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Title: US4557570: Camera assembly for three-dimensional photography
[ Derwent Title ]

Country: US United States of America

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18 pages

Inventor: Hines, Stephen P.; Glendale, CA

Assignee: Walt Disney Productions, Burbank, CA
other patents from WALT DISNEY PRODUCTIONS (617670) (approx. 22)
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Published / Filed: 1985-12-10 / 1983-09-26

Application Number: US1983000535991

IPC Code: Advanced: G03B 35/08;
IPC-7: F04C 2/54; F16H 21/44; G03B 21/18; G03B 35/08;

ECLA Code: G03B35/08;

U.S. Class: Current: 396/325; 052/786.13; 074/105; 074/471.XY; 352/057; 414/917;
Original: 354/113; 052/790; 074/105; 074/471.XY; 352/057; 414/917;

Field of Search: 354/104,112,113,117-119 352/057,60,62,65,87-89 052/786,788,790 074/89.15,105,471 R,471 XY 414/917

Priority Number:
1983-09-26  US1983000535991

Abstract:     A camera assembly is provided for photographing a scene or subject from two slightly different positions with controlled three-dimensional effects for subsequent viewing, for example, with the assistance of special eyeglasses having appropriately filtered lenses. The camera assembly comprises a pair of cameras, such as two motion picture cameras, mounted onto a rigid frame for photographing a common scene or subject, with one of the cameras receiving light transmitted through a beamsplitter and the other camera receiving light reflected from the beamsplitter. One of the cameras is stationary on the frame whereas the other camera is movably supported by a mechanical control linkage to controllably vary three-dimensional effects by adjusting the lateral or interocular spacing between the nodal points of lens units for the two cameras and further by adjusting the movable camera to select the point of intersection, or convergence distance setting, of the camera sight lines within their fields of view. The mechanical control linkage advantageously permits adjustment in the interocular spacing with little or no change in the convergence distance setting, and further permits convergence distance setting adjustment with minimal or no effect upon the interocular spacing. Visible scales on the camera assembly frame provide a direct indication of the interocular spacing and convergence distance setting. Additional features include improved locking assemblies for positively seating the two cameras in place on the frame and an improved rigid beamsplitter mounting arrangement.

Attorney, Agent or Firm: Fulwider, Patton, Rieber, Lee & Utecht ;

Primary / Asst. Examiners: Adams, Russell E.; Lee, Douglas S.

Maintenance Status: E3 Expired  Check current status

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Designated Country: DE FR GB IT 

Family: Show 9 known family members

First Claim:
Show all 36 claims
What is clamed is:     1. A camera assembly for three-dimensional photography, comprising:
  • a frame;
  • a beamsplitter on said frame for receiving light from a scene and for separating the received light into substantially equal reflected and transmitted portions;
  • a first camera on said frame for receiving one of the reflected and transmitted light portions;
  • a second camera on said frame for receiving the other of the reflected and transmitted light portions; and
  • a mechanical control linkage movably supporting said second camera with respect to said frame, said control linkage including means for substantially independently displacing said second camera relative to said first camera to selectively adjust the interocular spacing between said first and second cameras and for displacing said second camera relative to said first camera to selectively adjust the angular relationship of the sight lines of said first and second cameras.

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Forward References: Show 19 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (19)   |   Backward references (7)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 5pp US2727427* 1955-12 Jenkins    
Get PDF - 14pp US2838975  1958-06 Laube et al.   Means for making stereoscopic pictures
Get PDF - 3pp US2916962* 1959-12 Spottiswoode et al.    
Get PDF - 3pp US3152369* 1964-10 Gottesleben    
Get PDF - 8pp US3891303  1975-06 Barquero   Combined system of optical devices for photography and stereoscopic vision
Get PDF - 16pp US4303316  1981-12 McElveen   Process for recording visual scenes for reproduction in stereopsis
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Foreign References: None

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