H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/67.8
H04R 19/04 (2006.01) H04R 3/06 (2006.01) H04R 19/01 (2006.01)
Patent
CA 1193356
- 19 - Abstract of the Disclosure A condenser microphone including an electrostatic transducer provided with at least one conductive vibrating plate and at least one fixed electrode arranged opposite the vibrating plate, and through which output voltages can be obtained in response to an acoustic input, and an impedance converter circuit connected to output terminals of electrostatic transducer, wherein said electrostatic transducer is arranged in such a way that two output voltages out of phase with respect to each other are obtained through its first and second output terminals, and said impedance converter circuit includes first and second field effect transistors of same conductivity channel type whose gates are connected to output terminals of electrostatic transducer, respectively, and whose drains are connected to a DC power supply, first and second impedance elements connected between gates of field effect transistors and ground to hold the DC potential of each gate at ground level, and an output circuit means for generating an output signal corresponding to the difference between source potentials of field effect transistors.
403579
Endoh Kenjiro
Tanaka Masanori
Ridout & Maybee Llp
Tokyo Shibaura Denki Kabushiki Kaisha
LandOfFree
Condenser microphone does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Condenser microphone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Condenser microphone will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1314987