CN2117620U - Wide amplitude full scenery colour photo enlarger - Google Patents
Wide amplitude full scenery colour photo enlarger Download PDFInfo
- Publication number
- CN2117620U CN2117620U CN 92215214 CN92215214U CN2117620U CN 2117620 U CN2117620 U CN 2117620U CN 92215214 CN92215214 CN 92215214 CN 92215214 U CN92215214 U CN 92215214U CN 2117620 U CN2117620 U CN 2117620U
- Authority
- CN
- China
- Prior art keywords
- gear
- circular arc
- sector gear
- camera lens
- utility
- 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
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- Projection-Type Copiers In General (AREA)
Abstract
The utility model relates to a wide amplitude type color photo enlarger. The utility model is characterized in that the output shaft of a speed reducing motor is provided with a gear engaged with a sector-shaped gear, the middle line of the sector gear is provided with a chromatic color mixing head and a lens rotating forward and reversely around a shaft core, the central shaft of the sector gear is provided with an arc-shaped image ring provided with a circular arc hole, a platform box for fixing photographic papers also forms a circular arc shape, and light source formed a slit shape projects in a movable mode to the photographic papers through the lens. The utility model has the advantages that the complete enlarged photo has a coincident resolution, and the both ends of the photos can not generate an imaging distortion difference.
Description
The utility model relates to a kind of film processor of long width of cloth formula photochrome.
Present enlarging and print of distant view photograph to 110 °～360 ° generally all is to adopt large-scale colour enlarge-printing system to enlarge and print, the shortcoming of distant view photograph being enlarged and print with large-scale machine is that cost height, image quality are poor, the two ends of photograph generally hang down 20% than the resolution in stage casing after particularly enlarging and print, density is low more than 0.03, thereby produces the serious photogrammetric distortion of photograph two ends imaging.
The purpose of this utility model is exactly in order to address the above problem, and designs a kind of energy and is suitable for the device that long width of cloth panorama photochrome is enlarged and print.
The utility model is to constitute like this, one gear is housed on the shaft of a reducing motor, this gear and sector gear engagement, colored color composition head and camera lens are installed on the center line of sector gear, the transmission of reducing motor and gear makes the color composition head and the camera lens that are contained on the sector gear rotate around the axle center both forward and reverse directions, on the central shaft that sector gear is installed, a circular arc image circle is housed, image circle top has and makes film be fixed into circular-arc circular hole, casing top is the platform case of the fixed case paper of a circular arc, the circular arc of this case and the circular arc of image circle are same axle center on horizontal level, the color light source that is slit-shaped just makes egative film make portable projection exposure to printing paper by camera lens, and the arc surface both sides have the fixedly draw-in groove of printing paper on the platform case.
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Fig. 1 is a structural representation of the present utility model.
1 is sector gear among the figure, and 2 is color composition head and camera lens, and 3 is image circle, and 4 is the platform case, and 5 is Motor Shaft, and 6 is pinion wheel, and 7 is central shaft, and 8 is after panel box.
A reducing motor shaft 5 passes by after panel box 8, one pinion wheel 6 is installed on this shaft 5, this pinion wheel 6 and a sector gear 1 engagement, Motor Shaft drives the constant speed rotation of sector crop rotation both forward and reverse directions by pinion wheel, the reduction gear ratio of motor can be adjusted as required, colored color composition head and camera lens 2 are installed on the center line of sector gear, on the central shaft 7 that sector gear is installed, load onto the image circle 3 of a circular arc, have a circular hole that 24mm～54mm is wide on the top of this image circle, film be placed directly in be fixed on this hole circular-arc, relative static with the printing paper on being fixed on circular arc platform case 4, when motor and gear 6 drives sector gears when central shaft 7 is done the circular arc rotation of both forward and reverse directions, the color light source that is slit-shaped just makes egative film do portable projection to printing paper by the visual field, optical center.
Advantage in utility model is: because the circular arc of image circle and platform case is same axle center at horizontal level, be both again circular arc, so the photo of enlarging and print out like this resolution ratio from the beginning to the end is consistent, density also is uniformly, expands the photograph two ends that and the imaging photogrammetric distortion can not take place.
Can be applicable to 35mm～60mm sheet width of cloth in utility model, the egative film of long 200mm, the photograph of enlarging and print is wide, 127mm～300mm, the longest 1100mm.
Claims (3)
1, the film processor of the long width of cloth distant view photograph of a kind of colour, comprise: colored color composition head, camera lens, casing, reducing motor and gear, it is characterized in that being equipped with on the shaft of a reducing motor gear and sector gear engagement, colored color composition head and camera lens are installed on the center line of sector gear, on the central shaft that sector gear is installed, a circular arc image circle is housed, image circle top has and makes film be fixed into circular-arc circular hole, and casing top is that the circular arc of this case of platform case of fixedly printing paper of a circular arc and the circular arc of image circle are same axle center on horizontal level.
2, film processor according to claim 1, the transmission that it is characterized in that reducing motor and gear makes the color composition head and the camera lens that are contained on the sector gear rotate around the axle center both forward and reverse directions, and the color light source that is slit-shaped just makes egative film make portable projection exposure to printing paper by camera lens.
3,, it is characterized in that having on the arc surface both sides on the platform case the fixedly draw-in groove of printing paper according to the described film processor of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92215214 CN2117620U (en) | 1992-03-05 | 1992-03-05 | Wide amplitude full scenery colour photo enlarger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92215214 CN2117620U (en) | 1992-03-05 | 1992-03-05 | Wide amplitude full scenery colour photo enlarger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2117620U true CN2117620U (en) | 1992-09-30 |
Family
ID=4959647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92215214 Granted CN2117620U (en) | 1992-03-05 | 1992-03-05 | Wide amplitude full scenery colour photo enlarger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2117620U (en) |
-
1992
- 1992-03-05 CN CN 92215214 patent/CN2117620U/en active Granted
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |