US3692407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making aerial survey photographs scale
Assignee: Individual
•
Filing: 1970-12-17
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Granted: 1972-09-19
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Expires: 1990-12-17
Abstract
Abstract The method of making an aerial survey photograph of a geographical area to scale and apparatus for use in said method. A plotting is made on a template, preferably positioned on an easel, at a given scale of the correct relative locations of key points of a geographical area. An image of an out of scale aerial survey photograph of said area showing said key points is projected onto a flexible reflective surface, preferably a mirror, which in turn reflects said image onto the template. The flexible reflective surface is manipulated, preferably by deforming the mirror by certain provided means, until the key points of said image registers with the corresponding key points on the template. The projection is then stopped, an unexposed photographic film placed at the template location, and the projection resumed, thereby making an inscale photograph at the same scale as the template of the geographical area.
Inventors
- 👤 Morris Ramsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:55
CPC Classifications
G; G01; G01C; G01C11/00; G01C11/04; G02; G02B; G02B26/00; G02B26/08; G02B26/0816; G02B26/0825
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
127 words
The method of making an aerial survey photograph of a geographical area to scale, comprising plotting on a template at a given scale the correct relative locations of key points in said area, projecting an image of an out of scale aerial survey photograph of said area showing said key points onto a flexible reflective surface that reflects said image onto the template, manipulating said surface to register said key points of said image with the corresponding key points on the template, stopping said projection, placing an unexposed photographic film at the template location, resuming said projection onto said reflective surface to reflect said image onto the film to expose it, and processing the exposed film to produce a picture at the same scale as the template.
Claim 2
Independent Claim
127 words
The method of making an aerial survey photograph of a geographical area to scale, comprising plotting on a template at a given scale the correct relative locations of key points in said area, projecting an image of an out of scale aerial survey photograph of said area showing said key points onto a flexible reflective surface that reflects said image onto the template, manipulating said surface to register said key points of said image with the corresponding key points on the template, stopping said projection, placing an unexposed photographic film at the template location, resuming said projection onto said reflective surface to reflect said image onto the film to expose it, and processing the exposed film to produce a picture at the same scale as the template.
Claim 3
Dependent Claim
36 words
A method according to claim 1, in which said reflective surface is manipulated by deforming portions of it out of its plane to change the distance between said key points of the image on the template.
Claim 4
Dependent Claim
117 words
Apparatus for use with a photographic projector for making an aerial survey photograph of a geographic area to scale, comprising a template representing said geographic area at a given scale and including key points of said area in correct relative locations thereon, a normally flat flexible mirror for reflecting onto said template the projected image of an out of scale aerial survey photograph of said area showing said key points, an easel for supporting said template relative to said mirror to receive a projected image of said photograph as reflected by said mirror, and means for deforming selected areas of the mirror to cause the projected image key points to register with the corresponding template key points.
Claim 5
Dependent Claim
117 words
Apparatus for use with a photographic projector for making an aerial survey photograph of a geographic area to scale, comprising a template representing said geographic area at a given scale and including key points of said area in correct relative locations thereon, a normally flat flexible mirror for reflecting onto said template the projected image of an out of scale aerial survey photograph of said area showing said key points, an easel for supporting said template relative to said mirror to receive a projected image of said photograph as reflected by said mirror, and means for deforming selected areas of the mirror to cause the projected image key points to register with the corresponding template key points.
Claim 6
Dependent Claim
17 words
Apparatus according to claim 3, including means for adjusting the mirror in different directions in its plane.
Claim 7
Dependent Claim
17 words
Apparatus according to claim 3, including means for adjusting the mirror toward and away from said easel.
Claim 8
Dependent Claim
18 words
Apparatus according to claim 3, including means for adjusting the angle of said easel relative to the mirror.
Claim 9
Dependent Claim
52 words
Apparatus according to claim 3, in which said mirror-deforming means include a plurality of laterally spaced distortion members behind the mirror, and means for moving said members independently of one another in a direction perpendicular to the mirror to bend engaged areas of the mirror out of the plane of the mirror.
