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:
May. 30, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventor:
Gerald Steinberg, Huntingdon Valley, PA (US);
Assignee:
Nasta Industries, Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 2731 / ; 73570 ;
Abstract
Within a bat handle a resiliently mounted magnet oscillates when the bat strikes a ball. The magnetic field couples with a fixed inductive coil inducing a signal with an amplitude proportional to the impact force. The signal is processed to provide an indication on the bat of the force of impact.