JPS54146486A - Shelded beam bulb - Google Patents

Shelded beam bulb

Info

Publication number
JPS54146486A
JPS54146486A JP5442778A JP5442778A JPS54146486A JP S54146486 A JPS54146486 A JP S54146486A JP 5442778 A JP5442778 A JP 5442778A JP 5442778 A JP5442778 A JP 5442778A JP S54146486 A JPS54146486 A JP S54146486A
Authority
JP
Japan
Prior art keywords
lens
lens elements
depth
reflector
decrease
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.)
Granted
Application number
JP5442778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6146938B2 (enrdf_load_stackoverflow
Inventor
Nobuyoshi Kuno
Kiyokazu Honda
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 JP5442778A priority Critical patent/JPS54146486A/ja
Publication of JPS54146486A publication Critical patent/JPS54146486A/ja
Publication of JPS6146938B2 publication Critical patent/JPS6146938B2/ja
Granted legal-status Critical Current

Links

JP5442778A 1978-05-10 1978-05-10 Shelded beam bulb Granted JPS54146486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5442778A JPS54146486A (en) 1978-05-10 1978-05-10 Shelded beam bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5442778A JPS54146486A (en) 1978-05-10 1978-05-10 Shelded beam bulb

Publications (2)

Publication Number Publication Date
JPS54146486A true JPS54146486A (en) 1979-11-15
JPS6146938B2 JPS6146938B2 (enrdf_load_stackoverflow) 1986-10-16

Family

ID=12970412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5442778A Granted JPS54146486A (en) 1978-05-10 1978-05-10 Shelded beam bulb

Country Status (1)

Country Link
JP (1) JPS54146486A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884617A (ja) * 1981-11-13 1983-05-20 Sumitomo Metal Ind Ltd 鋼帯ソ−エツジ防止方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884617A (ja) * 1981-11-13 1983-05-20 Sumitomo Metal Ind Ltd 鋼帯ソ−エツジ防止方法

Also Published As

Publication number Publication date
JPS6146938B2 (enrdf_load_stackoverflow) 1986-10-16

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