Piezoelectric type pager

Details Piezoelectric type pager Piezoelectric type pager

1991-11-25

1993-07-20

Ng, Jin F.

Communications: electrical

Systems

Nonselective paging

340407, 34082544, 34082546, 310324, H04Q 130

Patent

active

052297446

ABSTRACT:
A piezoelectric type pager comprises at least one piezoelectric vibrator which has one end fixed on a portion of a casing and the other end fixed on another portion of the casing and can generate a vibration which has a frequency suitable to attract a user's attention without causing any trouble for those around one carrying the pager.

REFERENCES:
patent: 4352961 (1982-10-01), Kumada et al.
patent: 4685767 (1987-08-01), Ueshiba et al.
patent: 4969197 (1990-11-01), Takaya
patent: 5053671 (1991-10-01), Kobayashi et al.

Affiliated with

Also associated with

Rating

Piezoelectric type pager does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1763728