EP0418784A3 - Lamp provided with thin film for reflecting infrared rays - Google Patents

Lamp provided with thin film for reflecting infrared rays Download PDF

Info

Publication number
EP0418784A3
EP0418784A3 EP19900117866 EP90117866A EP0418784A3 EP 0418784 A3 EP0418784 A3 EP 0418784A3 EP 19900117866 EP19900117866 EP 19900117866 EP 90117866 A EP90117866 A EP 90117866A EP 0418784 A3 EP0418784 A3 EP 0418784A3
Authority
EP
European Patent Office
Prior art keywords
thin film
infrared rays
lamp provided
reflecting infrared
reflecting
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.)
Withdrawn
Application number
EP19900117866
Other versions
EP0418784A2 (en
Inventor
Tsune Miyashita
Masayoshi Kodama
Atsushi Hatakeyama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0418784A2 publication Critical patent/EP0418784A2/en
Publication of EP0418784A3 publication Critical patent/EP0418784A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/32Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/38Devices for influencing the colour or wavelength of the light
    • H01J61/40Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
EP19900117866 1989-09-20 1990-09-17 Lamp provided with thin film for reflecting infrared rays Withdrawn EP0418784A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24199389A JPH03105849A (en) 1989-09-20 1989-09-20 Lamp
JP241993/89 1989-09-20

Publications (2)

Publication Number Publication Date
EP0418784A2 EP0418784A2 (en) 1991-03-27
EP0418784A3 true EP0418784A3 (en) 1991-08-14

Family

ID=17082654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900117866 Withdrawn EP0418784A3 (en) 1989-09-20 1990-09-17 Lamp provided with thin film for reflecting infrared rays

Country Status (2)

Country Link
EP (1) EP0418784A3 (en)
JP (1) JPH03105849A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69514710T2 (en) * 1994-05-12 2000-09-28 Iwasaki Electric Co Ltd Metal halide lamp
GB2302208B (en) * 1995-06-09 1998-11-11 Gen Electric Electric incandescent lamps
AT4408U1 (en) * 2000-05-18 2001-06-25 Plansee Ag METHOD FOR PRODUCING AN ELECTRIC LAMP
WO2004053925A2 (en) 2002-12-12 2004-06-24 Philips Intellectual Property & Standards Gmbh Lamp with infrared reflecting coating
WO2008078241A1 (en) * 2006-12-20 2008-07-03 Philips Intellectual Property & Standards Gmbh White light emitting electric lamp assembly
JP4801612B2 (en) * 2007-03-15 2011-10-26 モリト株式会社 Belt mounting bracket

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428608A (en) * 1973-02-14 1976-03-17 Canon Kk Dichroic mirrors
US4229066A (en) * 1978-09-20 1980-10-21 Optical Coating Laboratory, Inc. Visible transmitting and infrared reflecting filter
US4247167A (en) * 1977-05-27 1981-01-27 Canon Kabushiki Kaisha Dichroic mirror with at least ten layers
EP0041358A2 (en) * 1980-06-03 1981-12-09 Optical Coating Laboratory, Inc. Non-polarizing thin film edge filter and fiber optic communication systems incorporating such filters
JPS61147449A (en) * 1984-12-18 1986-07-05 Matsushita Electric Works Ltd Variable color fluorescent lamp
WO1989002607A2 (en) * 1987-09-11 1989-03-23 Litton Systems Inc. Partly transparent mirror for a ring laser gyro

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428608A (en) * 1973-02-14 1976-03-17 Canon Kk Dichroic mirrors
US4247167A (en) * 1977-05-27 1981-01-27 Canon Kabushiki Kaisha Dichroic mirror with at least ten layers
US4229066A (en) * 1978-09-20 1980-10-21 Optical Coating Laboratory, Inc. Visible transmitting and infrared reflecting filter
EP0041358A2 (en) * 1980-06-03 1981-12-09 Optical Coating Laboratory, Inc. Non-polarizing thin film edge filter and fiber optic communication systems incorporating such filters
JPS61147449A (en) * 1984-12-18 1986-07-05 Matsushita Electric Works Ltd Variable color fluorescent lamp
WO1989002607A2 (en) * 1987-09-11 1989-03-23 Litton Systems Inc. Partly transparent mirror for a ring laser gyro

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 343 (E-456)(2399) 19 November 86, & JP-A-61 147449 (MATSUSHITA) 05 July 1986, *

Also Published As

Publication number Publication date
JPH03105849A (en) 1991-05-02
EP0418784A2 (en) 1991-03-27

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