Contactless sensor driven by single power supply

Details Contactless sensor driven by single power supply Contactless sensor driven by single power supply

1996-05-10

1997-08-05

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

324127, 323353, 323356, G01R 1900

Patent

active

056546300

ABSTRACT:
A sensor contactlessly driven by a single power supply is disclosed. A current flows in a resistor R.sub.L through the secondary winding of a coil in the direction corresponding to the direction of magnetic fluxes generated in the coil in accordance with discharge or charge mode of a main battery. The input terminal of a voltage follower is connected to the voltage-dividing point of a series circuit including resistors R.sub.1 and R.sub.2 and a reference voltage control circuit. The reference voltage control circuit changes the input voltage of the voltage follower in accordance with the direction of the current flowing in the resistor R.sub.L. It follows therefore that the measurement range is switched in accordance with discharge or charge mode of the main battery, with the result that the overall measurement range can be widened in spite of the fact that only a single power supply +Vcc is used.

REFERENCES:
patent: 4961049 (1990-10-01), Ghislanzoni
patent: 5132608 (1992-07-01), Nishifuji et al.
patent: 5146156 (1992-09-01), Marcel

Affiliated with

Also associated with

Rating

Contactless sensor driven by single power supply does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Contactless sensor driven by single power supply, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Contactless sensor driven by single power supply will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1077344