JPH0619049U - Medium character reading device - Google Patents

Abstract

(57) [Summary] [Object] To provide a character reading device which is capable of accurately setting a medium at a reading position without being aware of it, and which has an excellent operability for detecting the setting and automatically reading the medium. A medium abutting member 13 corresponding to a reading position is provided, the medium 10 abutted on the medium abutting member 13 is detected via an optical sensor 11, and a reading means 14 is moved in a direction of an arrow C to write characters. Read.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a medium description character reading device for reading characters written on a medium.

[0002]

[Prior art]

 Since the conventional character reading device for media requires careful handling of the medium, the medium is set to the reading position by hand, the presence or absence of the medium is detected by an optical sensor, and the reading means reads and moves. It was FIG. 7 is an external perspective view showing a stage portion of a character reading device for medium description of a conventional example. On the upper surface of the stage 2 provided on the upper part of the main body device 1, the U-shaped cover support bracket 3 in which the ears 3a and 3b are erected, the glass plate 4, and the guide plate 5 have the same level surface. Is provided. There is a medium reading position in the portion where the glass plate 4 is provided, and a hole (not shown) is provided on the stage 2 side. The cover 7 rotatably supported by the pins 6 is opened on the ears 3a and 3b of the cover support bracket 3, and the medium 10 is inserted along the insertion guides 8 and 9 on the guide plate 5 to remove the medium 10. After setting one end to match the joint between the cover support bracket 3 and the glass plate 4, the cover 7 is closed. When the medium 10 is detected by the optical sensor 11 provided on the back side of the cover 7 and the reading operation switch (not shown) is pressed, the reading means (not shown) reads the characters written in the medium.

[0003]

[Problems to be solved by the device]

 In the conventional character reading device for medium, the operability is poor such as opening and closing the cover, setting the medium in the reading position, and pressing the reading operation switch. Further, since the reading operation can be performed even if the medium set at the reading position is displaced within the detection range of the sensor, it is necessary to cause a reading error or increase the moving amount of the reading means. It is an object of the present invention to provide a medium-description character reading device which is capable of accurately setting a medium at a reading position without being aware of it, and which automatically detects when the medium is set and has excellent operability. .

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, in a first medium character reading device of the present invention, a medium abutting member provided corresponding to a reading position and a medium for abutting the medium abutting member are detected and read means And a medium detecting means for driving the. Further, for the same purpose, in the second medium character reading device of the present invention, the medium abutting member slidably provided in the medium inserting direction and the movement of the medium abutting member in the medium inserting direction are detected. And a medium detecting means for driving the reading means.

[0005]

[Action]

 When the medium is abutted against the medium abutting member of the first medium-description character reading device configured as described above, the medium detecting unit detects the medium and drives the reading unit. When the medium is abutted against the medium abutting member of the second medium description character reading device, the medium abutting member slides in the medium inserting direction, and the medium detecting means detects the movement of the medium abutting member and reads the medium. Drive means. Therefore, according to the present invention, it is possible to provide a medium-description character reading device which is capable of accurately setting a medium at a reading position without being aware of it and which has an excellent operability for automatically detecting when the medium is set. .

[0006]

【Example】

An embodiment of the present invention will be described with reference to the drawings. Elements common to the drawings are given the same reference numerals. First Embodiment FIG. 1 is a schematic side view showing the configuration of the first embodiment, and FIG. 2 is an external perspective view of part A (stage) surrounded by a two-dot chain line in FIG. On the upper surface of the stage 2 provided on the upper part of the main body device 1, the U-shaped cover support bracket 3 in which the ears 3a and 3b are erected, the glass plate 4, and the guide plate 5 have the same height surface. Is provided. There is a medium reading position in the portion where the glass plate 4 is provided, and a hole shown in range B is provided on the stage 2 side. An abutting member 13 for the medium 10 is provided on the cover supporting bracket 3 at one end of the range B. The ears 3a and 3b of the cover support bracket 3 are provided with covers 12 which are rotatably supported by pins 6. A light emitting element 11a of a sensor 11 for detecting the medium 10 is provided on the back side of the cover 12. The guide plate 5 is provided with insertion guides 8 and 9 for guiding the medium 10 when the medium 10 is inserted.

A reading carriage 14 equipped with a light source 15, a mirror 16, a lens 17, and a CCD sensor 18 is slidably supported on a shaft 19 inside the main body device 1. In the reading operation, the medium 10 is irradiated with light from the light source 15, and the reflected light is condensed on the CCD sensor 18 via the mirror 16 and the lens 17 to read the written characters. The reading carriage 14 is fixed by a clamper 24 to a belt 23 wound between a pulley 21 fixed to the shaft of a drive motor 20 and an idle pulley 22. Further, a light receiving element 11b facing the light emitting element 11a through the medium abutting member 13 in the range B is provided.

