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Class Information
Number: 968/822
Name: Horology > Apparatus for producing preselected time intervals for use as timing standards (generating clock signals for electric digital computers g06f 1/04; regulating frequency in general h03c, l) [g04f 5/00] > Using oscillators with electromechanical resonators (producing electric oscillations or timing pulses [g04f 5/04]
Description:


Sub-classes under this class:

Class Number Class Name Patents
968/826 Using magnetostrictive resonators [g04f 5/08] 0
968/823 Using piezoelectric resonators [g04f 5/06] 74


Patents under this class:

Patent Number Title Of Patent Date Issued
4009565 Time measuring device having a periodic signal generator Mar. 1, 1977
4006584 Electronic timepiece Feb. 8, 1977



 
 
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