Apparatus for measuring unknown time intervals by means not provided for in subclass 817 to subclass 844 [g04f 13/00] > Using optical means [g04f 13/02] > Using cathode-ray oscilloscopes (circuits for inserting reference time markers for cathode-ray oscilloscopes g01r 13/30b) [g04f 13/02b] > Patents

Browse by:

Browse by Category: Main > Information Technology

Class Information
Number: 968/853
Name: Horology > Apparatus for measuring unknown time intervals by means not provided for in subclass 817 to subclass 844 [g04f 13/00] > Using optical means [g04f 13/02] > Using cathode-ray oscilloscopes (circuits for inserting reference time markers for cathode-ray oscilloscopes g01r 13/30b) [g04f 13/02b]
Description:

Patents under this class:

Patent Number	Title Of Patent	Date Issued
4916677	Automatic period and frequency measurements	Apr. 10, 1990
4704036	Pulse measurement circuit	Nov. 3, 1987
3999128	Time interval measurement method and apparatus	Dec. 21, 1976
3975684	Sweep generator apparatus and method	Aug. 17, 1976