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. 30, 1990
Filed:
Aug. 18, 1988
Applicant:
Inventors:
Assignee:
Iwasaki Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
315 73 ; 315 47 ; 315240 ;
Abstract
In parallel connecting a starter to a luminous tube, the starter being formed by a coiled nonfusible metal wire which is wound to or laid along the outer wall of the luminous tube and a nonlinear capacitor which is in series connected to the nonfusible metal wire. As a result of this, the discharge lamp can be assuredly and stably lit with a small size ballast. Furthermore, pass of large current through the starter can be prevented even if the luminous tube is leaked. Furthermore, if the vacuum outer bulb is leaked or broken, the circuit of the starter can be opened by melting the nonfusible metal wire.