Ratio computer

Claim 1

A RATIO COMPUTER FOR DETERMINING THE PULSE FREQUENCY RATIO OF FIRST AND SECOND TRAINS OF PULSES, COMPRISING: ELECTRONIC SWITCH MEANS TWO MUTUALLY EXCLUSIVE STABLE STATES, TWO OUTPUTS FOR RESPECTIVELY SIGNALLING THE CONDITION OF SAID STATES AND TWO INPUTS FOR RESPECTIVELY RECEIVING SAID PULSE TRAINS TO EFFECT SAID STATES BY PULSES RESPECTIVELY FROM SAID TWO TRAINS, CONSTANT AMPLITUDE SOURCE MEANS FOR EFFECTING A FIRST SOURCE SIGNAL OF ONE POLARITY AT ONE END OF THE SOURCE MEANS AND A SECOND SOURCE SIGNAL OF OPPOSITE POLARITY AT ITS OPPOSITE END, SAID SOURCE MEANS HAVING A CENTRAL COMMON REFERENCE POINT FOR SAID FIRST AND SECOND SOURCE SIGNALS, FIRST GATE MEANS HAVING AN OUTPUT AND HAVING TWO INPUTS RESPECTIVELY COUPLED TO SAID ONE END OF SAID SOURCE MEANS AND TO ONE OF SAID TWO SWITCH MEANS OUTPUTS FOR GATING SAID FIRST SOURCE SIGNAL TO SAID GATE MEANS OUTPUT ONLY WHEN SAID SWITCH MEANS IS IN ONE OF SAID TWO STATES, SECOND GATE MEANS HAVING AN OUTPUT AND HAVING TWO INPUTS RESPECTIVELY COUPLED TO SAID OPPOSITE END OF SAID SOURCE MEANS AND TO THE OTHER OF SAID TWO SWITCH MEANS OUTPUTS FOR GATING SAID SECOND SOURCE SIGNAL TO SAID SECOND GATE MEANS OUTPUT ONLY WHEN SAID SWITCH MEANS IS IN THE OTHER OF SAID TWO STATES, AND SIGNAL AVERAGING AND INDICATING MEANS HAVING TWO INPUTS, ONE OF WHICH IS COUPLED TO SAID COMMON REFERENCE POINT AND THE OTHER OF WHICH IS COUPLED TO BOTH OF SAID GATE MEANS OUTPUTS, FOR INDICATING THE AVERAGE OF THE SAID GATED FIRST AND SECOND SOURCE SIGNALS AND THEREBY THE PULSE FREQUENCY RATIO OF SAID PULSE TRAINS.