Claim 10
Dependent Claim
38 words
Apparatus according to claim 7, in which said member-moving means include tubes, means supporting the tubes, wires extending through the tubes and joined to said members, and means for moving the wires back and forth in the tubes.
Claim 11
Dependent Claim
77 words
Apparatus according to claim 7, in which said member-moving means include tubes extending rearwardly away from the mirror and then laterally, flexible wires extending though the tubes and joined to said members, means for moving the wires back and forth in the tube, guide rods secured to the tubes and extending laterally therewith, and means for supporting the rods in different positions to permit said distortion members to be adjusted in a plane parallel to the mirror.
Claim 12
Dependent Claim
39 words
Apparatus according to claim 3, in which said easel includes a flat table, a flat cushion of resilient material mounted on the table, a glass plate covering said sheet, and means normally pressing the said plate toward said cushion.
Claim 13
Dependent Claim
50 words
Apparatus according to claim 10, including a base, a frame behind the table hinged at one edge to said base, means carried by the frame supporting the table, and means for adjusting said last-mentioned means relative to the frame to adjust the angle of the table relative to the frame.
Claim 14
Dependent Claim
97 words
Apparatus according to claim 10, in which said plate-pressing means include cross members extending across said glass plate near two opposite edges and projecting endwise beyond the plate, and flexible resilient members looped around the projecting ends of the cross members and secured to the table for pulling the plate toward the table, one of said cross members being movable away from the plate to release the adjoining edge of the glass plate, so that it can be swung away from said cushion to permit a template or film to be inserted between the plate and cushion.
Claim 15
Independent Claim
100 words
The method of making precision photogrammetric representations of terrain, structures, and the like which comprises locating by measurement key points within the area to be represented photographically, preparing a template upon which said key points are located with precision, placing the template upon a holder, projecting an image from a photograph of the area onto a reflective surface from which the image is reflected to the template and selectively deforming the reflective surface whereby distortions inherent in the photograph are corrected and the key points projected from the photograph are caused to overlie the same key points on the template.
Claim 16
Independent Claim
100 words
The method of making precision photogrammetric representations of terrain, structures, and the like which comprises locating by measurement key points within the area to be represented photographically, preparing a template upon which said key points are located with precision, placing the template upon a holder, projecting an image from a photograph of the area onto a reflective surface from which the image is reflected to the template and selectively deforming the reflective surface whereby distortions inherent in the photograph are corrected and the key points projected from the photograph are caused to overlie the same key points on the template.
Claim 17
Dependent Claim
33 words
The method of claim 13 in which the photograph is projected onto a flat surface, the alignment of the projector and flat surface are relatively adjusted, and the reflecting surface is thereafter deformed.
Claim 18
Dependent Claim
30 words
The method of claim 13 in which a sheet of photographic material is placed in the plane of the template and exposed to form a corrected and scaled photographic representation.
Claim 19
Independent Claim
85 words
The method of making precision photogrammetric representations of terrain, structures and the like which comprises locating by measurement key points within the area to be represented photographically, preparing a template upon which said key points are located with precision, locating the template upon a holder, projecting the photograph onto the template, and selectively distorting the photographic image to correct for distortion and displacement in the photograph whereby the key points projected from the photograph are caused to overlie the same key points on the template.
Claim 20
Independent Claim
85 words
The method of making precision photogrammetric representations of terrain, structures and the like which comprises locating by measurement key points within the area to be represented photographically, preparing a template upon which said key points are located with precision, locating the template upon a holder, projecting the photograph onto the template, and selectively distorting the photographic image to correct for distortion and displacement in the photograph whereby the key points projected from the photograph are caused to overlie the same key points on the template.
Claim 21
Dependent Claim
19 words
The method of claim 16 in which a sheet of photographic material is exposed to the corrected scaled representation.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |