Unique ring caller ID

Details Unique ring caller ID Unique ring caller ID

1996-08-14

2000-05-02

Loomis, Paul

Telephonic communications

Reception of calling information at substation in wireline...

Blocking caller id transmission

379373, 379374, H04M 156, H04M 1506

Patent

active

060581719

ABSTRACT:
A system and method for suppressing ring signal pulses on a telephone line, the system comprises: (a) determining means for determining a duration and a frequency of the ring signal pulses, and (b) attenuating means, responsive to the duration and the frequency of the ring signal pulses, for attenuating the ring signal pulses. Attenuating the ring pulses includes limiting the voltage difference between TIP and RING lines during the ring pulses to suppress the ring signal or a portion of the ring signal on each telephone connected to the same line.

REFERENCES:
patent: 4477697 (1984-10-01), Judd et al.
patent: 4508937 (1985-04-01), Burger et al.
patent: 4866766 (1989-09-01), Mitzlaff
patent: 4939775 (1990-07-01), Houck et al.
patent: 4998273 (1991-03-01), Nichols
patent: 5323451 (1994-06-01), Yatsunami
patent: 5425089 (1995-06-01), Chan et al.
patent: 5446785 (1995-08-01), Hirai
patent: 5481594 (1996-01-01), Shen et al.
patent: 5490205 (1996-02-01), Kondo et al.
patent: 5550900 (1996-08-01), Ensor et al.
patent: 5610978 (1997-03-01), Purits

Affiliated with

Also associated with

Rating

Unique ring caller ID does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Unique ring caller ID, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Unique ring caller ID will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1600089