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:
Jul. 29, 1986
Filed:
Sep. 29, 1982
Victor L Hu, San Jose, CA (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A tone-pip signal generator for use in systems employed in the identification and diagnosis of hearing defects, the generator including a counter for counting cycles of a clock signal which occur following the time marked by a reset signal, a gate circuit for coupling the clock signal to the counter until a predetermined count is accumulated, a memory addressed by the counter, the memory for retrieving in succession stored numbers representing respective time samples of the tone-pip signal and a digital-to-analog converter driven by the memory. Additionally, the generator includes an exclusive-OR-gate array for selectively inverting the tone-pip signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile