JPS61103135A - オ−バヘツドタイプ幻灯機の冷却装置 - Google Patents
オ−バヘツドタイプ幻灯機の冷却装置Info
- Publication number
- JPS61103135A JPS61103135A JP59224200A JP22420084A JPS61103135A JP S61103135 A JPS61103135 A JP S61103135A JP 59224200 A JP59224200 A JP 59224200A JP 22420084 A JP22420084 A JP 22420084A JP S61103135 A JPS61103135 A JP S61103135A
- Authority
- JP
- Japan
- Prior art keywords
- slide
- air
- air outlet
- file sheet
- overhead type
- 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
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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59224200A JPS61103135A (ja) | 1984-10-26 | 1984-10-26 | オ−バヘツドタイプ幻灯機の冷却装置 |
DE19843442777 DE3442777A1 (de) | 1984-10-26 | 1984-11-20 | Kuehleinrichtung fuer diaprojektoren der overhead-art |
FR8417827A FR2572550A1 (fr) | 1984-10-26 | 1984-11-22 | Dispositif de refroidissement pour retroprojecteur de diapositives |
IT23742/84A IT1177326B (it) | 1984-10-26 | 1984-11-26 | Dispositivo di raffreddamento per proiettori di diapositive del tipo in testa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59224200A JPS61103135A (ja) | 1984-10-26 | 1984-10-26 | オ−バヘツドタイプ幻灯機の冷却装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61103135A true JPS61103135A (ja) | 1986-05-21 |
Family
ID=16810090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59224200A Pending JPS61103135A (ja) | 1984-10-26 | 1984-10-26 | オ−バヘツドタイプ幻灯機の冷却装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS61103135A (de) |
DE (1) | DE3442777A1 (de) |
FR (1) | FR2572550A1 (de) |
IT (1) | IT1177326B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999031550A1 (de) * | 1997-12-15 | 1999-06-24 | Mester Laszlo | Projektionseinrichtung vor allem für freiluftbetrieb |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1825669U (de) * | 1960-07-27 | 1961-01-26 | Leitz Ernst Gmbh | Kuehleinrichtung fuer projektoren. |
US4133605A (en) * | 1976-06-29 | 1979-01-09 | Wiggin Blanton C | Preview and projection system for slides stored in spaced, co-planar relation in a planar holder |
JPS5374030A (en) * | 1976-12-14 | 1978-07-01 | Slidex Corp | Slide file sheet |
DE3009791C2 (de) * | 1980-03-14 | 1982-10-28 | Agfa-Gevaert Ag, 5090 Leverkusen | Laufbildprojektor oder -betrachter mit einer Stillstandsprojektionseinrichtung |
JPS59180533A (ja) * | 1983-03-31 | 1984-10-13 | Suraidetsukusu Kk | オ−バヘツドタイプ幻灯機の冷却装置 |
DE8319130U1 (de) * | 1983-07-02 | 1984-01-05 | Demolux Gmbh & Co Kg, 6070 Langen | Diaprojektor |
-
1984
- 1984-10-26 JP JP59224200A patent/JPS61103135A/ja active Pending
- 1984-11-20 DE DE19843442777 patent/DE3442777A1/de active Granted
- 1984-11-22 FR FR8417827A patent/FR2572550A1/fr active Pending
- 1984-11-26 IT IT23742/84A patent/IT1177326B/it active
Also Published As
Publication number | Publication date |
---|---|
IT8423742A0 (it) | 1984-11-26 |
FR2572550A1 (fr) | 1986-05-02 |
IT1177326B (it) | 1987-08-26 |
DE3442777C2 (de) | 1989-10-26 |
DE3442777A1 (de) | 1986-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4006833B2 (ja) | 光学装置 | |
CA2487548C (en) | Lighting and ventilating apparatus and method | |
CN101203803B (zh) | 具有冷却风扇的投影仪系统 | |
US3701895A (en) | Combined lighting and ventilating fixture | |
US6450646B1 (en) | Display unit | |
AU761761B2 (en) | Liquid crystal projection apparatus and lamp | |
JP4259571B2 (ja) | プロジェクタ | |
US4882599A (en) | Overhead projector | |
US6462804B1 (en) | Display apparatus and its cooling method | |
US6967839B2 (en) | Cooling device for light valve | |
JPS59180533A (ja) | オ−バヘツドタイプ幻灯機の冷却装置 | |
US6183115B1 (en) | Image projecting lampshade | |
JPS61103135A (ja) | オ−バヘツドタイプ幻灯機の冷却装置 | |
US20050225963A1 (en) | Cooling apparatus for light source | |
JP3557165B2 (ja) | 光源装置及びこれを有した投写型映像表示装置 | |
US6945655B1 (en) | Convection cooled light projector | |
US4068931A (en) | Reflector including light filter for photographic use | |
JP2005536023A (ja) | バックライト装置、液晶ディスプレイ、および液晶ディスプレイの照光方法 | |
GB2414085A (en) | Image projection apparatus with air cooling | |
JPH10186517A (ja) | 投写形表示機の冷却装置 | |
US4910873A (en) | Image projector for photographs and other objects | |
JP2007171390A (ja) | 投射形表示装置 | |
CN219799969U (zh) | 具有上下散热风路结构的光机及投影仪 | |
CN219799963U (zh) | 投影仪光机及投影仪 | |
JPH04283723A (ja) | 液晶表示装置用冷却装置 |