Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Full Title

Selecting arrangements > Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

SELECTING

Child Classifications

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• H04Q 3/44 using revertive control
• H04Q 3/46 using signals other than revertive impulses
• H04Q 3/47 using translators
• H04Q 3/48 using markers
• H04Q 3/52 using static devices in switching stages, e.g. electronic switching arrangements
• H04Q 3/54 in which the logic circuitry controlling the exchange is centralised
• H04Q 3/56 in which the control signals are multiplexed