GB285965A - Improvements in sound records applicable for use with picture films - Google Patents

Improvements in sound records applicable for use with picture films

Info

Publication number
GB285965A
GB285965A GB2955826A GB2955826A GB285965A GB 285965 A GB285965 A GB 285965A GB 2955826 A GB2955826 A GB 2955826A GB 2955826 A GB2955826 A GB 2955826A GB 285965 A GB285965 A GB 285965A
Authority
GB
United Kingdom
Prior art keywords
sound
record
strip
smith
wax
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
GB2955826A
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.)
SAMUEL HENRY WOOD
Original Assignee
SAMUEL HENRY WOOD
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 SAMUEL HENRY WOOD filed Critical SAMUEL HENRY WOOD
Priority to GB2955826A priority Critical patent/GB285965A/en
Publication of GB285965A publication Critical patent/GB285965A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)

Abstract

285,965. Smith, W. T., Smith, W. A., and Wood, S. H. Nov. 23, 1926. Tape records; sound-reproducing apparatus associated with kinematograhs.-A sound-record of tape form, suitable for synchonous working with a kinematograph film, is made from. a strip of celluloid or thb like, perforated marginally so that it may be driven '.by sprocket-wheels, one groove or a number of parallel soundgrooves being impressed on the face of the strip by means of a matrix obtained from an original mechanically engraved record. In recording, the sound-grooves aM first made in wax in the usual way, separate parallel grooves being made simultaneously when required, as for example when it is desired to record separately various orchestral instruments, or a voice and an instrument. Copper is then deposited on the wax to form a matrix, and from this the positive record, such as shown in the Figure, is finally made by impressing a perforated celluloid &.c. strip. When recording simultaneously with the taking of a picture film, corresponding parts of the picture and sound records are indicated by similar letters, numbers, or like markings. The sound reproducing machine and the kinematograph are preferably geared together mechanically, or are driven by electric synchronous motors.
GB2955826A 1926-11-23 1926-11-23 Improvements in sound records applicable for use with picture films Expired GB285965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2955826A GB285965A (en) 1926-11-23 1926-11-23 Improvements in sound records applicable for use with picture films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2955826A GB285965A (en) 1926-11-23 1926-11-23 Improvements in sound records applicable for use with picture films

Publications (1)

Publication Number Publication Date
GB285965A true GB285965A (en) 1928-02-23

Family

ID=10293443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2955826A Expired GB285965A (en) 1926-11-23 1926-11-23 Improvements in sound records applicable for use with picture films

Country Status (1)

Country Link
GB (1) GB285965A (en)

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