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Apparatus and method for detecting position of a carrier in a scanner

A scanner and detection carrier technology, applied in character and pattern recognition, electrical components, computer components, etc., can solve the problems of reducing motor life, generating noise, and large motor stress

Inactive Publication Date: 2007-01-24
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user operates the scanner without noticing that it is locked, it creates noise and creates excessive stress in the motor, which reduces the life of the motor

Method used

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  • Apparatus and method for detecting position of a carrier in a scanner
  • Apparatus and method for detecting position of a carrier in a scanner
  • Apparatus and method for detecting position of a carrier in a scanner

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Embodiment Construction

[0025] Existing embodiments in accordance with the present invention will now be described in detail, examples of which are illustrated in the accompanying drawings, in which like reference numerals refer to like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures.

[0026] image 3 is a cross-sectional view of a scanner including a carrier position detection device according to an embodiment of the present invention.

[0027] refer to image 3 , the scanner includes a carrier 110 , a motor drive unit 120 , a motor 125 , a control unit 130 , a timing belt 140 , a guide shaft 150 , an impeller 160 and a drive shaft sensor 170 .

[0028] A scanning unit (not shown) including sensors is mounted on the carrier 110 . The sensor may be a Charge Coupled Device (CCD) sensor. The carrier 110 is moved by the rotational driving force of the motor 125 driven by the motor driving unit 120 . The carrier 110 is s...

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PUM

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Abstract

A device and method for detecting a position of a carrier in a scanner includes a scanner having a carrier on which a sensor that senses an image is installed, a motor that moves the carrier, and a motor driving unit that drives the motor, and having a device which detects the position of the carrier, having an impeller that is installed on a driving axis of the motor and rotates as the motor is driven, a driving axis sensor that outputs a detection signal according to the rotation of the impeller, and a control unit that detects the position of the carrier based on the detection signal.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Application No. 2005-59666 filed with the Korean Intellectual Property Office on July 4, 2005, the contents of which are incorporated herein by reference. technical field [0003] The present invention relates to detection of the position of a carrier in a scanner, and more particularly to such an apparatus and method for easily determining whether a scanner is locked or not by detecting the number of revolutions of an impeller mounted on a motor shaft and even when used to detect the position of a carrier The position of the carrier in the scanner can also be accurately checked when the home position cannot be detected. Background technique [0004] figure 1 is a perspective view schematically illustrating a scanner according to the related art. refer to figure 1 , the scanner includes a glass plate 11 on which a picture 10 is placed; a carrier 12 including a charge-coup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/04
CPCH04N1/04H04N1/0473G06V10/10
Inventor 尹汝馝
Owner SAMSUNG ELECTRONICS CO LTD