JP2007004699A - Reader - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a reader for enabling a user to easily determine a reading result. <P>SOLUTION: The reader 1 for reading a reading object 2 non-contactly is provided with a reading means 4 for reading the reading object 2, a determining means 9 for determining the normality and abnormality of a read result by the reading means 4 and a projecting means for projecting a determination result by the determining means 9 to the reading object. The projecting means is composed of at least two light emitting parts 8a to 8c, and the light emitting parts 8a to 8c have a light source for emitting light and a diffraction grating for using the light emitted from the light source to perform prescribed type of display on the reading object 2, being different in each of the light emitting parts 8a to 8c. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a reading device that reads a barcode, a two-dimensional code, and the like.

  As a conventional reading device, there is a portable barcode reader as shown in FIG. 6, which reads a barcode without contact.

  As a conventional bar code reader, a bar code reading result is notified to the user by sound so that the user can determine the bar code reading result (see Patent Document 1). .) For example, as shown in FIG. 7A, when the reading is successful, it is indicated by a beep. When the reading is not successful, as shown in FIG. The user can judge the reading result by indicating with a beeping sound.

  Further, as a conventional barcode scanner, a barcode scanner is disclosed that can notify a user of a barcode reading result by vibration so that the user can determine the barcode reading result (see Patent Document 2). .) For example, as shown in FIG. 7A, when reading can be normally performed, the vibration is “bull”, and when reading is not successful, as shown in FIG. The user can judge the reading result by indicating the vibration as “bull bull”.

Further, as a conventional barcode reader, the barcode reading result is displayed on a display means provided in the barcode reader and notified to the user, so that the user can determine the barcode reading result. There is something you can do. For example, when reading is successful, as shown in FIG. 8A, “reading result is successful” or lamp lighting is displayed, and when reading is not successful, as shown in FIG. 8B. In addition, the “reading result error” and the lamp blinking display allow the user to determine the reading result.
Japanese Patent Laid-Open No. 10-334174 JP-A-11-110469

  However, in the conventional barcode reader disclosed in Patent Document 1, since the barcode reading result is notified by sound, it is used when the user has a hearing impairment or there is ambient noise. There is a problem that a person cannot judge a plurality of reading results according to the type of sound.

  Further, in the conventional barcode scanner disclosed in Patent Document 2, since the barcode reading result is notified by vibration, it is difficult for the user to determine a plurality of reading results depending on the type of vibration. was there.

  Further, in the conventional barcode reader, the barcode reading result is displayed on the display means and notified to the user, so it is necessary to look at the display means. There was a problem that the nature was not good.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a reading device that allows a user to easily determine a reading result.

  The reader of the present invention is a reader that reads a reading object in a non-contact manner, a reading unit that reads the reading object, a determination unit that determines a state of a reading result by the reading unit, and a determination result by the determination unit Is projected to the reading object.

  With this configuration, since the determination result of the determination unit is projected onto the reading object, the reading result can be easily determined for a user who is conscious of the reading object.

  In the reading apparatus of the present invention, the projection means is constituted by at least two or more light emitting units, and the light emitting unit uses a light source that emits light and light that is emitted from the light source. Each of the light emitting units for displaying a predetermined type of display has a different diffraction grating.

  With this configuration, the light emitting unit has a light source that emits light, and a different diffraction grating for each light emitting unit that causes the reading object to display a predetermined type using the light emitted from the light source. A predetermined type can be displayed on the reading object with a simple configuration.

  In addition, the reading device of the present invention may further include a reflection unit that reflects the light emitted from the light emitting unit in the direction of the reading object.

  In the reader of the present invention, the determination unit is configured to further determine whether the reading process is abnormal when it is determined that the reading result by the reading unit is normal.

  With this configuration, when the determination unit determines that the reading result by the reading unit is normal, the determination unit further determines whether the reading process is abnormal. Therefore, whether the reading result is normal or abnormal In addition, the user can determine whether the reading process is abnormal.

