TREA

Associated working of cameras or projectors with sound recording or reproducing means

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Industry

  • CPC
  • G03B31/00
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS 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

Current Industry

G03B31/00Associated working of cameras or projectors with sound recording or reproducing means

Sub Industries

G03B31/02in which sound track is on a moving-picture film G03B31/04in which sound track is not on, but is synchronised with, a moving-picture film G03B31/06in which sound track is associated with successively-shown still pictures G03B31/08with fade-in and fade-out effects
Industries