GB495088A - An optical method and apparatus for the recording of oscillations, particularly for manufacturing sound-films - Google Patents

An optical method and apparatus for the recording of oscillations, particularly for manufacturing sound-films

Info

Publication number
GB495088A
GB495088A GB2669/37A GB266937A GB495088A GB 495088 A GB495088 A GB 495088A GB 2669/37 A GB2669/37 A GB 2669/37A GB 266937 A GB266937 A GB 266937A GB 495088 A GB495088 A GB 495088A
Authority
GB
United Kingdom
Prior art keywords
shutter
sound
oscillations
films
recording
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
GB2669/37A
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.)
FRANZ GERHARD BACK
Original Assignee
FRANZ GERHARD BACK
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 FRANZ GERHARD BACK filed Critical FRANZ GERHARD BACK
Publication of GB495088A publication Critical patent/GB495088A/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

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

495,088. Optical sound - recording apparatus. BACK, F. G. Jan. 29, 1937, No. 2669. Void. Convention date, Jan. 31, 1936. [Class 40 (ii)] Sound is optically recorded on a film 10 by projecting a light beam from a source 1 and condensing lens 2 on to an inclined mirror 3 which reflects the beam past a modulating shutter 5, vibrating in accordance with the sound, in the direction A-B, on to a cylindrical mirror 4, from which the modulated beam is reflected by way of a further inclined mirror 8 and lens 9 on to the film. The axis x-x of the cylindrical mirror lies in or near the plane of vibration of the shutter 5. The shutter may lie on the axis x-x and be oscillated about a fixed point at one end of the shutter.
GB2669/37A 1936-01-31 1937-01-29 An optical method and apparatus for the recording of oscillations, particularly for manufacturing sound-films Expired GB495088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT495088X 1936-01-31

Publications (1)

Publication Number Publication Date
GB495088A true GB495088A (en) 1938-11-04

Family

ID=3675212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2669/37A Expired GB495088A (en) 1936-01-31 1937-01-29 An optical method and apparatus for the recording of oscillations, particularly for manufacturing sound-films

Country Status (1)

Country Link
GB (1) GB495088A (en)

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