CA988484A - Lamp unit with controlled-diffusion reflector and method of making the reflector - Google Patents

Lamp unit with controlled-diffusion reflector and method of making the reflector

Info

Publication number
CA988484A
CA988484A CA185,319A CA185319A CA988484A CA 988484 A CA988484 A CA 988484A CA 185319 A CA185319 A CA 185319A CA 988484 A CA988484 A CA 988484A
Authority
CA
Canada
Prior art keywords
reflector
making
controlled
lamp unit
diffusion
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
CA185,319A
Other versions
CA185319S (en
Inventor
Robert E. Levin
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Application granted granted Critical
Publication of CA988484A publication Critical patent/CA988484A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • 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
    • F21V7/10—Construction
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CA185,319A 1973-01-02 1973-11-08 Lamp unit with controlled-diffusion reflector and method of making the reflector Expired CA988484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00319321A US3825742A (en) 1973-01-02 1973-01-02 Lamp unit with controlled-diffusion reflector and method of making the reflector

Publications (1)

Publication Number Publication Date
CA988484A true CA988484A (en) 1976-05-04

Family

ID=23241760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,319A Expired CA988484A (en) 1973-01-02 1973-11-08 Lamp unit with controlled-diffusion reflector and method of making the reflector

Country Status (4)

Country Link
US (1) US3825742A (en)
JP (1) JPS5941161B2 (en)
CA (1) CA988484A (en)
DE (1) DE2363378B2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057453A (en) * 1973-09-14 1975-05-19
JPS5616001Y2 (en) * 1974-07-29 1981-04-15
US4021659A (en) * 1975-10-30 1977-05-03 General Electric Company Projector lamp reflector
DE3027774A1 (en) * 1980-07-22 1982-02-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München REFLECTOR FOR ILLUMINATING A SURFACE
DE3027719A1 (en) * 1980-07-22 1982-02-11 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München REFLECTOR FOR ILLUMINATING A SURFACE
AT407782B (en) * 1989-10-17 2001-06-25 Bartenbach Christian REFLECTOR BOWL
WO1993022160A1 (en) * 1992-05-01 1993-11-11 Adonis Incorporated Headgear with safety light
KR100715059B1 (en) * 2000-02-15 2007-05-07 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Electric lamp/reflector unit
US6494596B1 (en) 2000-06-13 2002-12-17 Hubbell Incorporated Reflector with textured inner surface and prismatic outer surface
GB2384549B (en) * 2002-01-23 2003-12-10 Aurora Ltd Lamps
TW557057U (en) * 2002-10-09 2003-10-01 Lite On Technology Corp Scanner
US7025476B2 (en) * 2003-04-25 2006-04-11 Acuity Brands, Inc. Prismatic reflectors with a plurality of curved surfaces
JP3863126B2 (en) * 2003-06-26 2006-12-27 旭テクノグラス株式会社 Glass reflector for projector and manufacturing method thereof
US20070081248A1 (en) * 2005-10-11 2007-04-12 Kuohua Wu Reflector
KR20170000208A (en) * 2015-06-23 2017-01-02 코닝정밀소재 주식회사 Mold and method for vacuum forming of substrate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702411A (en) * 1950-09-15 1955-02-22 Thomas W Winstead Method for forming and embossing thermoplastic materials
US3331960A (en) * 1964-11-27 1967-07-18 Sylvania Electric Prod Portable photogrpahic light
US3511983A (en) * 1967-04-10 1970-05-12 Corning Glass Works Lighting device for dental and surgical procedures

Also Published As

Publication number Publication date
DE2363378C3 (en) 1979-03-22
US3825742A (en) 1974-07-23
DE2363378B2 (en) 1978-06-15
JPS5053056A (en) 1975-05-10
DE2363378A1 (en) 1974-07-04
JPS5941161B2 (en) 1984-10-05

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