Patent Document ID: 3944796
Application ID: 05547815
Patent Flag: 1

Claim One:
1. In a system for storing information pertaining to events as they are observed, the system comprising a plurality of manually actuatable keys or pushbuttons representative of certain events to be observed, first means providing a sequence of reference pulses having a given repetition rate, second means providing intermediate pulses between at least some of said reference pulses, means controlled by at least one of said keys or pushbuttons for establishing the position of at least some of said intermediate pulses with respect to said reference pulses in accordance with the actuation of a selected key or pushbutton, or selected keys or pushbuttons, in order to denote one or more of said certain events, and means for recording said signals derived from both said reference and intermediate pulses on a recording medium in the same time sequence provided by said first and second means.