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G05F 1/00
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Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems |
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G05F 1/02
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Regulating electric characteristics of arcs |
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G05F 1/04
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Regulating electric characteristics of arcs by means of saturable magnetic devices |
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G05F 1/06
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Regulating electric characteristics of arcs by means of discharge tubes |
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G05F 1/08
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Regulating electric characteristics of arcs by means of semiconductor devices |
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G05F 1/10
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Regulating voltage or current |
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G05F 1/12
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC |
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G05F 1/13
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using ferroresonant transformers as final control devices |
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G05F 1/14
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices |
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G05F 1/16
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices |
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G05F 1/20
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only |
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G05F 1/22
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices combined with separate magnetic control devices having a controllable degree of saturation |
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G05F 1/24
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using bucking or boosting transformers as final control devices |
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G05F 1/26
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices |
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G05F 1/30
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only |
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G05F 1/32
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices |
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G05F 1/33
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices with plural windings through which current to be controlled is conducted |
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G05F 1/34
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices |
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G05F 1/38
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only |
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G05F 1/40
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices |
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G05F 1/42
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices discharge tubes only |
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G05F 1/44
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only |
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G05F 1/45
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load |
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G05F 1/46
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC |
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G05F 1/52
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using discharge tubes in series with the load as final control devices |
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G05F 1/54
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using discharge tubes in series with the load as final control devices additionally controlled by the unregulated supply |
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G05F 1/56
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices |
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G05F 1/59
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices including plural semiconductor devices as final control devices for a single load |
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G05F 1/61
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using discharge tubes in parallel with the load as final control devices including two stages of regulation, at least one of which is output level responsive |
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G05F 1/62
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using bucking or boosting DC sources |
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G05F 1/63
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series with the load as final control devices |
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G05F 1/66
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Regulating electric power |
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G05F 1/67
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Regulating electric power to the maximum power available from a generator, e.g. from solar cell |
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G05F 1/70
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Regulating power factorRegulating reactive current or power |
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G05F 1/147
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices with motor driven tap switch |
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G05F 1/153
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices with motor driven tap switch controlled by discharge tubes or semiconductor devices |
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G05F 1/247
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using bucking or boosting transformers as final control devices with motor in control circuit |
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G05F 1/253
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using bucking or boosting transformers as final control devices the transformers including plural windings in series between source and load |
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G05F 1/325
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices with specific core structure, e.g. gap, aperture, slot, permanent magnet |
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G05F 1/335
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices with plural windings through which current to be controlled is conducted on different cores |
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G05F 1/445
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load |
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G05F 1/455
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Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control |
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G05F 1/563
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices including two stages of regulation, at least one of which is output level responsive, e.g. coarse and fine regulation |
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G05F 1/565
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor |
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G05F 1/567
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation |
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G05F 1/569
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection |
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G05F 1/571
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overvoltage detector |
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G05F 1/573
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector |
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G05F 1/575
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices characterised by the feedback circuit |
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G05F 1/577
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices for plural loads |
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G05F 1/585
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices for plural loads providing voltages of opposite polarities |
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G05F 1/595
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices including plural semiconductor devices as final control devices for a single load semiconductor devices connected in series |
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G05F 1/607
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using discharge tubes in parallel with the load as final control devices |
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G05F 1/613
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in parallel with the load as final control devices |
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G05F 1/614
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in parallel with the load as final control devices including two stages of regulation, at least one of which is output level responsive |
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G05F 1/618
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Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series and in parallel with the load as final control devices |
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G05F 1/625
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC |
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G05F 1/635
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series with the load as final control devices being Hall effect devices, magnetoresistors or thermistors |
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G05F 1/644
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series with the load as final control devices being pressure-sensitive resistors |
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G05F 1/648
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series with the load as final control devices being plural resistors among which a selection is made |
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G05F 1/652
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in parallel with the load as final control devices |
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G05F 1/656
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Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series and in parallel with the load as final control devices |
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G05F 3/00
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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 |
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G05F 3/02
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Regulating voltage or current |
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G05F 3/04
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Regulating voltage or current wherein the variable is AC |
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G05F 3/06
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Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e g. combined with resonant circuit |
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G05F 3/08
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Regulating voltage or current wherein the variable is DC |
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G05F 3/10
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics |
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G05F 3/12
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being glow discharge tubes |
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G05F 3/16
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices |
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G05F 3/18
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes |
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G05F 3/20
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode-transistor combinations |
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G05F 3/22
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode-transistor combinations wherein the transistors are of the bipolar type only |
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G05F 3/24
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Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode-transistor combinations wherein the transistors are of the field-effect type only |
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G05F 3/26
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Current mirrors |
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G05F 3/28
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Current mirrors combined with a non-linear current amplifier |
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G05F 3/30
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Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities |
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G05F 5/00
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Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output |
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G05F 5/02
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Phase controlled switching using electronic tubes or three or more terminal semiconductive devices |
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G05F 5/04
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Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output using a transformer or inductor as the final control device |
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G05F 5/06
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Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output using a transformer or inductor as the final control device saturable |
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G05F 5/08
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Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output using a linearly acting final control device |
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G05F 7/00
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Regulating magnetic variables |