FIG. 3 is a control block diagram relating to the medium detecting means of the first embodiment. The optical sensor 11 and the drive motor 20 are connected to the control unit 30 including a microprocessor with a memory. When a detection signal is input from the optical sensor 11, the drive signal is output to the drive motor 20.

Next, the operation will be described. The medium 10 is placed on the stage 2, inserted into the reading position along the insertion guides 8 and 9, and is inserted until it abuts the medium abutting member 13. When the control unit 30 detects the medium 10 via the optical sensor 11, the drive motor 20 is rotationally driven to move the reading carriage 14 in the direction of arrow C and start the reading operation. The read operation is as described above.

Second Embodiment FIG. 4 is an external perspective view showing the essential structure of the second embodiment. This embodiment differs from the first embodiment in that a pressure sensor 40 is provided in the medium abutting member 13 instead of the optical sensor. The operation is the same as that of the first embodiment, and will be omitted. According to the present embodiment, when the medium 10 comes into contact with the medium abutting member 13, the control unit 30 detects it via the pressure sensor 40, and moves the reading carriage 14 in the direction of arrow C as shown in FIG. , Start the read operation. Therefore, the reading operation is performed after the medium 10 is set to the reading position without fail.

Third Embodiment FIG. 5 is an external perspective view showing the main structure of the third embodiment, and FIG. 6 is a sectional view taken along the line FF of FIG. This embodiment is different from the first embodiment in that the medium abutment member 50 resists the tension springs 51 and 52 (52 is not shown) with respect to the stop pins 53 and 54 planted in the cover support bracket 3. When the medium abutting member 50 slides in the direction of the arrow D-E, that is, the direction in which the medium 10 is inserted and the medium abutting member 50 slides in the arrow D direction, as shown in FIG. The optical sensor 11 is arranged so as to detect that the outer edges 55a of the grooves 55 and 56 provided in the optical sensor block the optical path of the optical sensor 11.

Next, the operation will be described. When the medium 10 is inserted, the medium 10 abuts on the medium abutting member 50, and further, the medium abutting member 50 moves by a certain amount until it abuts on the stop pins 53 and 54. When the control unit 30 detects via the optical sensor 11 that the medium abutting member 50 has moved by a certain amount, the control unit 30 moves the reading carriage 14 in the direction of arrow C as shown in FIG. 1 to start the reading operation. . According to this embodiment, when the medium 10 is pulled out, the medium abutting member 50 is returned to the initial position by the tension springs 51 and 52 that are hung between the cover 12 and the medium abutting member 50. Therefore, if the medium 10 is brought into contact with the medium abutting member 50 and then further inserted by a certain amount, the reading operation is started, and the medium 10 must be continuously pushed during the reading operation, so that the set state is surely secured. It

[0013]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. By providing the medium abutting member at the reading position and detecting the medium abutting on the medium abutting member or detecting the movement of the medium abutting member to drive the reading means, It is possible to provide a medium-description character reading device with excellent operability that can set the medium accurately at the reading position without being aware of it, and that automatically detects when the medium is set.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a configuration of a first embodiment.

FIG. 2 is an external perspective view of part A (stage) of FIG.

FIG. 3 is a control block diagram according to the first embodiment.

FIG. 4 is an external perspective view showing the main configuration of the second embodiment.

FIG. 5 is an external perspective view showing the configuration of the main part of the third embodiment.

6 is a cross-sectional view taken along the line FF of FIG.

FIG. 7 is an external perspective view showing a conventional example.

[Explanation of symbols]

 10 medium 11 optical sensor 13,50 medium abutting member 14 reading means 40 pressure-sensitive sensor

Claims (3)

[Scope of utility model registration request] 1. A medium written character reading device for driving a reading means to optically read written characters of a medium placed at a reading position, and a medium abutting member provided corresponding to the reading position, and a medium abutting member. A medium-description character reading device, comprising: a medium detection unit that detects a medium abutted against a member and drives the reading unit. 2. The medium character reading device according to claim 1, wherein the medium detecting unit detects the medium by a detection signal of a pressure sensor provided on the medium abutting member. 3. A medium character reading device for driving a reading means to optically read characters written on a medium placed at a reading position, and a medium abutting member slidably provided in a medium inserting direction, and a medium abutting member. A medium-description character reading device, comprising: a medium detection unit that drives a reading unit by detecting that the contact member has moved in the medium insertion direction.