JP2589750Y2 - Medium description character reading device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character reader for reading characters written on a medium.

[0002]

2. Description of the Related Art Conventionally, a character reading device on a medium requires careful handling of the medium, so that the medium is set to a reading position by hand, and the presence or absence of the medium is detected by a sensor using light.
The reading means moves for reading. FIG. 7 is a perspective view showing the appearance of a stage portion of a conventional medium reading character reading apparatus. On the upper surface of the stage 2 provided on the upper part of the main unit 1, a U-shaped cover support bracket 3, which has ears 3a and 3b, a glass plate 4, and a guide plate 5, have surfaces of the same height. It is provided. A portion where the glass plate 4 is provided has a medium reading position, and a hole (not shown) is provided on the stage 2 side. Ears 3a, 3b of cover support bracket 3
The cover 7 rotatably supported by the pin 6 is opened, and the medium 10 is inserted along the insertion guides 8 and 9 on the guide plate 5. One end of the medium 10 is connected to the cover support bracket 3 and the glass plate 4. After setting according to the joint, the cover 7 is closed. Optical sensor 1 in which medium 10 is provided behind cover 7
1, and when a reading operation switch (not shown) is depressed, reading means (not shown) reads characters written on the medium.

[0003]

In the conventional medium-reading character reading apparatus, the operability is poor, such as opening and closing the cover, setting the medium to the reading position, and pressing the reading operation switch. Was. Further, even if the set of the medium at the reading position is displaced within the detection range of the sensor, the reading operation can be performed. Therefore, it is necessary to generate a reading error or to increase the moving amount of the reading unit. SUMMARY OF THE INVENTION It is an object of the present invention to provide a medium-reading character reading apparatus which is capable of accurately setting a medium at a reading position without being conscious and detects the setting and automatically reads the medium.

[0004]

According to a first aspect of the present invention, there is provided a character reading apparatus for describing a medium, comprising: a carriage on which a reading unit is mounted; and a medium abutting member provided corresponding to a reading position. And a medium detecting means for detecting that the medium has hit the medium abutting member. When the medium detecting means detects the medium, the carriage is moved in the reading direction and placed at the reading position by the reading means. The written characters on the medium are read optically. For the same purpose, in the second character reading device according to the present invention, a carriage on which reading means is mounted, a medium abutting member slidably provided in a medium inserting direction, and a medium abutting member formed of a medium are provided. Medium detecting means for detecting that the medium has been moved by a predetermined amount in the insertion direction, and when the medium detecting means detects the medium, the carriage is moved in the reading direction, and the written characters of the medium placed at the reading position by the reading means are read. Have them read optically.

[0005]

In the first character reading device with medium described above, when the medium strikes the medium striking member, the medium sensing means detects the medium, moves the carriage in the reading direction, and reads by the reading means. The written characters on the medium placed at the position are optically read. Also, the second medium description character reading device, when hitting the medium against the medium hitting member,
The medium detecting means detects that the medium abutting member has moved by a certain amount in the medium inserting direction, moves the carriage in the reading direction, and optically reads the written characters of the medium placed at the reading position by the reading means. Therefore, according to the present invention,
The medium can be accurately set at the reading position without being conscious, and the reading carriage is moved upon detecting that the medium is set, thereby providing a medium-reading character reading apparatus with excellent operability for reading characters.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings. Elements common to the drawings are denoted by the same reference numerals. First Embodiment FIG. 1 is a schematic side view showing the structure of the first embodiment, and FIG.
FIG. 2 is an external perspective view of a portion A (stage) surrounded by a two-dot chain line in FIG. 1. On the upper surface of the stage 2 provided on the upper part of the main unit 1, a U-shaped cover support bracket 3, which has ears 3a and 3b, a glass plate 4, and a guide plate 5, have surfaces of the same height. It is provided. A portion where the glass plate 4 is provided has a medium reading position, and a hole shown in a range B is provided on the stage 2 side. An abutment member 13 for the medium 10 is provided on the cover support bracket 3 at one end of the range B.
Further, a cover 12 pivotally supported by pins 6 is provided on the ear portions 3a and 3b of the cover support bracket 3. On the back side of the cover 12, a light emitting element 11a of the sensor 11 for detecting the medium 10 is provided. The medium 1 is placed on the guide plate 5.
Inserting guides 8, 9 for guiding the medium 10 when inserting 0
Is provided.

[0007] Inside the main unit 1, a light source 15, Mira-1
6, a reading carriage 14 equipped with reading means including a lens 17 and a CCD sensor 18
Is slidably supported on the shaft. In the reading operation, light is emitted from the light source 15 to the medium 10, 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 a shaft of a driving motor 20 and an idle pulley 22.

