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:
Sep. 09, 1980
Filed:
Nov. 09, 1978
Joshua Friedman, Ridgefield, CT (US);
Brian Dell, Newtown, CT (US);
Demetron Research Corporation, Danbury, CT (US);
Abstract
A compact, lightweight source of radiation at wavelengths ranging from long wave ultraviolet through the visible powered from a low power DC source wherein a high frequency oscillator provides regulated driving current for the excitation of a fluorescent tube which emits energy at wavelengths outside the erythemal zone and wherein a first level of energizing current is provided for a warmup of the tube, a second level of energizing current is provided for standby excitation and a third level of energizing current is available for more intense operating excitation during which time there is also provided an audible timing signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile