Digital frequency meter
First Claim
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1. APPARATUS FOR MEASURING THE FREQUENCY OF CYLICNAL SIGNALS COMPRISING A SOURCE OF CHECK SIGNALS HAVING A FREQUENCY MUCH GREATER THAN THE FREQUENCY OF THE CYLICAL SIGNALS, MEANS TO RECORD THE NUMBER OF CYCLES OF SAID CHECK SIGNALS AND THE NUMBER OF CYCLES OF SAID CYLICAL SIGNALS FOR A PRE-ESTABLISHED PERIDO PLUS THE TIME REQUIRED FOR THE COMPLETION OF THE CYCLE OF SAID CYCLICAL SIGNALS, MEANS TO ADJUST THE RECORDED VALUES OF SAID CHECK SIGNAL CYCLES AND SAID CYCLICAL SIGNAL CYCLES AT RATES PROPORTIONAL TO SAID VALUES, AND MEANS TO READ OUT THE ADJUSTED VALUE OF THE CYCLICAL SIGNAL CYCLES WHEN THE ADJUSTED RECORDED VALUE OF SAID CHECK SIGNAL CYCLES REACHES A PRE-ESTABLISHED TERMINAL VALUE.
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1 Claim
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1. APPARATUS FOR MEASURING THE FREQUENCY OF CYLICNAL SIGNALS COMPRISING A SOURCE OF CHECK SIGNALS HAVING A FREQUENCY MUCH GREATER THAN THE FREQUENCY OF THE CYLICAL SIGNALS, MEANS TO RECORD THE NUMBER OF CYCLES OF SAID CHECK SIGNALS AND THE NUMBER OF CYCLES OF SAID CYLICAL SIGNALS FOR A PRE-ESTABLISHED PERIDO PLUS THE TIME REQUIRED FOR THE COMPLETION OF THE CYCLE OF SAID CYCLICAL SIGNALS, MEANS TO ADJUST THE RECORDED VALUES OF SAID CHECK SIGNAL CYCLES AND SAID CYCLICAL SIGNAL CYCLES AT RATES PROPORTIONAL TO SAID VALUES, AND MEANS TO READ OUT THE ADJUSTED VALUE OF THE CYCLICAL SIGNAL CYCLES WHEN THE ADJUSTED RECORDED VALUE OF SAID CHECK SIGNAL CYCLES REACHES A PRE-ESTABLISHED TERMINAL VALUE.
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