GB1233457A - - Google Patents
Info
- Publication number
- GB1233457A GB1233457A GB1233457DA GB1233457A GB 1233457 A GB1233457 A GB 1233457A GB 1233457D A GB1233457D A GB 1233457DA GB 1233457 A GB1233457 A GB 1233457A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microphone
- capsule
- capsules
- capacitor
- output
- 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
- 239000002775 capsule Substances 0.000 abstract 18
- 239000003990 capacitor Substances 0.000 abstract 9
- 239000000463 material Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4521067 | 1967-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1233457A true GB1233457A (cs) | 1971-05-26 |
Family
ID=12712887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1233457D Expired GB1233457A (cs) | 1967-07-13 | 1968-07-11 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3581012A (cs) |
| DE (1) | DE1762585A1 (cs) |
| GB (1) | GB1233457A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058171A (en) * | 1989-07-26 | 1991-10-15 | AKG Akustische u. Kino-Gerate Gesellschaft m.b.H | Microphone arrangement |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3793489A (en) * | 1972-05-22 | 1974-02-19 | Rca Corp | Ultradirectional microphone |
| US4463453A (en) * | 1981-12-22 | 1984-07-31 | The Boeing Company | Acoustic intensity measurement apparatus and method including probe having ambient noise shield |
| JP5043701B2 (ja) * | 2008-02-04 | 2012-10-10 | キヤノン株式会社 | 音声再生装置及びその制御方法 |
| JP5687580B2 (ja) * | 2011-08-02 | 2015-03-18 | 株式会社オーディオテクニカ | 狭指向性マイクロホン |
| US9124220B2 (en) | 2013-03-14 | 2015-09-01 | Robert Bosch Gmbh | Differential microphone with dual polarity bias |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2301744A (en) * | 1941-05-31 | 1942-11-10 | Rca Corp | Electroacoustical signal translating apparatus |
| DE1073546B (de) * | 1955-05-26 | 1960-01-21 | Rudolf Gorike Wien Dr | Richtmikrophon mit geringer Erschutterungs- und Windempfind lichkeit |
| US3204031A (en) * | 1961-08-29 | 1965-08-31 | Akg Akustische Kino Geraete | Moving-coil microphone arrangement |
-
1968
- 1968-07-03 US US742378A patent/US3581012A/en not_active Expired - Lifetime
- 1968-07-11 GB GB1233457D patent/GB1233457A/en not_active Expired
- 1968-07-12 DE DE19681762585 patent/DE1762585A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058171A (en) * | 1989-07-26 | 1991-10-15 | AKG Akustische u. Kino-Gerate Gesellschaft m.b.H | Microphone arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| US3581012A (en) | 1971-05-25 |
| DE1762585A1 (de) | 1970-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |