JPS5419731A - Holder unit for conduction transmitter - Google Patents

Holder unit for conduction transmitter

Info

Publication number
JPS5419731A
JPS5419731A JP8450977A JP8450977A JPS5419731A JP S5419731 A JPS5419731 A JP S5419731A JP 8450977 A JP8450977 A JP 8450977A JP 8450977 A JP8450977 A JP 8450977A JP S5419731 A JPS5419731 A JP S5419731A
Authority
JP
Japan
Prior art keywords
holder unit
conduction transmitter
communication
conduction
transmitter
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.)
Granted
Application number
JP8450977A
Other languages
Japanese (ja)
Other versions
JPS5418134B2 (en
Inventor
Yoshiro Marutani
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 JP8450977A priority Critical patent/JPS5419731A/en
Publication of JPS5419731A publication Critical patent/JPS5419731A/en
Publication of JPS5418134B2 publication Critical patent/JPS5418134B2/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
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE:To make the communication quality constant with the use of a simple construction, while preventing the interruption of communication, by making the contact pressure constant through an elastic member and to interchange a switch thereby to effect the air conduction communication.
JP8450977A 1977-07-14 1977-07-14 Holder unit for conduction transmitter Granted JPS5419731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8450977A JPS5419731A (en) 1977-07-14 1977-07-14 Holder unit for conduction transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8450977A JPS5419731A (en) 1977-07-14 1977-07-14 Holder unit for conduction transmitter

Publications (2)

Publication Number Publication Date
JPS5419731A true JPS5419731A (en) 1979-02-14
JPS5418134B2 JPS5418134B2 (en) 1979-07-05

Family

ID=13832605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8450977A Granted JPS5419731A (en) 1977-07-14 1977-07-14 Holder unit for conduction transmitter

Country Status (1)

Country Link
JP (1) JPS5419731A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579188A (en) * 1980-06-20 1982-01-18 Matsushita Electric Ind Co Ltd Recording and playback system for video signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579188A (en) * 1980-06-20 1982-01-18 Matsushita Electric Ind Co Ltd Recording and playback system for video signal
JPH022358B2 (en) * 1980-06-20 1990-01-17 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS5418134B2 (en) 1979-07-05

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