Industrial robot system
Patent 4366423 Issued on December 28, 1982. Estimated Expiration Date: 
June 1, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 1, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3265946 3802622 Method and apparatus for automatically realigning a machine element to a predetermined position after power interruption System for controlling numerically controlled machine tool used for cutting threads Trajectory correlation and error detection method and apparatus Patent #: 4150326 InventorsAssigneeApplicationNo. 06/268806 filed on 06/01/1981US Classes:318/563, With protective or reliability increasing features (e.g., "fail-safe" systems)318/532, By means of space-discharge device in field circuit318/565, Monitoring systems318/570, Contouring systems318/632, With compensating features901/17, Cylindrical901/49, PROTECTIVE DEVICE901/6, Communication with another machine901/9Closed loop (sensor feedback controls arm movement)ExaminersPrimary: Smith, David Jr.Assistant: Indyk, Eugene S. Attorney, Agent or FirmInternational ClassG05B 19/418 (20060101)Foreign Application Priority Data1978-01-31 JPAbstractIn order to attain a more suitable control of a robot unit which serves a machine tool in accordance with various conditions of the operations of the machine tool and the robot unit, the number of the kinds of signals produced in the machine tool is increased and a predetermined control of the robot unit is attained in response to each of the increased kinds of signals.Other References
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