US PATENT SUBCLASS 348 / 342
.~.~ With frequency selective filter (e.g., IR cut, optical LPF, etc.)

Current as of: June, 1999
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348 /   HD   TELEVISION

207  DF  CAMERA, SYSTEM AND DETAIL {19}
335  DF  .~ Optics {12}
342.~.~ With frequency selective filter (e.g., IR cut, optical LPF, etc.)

DEFINITION

Classification: 348/342

With frequency selective filter (e.g., IR cut, optical LPF, etc.):

(under subclass 335) Subject matter including an optical device for selectively absorbing or transmitting a specific frequency band of the spectral response of the camera.