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:
Jun. 20, 2006
Filed:
Jul. 02, 2003
Compact self-ballasted electrodeless discharge lamp and electrodeless-discharge-lamp lighting device
Kiyoshi Hashimotodani, Osaka, JP;
Takeshi Arakawa, Kyoto, JP;
Akira Hochi, Nara, JP;
Koichi Katase, Kyoto, JP;
Yuuji Omata, Osaka, JP;
Yoshihisa Hagiwara, Hyogo, JP;
Kiyoshi Hashimotodani, Osaka, JP;
Takeshi Arakawa, Kyoto, JP;
Akira Hochi, Nara, JP;
Koichi Katase, Kyoto, JP;
Yuuji Omata, Osaka, JP;
Yoshihisa Hagiwara, Hyogo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A bulb type electrodeless discharge lamp, comprising a recessed part (), wherein the maximum diameter of a light emitting tube () is 60 to 90 mm and the tube wall load of the light emitting tube () is 0.07 to 0.11 W/cm, and a relation between the diameter Dc of the recessed part () and an interval Δh between the top of the recessed part () and the top part of the light emitting tube () meets the requirement of Δh≦1.15×Dc+1.25 [mm].