Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960)
[ACTIVE]
Focal-Plane Shutters and the Design of High-Frame-Rate Cameras
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Journal Article
- Content Type
- Original Research
- Abbreviated Title
- J SMPTE
- Volume
- 69, No. 11, pp. 801–807
- Abstract
- Operating principles for a new family of rotating-mirror framing cameras which make use of focal-plane shutters are described and examples are given. The basic concept is an extension of the idea of isotransport of image and film, presently found only in moving-film cameras. The rotating mirror and a number of prisms, plane mirrors or concave mirrors are used to produce a sequence of connected frames which move past a fixed slit in the camera at constant velocity. The moving image segments seen through the slit are then relayed to a stationary film by means of a smear camera employing the same rotating mirror. The optics of the smear camera is arranged to stop the motion of each image on the film. As a consequence, a series of stationary images which have been scanned by a focal-plane shutter in a known way are formed on the film. Use of the focal-plane shutter offers the possibility of very precise time definition. Focal-plane shutter characteristics have both advantages and disadvantages in comparison with between-the-lens shutters. One advantage is that multiple slits may be employed. If the images from several equally spaced slits are relayed to independent film areas, it is possible to increase the number of frames and the effective framing speed of a camera without increasing rotor speed or sacrificing f number. Other possible uses of multiple-slit recording are described.
- Publication Date
- 1960-11-01
- DOI
10.5594/J15550- ISSN
- Print:
0361-4573 - Link
- https://doi.org/10.5594/J15550
- Author(s)
- Sigmund J. JacobsU.S. Naval Ordnance Laboratory, White Oak, Silver Spring, Md.
- Copyright
- © 1960 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- Isotransport Camera for 100,000 Frames per Second [Active]
- Twenty-Lens High-Speed Camera [Active]
- Half-Million Stationary Images Per Second with Refocused Revolving Beams [Active]
- Motion Picture Photography at Ten Million Frames Per Second [Active]
- A Non-Intermittent High-Speed 16-Mm. Camera [Active]
- 1(a). Miller C. D. “High-speed camera,” Much. Eng. , 68 : 903 , Oct. 1946 ; EXTERNAL
- 7. Jenkins C. Francis , “The Jenkins chronotine camera for high speed motion studies,” Jour. SMPE , 25 : 25 , Sept. 1926 . EXTERNAL
- 9. Suhara , Proc. Imp. Acad. (Tokyo) , 5 : 334 , 1929 . EXTERNAL
- 10. “Zeiss Ikon 16mm Camera,” described in ref. 13, p. 30 . EXTERNAL
- 11. “Dynafax,” Developments at Beckman & Whitley, 1 : No. 3 , Autumn 1958 , Beckman & Whitley, San Carlos, Calif. EXTERNAL
- 12. “Seophony Camera,” Scophony Ltd. , Phot. J. , 86B : 42 , 1946 ; Brit. Prov. Pat. No. 31752/47 (1947); see also ref. 13. EXTERNAL
- 13. Chesterman W. , Photographic studies of rapid events , Clarendon Press , Oxford, England , 1951 . EXTERNAL
- 14(a). O'Brien B. , “Photography of 5 million frames per second,” Elec. Eng. , 67 : 157 , Feb. 1948 ; EXTERNAL
- 15. Jacobs S. J. McLanahan J. D. Donovan P. F. , “A rotating-mirror framing camera with multiple focal-plane shutters,” the succeeding paper in this publication. EXTERNAL
- 1(b). “40,000 frames per second,” PSA Jour. , 14 : 669 – 674 , Nov. 1948 ; and EXTERNAL
- 1(c). “High-speed camera,” US Pat. No. 2,400,885 (issued May 28, 1946 ). EXTERNAL
- 3(b). “High-speed motion-picture camera,” U.S. Patent No. 2,400,887 (issued May 28, 1946 ). EXTERNAL
- 4. Brixner B. , “One million frames per second camera,” J. Opt. Soc. Am. , 45 : No. 10 , 876 – 880 , Oct. 1955 . EXTERNAL
- 5. Anderson J.A. Smith S. , “General characteristics of electrically exploded wires,” Astrophys. J. , 64 : 295 – 314 , Dec. 1926 . EXTERNAL
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Sigmund J. Jacobs; Focal-Plane Shutters and the Design of High-Frame-Rate Cameras, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J15550
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Sigmund J. Jacobs; Focal-Plane Shutters and the Design of High-Frame-Rate Cameras, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J15550
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Sigmund J. Jacobs; Focal-Plane Shutters and the Design of High-Frame-Rate Cameras, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J15550
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<span class="citation">Sigmund J. Jacobs; <cite>Focal-Plane Shutters and the Design of High-Frame-Rate Cameras</cite>, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960. Available at <a href="https://doi.org/10.5594/J15550" target="_blank" rel="noopener">https://doi.org/10.5594/J15550</a></span>
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Sigmund J. Jacobs; Focal-Plane Shutters and the Design of High-Frame-Rate Cameras, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960
doi: 10.5594/J15550
url: https://doi.org/10.5594/J15550
doi: 10.5594/J15550
url: https://doi.org/10.5594/J15550
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<li> Sigmund J. Jacobs; <cite id="bib-10-5594-j15550">Focal-Plane Shutters and the Design of High-Frame-Rate Cameras</cite>, Journal of the SMPTE ( Volume: 69, Issue: 11, November 1960); SMPTE, 1960 <span class="doi">10.5594/J15550</span> </li>