for modifying the operation of the relay

Full Title

Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current > for modifying the operation of the relay

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

Child Classifications

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• H01H 47/04 for holding armature in attracted position, e.g. when initial energising circuit is interrupted or with reduced energising current
• H01H 47/12 for biasing the electromagnet
• H01H 47/14 for differential operation of the relay
• H01H 47/16 for conjoint, e.g. additive, operation of the relay
• H01H 47/18 for introducing delay in the operation of the relay
• H01H 47/2 for producing frequency-selective operation of the relay