Telecommunications device for the hearing impaired with telephon

Details Telecommunications device for the hearing impaired with telephon Telecommunications device for the hearing impaired with telephon

1994-09-22

1998-01-20

Woo, Stella

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 52, H04M 1100

Patent

active

057108064

ABSTRACT:
A telecommunication device for the hearing impaired having the capability of sending text communications via a telephone-style keypad and receiving text communications for display on an LCD display in addition to providing standard telephone voice communications. The telecommunications device automates voice carryover (VCO) calls and for provides automatic answering and recording capability for text messages on the same telephone line as a voice answering machine and or a facsimile machine. The telecommunications device further includes means for selectively adjusting the amplification of received voice messages and sent voice messages to provide maximum amplification of said received voice messages without producing feedback oscillation or to provide maximum amplification of sent voice messages without producing feedback oscillation. The telecommunications device further including means for minimizing effect of the reflected impedance of the telephone line on signal transmission and optimizing the coupling of signals to the telephone line.

REFERENCES:
patent: 4503288 (1985-03-01), Kessler
patent: 4511764 (1985-04-01), Nakayama et al.
patent: 4532378 (1985-07-01), Nakayama et al.
patent: 4817160 (1989-03-01), De Koning et al.
patent: 4926459 (1990-05-01), Advan et al.
patent: 5432837 (1995-07-01), Engelke et al.

Affiliated with

Also associated with

Rating

Telecommunications device for the hearing impaired with telephon does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Telecommunications device for the hearing impaired with telephon, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Telecommunications device for the hearing impaired with telephon will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-731222