Bifunctional earphone set

Details Bifunctional earphone set Bifunctional earphone set

1993-03-19

1995-07-04

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381190, H04R 2500

Patent

active

054308038

ABSTRACT:
In construction of an earphone set incorporating a vibratory membrane accompanied with a ceramic wafer, a coactive magnetic electroacoustic conversion is arranged facing the vibratory membrane in a manner such that the vibratory membrane reproduces human voices on receipt of corresponding electric acoustic signals whereas the conversion unit issues electric acoustic signals on collection of corresponding human voices at the vibratory membrane.

REFERENCES:
patent: 2493734 (1950-01-01), Pearson
patent: 3324253 (1967-06-01), Uemura et al.
patent: 3781492 (1973-12-01), Cragg et al.
patent: 4025734 (1977-05-01), Aloupis
patent: 4132861 (1979-01-01), Frieder, Jr. et al.
patent: 4150262 (1979-04-01), Ono
patent: 4418248 (1983-11-01), Mathis

Affiliated with

Also associated with

Rating

Bifunctional earphone set does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-766704