CPC Subgroup
H04Q 3/55 using wired logic circuitry
Full Title
Selecting arrangements (H04Q5/00 - H04Q11/00 take precedence) > Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker > in which the logic circuitry controlling the exchange is centralised > using wired logic circuitry
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04Q 3/555 being comprised by electro-magnetic devices