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Class Information
Number: 318/579
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > Program- or pattern-controlled systems > Multiple axes analog systems > Multiple pass systems
Description: Subject matter in which the system controlled makes a plurality of passes of ever increasing precision.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6788019 |
Electric discharge machining device and electric discharge machining method |
Sep. 7, 2004 |
| 6097168 |
Position control apparatus and method of the same, numerical control program preparation apparatus and method of the same, and methods of controlling numerical control machine tool |
Aug. 1, 2000 |
| 5343402 |
Non-contact digitizing control unit |
Aug. 30, 1994 |
| 5327351 |
Non-contact digitizing method |
Jul. 5, 1994 |
| 5274563 |
Noncontact tracing control system |
Dec. 28, 1993 |
| 5243265 |
Non-contact tracing control apparatus |
Sep. 7, 1993 |
| 5241485 |
Noncontact tracing control system |
Aug. 31, 1993 |
| 5140239 |
Non-contact tracer control device |
Aug. 18, 1992 |
| 5136224 |
Digitizing method |
Aug. 4, 1992 |
| 5126646 |
NC program drawing method |
Jun. 30, 1992 |
| 5095440 |
Numerical control apparatus |
Mar. 10, 1992 |
| 4999555 |
Digitizing method |
Mar. 12, 1991 |
| 4739489 |
Area cutting method |
Apr. 19, 1988 |
| 4672551 |
Die machining apparatus in automatic programming |
Jun. 9, 1987 |
| 4580225 |
Method for producing multiple entry threads |
Apr. 1, 1986 |
| 4535408 |
Numerical control machining method and apparatus |
Aug. 13, 1985 |
| 4355362 |
Tracer control system |
Oct. 19, 1982 |
| 4122379 |
Analogue control device for abutment-free stroke limitation of machine tools |
Oct. 24, 1978 |
| 4117385 |
Tracer control circuit |
Sep. 26, 1978 |
| 3983374 |
Digital system for slope and curvature control |
Sep. 28, 1976 |
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