Record player

Details Record player Record player

1979-05-08

1980-12-23

Haroian, Harry N.

Undertaking

G11B 310

Patent

active

042406412

ABSTRACT:
Apparatus for adjusting and displaying the stylus pressure exerted on a record disc by a stylus carried by a tone arm in a record playing device comprises a vertical drive motor for bi-directionally driving the tone arm in the vertical direction, an adjusting circuit, such as an adjustable resistor, producing a control signal whose level is determinative of the stylus pressure, an energizing circuit responsive to the control signal for energizing the vertical drive motor in accordance with the level of the control signal, thereby establishing the stylus pressure, and a display device, such as a digital display, responding to the control signal for providing a visual display of the stylus pressure as determined by the level of the control signal.

REFERENCES:
patent: 3000005 (1961-09-01), Moyer
patent: 3093379 (1963-06-01), Fabel et al.
patent: 4105961 (1978-08-01), Plummer
patent: 4138121 (1979-02-01), Makajima et al.

Affiliated with

Also associated with

Rating

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 Record player, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Record player will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2238983