GB368557A - Improvements in apparatus for reproducing sound recorded on films - Google Patents

Improvements in apparatus for reproducing sound recorded on films

Info

Publication number
GB368557A
GB368557A GB10742/31A GB1074231A GB368557A GB 368557 A GB368557 A GB 368557A GB 10742/31 A GB10742/31 A GB 10742/31A GB 1074231 A GB1074231 A GB 1074231A GB 368557 A GB368557 A GB 368557A
Authority
GB
United Kingdom
Prior art keywords
tube
film
prism
extension
lens system
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
Application number
GB10742/31A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB368557A publication Critical patent/GB368557A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Projection Apparatus (AREA)

Abstract

368,557. Periscopes ; kinematograph apparatus. MIHALY, D. VON, 13/B, Hildegardstrasse, Wilmersdorf, Berlin. April 11, 1931, No. 10742. Convention date, May 1, 1930. Addition to 351,002. [Class 97 (i).] In apparatus according to the parent Specification, the beam of light passing through the sound record is projected to the screen and light-sensitive cell by means of a periscope. The periscope comprises a prism 5, a lens system 9 arranged in a tube 8, and a prism or mirror 11 disposed. in an extension 22 of the tube. The extension 22 is rotatable, and the prism 11 may be rocked about an axis 12 by a set-screw 14. The lens system 9 has a focusing adjustment 10. The film is guided over the tube 8 between two rotatable rings 6, 7 mounted on ball or roller bearings. The tube 8 may be mounted on a slotted plate 17 by which it may be secured to the base of a kinematograph projector. The film passing from the intermittent sprocket &c. forms a loop 4<1>, Fig. 2, and passes between rollers 24, 25 and over the tube 8. If the film should break, a lever 31 having a roller 32 supported on the film is drawn downwards by a spring 33 so as to open a mercury switch 35 in the circuit of the sound-recording lamp 1.
GB10742/31A 1930-05-01 1931-04-11 Improvements in apparatus for reproducing sound recorded on films Expired GB368557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE368557X 1930-05-01

Publications (1)

Publication Number Publication Date
GB368557A true GB368557A (en) 1932-03-10

Family

ID=6318090

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10742/31A Expired GB368557A (en) 1930-05-01 1931-04-11 Improvements in apparatus for reproducing sound recorded on films

Country Status (1)

Country Link
GB (1) GB368557A (en)

Similar Documents

Publication Publication Date Title
ES297039A1 (en) An optical system for photographic or cinematographic apparatus (Machine-translation by Google Translate, not legally binding)
GB368557A (en) Improvements in apparatus for reproducing sound recorded on films
US1939726A (en) Reproduction of sound
US2004442A (en) Additive fixed filter color system
US1936145A (en) Sound reproducing system
US1946206A (en) Sound motion picture
GB415177A (en) Improved equipment for the recording of sound on talking picture films
SU23638A1 (en) Device for recording and reproducing sound on cinematic film
GB855388A (en) Improvements in or relating to apparatus for transmitting cinematographic films by television
US1849549A (en) Optical printing apparatus
GB154222A (en) Improvements in or relating to cinematograph projection apparatus
US1655811A (en) Photophonographic apparatus
US2465945A (en) Adjustable optical unit for sound motion-picture apparatus
US1910577A (en) Sound reproduction
GB514673A (en) Cinematograph film projection systems
GB888961A (en) Still picture projector with device for enlargement of sections of the projected image
GB830954A (en) Improvements in and relating to photographic projection printers
GB414730A (en) Improvements in or relating to television
GB607066A (en) Improvements in or relating to cinematographic apparatus
GB297407A (en) Talking motion picture production
GB351002A (en) Improvements in and relating to reproducing apparatus for talking films
GB323008A (en) Improvements in and relating to the reproduction of sound from sound films
GB361555A (en) Illuminating device for use in the reproduction of sounds recorded on films
GB432174A (en) Improvements in kinematographic projectors employing combined sound and picture films
GB343010A (en) Improvements in kinematograph film and in machines for the use of same