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 pulses produced by radioisotopes [g04f 5/16] > Patents

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Number: 968/830
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 pulses produced by radioisotopes [g04f 5/16]
Description:

Patents under this class:

Patent Number	Title Of Patent	Date Issued
4676661	Radioactive timing source for horologic instruments and the like	Jun. 30, 1987
4275405	Semiconductor timing device with radioactive material at the floating gate electrode of an insulated-gate field-effect transistor	Jun. 23, 1981
4158286	Horologic instruments with random timing source	Jun. 19, 1979