Apparatus for controlling linear tracking arm in record player

Details Apparatus for controlling linear tracking arm in record player Apparatus for controlling linear tracking arm in record player

H - Electricity

04

N

352/33.12

H04N 5/76 (2006.01) G11B 3/38 (2006.01) G11B 7/00 (2006.01) G11B 21/04 (2006.01) G11B 21/06 (2006.01)

Patent

CA 1181844

ABSTRACT OF THE DISCLOSURE A control system for a linear tracking arm in a record player. A signal representative of a tracking error angle of the arm is, after A/D conversion, supplied to a microprocessor for producing a control signal which controls an arm drive device so that the tracking error angle constaantly remains zero. For invalidating an offset quantity possibly produced in the output of a tracking error angle detecting sensor due to changes in the characteristic thereof, a signal produced byh the sensor when the arm is lifted in precedence to the playback operation is stored in a memory of the microprocessor. During the playback, the tracking error angle is detected with reference to the stored value. An aaverage moving speed of the arm is measured for discriminating transient increasing in the speed of the arm caused by eccentricity of the disc from the increasing of the speed caused by the arm entering a lead-out groove of the disc.

412253

Affiliated with

Also associated with

Rating

Apparatus for controlling linear tracking arm in record player does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for controlling linear tracking arm in record player, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for controlling linear tracking arm in record player will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1328459