JPS6037992U - microphone - Google Patents

microphone

Info

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
Application number
JP12997383U
Other languages
Japanese (ja)
Inventor
茨木　悟
博基 古川
博之 直野
Original Assignee
松下電器産業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP12997383U priority Critical patent/JPS6037992U/en
Publication of JPS6037992U publication Critical patent/JPS6037992U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）複数個のマイクロホン素子と、前記マイクロホン
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. （２）第１の手段はフィルタ回路より成る実用新案登録
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.
JP12997383U 1983-08-23 1983-08-23 microphone Pending JPS6037992U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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