JPS58501739A - 光分散装置 - Google Patents

光分散装置

Info

Publication number
JPS58501739A
JPS58501739A JP57503104A JP50310482A JPS58501739A JP S58501739 A JPS58501739 A JP S58501739A JP 57503104 A JP57503104 A JP 57503104A JP 50310482 A JP50310482 A JP 50310482A JP S58501739 A JPS58501739 A JP S58501739A
Authority
JP
Japan
Prior art keywords
light
dispersion device
screen
light dispersion
adjacent
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
JP57503104A
Other languages
English (en)
Japanese (ja)
Inventor
タ−−ホ−スト・アルバ−ト
クル−ク・マイケル・デイヴイツド
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS58501739A publication Critical patent/JPS58501739A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polarising Elements (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP57503104A 1981-10-16 1982-10-15 光分散装置 Pending JPS58501739A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU1199GBEJP 1981-10-16
AUPE119981 1981-10-16
PCT/AU1982/000171 WO1983001516A1 (fr) 1981-10-16 1982-10-15 Dispositif de dispersion lumineuse

Publications (1)

Publication Number Publication Date
JPS58501739A true JPS58501739A (ja) 1983-10-13

Family

ID=3768322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57503104A Pending JPS58501739A (ja) 1981-10-16 1982-10-15 光分散装置

Country Status (6)

Country Link
EP (1) EP0091448A4 (fr)
JP (1) JPS58501739A (fr)
AU (1) AU8996182A (fr)
ES (1) ES516542A0 (fr)
IT (1) IT1191035B (fr)
WO (1) WO1983001516A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590652B1 (fr) * 1985-11-27 1988-11-18 Cit Alcatel Dispositif antireverberatoire pour feu de signalisation
WO1991007681A1 (fr) * 1989-11-10 1991-05-30 Memotech Computers Limited Traitement optique d'images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2398624A (en) * 1943-12-17 1946-04-16 Pennsylvania Railroad Co Light transmitting element
US2745001A (en) * 1951-12-15 1956-05-08 Edwin F Guth Light diffusors for illuminating devices
US2913576A (en) * 1957-03-18 1959-11-17 Curtis Lighting Inc Louver-diffuser
GB1275094A (en) * 1968-08-22 1972-05-24 Nippon Selfoc Co Ltd Optical device for transmitting an image
NL7309384A (nl) * 1973-07-05 1975-01-07 Philips Nv Vezelplaat met een regelmatige stapeling van rechthoekige vezels.
US4184762A (en) * 1978-06-16 1980-01-22 Oscar Guzman Variable definition projection systems

Also Published As

Publication number Publication date
IT8223772A1 (it) 1984-04-15
ES8308121A1 (es) 1983-08-01
IT1191035B (it) 1988-02-24
EP0091448A4 (fr) 1984-03-14
ES516542A0 (es) 1983-08-01
WO1983001516A1 (fr) 1983-04-28
AU8996182A (en) 1983-05-05
EP0091448A1 (fr) 1983-10-19
IT8223772A0 (it) 1982-10-15

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