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PCE
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DIFF Subgroup
H01J 47/10

Spark counters (H01J47/14 takes precedence; spark gaps H01T)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Spark counters

CPC: Spark counters (H01J47/14 takes precedence; spark gaps H01T)

Full Title

Full titles differ between systems:

IPC:

Tubes for determining the presence, intensity, density or energy of radiation or particles > Spark counters

CPC:

Tubes for determining the presence, intensity, density or energy of radiation or particles ( ; photoelectric discharge tubes not involving the ionisation of a gas H01J40/00 ) > Spark counters (H01J47/14 takes precedence; spark gaps H01T)

No child classifications to compare. This is a leaf node in both IPC and CPC.