Information processing apparatus using an offset signal to contr

Details Information processing apparatus using an offset signal to contr Information processing apparatus using an offset signal to contr

1995-12-01

1999-11-02

Young, W. R.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4429, 369126, G11B 7095

Patent

active

059783265

ABSTRACT:
An information processing apparatus, which utilizes a physical phenomenon occurring between a probe and a sample to detect information from the sample, includes a device for moving the probe in order to adjust a clearance between the probe and the sample, a device for detecting a physical phenomenon occurring between the probe and the sample, a device for generating a control signal for the moving device to change the clearance between the probe and the sample to a desired clearance, based on a result of detection of the detecting device, and a device for applying an offset signal to the control signal in order that the probe can move with respect to a reference located at a position deviated from a center position of a movable range of the probe by means of the moving device.

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Patent Abstracts of Japan, vol. 013, No. 557 (P-974), Dec. 12, 1989 & JP-A-01 233303.
Patent Abstracts of Japan, vol. 018, No. 184 (P-1719) Mar. 29, 1994 & JP-A-05 342647.

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