Public address system

H - Electricity – 04 – R

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

179/4

H04R 27/00 (2006.01) H04B 5/00 (2006.01) H04B 5/02 (2006.01) H04R 3/02 (2006.01)

Patent

CA 1132913

ABSTRACT OF THE DISCLOSURE A public address system having a microphone, an amplifier which amplifies the output from the microphone and a speaker assembly which receives the output from the amplifier and reproduces a sound, in which the microphones has provided with a transmitter generating an electromagnetic wave and the speaker assembly has two receiving coils disposed perpendicular with each other. In this case, the outputs from the receiving coils are used to control the level of an audio signal applied to the speaker assembly and to thereby avoid occurrence of howling.

332452

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Public address system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Public address system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Public address system will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1060329

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.