CPC Definition - G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES (regulating the timi...

CPC Definition - Subclass G05F

Last Updated Version: 2020.02

SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES (regulating the timing or recurrence frequency of pulses in radar or radio navigation systems G01S; regulation of current or voltage, specially adapted for use in electronic time-pieces G04G 19/02; closed-loop systems for regulating non-electric variables by electric means G05D; regulating power supply of digital computers G06F 1/26; for obtaining desired operating characteristics of electromagnets with armatures H01F 7/18; regulating electric power distribution networks H02J; regulating the charging of batteries H02J 7/00; regulation of the output of static converters, e.g. switching regulators H02M; regulation of the output of electric generators H02N, H02P 9/00; controlling transformers, reactors or choke coils H02P 13/00; regulating frequency response, gain, maximum output, amplitude or bandwidth of amplifiers H03G; regulating tuning of resonant circuits H03J; regulating characteristics of transmission lines H04B; controlling electric light sources H05B 39/04, H05B 41/36, H05B 45/10, H05B 45/20, H05B 47/10; electric control of X-ray apparatus H05G 1/30)

Definition statement

This place covers:

Systems only;

Use of hydraulics, pneumatic, mechanical and electrical motors for varying electric characteristics of devices which restore the quantity regulated;

The combination of static converters and current or voltage regulators, if the invention resides in the combination.

References

Limiting references

This place does not cover:

Regulating the timing or recurrence frequency of pulses in radar or radio navigation systems	G01S
Closed-loop systems for regulating non-electric variables by electric means	G05D
Regulating power supply of digital computers	G06F 1/26
Regulating electric power distribution networks	H02J
Regulating the charging of batteries	H02J 7/00
Regulation of the output of static converters, e.g. switching regulators	H02M
Regulation of the output of electric generators	H02N, H02P 9/00, H03L
Controlling transformers, reactors or choke coils	H02P 13/00
Regulating frequency response, gain, maximum output, amplitude or bandwidth of amplifiers	H03G
Regulating tuning of resonant circuits	H03J
Regulating characteristics of transmission lines	H04B
Electric control of X-ray apparatus	H05G 1/30

G05F 1/02

Regulating electric characteristics of arcs (arrangements for feeding electrodes B23K 9/12, H05B 7/109, H05B 31/18; automatic control of power for heating by discharge H05B 7/148)

References

Limiting references

This place does not cover:

Arrangements for feeding electrodes	B23K 9/12, H05B 7/109, H05B 31/18
Automatic control of power for heating by discharge	H05B 7/148

G05F 1/10

Regulating voltage or current (G05F 1/02 takes precedence; for electric railways B60M 3/02)

References

Limiting references

This place does not cover:

Regulating voltage or current for electric railways

B60M 3/02

G05F 1/46

wherein the variable actually regulated by the final control device is dc (G05F 1/625 takes precedence)

References

Limiting references

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Voltage to current converters for amplifiers

H03F

G05F 3/00

Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties {(current generators specially designed for use in phase-locked loops H03L 7/0891)}

References

Limiting references

This place does not cover:

Current generators specially designed for use in phase-locked loops

H03L 7/0891

G05F 3/08

wherein the variable is dc

References

Limiting references

This place does not cover: