JPS6146938B2 - - Google Patents

Info

Publication number
JPS6146938B2
JPS6146938B2 JP5442778A JP5442778A JPS6146938B2 JP S6146938 B2 JPS6146938 B2 JP S6146938B2 JP 5442778 A JP5442778 A JP 5442778A JP 5442778 A JP5442778 A JP 5442778A JP S6146938 B2 JPS6146938 B2 JP S6146938B2
Authority
JP
Japan
Prior art keywords
lens
light bulb
concave
light
lens element
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.)
Expired
Application number
JP5442778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54146486A (en
Inventor
Nobuyoshi Kuno
Kyokazu Pponda
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
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 JPS54146486A (en) 1979-11-15
JPS6146938B2 true 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)

Families Citing this family (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
JPS54146486A (en) 1979-11-15

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