IPC Subgroup
G01R 23/15 Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements
Introduced: January 1980
Last revised: January 2006
Full Title
Arrangements for measuring frequencies; Arrangements for analysing frequency spectra > Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage > Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
Related Keywords
SORTING of electric pulses