JPS6131593B2 - - Google Patents

Info

Publication number
JPS6131593B2
JPS6131593B2 JP380478A JP380478A JPS6131593B2 JP S6131593 B2 JPS6131593 B2 JP S6131593B2 JP 380478 A JP380478 A JP 380478A JP 380478 A JP380478 A JP 380478A JP S6131593 B2 JPS6131593 B2 JP S6131593B2
Authority
JP
Japan
Prior art keywords
filament
bulb
ellipse
infrared
image
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
JP380478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5498072A (en
Inventor
Masao Nagai
Aryoshi Ishizaki
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 JP380478A priority Critical patent/JPS5498072A/ja
Publication of JPS5498072A publication Critical patent/JPS5498072A/ja
Publication of JPS6131593B2 publication Critical patent/JPS6131593B2/ja
Granted legal-status Critical Current

Links

JP380478A 1978-01-18 1978-01-18 Incandescent lamp Granted JPS5498072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP380478A JPS5498072A (en) 1978-01-18 1978-01-18 Incandescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP380478A JPS5498072A (en) 1978-01-18 1978-01-18 Incandescent lamp

Publications (2)

Publication Number Publication Date
JPS5498072A JPS5498072A (en) 1979-08-02
JPS6131593B2 true JPS6131593B2 (enExample) 1986-07-21

Family

ID=11567373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP380478A Granted JPS5498072A (en) 1978-01-18 1978-01-18 Incandescent lamp

Country Status (1)

Country Link
JP (1) JPS5498072A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465313B1 (fr) * 1979-09-17 1986-04-11 Duro Test Corp Enveloppe ellipsoidale pour lampe a incandescence, comprenant des moyens de renvoi de l'energie infrarouge
JPH03283350A (ja) * 1990-03-30 1991-12-13 Toshiba Lighting & Technol Corp 白熱電球

Also Published As

Publication number Publication date
JPS5498072A (en) 1979-08-02

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