Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
JIG FOR AGING
Document Type and Number:
Japanese Patent JPH0650854
Kind Code:
A
Abstract:

PURPOSE: To stabilize the direction control of an aging operation and to prevent damages of a limit switch means and an object to be controlled.

CONSTITUTION: In an aging jig having drive means 11 to 15 to objects MD to be controlled, pairs of limit switches 21A, 21B,... 25A, 25B abutting on and switching on/off objects to be controlled, and a control means 10, on-time detection means for detecting the duration of an on-state of each limit switch are provided, and when one of a pair of limit switches is switched on, the inversion control of the operation direction of the object is carried out. When a time not less than a first fixed time is detected by the on-time detection means, the inversion control of the operation direction of the object is carried out, and further when the on-time not less than a second fixed time longer than the first one is detected, control is carried out so that the operation of the object is stopped.


Inventors:
MAEDA YUTAKA
Application Number:
JP1992000223570
Publication Date:
February 25, 1994
Filing Date:
July 31, 1992
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
International Classes:
G01M99/00; G01R31/34; G11B21/08; (IPC1-7): G01M19/00; G01R31/34; G11B21/08
Attorney, Agent or Firm:
脇 篤夫