Title:
【発明の名称】光パターン・トレーサ
Document Type and Number:
Japanese Patent JP2739941
Kind Code:
B2
Abstract:
In an optical pattern tracer which uses sample and hold circuits for signal processing filtering of the signal to reduce undershoot can be attained by manipulation of the sample and hold processing circuits. The present application varies the holding capacitor to produce a varied low pass filter effect.
Inventors:
En vari
Application Number:
JP24818687A
Publication Date:
April 15, 1998
Filing Date:
October 02, 1987
Export Citation:
Assignee:
Westinghouse Canada Inc.
International Classes:
B23Q35/128; G06T1/00; G06V30/144; G06K11/00; (IPC1-7): G06K9/30; B23Q35/128
Domestic Patent References:
| JP60217048A |
Attorney, Agent or Firm:
Mitsuteru Soga (3 outside)