Alarm communication method and device

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

379 39, 379 51, H04M 156, H04M 1104

Patent

active

059784571

ABSTRACT:
An alarm communication device and a method for mutual recognition between a first alarm unit and a second unit connected therebetween by a public switching unit is provided. The first alarm unit is connected to the public switching unit via at least one first communication line and the second unit is connected to the public switching unit via at least one second communication line. The method includes the steps of detecting a ring signal at the first alarm unit, detecting a caller identification (ID) signal provided by the public switching unit, determining a caller ID number from the caller ID signal, matching the caller ID number with at least one predetermined number and when the caller ID number is matched to one of the at least one predetermined number associated with the second unit, executing a predetermined procedure associated with the matched at least one predetermined number.

REFERENCES:
patent: 5170426 (1992-12-01), D'Alessio et al.
patent: 5195126 (1993-03-01), Carrier et al.
patent: 5278539 (1994-01-01), Lauterbach et al.

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

Alarm communication method and device does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-2146195

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