JPS541979A - Ultrared-ray absorbing incandescent lamp - Google Patents

Ultrared-ray absorbing incandescent lamp

Info

Publication number
JPS541979A
JPS541979A JP6569577A JP6569577A JPS541979A JP S541979 A JPS541979 A JP S541979A JP 6569577 A JP6569577 A JP 6569577A JP 6569577 A JP6569577 A JP 6569577A JP S541979 A JPS541979 A JP S541979A
Authority
JP
Japan
Prior art keywords
ultrared
ray absorbing
incandescent lamp
lamp
outer structure
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
JP6569577A
Other languages
Japanese (ja)
Inventor
Ariyoshi Ishizaki
Tetsuhiro Kano
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 JP6569577A priority Critical patent/JPS541979A/en
Publication of JPS541979A publication Critical patent/JPS541979A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simplify the process of manufacturing ultrared-ray absorbing incandescent lamps and to improve reliability of their performance, by admixing iron component as ultrared-ray shielding means directly into raw material of glass which forms the outer structure of lamp, thereby omitting the procedure of forming ultrared-ray absorbing film after the outer structure of lamp is shaped.
COPYRIGHT: (C)1979,JPO&Japio
JP6569577A 1977-06-06 1977-06-06 Ultrared-ray absorbing incandescent lamp Pending JPS541979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6569577A JPS541979A (en) 1977-06-06 1977-06-06 Ultrared-ray absorbing incandescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6569577A JPS541979A (en) 1977-06-06 1977-06-06 Ultrared-ray absorbing incandescent lamp

Publications (1)

Publication Number Publication Date
JPS541979A true JPS541979A (en) 1979-01-09

Family

ID=13294397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6569577A Pending JPS541979A (en) 1977-06-06 1977-06-06 Ultrared-ray absorbing incandescent lamp

Country Status (1)

Country Link
JP (1) JPS541979A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168193A (en) * 1991-09-30 1992-12-01 General Electric Company Lamp having boron nitride reflective coating
WO2009038151A1 (en) 2007-09-19 2009-03-26 Citizen Holdings Co., Ltd. Ornament parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168193A (en) * 1991-09-30 1992-12-01 General Electric Company Lamp having boron nitride reflective coating
WO2009038151A1 (en) 2007-09-19 2009-03-26 Citizen Holdings Co., Ltd. Ornament parts

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