JPH0570998B2 - - Google Patents
Info
- Publication number
- JPH0570998B2 JPH0570998B2 JP56191439A JP19143981A JPH0570998B2 JP H0570998 B2 JPH0570998 B2 JP H0570998B2 JP 56191439 A JP56191439 A JP 56191439A JP 19143981 A JP19143981 A JP 19143981A JP H0570998 B2 JPH0570998 B2 JP H0570998B2
- Authority
- JP
- Japan
- Prior art keywords
- acoustic resistance
- microphone
- resistance material
- acoustic
- tubular frame
- 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 - Lifetime
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
- H04R1/32—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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56191439A JPS5892192A (ja) | 1981-11-28 | 1981-11-28 | 指向性マイクロホン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56191439A JPS5892192A (ja) | 1981-11-28 | 1981-11-28 | 指向性マイクロホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5892192A JPS5892192A (ja) | 1983-06-01 |
| JPH0570998B2 true JPH0570998B2 (enExample) | 1993-10-06 |
Family
ID=16274634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56191439A Granted JPS5892192A (ja) | 1981-11-28 | 1981-11-28 | 指向性マイクロホン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5892192A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599502Y2 (ja) * | 1979-08-20 | 1984-03-26 | パイオニア株式会社 | 狭角度指向性小型マイクロホン |
-
1981
- 1981-11-28 JP JP56191439A patent/JPS5892192A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5892192A (ja) | 1983-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4088849A (en) | Headphone unit incorporating microphones for binaural recording | |
| US5844998A (en) | Headphone apparatus | |
| US4653606A (en) | Electroacoustic device with broad frequency range directional response | |
| CA1047943A (en) | Head phone | |
| DE69838266T2 (de) | Akustische Geräuschverminderung | |
| DE60030641T2 (de) | Rauschunterdrückung | |
| JPS6181283U (enExample) | ||
| US4633045A (en) | Differential microphone | |
| US3722616A (en) | Directional loudspeaker system | |
| US2656004A (en) | Multisection acoustic filter | |
| CA1076033A (en) | Sound projection system | |
| DE2803411A1 (de) | Kopfhoerer zum verbesserten raeumlichen hoeren | |
| DE2343818C3 (de) | Kopfhörer | |
| JP2000083292A (ja) | 狭指向性コンデンサマイクロホン | |
| DE3049803C1 (de) | Orthodynamischer Kopfhoerer | |
| JP3593554B2 (ja) | 風切り音防止型マイクロホン | |
| JPH0570998B2 (enExample) | ||
| US3749198A (en) | Sound reproduction system | |
| JP3224360B2 (ja) | 単一指向性ダイナミックマイクロホンユニット | |
| JP4027497B2 (ja) | 狭指向性マイクロホン | |
| JPS6161597B2 (enExample) | ||
| JP2601648Y2 (ja) | ラインマイクロホンの音響管 | |
| JPS628557Y2 (enExample) | ||
| JP3065455B2 (ja) | スピーカ用グリル | |
| JPS643433B2 (enExample) |