Low battery voltage indicator for a portable digital electronic

Details Low battery voltage indicator for a portable digital electronic Low battery voltage indicator for a portable digital electronic

1975-03-10

1977-03-01

Curtis, Marshall M.

Communications: electrical

Systems

Call station

340249, 340336, G09F 932

Patent

active

040104567

ABSTRACT:
The output voltage of a battery in a portable digital electronic instrument is compared with an internal voltage reference. When the battery voltage falls below the reference voltage, the true decimal point of the number being displayed is not illuminated and a plurality of the adjacent decimal points are illuminated.

REFERENCES:
patent: 3526887 (1970-09-01), Erni
patent: 3755806 (1973-08-01), Bunting
patent: 3864677 (1975-02-01), Bekki et al.
patent: 3882481 (1975-05-01), Turner
patent: 3898790 (1975-08-01), Takamune et al.

Affiliated with

Also associated with

Rating

Low battery voltage indicator for a portable digital electronic does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low battery voltage indicator for a portable digital electronic , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low battery voltage indicator for a portable digital electronic will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1355115