JPS52113073A - Electric bulb - Google Patents

Electric bulb

Info

Publication number
JPS52113073A
JPS52113073A JP2885476A JP2885476A JPS52113073A JP S52113073 A JPS52113073 A JP S52113073A JP 2885476 A JP2885476 A JP 2885476A JP 2885476 A JP2885476 A JP 2885476A JP S52113073 A JPS52113073 A JP S52113073A
Authority
JP
Japan
Prior art keywords
light
electric bulb
head portion
bulb
property
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
JP2885476A
Other languages
Japanese (ja)
Inventor
Michiya Mashita
Masao Nagai
Takashi Matsuo
Hiroshi Nakagawa
Takao Akaishi
Yasushi Yamada
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 JP2885476A priority Critical patent/JPS52113073A/en
Publication of JPS52113073A publication Critical patent/JPS52113073A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide an electric bulb having excellent illumination effects by forming a thin film for improving the light permeability on a head portion of a transparent glass bulb and also providing a light scattering film having both light reflecting property and light transmitting property in directions other than those corresponding to the head portion.
COPYRIGHT: (C)1977,JPO&Japio
JP2885476A 1976-03-17 1976-03-17 Electric bulb Pending JPS52113073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2885476A JPS52113073A (en) 1976-03-17 1976-03-17 Electric bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2885476A JPS52113073A (en) 1976-03-17 1976-03-17 Electric bulb

Publications (1)

Publication Number Publication Date
JPS52113073A true JPS52113073A (en) 1977-09-21

Family

ID=12259957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2885476A Pending JPS52113073A (en) 1976-03-17 1976-03-17 Electric bulb

Country Status (1)

Country Link
JP (1) JPS52113073A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157947A (en) * 1983-02-25 1984-09-07 東芝ライテック株式会社 Bulb
JPS609051A (en) * 1983-06-28 1985-01-18 東芝ライテック株式会社 Bulb

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4325739Y1 (en) * 1965-10-26 1968-10-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4325739Y1 (en) * 1965-10-26 1968-10-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157947A (en) * 1983-02-25 1984-09-07 東芝ライテック株式会社 Bulb
JPS609051A (en) * 1983-06-28 1985-01-18 東芝ライテック株式会社 Bulb

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