JPS5392119A - Method of mounting directional microphone - Google Patents

Method of mounting directional microphone

Info

Publication number
JPS5392119A
JPS5392119A JP704777A JP704777A JPS5392119A JP S5392119 A JPS5392119 A JP S5392119A JP 704777 A JP704777 A JP 704777A JP 704777 A JP704777 A JP 704777A JP S5392119 A JPS5392119 A JP S5392119A
Authority
JP
Japan
Prior art keywords
directional microphone
mounting
mounting directional
restrictuion
slits
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
JP704777A
Other languages
Japanese (ja)
Inventor
Junji Kojima
Ichiro Enomoto
Kunihiro Kato
Sadayuki Kurosaki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP704777A priority Critical patent/JPS5392119A/en
Publication of JPS5392119A publication Critical patent/JPS5392119A/en
Pending 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To enable a directional microphone to be preferably mounted in small volume of less designing restrictuion by providing a room of the structure with slits on the outer surface in a stacking structure of acoustical absorbent and adhesive material at the inner wall thereof.
JP704777A 1977-01-25 1977-01-25 Method of mounting directional microphone Pending JPS5392119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP704777A JPS5392119A (en) 1977-01-25 1977-01-25 Method of mounting directional microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP704777A JPS5392119A (en) 1977-01-25 1977-01-25 Method of mounting directional microphone

Publications (1)

Publication Number Publication Date
JPS5392119A true JPS5392119A (en) 1978-08-12

Family

ID=11655130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP704777A Pending JPS5392119A (en) 1977-01-25 1977-01-25 Method of mounting directional microphone

Country Status (1)

Country Link
JP (1) JPS5392119A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541550A1 (en) * 1983-02-23 1984-08-24 Cit Alcatel TELECONFERENCE TABLE
US4528426A (en) * 1983-11-23 1985-07-09 Northern Telecom Limited Directional microphone assembly
US4694499A (en) * 1985-02-13 1987-09-15 Crown International, Inc. Directional microphone with acoustic washer
EP0330364A2 (en) * 1988-02-26 1989-08-30 Nortel Networks Corporation Modular microphone assembly
US4885773A (en) * 1987-01-09 1989-12-05 Alcatel N.V. Apparatus for mounting a unidirectional microphone in a hands-free telephone subset

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS459656Y1 (en) * 1967-06-21 1970-05-06
JPS459658Y1 (en) * 1967-06-21 1970-05-06
JPS4821622B1 (en) * 1968-03-23 1973-06-29
JPS4830629B1 (en) * 1969-06-17 1973-09-21

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS459656Y1 (en) * 1967-06-21 1970-05-06
JPS459658Y1 (en) * 1967-06-21 1970-05-06
JPS4821622B1 (en) * 1968-03-23 1973-06-29
JPS4830629B1 (en) * 1969-06-17 1973-09-21

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541550A1 (en) * 1983-02-23 1984-08-24 Cit Alcatel TELECONFERENCE TABLE
US4528426A (en) * 1983-11-23 1985-07-09 Northern Telecom Limited Directional microphone assembly
US4694499A (en) * 1985-02-13 1987-09-15 Crown International, Inc. Directional microphone with acoustic washer
US4885773A (en) * 1987-01-09 1989-12-05 Alcatel N.V. Apparatus for mounting a unidirectional microphone in a hands-free telephone subset
EP0330364A2 (en) * 1988-02-26 1989-08-30 Nortel Networks Corporation Modular microphone assembly
US4937877A (en) * 1988-02-26 1990-06-26 Northern Telecom Limited Modular microphone assembly

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