Apparatus and method for ultra narrow band wireless...

Details Apparatus and method for ultra narrow band wireless... Apparatus and method for ultra narrow band wireless...

2008-09-09

2008-09-09

Vo, Don N (Department: 2611)

Pulse or digital communications

Transmitters

Angle modulation

Reexamination Certificate

active

10689911

ABSTRACT:
A wireless digital transmitting and receiving method and apparatus combining abrupt phase change modulation with an ultra narrow band filter to remove the sidebands, resulting in a single frequency being transmitted to carry the data. The method examines and detects the changes in the carrier product only, after filtering to remove or reduce all sidebands, to obtain a usable signal. Only a single frequency with phase changes is transmitted. An ultra narrow band filter, having a rapid rise time and near zero group delay, passes the near instantaneous modulation changes of phase in the carrier.

REFERENCES:
patent: 4630285 (1986-12-01), Dyer et al.
patent: 5027372 (1991-06-01), Wong
patent: 5185765 (1993-02-01), Walker
patent: 6492865 (2002-12-01), Thomasson
patent: 6775324 (2004-08-01), Mohan et al.
patent: 2002/0000874 (2002-01-01), Thomasson

Affiliated with

Also associated with

Rating

Apparatus and method for ultra narrow band wireless... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for ultra narrow band wireless..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for ultra narrow band wireless... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3931742