Digital servo system using microcomputer for controlling...

G - Physics – 05 – D

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

352/21.1

G05D 13/62 (2006.01) G11B 15/18 (2006.01) G11B 15/467 (2006.01) H02P 23/00 (2006.01)

Patent

CA 1332756

ABSTRACT OF THE DISCLOSURE A microcomputer (20) servo controls the rotational speed and the rotational phase of a cylinder motor (37) of a VTR in a digital manner. The microcomputer (20) generates a 10-bit digital phase error signal DPH having sufficiently low conversion gain and a 10-bit digital speed error signal DSP having sufficiently low conversion gain in response to an FG signal generated with rotation of a cylinder motor. The digital phase error signal DPH and the digital speed error signal DSP are added to each other in a digital manner in the addition ratio 1:8. In addition, this result of addition is amplified by four times in a digital manner by extracting eight lower order bits thereof and then, converted into an analogue signal and supplied to the cylinder motor as a servo control signal. Thus, since the error signals are added to each other in a digital manner and then, the added signal is amplified as required, a digital servo having a large capture range can be achieved as whole.

558502

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Digital servo system using microcomputer for controlling... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital servo system using microcomputer for controlling..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital servo system using microcomputer for controlling... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1337435

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.