Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1977-10-13
1980-05-20
Dobeck, Benjamin
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318591, 318603, 318490, 340679, G05B 1942
Patent
active
042041449
ABSTRACT:
A positioning control system for a manually operated machine tool. When programmed by an operator, the system provides a visual indication of the necessary incremental movement of a movable member, as a machine tool bed, to a series of desired preselected positions. The system displays a zero indication when the operator reaches the desired position. The incremental movement to the next position is then displayed, permitting the operator to move the movable member to that position under the guidance of the display which again goes to zero when the position is reached. The system permits the operator to enter the location of each desired preselected position, and entry of each position may be made with respect to a common reference coordinate. Each position is stored in a memory for repeated use in guiding the operator in positioning the movable member. The system also includes a display for identifying each step in which the control is functioning and means for inverting each coordinate of each position to place the selected position in any one of the four quadrants. The system may be mounted in a cabinet to protect it from a hostile environment.
REFERENCES:
patent: 2922081 (1960-01-01), Dubin
patent: 3072833 (1963-01-01), Kerr et al.
patent: 3783253 (1974-01-01), Anderson et al.
patent: 3828318 (1974-08-01), Bennett et al.
patent: 4010356 (1977-03-01), Evans
patent: 4042866 (1977-08-01), Morita et al.
patent: 4090240 (1978-05-01), Blanchard
Dobeck Benjamin
Midgitronics Inc.
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