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, and when a detection signal is input from the optical sensor 11,
A drive signal is output to the drive motor 20.

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

Second Embodiment FIG. 4 is an external perspective view showing the structure of a main part of a second embodiment.
This embodiment is different from the first embodiment in that a pressure sensing sensor 40 is provided with a medium abutting member 13 instead of the optical sensor. The operation is the same as in the first embodiment, and a description thereof will be omitted. According to the present embodiment, the medium 10 is
, The control unit 30 detects through the pressure-sensitive sensor 40, moves the reading carriage 14 in the direction of arrow C as shown in FIG. 1, and starts the reading operation. Therefore, the reading operation is performed after the medium 10 is securely set at the reading position.

Third Embodiment FIG. 5 is an external perspective view showing the structure of a main part of a third embodiment.
FIG. 6 is a sectional view taken along line FF of FIG. This embodiment is the first
The difference from the embodiment is that the medium abutting member 50 is provided with stop pins 53, 54 implanted in the cover support bracket 3 against tension springs 51, 52 (52 not shown).
In contrast, a point provided so as to be slidable in the direction of the arrow DE, that is, the direction of insertion of the medium 10, and the medium abutting member 50 slides in the direction of the arrow D, and as shown in FIG. Outer edges 55a of grooves 55, 56 provided in
When the light sensor 11 contacts the stop pins 53 and 54,
That is, the optical sensor 11 is disposed so as to detect that the optical path has been interrupted.

Next, the operation will be described. When the medium 10 is inserted, the medium 10 comes into contact with the medium abutting member 50 and further moves by a certain amount until the medium abutting member 50 comes into contact with the stop pins 53 and 54. When the control unit 30 detects that the medium abutting member 50 has moved by a predetermined amount via the optical sensor 11, the reading carriage 14 as shown in FIG.
Is moved in the direction of arrow C to start the reading operation. According to the present embodiment, when the medium 10 is pulled out, the medium abutting member 50 returns to the initial position by the tension springs 51 and 52 hung between the cover 12 and the medium abutting member 50. Therefore, the medium 10 is moved to the medium abutting member 5.
After the contact with 0, if a certain amount is further inserted, the reading operation is started, and the medium 10 must be continuously pressed during the reading operation, so that the set state is reliably ensured.

[0013]

[Effects of the Invention] Since the present invention is configured as described above, the following effects can be obtained. By providing a carriage equipped with reading means, a medium abutting member provided corresponding to the reading position, and a medium detecting means for detecting that the medium has hit the medium abutting member,
When the medium detecting means detects the medium, the carriage is moved and the reading means optically reads the written characters of the medium placed at the reading position, so that the medium can be placed at the medium reading position without being conscious and loaded. It is possible to provide a medium-readable character reading apparatus having excellent operability, which automatically detects the placement and detects the placement. A carriage having reading means mounted thereon, a medium abutting member slidably provided in the medium inserting direction, and a medium detecting means for detecting that the medium abutting member has moved by a predetermined amount in the medium inserting direction by the medium. Thus, when the medium detecting means detects the medium, the carriage is moved and the reading means optically reads the written characters of the medium placed at the reading position. It is possible to provide a medium-readable character reading apparatus that can be placed and has excellent operability that automatically detects the placement and automatically reads.

[Brief description of the 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 a main part configuration of a second embodiment.

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

6 is a sectional view taken along the line FF of FIG. 5;

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Medium 11 Optical sensor 13,50 Medium abutment member 14 Reading means 40 Pressure sensitive sensor

Claims (3)

(57) [Scope of request for utility model registration] An apparatus for reading characters written on a medium placed at a reading position by moving a reading means, wherein the carriage having the reading means and a medium provided corresponding to the reading position are provided. An abutting member, and a medium detecting means for detecting that the medium has hit the medium abutting member. When the medium detecting means detects the medium, the carriage is moved in the reading direction and the reading means moves the carriage to the reading position. A medium description character reading device for optically reading written characters on a mounted medium. 2. The character reading device according to claim 1, wherein the medium detecting means detects the medium by a detection signal of a pressure sensor provided on the medium abutting member. 3. A medium description character reading apparatus for optically reading written characters on a medium placed at a reading position by moving a reading means, wherein a carriage having the reading means mounted thereon is slidably provided in a medium inserting direction. A medium abutting member, and medium detecting means for detecting that the medium abutting member has moved by a predetermined amount in the medium insertion direction by the medium. When the medium detecting means detects the medium, the carriage is moved in the reading direction. A medium-described character reading apparatus characterized by optically reading written characters on a medium placed at a reading position by reading means.