JPS6221226B2 - - Google Patents

Info

Publication number
JPS6221226B2
JPS6221226B2 JP54005571A JP557179A JPS6221226B2 JP S6221226 B2 JPS6221226 B2 JP S6221226B2 JP 54005571 A JP54005571 A JP 54005571A JP 557179 A JP557179 A JP 557179A JP S6221226 B2 JPS6221226 B2 JP S6221226B2
Authority
JP
Japan
Prior art keywords
bulb
filament
infrared
visible light
efficiency
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
JP54005571A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5598458A (en
Inventor
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 JP557179A priority Critical patent/JPS5598458A/ja
Publication of JPS5598458A publication Critical patent/JPS5598458A/ja
Publication of JPS6221226B2 publication Critical patent/JPS6221226B2/ja
Granted legal-status Critical Current

Links

JP557179A 1979-01-23 1979-01-23 Incandescent bulb Granted JPS5598458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP557179A JPS5598458A (en) 1979-01-23 1979-01-23 Incandescent bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP557179A JPS5598458A (en) 1979-01-23 1979-01-23 Incandescent bulb

Publications (2)

Publication Number Publication Date
JPS5598458A JPS5598458A (en) 1980-07-26
JPS6221226B2 true JPS6221226B2 (enExample) 1987-05-12

Family

ID=11614894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP557179A Granted JPS5598458A (en) 1979-01-23 1979-01-23 Incandescent bulb

Country Status (1)

Country Link
JP (1) JPS5598458A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163748A (ja) * 1983-03-07 1984-09-14 東芝ライテック株式会社 電球
US4535269A (en) * 1983-08-01 1985-08-13 General Electric Company Incandescent lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527478Y2 (enExample) * 1971-07-07 1977-02-17
JPS50135882A (enExample) * 1974-04-15 1975-10-28
NL7405071A (nl) * 1974-04-16 1975-10-20 Philips Nv Gloeilamp met infrarood filter.
JPS518785A (ja) * 1974-07-11 1976-01-23 Fuji Electric Co Ltd Hakunetsudenkyuomochiitashomeikigu
JPS5191979U (enExample) * 1975-01-21 1976-07-23

Also Published As

Publication number Publication date
JPS5598458A (en) 1980-07-26

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