System and method for transmitting messages to a telephone set t

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

179 2R, 179 18B, 179 601, H04M 1100

Patent

active

045103496

ABSTRACT:
A message transmitting system incorporated in a telephone system includes a device for generating service signals relating to the making of a telephone connection between one telephone set and another telephone set and a mixer with two inputs which are connected to the service signal generating device and to a message generating device, respectively. The output of the mixer being connected to the telephone line.

REFERENCES:
patent: 3727003 (1973-04-01), Paraskevakos
patent: 3974338 (1976-08-01), Luzier et al.
patent: 4166929 (1979-09-01), Sheinbein
patent: 4242539 (1980-12-01), Hashimoto
patent: 4311875 (1982-01-01), Danner
The Bell System Technical Journal, vol. 60, No. 6, Jul.-Aug., 1981, pp. 1083-1108, Anderson et al, "Mass Announcement Subsystem".
IBM Technical Disclosure Bulletin, vol. 22, No. 6, Nov. 1979, Abramson, "Touch-Tone Spurious Triggering Prevention".

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

System and method for transmitting messages to a telephone set t does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-1170977

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.