JPS63138839A - 電話機のハンドセツト本体に設けられた電気音響変換器の周波数特性改善装置 - Google Patents
電話機のハンドセツト本体に設けられた電気音響変換器の周波数特性改善装置Info
- Publication number
- JPS63138839A JPS63138839A JP28966987A JP28966987A JPS63138839A JP S63138839 A JPS63138839 A JP S63138839A JP 28966987 A JP28966987 A JP 28966987A JP 28966987 A JP28966987 A JP 28966987A JP S63138839 A JPS63138839 A JP S63138839A
- Authority
- JP
- Japan
- Prior art keywords
- resonance
- frequency characteristic
- chamber
- main body
- frequency characteristics
- 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.)
- Pending
Links
- 239000002775 capsule Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 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
- 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19868631001 DE8631001U1 (de) | 1986-11-20 | 1986-11-20 | Anordnung zur Frequenzgangverbesserung von in Handapparatekörpern von Fernsprechgeräten angeordneten elektroakustischen Wandlern |
DE8631001.1 | 1986-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63138839A true JPS63138839A (ja) | 1988-06-10 |
Family
ID=6800361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28966987A Pending JPS63138839A (ja) | 1986-11-20 | 1987-11-18 | 電話機のハンドセツト本体に設けられた電気音響変換器の周波数特性改善装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS63138839A (US07498051-20090303-C00003.png) |
DE (1) | DE8631001U1 (US07498051-20090303-C00003.png) |
IN (1) | IN168895B (US07498051-20090303-C00003.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06206446A (ja) * | 1992-11-16 | 1994-07-26 | General Motors Corp <Gm> | 自動車用のケーブルガイド・アセンブリ |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009019446B4 (de) | 2009-04-29 | 2014-11-13 | Epcos Ag | MEMS Mikrofon |
-
1986
- 1986-11-20 DE DE19868631001 patent/DE8631001U1/de not_active Expired
-
1987
- 1987-10-15 IN IN803/CAL/87A patent/IN168895B/en unknown
- 1987-11-18 JP JP28966987A patent/JPS63138839A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06206446A (ja) * | 1992-11-16 | 1994-07-26 | General Motors Corp <Gm> | 自動車用のケーブルガイド・アセンブリ |
JP3181775B2 (ja) * | 1992-11-16 | 2001-07-03 | ゼネラル・モーターズ・コーポレーション | 自動車用のケーブルガイドアセンブリ |
Also Published As
Publication number | Publication date |
---|---|
IN168895B (US07498051-20090303-C00003.png) | 1991-07-06 |
DE8631001U1 (de) | 1987-01-22 |
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