Selecting arrangements

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

SELECTING

Child Classifications

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• H04Q 3/02 Circuit arrangements for selectors responsive to a permutation code
• H04Q 3/04 Circuit arrangements for receivers of routing digits
• H04Q 3/18 Circuit arrangements for first stage of hunting switching
• H04Q 3/32 Circuit arrangements for second or subsequent stages of hunting switching
• H04Q 3/42 Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
• H04Q 3/58 Arrangements providing connection between main exchange and sub-exchange or satellite
• H04Q 3/64 Distributing or queuing
• H04Q 3/7 Identification of class of calling subscriber
• H04Q 3/72 Finding out and indicating number of calling subscriber
• H04Q 3/76 Translation from the called subscriber's number to the outgoing or incoming control information
• H04Q 3/78 Temporary storage of information of calling or called subscriber