GB2082745B - An improved reflector for electric projector lamps - Google Patents

An improved reflector for electric projector lamps

Info

Publication number
GB2082745B
GB2082745B GB8027649A GB8027649A GB2082745B GB 2082745 B GB2082745 B GB 2082745B GB 8027649 A GB8027649 A GB 8027649A GB 8027649 A GB8027649 A GB 8027649A GB 2082745 B GB2082745 B GB 2082745B
Authority
GB
United Kingdom
Prior art keywords
projector lamps
improved reflector
electric projector
electric
reflector
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
GB8027649A
Other languages
English (en)
Other versions
GB2082745A (en
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.)
Thorn EMI Ltd
Original Assignee
Thorn EMI 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 Thorn EMI Ltd filed Critical Thorn EMI Ltd
Priority to GB8027649A priority Critical patent/GB2082745B/en
Priority to DE19813132670 priority patent/DE3132670A1/de
Priority to FR8116233A priority patent/FR2489479B1/fr
Publication of GB2082745A publication Critical patent/GB2082745A/en
Application granted granted Critical
Publication of GB2082745B publication Critical patent/GB2082745B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB8027649A 1980-08-27 1980-08-27 An improved reflector for electric projector lamps Expired GB2082745B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8027649A GB2082745B (en) 1980-08-27 1980-08-27 An improved reflector for electric projector lamps
DE19813132670 DE3132670A1 (de) 1980-08-27 1981-08-15 Elektrische lampe
FR8116233A FR2489479B1 (fr) 1980-08-27 1981-08-25 Lampe electrique de projecteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8027649A GB2082745B (en) 1980-08-27 1980-08-27 An improved reflector for electric projector lamps

Publications (2)

Publication Number Publication Date
GB2082745A GB2082745A (en) 1982-03-10
GB2082745B true GB2082745B (en) 1984-03-28

Family

ID=10515658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8027649A Expired GB2082745B (en) 1980-08-27 1980-08-27 An improved reflector for electric projector lamps

Country Status (3)

Country Link
DE (1) DE3132670A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2489479B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2082745B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8384274B2 (en) 2004-02-12 2013-02-26 Mattson Technology, Inc. High-intensity electromagnetic radiation apparatus and methods

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127950A (en) * 1982-09-29 1984-04-18 Rank Organisation Plc Profile spotlight
JPS60184250A (ja) * 1984-03-01 1985-09-19 フュージョン・システムズ・コーポレーション セグメント化された反射器を有するランプ
EP0584071B1 (en) * 1991-04-03 1999-01-07 Flowil International Lighting (Holding) B.V. Lamp and reflector assembly
US5272408A (en) * 1991-05-09 1993-12-21 Gte Products Corporation Lamp and reflector assembly
US20070236121A1 (en) * 2006-04-06 2007-10-11 Lei Deng High-intensity discharge lamp for spot lighting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB336773A (en) * 1928-10-05 1930-10-23 Adolf Buess Improvements in or relating to reflectors
FR938008A (fr) * 1944-08-30 1948-09-02 Philips Nv Appareil d'éclairage
US2913570A (en) * 1957-07-18 1959-11-17 Gen Electric High efficiency floodlight projector
US4021659A (en) * 1975-10-30 1977-05-03 General Electric Company Projector lamp reflector
US4035631A (en) * 1975-12-15 1977-07-12 General Electric Company Projector lamp reflector
US4169238A (en) * 1978-09-06 1979-09-25 Gte Sylvania Incorporated Movie light, low voltage incandescent lamp unit for use therewith, and reflector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8384274B2 (en) 2004-02-12 2013-02-26 Mattson Technology, Inc. High-intensity electromagnetic radiation apparatus and methods

Also Published As

Publication number Publication date
DE3132670C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-07
FR2489479A1 (fr) 1982-03-05
GB2082745A (en) 1982-03-10
DE3132670A1 (de) 1982-04-15
FR2489479B1 (fr) 1987-09-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20000826