IPC Subgroup
H01C 8/02 Coherers or like imperfect resistors for detecting electromagnetic waves
Introduced: July 1974
Last revised: January 2006
Full Title
Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material > Coherers or like imperfect resistors for detecting electromagnetic waves
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- RESISTORS
Related Keywords
COHERERS