JPS6353760B2 - - Google Patents

Info

Publication number
JPS6353760B2
JPS6353760B2 JP6388383A JP6388383A JPS6353760B2 JP S6353760 B2 JPS6353760 B2 JP S6353760B2 JP 6388383 A JP6388383 A JP 6388383A JP 6388383 A JP6388383 A JP 6388383A JP S6353760 B2 JPS6353760 B2 JP S6353760B2
Authority
JP
Japan
Prior art keywords
insulator
acoustic resistance
resistance material
back electrode
acoustic
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
Application number
JP6388383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59189798A (ja
Inventor
Isanaga Yasuno
Yoshitaka Akimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6388383A priority Critical patent/JPS59189798A/ja
Publication of JPS59189798A publication Critical patent/JPS59189798A/ja
Publication of JPS6353760B2 publication Critical patent/JPS6353760B2/ja
Granted legal-status Critical Current

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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP6388383A 1983-04-12 1983-04-12 指向性マイクロホン Granted JPS59189798A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6388383A JPS59189798A (ja) 1983-04-12 1983-04-12 指向性マイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6388383A JPS59189798A (ja) 1983-04-12 1983-04-12 指向性マイクロホン

Publications (2)

Publication Number Publication Date
JPS59189798A JPS59189798A (ja) 1984-10-27
JPS6353760B2 true JPS6353760B2 (enrdf_load_html_response) 1988-10-25

Family

ID=13242126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6388383A Granted JPS59189798A (ja) 1983-04-12 1983-04-12 指向性マイクロホン

Country Status (1)

Country Link
JP (1) JPS59189798A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015023447A (ja) * 2013-07-19 2015-02-02 ホシデン株式会社 指向性コンデンサマイクロホン

Also Published As

Publication number Publication date
JPS59189798A (ja) 1984-10-27

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