Method and apparatus for simulating analog display in digital di

Details Method and apparatus for simulating analog display in digital di Method and apparatus for simulating analog display in digital di

1989-05-17

1991-11-12

Wieder, Kenneth A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

364521, 340728, 324121R, 324 77B, G01R 1322

Patent

active

050651471

ABSTRACT:
A method for simulating an analog display in a digital display spectrum analyzer (or other digital display test instrument) comprises the steps of defining a plurality, N, of traces of the signal to be displayed, assigning coordinate values to points along each trace, and plotting and simultaneously displaying each of the N traces by illuminating corresponding pixel locations on the CRT as indicated by the assigned coordinate values. The method permits effective simulation of trace persistence as commonly found in analog display test instruments. According to one embodiment of the invention, a color graphics controller/color CRT may be provided, in which case gray scales may be generated and displayed to simulate variations in intensity levels as commonly found in traces plotted on analog display test instruments. An apparatus for practicing the method is also disclosed.

REFERENCES:
patent: 4251755 (1981-02-01), Bryden
patent: 4486785 (1984-12-01), Lasher
patent: 4752826 (1988-06-01), Barnett
patent: 4809189 (1989-02-01), Batson
patent: 4837561 (1989-06-01), Tucker
patent: 4868552 (1989-08-01), Chang
patent: 4894540 (1990-01-01), Komatsu
patent: 4940931 (1990-07-01), Katayama
patent: 4945351 (1990-07-01), Naiman
patent: 4949177 (1990-08-01), Bannister
patent: 5028914 (1991-07-01), Povenmire

Affiliated with

Also associated with

Rating

Method and apparatus for simulating analog display in digital di does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for simulating analog display in digital di, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for simulating analog display in digital di will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1015317