|
JPH1118186A
|
|
Primary pressure gradient microphone
|
|
JPH10177448A
|
|
Inputting device and data processing system
|
|
JPH09247782A
|
|
Headphone
|
|
JPH07225168A
|
|
Differential type pressure sensor
|
|
JPH07222284A
|
|
Horn-shaped piezoelectric ceramic speaker
|
|
JPH0566255A
|
|
Microphone for detecting direction of sound source
|
|
JPH04167698A
|
|
Directional microphone following up objective sound source
|
|
JPH01268398A
|
|
Directional microphone
|
|
JPS61288596A
|
|
Microphone
|
|
JPS60194767A
|
|
Ceramic rotatably drive element
|
|
JPS57148497A
|
|
Tangerine type dispersion drive type transducer
|
|
JPS57115099A
|
|
Composite capacitor microphone
|
|
JPS5739700A
|
|
Back plate of condensor microphone and its constituent
|
|
JPS56111210A
|
|
Electret laminate
|
|
JPS5487371A
|
|
Ultrasonic remoteecontrolling apparatus
|
|
JPS5487370A
|
|
Infared remoteecontrolling apparatus
|
|
JPS5350987A
|
|
Infrared ray radiating device
|
|
JPS5125782A
|
|
Noizuoboshishita bishoshingoyokoodo
|
|
DE2149192A1
|
|
Condenser microphone
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