JPH0273622U - - Google Patents

Info

Publication number
JPH0273622U
JPH0273622U JP1988153441U JP15344188U JPH0273622U JP H0273622 U JPH0273622 U JP H0273622U JP 1988153441 U JP1988153441 U JP 1988153441U JP 15344188 U JP15344188 U JP 15344188U JP H0273622 U JPH0273622 U JP H0273622U
Authority
JP
Japan
Prior art keywords
light
projection
light source
mirror
reflective
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.)
Granted
Application number
JP1988153441U
Other languages
English (en)
Japanese (ja)
Other versions
JPH08673Y2 (ja
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 filed Critical
Priority to JP1988153441U priority Critical patent/JPH08673Y2/ja
Priority to FR8913971A priority patent/FR2639723B1/fr
Priority to GB8925444A priority patent/GB2225446B/en
Priority to US07/438,069 priority patent/US4979813A/en
Priority to CA002003328A priority patent/CA2003328C/en
Priority to DE3938938A priority patent/DE3938938C2/de
Publication of JPH0273622U publication Critical patent/JPH0273622U/ja
Application granted granted Critical
Publication of JPH08673Y2 publication Critical patent/JPH08673Y2/ja
Priority to HK97102004A priority patent/HK1000426A1/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/04—Opaque

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP1988153441U 1988-11-25 1988-11-25 反射型実物投影機 Expired - Lifetime JPH08673Y2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1988153441U JPH08673Y2 (ja) 1988-11-25 1988-11-25 反射型実物投影機
FR8913971A FR2639723B1 (fr) 1988-11-25 1989-10-25 Projecteur d'image reelle lumineuse reflechie
GB8925444A GB2225446B (en) 1988-11-25 1989-11-10 Opaque projector
CA002003328A CA2003328C (en) 1988-11-25 1989-11-20 Opaque projector
US07/438,069 US4979813A (en) 1988-11-25 1989-11-20 Opaque projector
DE3938938A DE3938938C2 (de) 1988-11-25 1989-11-24 Episkop
HK97102004A HK1000426A1 (en) 1988-11-25 1997-10-22 Opaque projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988153441U JPH08673Y2 (ja) 1988-11-25 1988-11-25 反射型実物投影機

Publications (2)

Publication Number Publication Date
JPH0273622U true JPH0273622U (US20100223739A1-20100909-C00005.png) 1990-06-05
JPH08673Y2 JPH08673Y2 (ja) 1996-01-10

Family

ID=15562605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988153441U Expired - Lifetime JPH08673Y2 (ja) 1988-11-25 1988-11-25 反射型実物投影機

Country Status (7)

Country Link
US (1) US4979813A (US20100223739A1-20100909-C00005.png)
JP (1) JPH08673Y2 (US20100223739A1-20100909-C00005.png)
CA (1) CA2003328C (US20100223739A1-20100909-C00005.png)
DE (1) DE3938938C2 (US20100223739A1-20100909-C00005.png)
FR (1) FR2639723B1 (US20100223739A1-20100909-C00005.png)
GB (1) GB2225446B (US20100223739A1-20100909-C00005.png)
HK (1) HK1000426A1 (US20100223739A1-20100909-C00005.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534955A (en) * 1994-04-21 1996-07-09 Fuji Photo Film Co., Ltd. Reflection type projector
DE9411145U1 (de) * 1994-07-09 1994-09-15 ProCent Patent- und Verwaltungs AG, Zürich Realbild-Auflichtprojektor
US5504544A (en) * 1994-11-23 1996-04-02 Minnesota Mining And Manufacturing Company Projector with multiple lamp light source
SG114471A1 (en) * 2000-09-08 2005-09-28 Vista Technology Co Ltd Projector with image source from objects
US20140247431A1 (en) * 2014-05-09 2014-09-04 Terry James Boss Projector with light emitting diodes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068739U (US20100223739A1-20100909-C00005.png) * 1973-10-22 1975-06-19
JPS5279936U (US20100223739A1-20100909-C00005.png) * 1975-12-12 1977-06-15
JPS6111148U (ja) * 1984-06-22 1986-01-23 マックス株式会社 反射型投影機の照明装置
JPS6116544U (ja) * 1984-07-03 1986-01-30 マックス株式会社 反射型投影機の照明装置
JPS6378941U (US20100223739A1-20100909-C00005.png) * 1986-11-12 1988-05-25

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1373491A (en) * 1919-07-25 1921-04-05 Frank J Detwiler Picture-projector
GB336499A (en) * 1929-01-31 1930-10-16 Ernst Leitz Improvements in or relating to episcopic projection apparatus
GB605562A (en) * 1945-04-30 1948-07-27 Bruce Martin Improvements in and relating to episcopic projection
US3947103A (en) * 1970-10-19 1976-03-30 Gerald Altman Low profile episcopic projector and opaque materials therefor
US3915567A (en) * 1970-10-19 1975-10-28 Gerald Altman Low profile episcopic projector and opaque materials therefor
DE1797080A1 (de) * 1968-08-13 1972-01-20 Enna Werk Optik Apelt Episkop
DE2723228C2 (de) * 1977-05-23 1982-11-04 Demolux Gmbh & Co Kg, 6070 Langen Episkop
DE2839742A1 (de) * 1978-09-13 1980-03-27 Reflecta Gmbh Foto Vorfuehrsystem zur vorfuehrung undurchsichtiger bilder, wie z.b. fotos
GB2062892B (en) * 1979-11-07 1983-11-16 Eaton T W Aid for the partially sighted
DE3225594A1 (de) * 1982-03-26 1983-10-06 Frank G Dr Back Episkopischer projektor
JPH0442838Y2 (US20100223739A1-20100909-C00005.png) * 1984-11-13 1992-10-09
US4682868A (en) * 1985-05-31 1987-07-28 Constantin Systems, Inc. Thermal management system for an episcopic image projector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068739U (US20100223739A1-20100909-C00005.png) * 1973-10-22 1975-06-19
JPS5279936U (US20100223739A1-20100909-C00005.png) * 1975-12-12 1977-06-15
JPS6111148U (ja) * 1984-06-22 1986-01-23 マックス株式会社 反射型投影機の照明装置
JPS6116544U (ja) * 1984-07-03 1986-01-30 マックス株式会社 反射型投影機の照明装置
JPS6378941U (US20100223739A1-20100909-C00005.png) * 1986-11-12 1988-05-25

Also Published As

Publication number Publication date
US4979813A (en) 1990-12-25
CA2003328A1 (en) 1990-05-25
CA2003328C (en) 1994-01-18
DE3938938C2 (de) 1994-05-05
HK1000426A1 (en) 1998-03-20
DE3938938A1 (de) 1990-06-07
JPH08673Y2 (ja) 1996-01-10
GB8925444D0 (en) 1989-12-28
FR2639723B1 (fr) 1994-01-14
GB2225446B (en) 1993-02-03
GB2225446A (en) 1990-05-30
FR2639723A1 (fr) 1990-06-01

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