Loudspeaker apparatus and method for a radio telephone apparatus

Details Loudspeaker apparatus and method for a radio telephone apparatus Loudspeaker apparatus and method for a radio telephone apparatus

1987-07-08

1990-11-06

Ng, Jin F.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 63, H04M 1100

Patent

active

049691813

ABSTRACT:
A loudspeaker apparatus is used for a radio telephone apparatus having a base unit and a radio telephone set. The base unit includes a loudspeaker for generating a speech signal from a wired telephone line coupled to the base unit. The loudspeaker is connected to the wired telephone line in response to a calling origination signal by an operation of calling origination key if the radio telephone set is installed in the base unit.

REFERENCES:
patent: 4309573 (1982-01-01), Grantland et al.
patent: 4400584 (1983-08-01), Vilmur
patent: 4639550 (1987-01-01), Yamagawa et al.
patent: 4640987 (1987-02-01), Tsukada et al.
patent: 4647722 (1987-03-01), Nishida et al.
patent: 4756021 (1988-07-01), Nakayama

Affiliated with

Also associated with

Rating

Loudspeaker apparatus and method for a radio telephone apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1312217