JPS62139463A - Image input device - Google Patents

Abstract

PURPOSE:To easily execute positioning between a required image and a probe body at the start of reading by forming the guide width of a line sensor in the line direction smaller than the width of the line sensor. CONSTITUTION:A guide roller 7 for guiding a reading image in the direction orthogonal to the array direction of the line sensor 1 is arranged in the probe body 3. The width of the guide roller 7 is set up to about 1/3 the width of the line sensor 1 and the guide roller 7 is stored in a holding part 17a formed unitedly with a probe cover 17 covering the probe body 3. The width of the holding part 17a in the line direction is constituted so as to be grasped by the hand of an operator. Since the guide part is formed smaller than the line direction of the line sensor, a required image part can be easily inputted and the moving direction can be easily and effectively regulated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to an image input device capable of inputting only an image of a desired area.

[Technical Background and Problems of the Invention] With the development of information processing technology, attempts have been made to directly input various images. One of the image (2) input devices is a television camera, but its resolution is at most (30
0x400) dot, which was extremely insufficient for inputting characters written on paper, for example. Furthermore, since images are input through a lens system, the cost of the apparatus increases, and image distortion caused by the lens system poses a problem.

In addition, in recent years, various high-resolution image input devices that emit laser beams have been researched and developed, but they are expensive and require large-scale devices, so there are problems with their practicality.

On the other hand, as a high-resolution image input device, for example, FAX
There are some that are used for. This device is composed of a sensor using a semiconductor optical sensor array and a roller that conveys a paper with an image drawn on the sensor. However, with such a configuration, the scale of the apparatus becomes large, and the image of the entire area of the paper is input by feeding the paper with the roller, which is inconvenient when only the desired image is input. Ta.

On the other hand, there is a device similar to that described in Japanese Patent Application Laid-Open No. 59-63873, as shown in FIG. 4, for example. This includes a probe body 103 with a line sensor 101 fixed inside a probe cover 105, a guide roller 107 that regulates and guides the probe body 103 perpendicular to the line direction of the line sensor 101, and movement of the probe body 103. It is equipped with a distance measuring device 109 for detecting and measuring distance. Therefore, by scanning the paper sheet 111 displaying the image to be inputted, the desired image portion can be easily inputted.

However, in such a device, the paper sheet 111
The upper image will be hidden by the probe cover 105, and the operator cannot accurately know the sense line (σ stomach) while placing the probe body 103 on the read image. Therefore, for example, only a part of the image When you want to read the desired read image and probe body 1
There is a problem that the positioning of 03 requires rotation.

Further, a guide roller 107 for moving the probe body 103 perpendicular to the sense line is provided on the probe body 103.
Since the length in the sense line direction is approximately the same as the length in the sense line direction, there is a problem that the entire device becomes heavy and the operability deteriorates.

[Object of the Invention] This invention was devised in view of the above-mentioned problems, so that it is possible to easily input a desired image with high resolution, and to determine the position of the desired image and the probe body at the beginning of reading. The purpose of the present invention is to provide a compact and highly practical image input device that can easily perform the following operations.

[Means for Solving the Problems] In order to achieve the above object, the present invention includes a probe body to which a line sensor is fixed, and a probe body provided on the probe body that directs the movement direction of the probe body with respect to an input image of the line sensor. J3 is an image input device consisting of a guide that regulates the direction perpendicular to the line direction, a distance measuring device that measures the moving distance with respect to the input image of the line sensor, and a probe cover that covers the probe body, the guide, and the distance measuring device. The width of the guide in the line direction of the line sensor is formed to be smaller than that of the line sensor, and the width of the probe cover in the moving direction is formed smaller along the probe body on both sides of the guide in the line direction, and the width of the guide is smaller than that of the line sensor. The center part of the cover was configured as a grip part that housed the guide and the distance measuring device.

[Effect of the invention] According to the above configuration, when scanning an image to be input,
It is easy to handle because the grip part can be gripped and operated.

However, since this gripping portion is constructed from the probe cover itself, the structure is simple and manufacturing and assembly are easy.

The width of the guide that pulls in the line direction of the line sensor is made smaller than the width of the line sensor, making it small and lightweight, making it extremely practical.

Since the width of the probe cover in the movement direction is made small along the probe body on both sides of the guide in the line direction, the area of the image hidden by the probe cover becomes small, and the line for the desired image at 43 is formed before starting to read the image. Sensor alignment can be easily performed.

[Example] Hereinafter, one embodiment of the present invention will be described based on the drawings.

Figure 1 is a schematic 414 diagram of the image input device, and Figure 2 is the 414 diagram of the image input device.
FIG. 3 is a cross-sectional view of the probe body used in the apparatus shown in the figure, and FIG. 3 is a partially broken plan view of the probe body.

As shown in the figure, the line sensor 1 has, for example, a light source and an optical hinter array arranged in one direction.

This line sensor 1 is attached to a probe body 3 with the image input surface facing downward, and is connected to a control device 5. This control device 5 is composed of a microcomputer including a CPU and the like.

