JPS57183112A - Acoustic input and output coupler - Google Patents

Acoustic input and output coupler

Info

Publication number
JPS57183112A
JPS57183112A JP56067250A JP6725081A JPS57183112A JP S57183112 A JPS57183112 A JP S57183112A JP 56067250 A JP56067250 A JP 56067250A JP 6725081 A JP6725081 A JP 6725081A JP S57183112 A JPS57183112 A JP S57183112A
Authority
JP
Japan
Prior art keywords
sound
sound wave
transducer
wave
input
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
JP56067250A
Other languages
Japanese (ja)
Other versions
JPH0379884B2 (en
Inventor
Yasuie Suzuki
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.)
Orient Watch Co Ltd
Original Assignee
Orient Watch 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 Orient Watch Co Ltd filed Critical Orient Watch Co Ltd
Priority to JP56067250A priority Critical patent/JPS57183112A/en
Publication of JPS57183112A publication Critical patent/JPS57183112A/en
Publication of JPH0379884B2 publication Critical patent/JPH0379884B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Filters And Equalizers (AREA)

Abstract

PURPOSE:To reduce the heating value of an input-side transducer by improving the transducing efficiency by coupling an input and an output side by a sound wave or an acoustic wave such as an ultrasonic wave. CONSTITUTION:An electroacoustic transducer 2 and an acoustoelectric transducer 3 are fixed at both ends of an external frame 7, having a sound insulating materias 6 on its internal wall, at an interval of prescribed space 8. When an input signal is inputted to the electroacoustic transducer 2, a diaphragm is oscillated to output a sound, having a frequency determined by the resonance frequency of a resonator 29 from a sound radiation hole 28 as a sound wave 4. This sound wave 4 is transferred through a transmisson pipe 5 to the acoustoelectric transducer 3 and reaches a diaphragm through a protection plate 31. Further, when the diapheagm 32 oscillates by the sound wave 4, a voltage which corresponds to a sound wave inputted from a back electrode 33 is induced, and this voltage is amplified by an amplifier constituting electric circuit parts 12 and is outputted as an electric signal.
JP56067250A 1981-05-01 1981-05-01 Acoustic input and output coupler Granted JPS57183112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56067250A JPS57183112A (en) 1981-05-01 1981-05-01 Acoustic input and output coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56067250A JPS57183112A (en) 1981-05-01 1981-05-01 Acoustic input and output coupler

Publications (2)

Publication Number Publication Date
JPS57183112A true JPS57183112A (en) 1982-11-11
JPH0379884B2 JPH0379884B2 (en) 1991-12-20

Family

ID=13339483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56067250A Granted JPS57183112A (en) 1981-05-01 1981-05-01 Acoustic input and output coupler

Country Status (1)

Country Link
JP (1) JPS57183112A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226851U (en) * 1975-08-15 1977-02-24

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226851B2 (en) * 1972-08-30 1977-07-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226851U (en) * 1975-08-15 1977-02-24

Also Published As

Publication number Publication date
JPH0379884B2 (en) 1991-12-20

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