Transmitter assembly for a telephone handset

Details Transmitter assembly for a telephone handset Transmitter assembly for a telephone handset

H - Electricity

04

M

349/59

H04M 1/03 (2006.01)

Patent

CA 1202713

TRANSMITTER ASSEMBLY FOR A TELEPHONE HANDSET Abstract of the Disclosure A transmitter assembly for a telephone set uses a commercially available cartridge electret transmitter, by modifying the response curve. This is obtained by an adapter housing the transmitter with a first volume defined between the end of the transmitter and the end of the bore in which the transmitter fits. At the end of the bore there is an end wall with a hole therethrough, the hole covered with a layer of acoustic resistance material. A second volume is formed on the other side of the end wall, by a hollow formation on the wall of the transmitter housing of the handset. A slot is formed in the transmitter housing wall within the formation. The first volume provides damping, the hole and acoustic resistance material provides dB limitation at a particular frequency (1000 Hz) and the second volume and slot provide resonance at a second frequency (3000 Hz). - i -

449775

Affiliated with

Also associated with

Rating

Transmitter assembly for a telephone handset does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Transmitter assembly for a telephone handset, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transmitter assembly for a telephone handset will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1293153