JPS51130214A - A transmitter ultilizing variation of capacitance - Google Patents

A transmitter ultilizing variation of capacitance

Info

Publication number
JPS51130214A
JPS51130214A JP5402775A JP5402775A JPS51130214A JP S51130214 A JPS51130214 A JP S51130214A JP 5402775 A JP5402775 A JP 5402775A JP 5402775 A JP5402775 A JP 5402775A JP S51130214 A JPS51130214 A JP S51130214A
Authority
JP
Japan
Prior art keywords
variation
capacitance
ultilizing
transmitter
sound
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
JP5402775A
Other languages
Japanese (ja)
Other versions
JPS5214621B2 (en
Inventor
Akira Naemura
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 JP5402775A priority Critical patent/JPS51130214A/en
Publication of JPS51130214A publication Critical patent/JPS51130214A/en
Publication of JPS5214621B2 publication Critical patent/JPS5214621B2/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

Abstract

PURPOSE:To improve a ratio of S/N by detecting a variation of capacitance caused by vibrating portion inside the body, as a sound by means of simple device.
JP5402775A 1975-05-06 1975-05-06 A transmitter ultilizing variation of capacitance Granted JPS51130214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5402775A JPS51130214A (en) 1975-05-06 1975-05-06 A transmitter ultilizing variation of capacitance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5402775A JPS51130214A (en) 1975-05-06 1975-05-06 A transmitter ultilizing variation of capacitance

Publications (2)

Publication Number Publication Date
JPS51130214A true JPS51130214A (en) 1976-11-12
JPS5214621B2 JPS5214621B2 (en) 1977-04-22

Family

ID=12959089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5402775A Granted JPS51130214A (en) 1975-05-06 1975-05-06 A transmitter ultilizing variation of capacitance

Country Status (1)

Country Link
JP (1) JPS51130214A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780219U (en) * 1980-11-04 1982-05-18
CN113925637A (en) 2020-07-14 2022-01-14 株式会社松风 Partially-connected full-mouth artificial tooth with arch and occlusal bending adjustability

Also Published As

Publication number Publication date
JPS5214621B2 (en) 1977-04-22

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