Calculator with a displayed commercial message

Details Calculator with a displayed commercial message Calculator with a displayed commercial message

1998-01-26

1999-10-12

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Having specialized output

345113, G06F 300

Patent

active

059648236

ABSTRACT:
A hand held calculator with keyboard buttons to display numbers on a screen as a display foreground, and a rearwardly disposed panel with an imprinted commercial message expressed in words/letters as a display background, in which although the foreground is over the background, a viewer is not confused because the numbers and letters are readily distinguishable from each other.

REFERENCES:
patent: 4104727 (1978-08-01), Washizuka et al.
patent: 4988025 (1991-01-01), Lipton et al.
patent: 5604688 (1997-02-01), Chu et al.

Affiliated with

Also associated with

Rating

Calculator with a displayed commercial message does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Calculator with a displayed commercial message, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calculator with a displayed commercial message will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-647678