METHOD AND APPARATUS OF SPOT SCAN IMAGE

Title:

METHOD AND APPARATUS OF SPOT SCAN IMAGE

Document Type and Number:

WIPO Patent Application WO/2000/014704

Kind Code:

A1

Abstract:

The invention refers to a method and apparatus of spot scan image in which rotating spots are on different radii of the same center of a circle and the brightness of the rotating spot synchronistically corresponds to the brightness of respective pixel of picture so as to form a picture. The apparatus includes spots, a spot brightness controller and a spot rotational scanner. A spot rotational scanner has a motor, a shaft and a turntable which is fixed on the shaft. A spot brightness controller has a spot brightness control circuit and rotating transformers. The spot and spot brightness control circuit are fixed on the turntable. A driver circuit of the spot brightness control circuit and a turntable position sensor are connected with picture storage and processing circuit.

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Inventors:

ZHOU YINGUI (CN)

Application Number:

PCT/CN1999/000111

Publication Date:

March 16, 2000

Filing Date:

August 11, 1999

Export Citation:

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Assignee:

ZHOU YINGUI (CN)

International Classes:

G09G3/00; (IPC1-7): G09F9/00; G09G3/00

Domestic Patent References:

WO1998013841A1	1998-04-02
WO1998015942A1	1998-04-16
WO1997007493A1	1997-02-27

Foreign References:

EP0301870A2	1989-02-01
EP0703558A1	1996-03-27
EP0708431A2	1996-04-24

Attorney, Agent or Firm:

SHANGHAI HUADONG PATENT AGENCY (Shanghai 1, CN)

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