Digital scale changing

Claim 2

Apparatus for generating a selected scale factor, comprising; means for generating signals representing characteristics of a physical entity, pulse generating means responsive to the signals for providing a clock signal having a higher frequency than the signals, scaling means to provide a desired scale factor to the clock signal, said scaling means including first accumulating means for receiving and storing said clock signal, said scaling means further including second accumulating means for receiving and storing selected portions of said clock signal and partly controlled by said first accumulating means, said second accumulating means operating bidirectionally, said second accumulating means providing a scaled signal output, said first accumulating means includes a plurality of counter means simultaneously responsive to the clock signal, individual ones of said counter means being responsive to a selected portion of the clock signal to represent different facTors of said signals and to provide counting signals to said second accumulating means, each of the individual counter means includes settable recognition means for generating a feedback signal to the individual respective counter to provide said counting signals in accordance with a predetermined scale factor determined by the setting of the respective recognition means.

Claim 3

Apparatus for generating a selected scale factor, comprising; means for generating signals representing characteristics of a physical entity, pulse generating means responsive to the signals for providing a clock signal having a higher frequency than the signals, scaling means to provide a desired scale factor to the clock signal, said scaling means including first accumulating means for receiving and storing said clock signal, said scaling means further including second accumulating means for receiving and storing selected portions of said clock signal and partly controlled by said first accumulating means, said second accumulating means operating bidirectionally, said second accumulating means providing a scaled signal output, said first accumulating means includes a plurality of counter means simultaneously responsive to the clock signal, individual ones of said counter means being responsive to a selected portion of the clock signal to represent different factors of said signals and to provide counting signals to said second accumulating means, said counting signals are representative of the magnitude of the physical entity, and further comprising means for controlling the direction of operation of said second accumulating means, said second accumulating means further including a plurality of bidirectional counting means, individual ones of said bidirectional counting means being responsive to the counting signal produced from respective ones of said counter means, said second accumulating means further including means for storing a signal overflow from individual ones of said bidirectional counter means, and means for gating signal overflow from said means for storing to predetermined ones of said bidirectional counter means to provide said scaled signal output.

Claim 4

Apparatus for generating a selected scale factor, comprising; means for generating signals representing characteristics of a physical entity, pulse generating means responsive to the signals for providing a clock signal having a higher frequency than the signals, scaling means to provide a desired scale factor to the clock signal, said scaling means including first accumulating means for receiving and storing said clock signal, said scaling means further including second accumulating means for receiving and storing selected portions of said clock signal and partly controlled by said first accumulating means, said second accumulating means operating bidirectionally, said second accumulating means providing a scaled signal output, said first accumulating means includes a plurality of counter means simultaneously responsive to the clock signal, individual ones of said counter means being responsive to a selected portion of the clock signal to represent different factors of said signals and to provide counting signals to said second accumulating means, said counting signals are representative of the magnitude of the physical entity, and further comprising means for controlling the direction of operation of said second accumulating means, said second accumulating means further including a plurality of bidirectional counting means, individual ones of said bidirectional counting means being responsive to the counting signal produced from respective ones of said counter means, said second accumulating means further including means for storing a signal overflow from individual ones of said bidirectional counter means, and means for gating signal overflow from said means for storing to predetermined ones of said bidirectional counter means to provide said scaled signal output.

Claim 5

Apparatus according to claim 2 wherein said means for gating includes a plurality of gate circuits, individual ones of said gate circuits being responsive to individual ones of said means for storing a signal overflow to provide control signals to predetermined ones of said bidirectional counters, and logic means operatively associated with said bidirectional counter means and responsive to selected ones of said control signals to condition said bidirectional counters.

Claim 6

Apparatus according to claim 2 wherein said pulse generating means includes means for generating timing signals to control the generation of the scaled signal output and to control the operation of said gating means.

Claim 7

Apparatus according to claim 4 wherein said means for gating includes a plurality of gate circuits, individual ones of said gate circuits being responsive to individual ones of said means for storing a signal overflow to provide control signals to predetermined ones of said bidirectional counters in response to said timing signals, and logic means operation operatively associated with said bidirectional counter means and responsive to selected ones of said control signals to condition said bidirectional counters.

Claim 8

Apparatus according to claim 1 further comprising means for controlling the direction of operation of said second accumulating means, said second accumulating means further including a plurality of bidirectional counting means, individual ones of said bidirectional counting means being responsive to the counting signals produced from respective ones of said counter means, said second accumulating means further including means for storing a signal overflow from individual ones of said bidirectional counter means, and means for gating signal overflow from said means for storing to Predetermined ones of said bidirectional counter means to provide said scaled signal output.