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] > Patents

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Class Information
Number: 968/817
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]
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
968/818	Metronomes (periodic signalization by acoustic signals in general subclass 218) [g04f 5/02]	11
968/829	Using atomic clocks [g04f 5/14]	13
968/827	Using electric or electronic resonators (subclass 829 takes precedence) [g04f 5/10]	5
968/828	Using fluidic devices [g04f 5/12]	0
968/822	Using oscillators with electromechanical resonators (producing electric oscillations or timing pulses [g04f 5/04]	2
968/830	Using pulses produced by radioisotopes [g04f 5/16]	3

Patents under this class:

Patent Number	Title Of Patent	Date Issued
5999921	Electronic postage meter system having plural clock system providing enhanced security	Dec. 7, 1999
4678345	Equivalent time pseudorandom sampling system	Jul. 7, 1987
4441196	Speed independent system for obtaining preselected numbers of samples from object moving along fixed path	Apr. 3, 1984
4297656	Plural frequency oscillator employing multiple fiber-optic delay line	Oct. 27, 1981
4048478	Marking apparatus with electronic counters	Sep. 13, 1977
4045692	Solid state binary logic signal source for electronic timepiece or the like	Aug. 30, 1977