Title:
【発明の名称】円形走査式光パターン・トレーサ
Document Type and Number:
Japanese Patent JPH0719273
Kind Code:
B2
Abstract:
In a circular scanning pattern tracing system having a sample and hold circuit, the width of the sample pulse is - made adjustable. This variable width is equivalent to a variable low pass filter in the system. The effective cut off frequency of the filter is made dependent on the system tangential tracing velocity.
Inventors:
En Bali
Application Number:
JP5578885A
Publication Date:
March 06, 1995
Filing Date:
March 22, 1985
Export Citation:
Assignee:
Westinghouse Canada Inc.
International Classes:
B23Q35/128; G06K11/04; G06V30/144; (IPC1-7): G06K9/30; B23Q35/128
Domestic Patent References:
| JP5533106B2 |
Other References:
【文献】米国特許3015730(US,A)
【文献】米国特許3289004(US,A)
【文献】米国特許3883735(US,A)
【文献】米国特許3289004(US,A)
【文献】米国特許3883735(US,A)
Attorney, Agent or Firm:
Mitsuteru Soga (3 outside)
Next Patent: DAMPER DEVICE