  The present invention can provide a reading device that allows a user to easily determine a reading result.

  Hereinafter, an embodiment of a reading apparatus according to the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a barcode reader as an embodiment of a reading apparatus according to the present invention.

  In the present embodiment, the reader according to the present invention is applied to a portable barcode reader 1 that reads a barcode 3 constituting a part of a reading object 2 in a non-contact manner as shown in FIG. Will be described below. Therefore, the reading apparatus according to the present invention is not limited to the portable barcode reader 1 in the present embodiment, but can be applied to a stationary barcode reader. Further, the barcode 3 is not limited to a one-dimensional code, and may be a two-dimensional code such as a QR code.

  As shown in FIG. 1, the barcode reader 1 includes a grip portion 1a that can be gripped by a user, and a head portion 1b having an opening A formed at a predetermined angle with respect to the grip portion 1a. ing. The barcode reader 1 irradiates the reading object 2 with light through the opening A, reads the light reflected by the reading object 2, and reads the barcode.

  FIG. 2 is a block diagram of a barcode reader as an embodiment of a reading apparatus according to the present invention.

  As shown in FIG. 2, the bar code reader 1 includes a code reading unit 4 that reads a bar code 3 that forms a part of the reading object 2, and a bar code that decodes the read information read by the code reading unit 4. A code recognition unit 5 that recognizes 3, a reading target light emitting unit 6 that emits a reading target to the reading object 2, a reading target control unit 7 that controls the reading target light emitting unit 6, and three light emitting units 8 a to 8 c. A control unit 9 for making a determination based on the recognition result recognized by the code recognition unit 5 and controlling the light emission of the three light emitting units 8a to 8c; and a memory 10 for storing the recognition result and program of the code recognition unit 5; A communication unit 12 that transmits the recognition result stored in the memory 10 to the external device 11 and a CP that controls the entire apparatus based on a program stored in the memory 10 And a 13. Here, the code reading unit 4 and the code recognizing unit 5 constitute the reading unit of the present invention, the control unit 9 constitutes the determining unit of the present invention, and the light emitting units 8a to 8c serve as the projecting unit of the present invention. It is composed.

  The light emitting units 8a to 8c have a light source (not shown) that emits light and a diffraction grating (not shown) that is different for each light emitting unit that causes the reading object 2 to display a predetermined type using the light emitted from the light source. is doing. Here, the display of the predetermined type refers to a display of “◯” indicating normality, “Δ” indicating caution, and “X” indicating abnormality. As described above, since the light emitting units 8 a to 8 c have different diffraction gratings, the control unit 9 switches and controls the light emission of the light emitting units 8 a to 8 c based on the recognition result recognized by the code recognition unit 5. By doing so, a predetermined type can be displayed on the reading object 2.

  The barcode reader 1 further includes a reflection unit (not shown) configured by a mirror that reflects the light emitted from the light emitting units 8a to 8c in the direction of the reading object. More specifically, the reflecting unit applies the light emitted from the light emitting units 8a to 8c provided inside the grip unit 1a in the direction of the opening A (the direction of the reading object) according to the bending of the head unit 1b. It is provided in the position where it reflects. In the present embodiment, the light emitting portions 8a to 8c are provided inside the grip portion 1a. However, the light emitting portions 8a to 8c may be provided in the vicinity of the opening A in the direction of the reading object 2. In this case, the reflecting portion is not necessary.

  FIG. 3 is a diagram showing a state in which the reading target is irradiated onto the reading object by the reading target light emitting unit in the embodiment of the reading apparatus according to the present invention.

  As shown in FIG. 3, the reading target light emitting unit 6 is provided inside the grip portion 1a, and irradiates the reading target 14 to the reading target object 2 through the reflection unit described above. Further, the code reading unit 4 performs reading by the irradiated reading target 14 being reflected by the reading object 2. In the present embodiment, the reading target light emitting unit 6 is provided in the grip 1a, but may be provided in the vicinity of the opening A in the direction of the reading object 2, in this case. In this case, the reflecting portion is not necessary.

