Apparatus for producing preselected time intervals for use as timing standards (generating clock signals for electric digital computers G06F1/04)

Child Classifications

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• G04F 5/02 Metronomes
• G04F 5/04 using oscillators with electromechanical resonators
• G04F 5/10 using electric or electronic resonators (G04F5/14 takes precedence)
• G04F 5/12 using fluidic devices
• G04F 5/14 using atomic clocks
• G04F 5/16 using pulses produced by radio-isotopes