Key telephone system

Details Key telephone system Key telephone system

1987-05-28

1988-08-09

Schreyer, Stafford D.

Telephonic communications

Multi-line or key substation system with selective switching...

Switching or supervision feature

379166, H04M 172

Patent

active

047633549

ABSTRACT:
A key telephone system comprising a key service unit and a plurality of key telephone sets is configured by this invention so as to permit use of IC cards which are adapted to admit user data for registration therein, to be inserted in any of the key telephone sets for the user data to be read out of the IC card, and to enable the user to utilize the key telephone set.

REFERENCES:
patent: 4650932 (1987-03-01), Komuro et al.

Affiliated with

Also associated with

Rating

Key telephone 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 Key telephone system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Key telephone system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-923140