Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By pulse width or spacing
Patent
1998-06-11
2000-06-06
Wambach, Margaret R.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By pulse width or spacing
377 20, 377 52, G06M 300
Patent
active
060723386
ABSTRACT:
A pulse width determining device includes a down counter for counting down from a first initial count value reloaded thereinto. If the down counter underflows, it can start counting down from a second initial count value reloaded thereinto as needed. Every time the device receives an input pulse, a count clock control circuit can set a period of time during which it can generate and furnish count clock pulses to the down counter, according to the pulse width of the input pulse. The device can determine whether or not the pulse width of the input pulse is in a predetermined range of pulse widths according to a relation between timing with which the down counter underflows and the time period during which the count clock pulses are generated. To be more specific, after the down counter, which started at the first initial count value, has underflowed, the device determines that the pulse width of the pulse lies in the predetermined range if the time period set by the count clock control circuit is finished before the down counter, which started counting down from the second initial count value, underflows.
REFERENCES:
patent: 4039936 (1977-08-01), Jones et al.
patent: 4864434 (1989-09-01), Janz
patent: 4982109 (1991-01-01), Burwell
patent: 5239474 (1993-08-01), Eaton, Jr. et al.
patent: 5351028 (1994-09-01), Krahn
patent: 5394070 (1995-02-01), Jacobsen et al.
patent: 5438328 (1995-08-01), Kweon
patent: 5545985 (1996-08-01), Campbell
patent: 5589769 (1996-12-01), Krahn
patent: 5598116 (1997-01-01), Kwon
patent: 5631592 (1997-05-01), Schwarz et al.
Mitsubishi Denki & Kabushiki Kaisha
Mitsubishi Electric Engineering Company Limited
Wambach Margaret R.
LandOfFree
Method of and device for determining pulse width does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of and device for determining pulse width, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of and device for determining pulse width will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2216480