The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 1988
Filed:
Aug. 22, 1986
Mir A Imran, Palo Alto, CA (US);
DataTrak, Mountain View, CA (US);
Abstract
Solenoid activation circuitry utilizing a high voltage for energizing a low voltage solenoid from a low voltage source of power comprising a capacitor having first and second terminals with the second terminal being connected to ground. A converter is provided having an input and an output. The input of the converter is adapted to be connected to the low voltage source of power and the output of the converter is connected to the first terminal of the capacitor. A device is provided for sensing the voltage on the first terminal of the capacitor to ascertain when the voltage on the first terminal of the capacitor has reached a predetermined high voltage which is substantially above that of the low voltage of the power source. A switch is provided and is adapted to be connected to the solenoid for causing the capacitor to discharge into the solenoid when the predetermined high voltage has been reached on the capacitor to overcome the initial air gap in the solenoid to move the solenoid to an actuated position.