Preset counter apparatus

Abstract

Abstract The specification discloses a preset counter apparatus comprising a comparator circuit for producing a first control signal when a value to be compared is smaller than a reference value and producing a second control signal when said value to be compared is equal to or greater than said reference signal, a control means actuated by said second control signal from said comparator circuit to control operation of a utilization machine, a preset means to preset a preselected number of said machine operations and supply said preset information to said comparator circuit as said reference value, means operatively interlocked with said machine operations to generate signals representative of said operations, a counter circuit to count said operation representing signals and apply the count information thereof to said comparator circuit as said value to be compared with said reference value, and a start signal means to supply a machine operation start signal to said counter circuit. The counter circuit is so arranged as to usually hold therein said preset information from said preset means and, upon application of a signal from said start signal means, to clear said preset information and begin to count the number of signal from said operation representing signal means starting from zero state. Further, the counter circuit, upon beginning said count, being maintained in the state in which said preset information is cleared by means of said first control signal from said comparator circuit and, upon receiving said second control signal from said comparator circuit, being restored to said usual state, and at the same time resetting said start signal means to the original state before the operation was initiated.

Inventors

• 👤 Hiromitsu Kamiyama

Bibliographic Details