GB826422A - Improvements in or relating to panoramic motion pictures - Google Patents
Improvements in or relating to panoramic motion picturesInfo
- Publication number
- GB826422A GB826422A GB916/57A GB91657A GB826422A GB 826422 A GB826422 A GB 826422A GB 916/57 A GB916/57 A GB 916/57A GB 91657 A GB91657 A GB 91657A GB 826422 A GB826422 A GB 826422A
- Authority
- GB
- United Kingdom
- Prior art keywords
- films
- vignetted
- printed
- lines
- negative
- 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
Links
- 230000000873 masking effect Effects 0.000 abstract 2
- 238000009792 diffusion process Methods 0.000 abstract 1
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
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Projection-Type Copiers In General (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
826,422. Panoramic kinematography. C-M EQUIPMENT CORPORATION. Jan. 9, 1957 [May 8, 1956], No. 916/57. Classes 97(1) and 98(1) Films intended for projection to form a mosaic image have marginal portions of their frames vignetted across the regions of overlap where the same parts of the subject are recorded on two films. Thus three films 22, 23, 24, Fig. 5 are vignetted during printing at 16, 17, 19, 21 to give zones of density increasing outwardly. Three white cards are provided, one for each film, with groups of lines of graded thickness and spacing, as shown in Fig. 3, in one or both margins as required. The lines are blended together by air brush. The cards are then photographed to produce masking films. During printing the positive stock films are exposed first to the negative films and then to the masking films. Alternatively the vignetting areas may be printed on first in apparatus as shown in Fig. 6. An illuminated diffusion screen 33 is disposed behind the device 34 which is opaque in the centre but has marginal slits and is imaged by the lens 35 in the camera 29. After exposure the positive stock is printed from the negative.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US826422XA | 1956-05-08 | 1956-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB826422A true GB826422A (en) | 1960-01-06 |
Family
ID=22172459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB916/57A Expired GB826422A (en) | 1956-05-08 | 1957-01-09 | Improvements in or relating to panoramic motion pictures |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB826422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1163670B (en) * | 1962-02-05 | 1964-02-20 | Smith Dieterich Corp | Mosaic Photography Process |
-
1957
- 1957-01-09 GB GB916/57A patent/GB826422A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1163670B (en) * | 1962-02-05 | 1964-02-20 | Smith Dieterich Corp | Mosaic Photography Process |
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