DIFF Subgroup
F41J 5/04 Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
Introduced: September 1968
Full Title
Target indicating systems; Target-hit or score detecting systems > Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
Of 5 combined children, 3 exist in both systems.
2 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- F41J 5/044 Targets having two or more electrically-conductive layers for short- circuiting by penetrating projectiles since 1990 IPC+CPC Available in IPC and CPC
- F41J 5/052 Targets comprising a plurality of electric contacts, each corresponding to a discrete target section and being actuated by the movement thereof (F41J5/056 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
- F41J 5/056 Switch actuation by hit-generated mechanical vibration of the target body, e.g. using shock or vibration transducers since 1990 IPC+CPC Available in IPC and CPC