JPS5430687A - Incandescent bulb - Google Patents

Incandescent bulb

Info

Publication number
JPS5430687A
JPS5430687A JP9503477A JP9503477A JPS5430687A JP S5430687 A JPS5430687 A JP S5430687A JP 9503477 A JP9503477 A JP 9503477A JP 9503477 A JP9503477 A JP 9503477A JP S5430687 A JPS5430687 A JP S5430687A
Authority
JP
Japan
Prior art keywords
light
incandescent bulb
bulb
glaring
posed
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
JP9503477A
Other languages
Japanese (ja)
Inventor
Katsuyuki Hosoya
Taisuke Hirota
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9503477A priority Critical patent/JPS5430687A/en
Publication of JPS5430687A publication Critical patent/JPS5430687A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To check the glaring degree of light within the extent that no considerable disturbance is posed to actual use while making the luminous intensity directly under the light as large as possible, by properly changing the thickness distribution of light diffusing film applied on the inner surface of a bulb.
COPYRIGHT: (C)1979,JPO&Japio
JP9503477A 1977-08-10 1977-08-10 Incandescent bulb Pending JPS5430687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9503477A JPS5430687A (en) 1977-08-10 1977-08-10 Incandescent bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9503477A JPS5430687A (en) 1977-08-10 1977-08-10 Incandescent bulb

Publications (1)

Publication Number Publication Date
JPS5430687A true JPS5430687A (en) 1979-03-07

Family

ID=14126793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9503477A Pending JPS5430687A (en) 1977-08-10 1977-08-10 Incandescent bulb

Country Status (1)

Country Link
JP (1) JPS5430687A (en)

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