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:
Jan. 15, 2019
Filed:
Jul. 03, 2017
Applicant:
David Lawrence Emery, Hilliard, FL (US);
Inventor:
David Lawrence Emery, Hilliard, FL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/10 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
H02H 9/045 (2013.01); G01V 3/10 (2013.01); H02H 9/044 (2013.01);
Abstract
A circuit uses a high voltage diode to automatically block high voltage flyback pulses of either polarity from the transmit coil of a pulse induction type metal detector from its sensitive receive circuitry. The circuit being fully automatic requires no control signals and permits the receive circuitry to sample the signal being received immediately following the termination of the flyback pulse.