The probe body 3 has an idler roller 7 as a guide made of, for example, a rubber roller, so as to guide and move the probe body 3 perpendicularly to the arrangement direction (line direction) of the line sensor 1 with respect to the read image. It is provided to protrude slightly downward from the lower surface 9. The guide roller 7 is attached to a rotary shaft 13 that is rotatably supported by a bracket 11 fixed to the central part of the probe body 3 in the line direction, and is in contact with a sheet of paper 15 on which a desired image is displayed. The system is structured so that the employee can be transferred to another location. Further, the width of the guide roller 7 in the line direction is
The probe body 3 is formed into a barrel that allows the probe body 3 to be moved approximately straight. In this embodiment, it is housed in a grip part 17a that is formed to be approximately ⅓ of the width of the line sensor 1 in the line direction and that is integrally formed with a probe cover 17 that covers the probe body 3. The width of the grip portion 17a in the line direction is configured such that the operator can hold it by hand.

Further, one rotary encoder as a distance measuring device for detecting the movement of the probe body 3 and measuring the distance is interlocked and connected to the rotation shaft 13 of the guide 7.

The rotary encoder 19 is supported together with the guide roller 7 by a bracket 21 fixed to the probe body 3 in the grip part 17a, and is connected to a gear 25 fixed to the input shaft 23 and a gear r29 fixed to the rotating shaft 13. They are interlocked and connected with a timing belt 27 interposed therebetween. The rotary encoder 19 generates a pulse signal each time the guide roller 7 rotates by a predetermined angle, that is, each time the line sensor 1 of the probe body 3 moves a predetermined distance with respect to the paper sheet 15. The image read from the controller 5 is provided to the control device 5 as data. The control device 5 receives the pulse signal and controls the image input timing by the line sensor 1.

Therefore, each time the line sensor 1 is moved a predetermined distance relative to the paper sheet 15, it sequentially reads the image over one line, inputs it into the memory, reads it out, and displays it on the display screen.

Further, the control device 5 detects the moving speed of the line sensor 1 from the input interval of the pulse signal.

A circuit box 31 is provided at the upper center of the probe body 3.
A start switch 3 is provided in this circuit box 31.
3 is provided. The activation switch 33 is used to align the probe body 3 with the start line and end line of the read image and designate the start and end of reading.

The probe cover 17 is located on both sides of the guide roller 7 in the line direction, in other words, on both left and right sides 17b of the gripping portion 17a.
In this case, the width in the moving direction (the vertical direction in FIG. 3) is formed along the probe body 3 to be smaller than the grip portion 17a.

Next, the operation of the above embodiment will be described.

Grasp the gripping portion 17a of the probe cover 17 and move the probe body 3 over the paper sheet 15 on the right side of the image to be input. The probe body 3 is regulated by guide rollers 7 in a direction perpendicular to the line direction of the line sensor 1 and moves. Then, if you move the probe body 3,
The image is read line by line by the line sensor 1 every predetermined moving distance. Therefore, the input image has the line width of the line sensor 1 and is multiplied by 17 at regular intervals, and its resolution can be made sufficiently high. Furthermore, since the probe body 3 is moved by gripping the gripping portion 17a, the operation becomes easy and reliable. The grip part 17a is the probe cover 17
Because it is integrally formed, the number of parts does not increase and assembly is easy.

Further, according to this device, it is easy to input only the desired image part, and when moving the probe body 3, the moving direction can be easily controlled by the guide 7.
In addition, since it is effectively regulated, the reliability of image input is high.

Furthermore, the guide roller 1 and the O-tally encoder 19 as a distance measuring device are housed in the grip part 17a, and the width of the left and right sides 17b of the probe cover 17 in the moving direction is made smaller than that of the grip part 7a, so that the image to be input is The area hidden by the probe 7J bar 17 is extremely small compared to conventional devices, but since the width of the left and right inner m1117b approximately matches the width of the probe body 3, the probe body 3 is Positioning can be easily performed.

Note that this invention is not limited to the above embodiments. For example, it is possible to use another distance measuring device in place of the rotary encoder, and the number of guide rollers is not limited to two as in this embodiment, but may be formed by one roller. Further, the guide rollers may not be installed at the rear of the probe body as in this embodiment, but the guide rollers may be placed at the front and rear of the probe body with respect to the moving direction of the probe body. Also, Linesen υ is 1
It is not limited to the line type 5, but may be a multiple line type b.

[Brief explanation of drawings]

Fig. 1 is a schematic configuration diagram of an image saw device according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of the main parts including the probe body used in the device of Fig. 1, and Fig. 3 is a completely cutaway view of the same. FIG. 4 is a plan view of a main part and a schematic perspective view of a conventional image input device in use. (Explanation of symbols representing main parts of the drawing) 1...Line sensor 3...Probe body 7...
Guide roller (guide) 17... Probe cover 17a... Gripping part

Claims (1)

[Claims] a probe body to which a line sensor is fixed; a guide provided on the probe body to restrict the direction of movement of the probe body with respect to the input image to a direction perpendicular to the line direction of the line sensor; and a movement distance of the line sensor with respect to the input image. a distance measuring device that measures the probe body;
In an image input device comprising a guide and a probe cover that covers a distance measuring device, the width of the guide in the line direction of the line sensor is formed smaller than that of the line sensor, and the movement of the probe cover on both sides of the guide in the line direction An image input device characterized in that the width in the direction is made smaller along the probe main body, and the center portion of the probe cover is configured as a grip portion that accommodates the guide and the distance measuring device.