/CAL/87A IN587CA1987A IN165047B IN 165047 B IN165047 B IN 165047B IN 587CA1987 A IN587CA1987 A IN 587CA1987A IN 165047 B IN165047 B IN 165047B
- Authority
- IN
- India
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
- H04R1/20—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
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863630951 DE3630951A1 (de) | 1986-09-11 | 1986-09-11 | Anordnung zur frequenzgangverbesserung fuer elektroakustische wandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN165047B true IN165047B (ko) | 1989-08-05 |
Family
ID=6309375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN587/CAL/87A IN165047B (ko) | 1986-09-11 | 1987-07-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4860368A (ko) |
| JP (1) | JPS6370700A (ko) |
| DE (1) | DE3630951A1 (ko) |
| IN (1) | IN165047B (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT400911B (de) * | 1993-03-04 | 1996-04-25 | Koninkl Philips Electronics Nv | Elektroakustischer wandler mit einer trennwand und einer maskenwand |
| AT400910B (de) * | 1994-06-16 | 1996-04-25 | Akg Akustische Kino Geraete | Akustischer widerstand, insbesondere für elektroakustische wandler |
| US8280080B2 (en) * | 2009-04-28 | 2012-10-02 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Microcap acoustic transducer device |
| US9998820B2 (en) * | 2016-01-19 | 2018-06-12 | Donald Pierce Bearden | Acoustic resonator for audio headphones |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267294A (ko) * | 1960-07-22 | |||
| GB2029161B (en) * | 1978-08-21 | 1983-01-26 | Hosiden Electronics Co | Electret microphone |
| US4240002A (en) * | 1979-04-02 | 1980-12-16 | Motorola, Inc. | Piezoelectric transducer arrangement with integral terminals and housing |
| DE3007808A1 (de) * | 1980-02-29 | 1981-09-10 | Siemens AG, 1000 Berlin und 8000 München | Elektroakustischer wandler |
| DE3107293C2 (de) * | 1981-02-26 | 1987-05-14 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur Frequenzgangverbesserung für elektroakustische Wandler |
| JPS6163193A (ja) * | 1984-09-04 | 1986-04-01 | Nippon Chemicon Corp | 電気音響変換器 |
-
1986
- 1986-09-11 DE DE19863630951 patent/DE3630951A1/de not_active Withdrawn
-
1987
- 1987-07-29 IN IN587/CAL/87A patent/IN165047B/en unknown
- 1987-08-20 US US07/087,324 patent/US4860368A/en not_active Expired - Fee Related
- 1987-09-09 JP JP62224229A patent/JPS6370700A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3630951A1 (de) | 1988-03-17 |
| US4860368A (en) | 1989-08-22 |
| JPS6370700A (ja) | 1988-03-30 |