Descriptions for G05D and notes/indexes are displayed on this screen.
| G05D
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SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Note(s)
This subclass does not cover features of general applicability to regulating systems, e.g. anti-hunting arrangements, which are covered by subclass G05B.[7,8]In this subclass, the following term is used with the meaning indicated:"systems" includes self-contained devices such as speed governors, pressure regulators. Control systems specially adapted for particular apparatus, machines or processes are classified in the subclasses for the apparatus, machines or processes, provided that there is specific provision for control or regulation relevant to the special adaptation, either at a detailed level, e.g. A21B 1/40: "for regulating temperature in bakers' ovens", or at a general level, e.g. B23K 9/095: "for automatic control of welding parameters in arc welding". Otherwise, classification is made in the most appropriate place in this subclass.
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Subclass indexes
CONTROL OF: SPEED OR ACCELERATION; FORCE; PRESSURE; POWER; MECHANICAL OSCILLATIONS | 13/00; 15/00; 16/00; 17/00; 19/00 | CONTROL OF: FLOW; LEVEL; RATIO | 7/00; 9/00; 11/00 | CONTROL OF: TEMPERATURE; HUMIDITY; VISCOSITY; CHEMICAL OR PHYSICO-CHEMICAL VARIABLES; LIGHT INTENSITY | 23/00; 22/00; 24/00; 21/00; 25/00 | CONTROL OF: POSITION, DIRECTION, DIMENSIONS | 1/00-5/00 | SIMULTANEOUS CONTROL OF TWO OR MORE VARIABLES | 27/00, 29/00 | SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00 |
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