公开(公告)号：GB2286100A

公开(公告)日：1995-08-02

申请号：GB9400983

申请日：1994-01-19

Applicant: IBM

Inventor： FINDLAY VALERIE MCCLAREN ,  KNOX ANDREW RAMSAY

IPC: G06F3/041 ,  G06F3/033 ,  G06F3/037

公开(公告)号：GB2269030A

公开(公告)日：1994-01-26

申请号：GB9215896

申请日：1992-07-25

Applicant: IBM

Inventor： GIBBS TERENCE KEITH ,  LUCK GRAHAM ,  EAGLE DAVID JOHN ,  MORRISH ANDREW JOHN ,  FINDLAY VALERIE MCCLAREN

IPC: G04F10/00 ,  G04F10/04 ,  G07C3/04

Abstract: An elapsed time recording device includes a counter (130) for incrementally advancing a count value from an initial value towards and beyond a threshold in response to successive clock pulses of a clock signal. Control logic (140) enables the counter (130) to incrementally advance the count value in response to a first input (pin 3) and a second input (pin 1) being at or near a first voltage level, and holds the count value in response to the first input (pin 3) being at or near a second voltage level and the second input (pin 1) being at or near the first voltage level. Setting logic (210) sets the count value to a value beyond the threshold in response to the first input (pin 3) and the second input (pin 1) being at or near the second voltage level when the count value is between the initial value and the threshold.