Clock system having a dynamically selectable clock period

Details Clock system having a dynamically selectable clock period Clock system having a dynamically selectable clock period

1977-11-23

1980-12-23

Shaw, Gareth D.

Boots, shoes, and leggings

307208, 307265, 307293, 328 61, 328 63, 328 72, 328 74, H03K 504, H03K 5159

Patent

active

042414180

ABSTRACT:
A clock system for providing rectangular wave forms or wave trains, with each wave train having a selectable predetermined clock cycle period. A rectangular wave train is generated by a generator comprising a delay line coupled to an INVERTER. By using a second delay line to delay the rectangular wave by a selectable predetermined delay period, a control signal is formed which when fed into the generator produces a second rectangular wave train with a clock cycle period equal to that of the rectangular wave clock cycle period plus the period of the second predetermined delay. The addition of a synchronization circuit permits the clock cycle period to be dynamically selected during a clock cycle. This provides a rectangular train with the period of each clock cycle being any of the predetermined clock cycle periods independent of the clock cycle period of preceding or succeeding clock cycles.

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patent: 4105978 (1978-08-01), Goss et al.
patent: 4134073 (1979-01-01), MacGregor

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