Document Type and Number:
Japanese Patent JPH0516571
Kind Code:
B2
Abstract:
The present invention applies to a circular scanning optical pattern tracer of the non-steering type. The scanner includes the normal circular scanning mirror and sensor and in addition a further circular scanning mirror and sensor to produce a scan of greater diameter than the normal scan. The signal from the second scan is used to indicate rapid changes of direction of the pattern by gating the produced signal through a gate produced from the normal scan.
Inventors:
ROBAATO II PAAKAA
RONARUDO JEI RUUKAA
RONARUDO JEI RUUKAA
Application Number:
JP17528384A
Publication Date:
March 04, 1993
Filing Date:
August 24, 1984
Export Citation:
Assignee:
WESTINGHOUSE CANADA INC
International Classes:
G02B26/10; G02B27/00; G06K11/02; G06T1/00
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