G - Physics – 02 – F
Patent
G - Physics
02
F
354/25
G02F 1/11 (2006.01) G01J 1/42 (2006.01) G02B 26/02 (2006.01) G02B 27/09 (2006.01)
Patent
CA 1220278
ABSTRACT A method and apparatus for acoustic supervision of adjustment of a light bundle composed of component beams with respect to its intensity distribution in an expanse of a reference plane situated in a beam path at right angles to an optical axis of the light bundle. Intensity values I of the component beams lying at a margin of the light wave are measured and the differential intensity values .DELTA.I are identified according to amount and operational sign. An oscillation is generated whose parameters are modified dependent on the amounts and operational signs of the respective differential intensity values. The modified oscillation is made audible as a distinguishable measuring tone for amounts and operational signs of the differential intensity values .DELTA.I.
484158
Schulz-Hennig Joerg
Sievers Horst
Hell (dr. -Ing. Rudolf) Gmbh
Smart & Biggar
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