JPS6037992U - microphone - Google Patents
microphoneInfo
- Publication number
- JPS6037992U JPS6037992U JP12997383U JP12997383U JPS6037992U JP S6037992 U JPS6037992 U JP S6037992U JP 12997383 U JP12997383 U JP 12997383U JP 12997383 U JP12997383 U JP 12997383U JP S6037992 U JPS6037992 U JP S6037992U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- microphone elements
- frequency characteristics
- sensitivity frequency
- filter circuit
- 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
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の２次音圧傾度形マイクロホンの回路図、
第２図は同指向特性図、第３図は本考案の一実施例のマ
イクロホンの回路図、第４図は同マイクロホン素子の感
度周波数特性図、第５図は同フィルタ回路図、第６図は
同フィルタ回路の周波数特性図である。
７．８・・・・・・マイクロホン素子、９・・・・・・
減算器、１０・・・・・・フィルタ回路、１１・・・・
・・遅延回路。Figure 1 is a circuit diagram of a conventional secondary sound pressure gradient microphone.
Fig. 2 is a directivity characteristic diagram, Fig. 3 is a circuit diagram of a microphone according to an embodiment of the present invention, Fig. 4 is a sensitivity frequency characteristic diagram of the microphone element, Fig. 5 is a filter circuit diagram, and Fig. 6 is a frequency characteristic diagram of the same filter circuit. 7.8...Microphone element, 9...
Subtractor, 10...Filter circuit, 11...
...Delay circuit.
Claims (2)
素子の感度周波数特性を調整し同一の感度周波数特性と
する第１の手段と、前記第１の手段又は前記マイクロホ
ン素子の出力を合成して指向性を得る第２の手段とを備
えてなるマイクロホン。(1) A plurality of microphone elements, a first means for adjusting the sensitivity frequency characteristics of the microphone elements to have the same sensitivity frequency characteristics, and combining the outputs of the first means or the microphone elements to obtain directivity. and a second means for obtaining.
請求の範囲第１項記載のマイクロホン。(2) The microphone according to claim 1, wherein the first means comprises a filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12997383U JPS6037992U (en) | 1983-08-23 | 1983-08-23 | microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12997383U JPS6037992U (en) | 1983-08-23 | 1983-08-23 | microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6037992U true JPS6037992U (en) | 1985-03-15 |
Family
ID=30294326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12997383U Pending JPS6037992U (en) | 1983-08-23 | 1983-08-23 | microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62189898A (en) * | 1986-02-17 | 1987-08-19 | Aiwa Co Ltd | Directional microphone device |
| JP2010263280A (en) * | 2009-04-30 | 2010-11-18 | Panasonic Corp | Sound signal processor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56116396A (en) * | 1980-02-19 | 1981-09-12 | Victor Co Of Japan Ltd | Unidirectional microphone system with secondary sound pressure gradient |
-
1983
- 1983-08-23 JP JP12997383U patent/JPS6037992U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56116396A (en) * | 1980-02-19 | 1981-09-12 | Victor Co Of Japan Ltd | Unidirectional microphone system with secondary sound pressure gradient |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62189898A (en) * | 1986-02-17 | 1987-08-19 | Aiwa Co Ltd | Directional microphone device |
| JP2010263280A (en) * | 2009-04-30 | 2010-11-18 | Panasonic Corp | Sound signal processor |
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