JPS51140716A - Transmitter utilizing electret film - Google Patents

Transmitter utilizing electret film

Info

Publication number
JPS51140716A
JPS51140716A JP6494375A JP6494375A JPS51140716A JP S51140716 A JPS51140716 A JP S51140716A JP 6494375 A JP6494375 A JP 6494375A JP 6494375 A JP6494375 A JP 6494375A JP S51140716 A JPS51140716 A JP S51140716A
Authority
JP
Japan
Prior art keywords
electret film
transmitter utilizing
utilizing electret
transmitter
longutudinal
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
JP6494375A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5214622B2 (cs
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 JP6494375A priority Critical patent/JPS51140716A/ja
Publication of JPS51140716A publication Critical patent/JPS51140716A/ja
Publication of JPS5214622B2 publication Critical patent/JPS5214622B2/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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP6494375A 1975-05-30 1975-05-30 Transmitter utilizing electret film Granted JPS51140716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6494375A JPS51140716A (en) 1975-05-30 1975-05-30 Transmitter utilizing electret film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6494375A JPS51140716A (en) 1975-05-30 1975-05-30 Transmitter utilizing electret film

Publications (2)

Publication Number Publication Date
JPS51140716A true JPS51140716A (en) 1976-12-03
JPS5214622B2 JPS5214622B2 (cs) 1977-04-22

Family

ID=13272614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6494375A Granted JPS51140716A (en) 1975-05-30 1975-05-30 Transmitter utilizing electret film

Country Status (1)

Country Link
JP (1) JPS51140716A (cs)

Also Published As

Publication number Publication date
JPS5214622B2 (cs) 1977-04-22

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