JPS52120587A - Bulb lamp - Google Patents

Bulb lamp

Info

Publication number
JPS52120587A
JPS52120587A JP3636376A JP3636376A JPS52120587A JP S52120587 A JPS52120587 A JP S52120587A JP 3636376 A JP3636376 A JP 3636376A JP 3636376 A JP3636376 A JP 3636376A JP S52120587 A JPS52120587 A JP S52120587A
Authority
JP
Japan
Prior art keywords
bulb lamp
bulb
minimized
diameter
reduce
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3636376A
Other languages
Japanese (ja)
Inventor
Masanobu Miyake
Michiya Mashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3636376A priority Critical patent/JPS52120587A/en
Publication of JPS52120587A publication Critical patent/JPS52120587A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce a diameter of a bulb lamp consisting of a soft glass in such a range where the bulb does not cause thermal degradation and a gas loss can be minimized to improve light-emitting efficiency.
COPYRIGHT: (C)1977,JPO&Japio
JP3636376A 1976-04-01 1976-04-01 Bulb lamp Pending JPS52120587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3636376A JPS52120587A (en) 1976-04-01 1976-04-01 Bulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3636376A JPS52120587A (en) 1976-04-01 1976-04-01 Bulb lamp

Publications (1)

Publication Number Publication Date
JPS52120587A true JPS52120587A (en) 1977-10-11

Family

ID=12467739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3636376A Pending JPS52120587A (en) 1976-04-01 1976-04-01 Bulb lamp

Country Status (1)

Country Link
JP (1) JPS52120587A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6210854A (en) * 1985-06-26 1987-01-19 スタンレー電気株式会社 High efficiency incandescent lamp
EP0295592A2 (en) * 1987-06-13 1988-12-21 Knut Otto Sassmannshausen Electric lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6210854A (en) * 1985-06-26 1987-01-19 スタンレー電気株式会社 High efficiency incandescent lamp
EP0295592A2 (en) * 1987-06-13 1988-12-21 Knut Otto Sassmannshausen Electric lamp
EP0295592A3 (en) * 1987-06-13 1991-01-02 Knut Otto Sassmannshausen Electric lamp

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