US PATENT SUBCLASS 359 / 362
COMPOUND LENS SYSTEM

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

362COMPOUND LENS SYSTEM {8}
363  DF  .~> With image recorder
364  DF  .~> With curved reflective imaging element {1}
367  DF  .~> Right angle inspector
368  DF  .~> Microscope {10}
399  DF  .~> Telescope {12}
432  DF  .~> Variable magnification
433  DF  .~> With tilted lens or tilted image plane
434  DF  .~> With relay {1}

DEFINITION

Classification: 359/362

COMPOUND LENS SYSTEM:

(under the class definition) Subject matter including a plurality of image formers arranged for forming a series of real images along the optical axis, at least one of the real images being formed between two of the image formers.

(1) Note. The terminal image former may be an "eyepiece" designed to form a real image only in combination with the human eye.

SEE OR SEARCH THIS CLASS, SUBCLASS:

642+, for lenses suitable for use in compound lens systems of this subclass type.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

245+, for compound lens systems combined with firearms. 356, Optics: Measuring and Testing,

245+, for optical test instruments containing compound lens systems.