  FIG. 4 is a diagram illustrating a state in which the determination result by the control unit in the embodiment of the reading apparatus according to the present invention is projected onto the reading object.

  As shown in FIG. 4, the control unit 9 determines whether the barcode data (read result) decoded by the code recognition unit 5 is normal or abnormal with reference to the determination criterion stored in the memory 10 in advance. ing. If the reading result is normal, the control unit 9 controls the light emitting units 8a to 8c so as to project “◯” indicating normality onto the reading object 2, as shown in FIG. ing. Further, if the reading result is abnormal, the control unit 9 controls the light emitting units 8a to 8c to project “x” indicating abnormality on the reading object 2 as shown in FIG. 4C. It has become. Further, if the reading result is normal and the reading process is abnormal, the control unit 9 projects “Δ” indicating caution on the reading object 2 as shown in FIG. The light emitting units 8a to 8c are controlled.

  Here, the reading process is abnormal when the barcode data decoded by the code recognition unit 5 is not the barcode data corresponding to the process designated in advance by the user via the input unit (not shown). A case where the barcode reader 1 of the present embodiment is applied to a baggage collection / delivery terminal will be specifically described below. First, an input unit (not shown) includes, for example, a button that is input when a user reads a barcode when taking a package, and a button that is input when a user reads a barcode when specifying a relay point. Shall. In this case, even if the user presses the input button when reading the barcode when accepting the package, the reading processing is abnormal when the read barcode data is the barcode data specified by the relay point. It becomes. Whether or not the reading process is abnormal is determined with reference to a determination criterion stored in the memory 10.

  Note that the reading process abnormality as described above is an example and is not limited to this, and a case where the same barcode is read twice or more may be regarded as a reading process abnormality.

  FIG. 5 is a flowchart of a barcode reader as an embodiment of a reading apparatus according to the present invention.

  As shown in FIG. 5, first, the reading target 14 is irradiated by the reading target light emitting unit 6, and the light reflected by the reading object 2 is read by the code reading unit 4 (S1). Then, the code read by the code reading unit 4 is decoded by the code recognition unit 5. Based on the information decoded by the code recognition unit 5, the control unit 9 determines normality, caution, or abnormality (S3). If the controller 9 determines that it is normal, the light emitter 8a corresponding to “◯” is caused to emit light and projected onto the reading object 2 (S5). If the controller 9 determines that there is an abnormality, the light emitting unit 8c corresponding to “x” is caused to emit light and projected onto the reading object 2 (S6). If the control unit 9 determines that the reading process is abnormal, the light emitting unit 8b corresponding to “Δ” is caused to emit light and projected onto the reading object 2 (S7).

  According to the barcode reader 1 of this embodiment, since the determination result of the control unit 9 is projected onto the reading object 2, for the user who is conscious about the reading object 2, The reading result can be easily determined.

  Further, according to the barcode reader 1 of the present embodiment, the light emitting units 8a to 8c cause the reading object 2 to display a predetermined type using the light source that emits light and the light emitted from the light source. Since each light emitting section has a different diffraction grating, it is possible to display a predetermined type, that is, normal, caution, abnormal, etc., on the reading object 2 with a simple configuration.

  Further, according to the barcode reader 1 of the present embodiment, when the control unit 9 determines that the reading result by the code reading unit 4 is normal, the control unit 9 further determines whether the reading process is abnormal. In addition to being able to determine whether the reading result is normal or abnormal, the user can determine whether the reading process is abnormal.

  As described above, the reading apparatus according to the present invention has an effect that the user can easily determine the reading result by displaying the reading result on the reading object. It is useful as a reading device or the like that reads the like.

1 is a perspective view of a barcode reader as an embodiment of a reading apparatus according to the present invention. 1 is a block diagram of a barcode reader as an embodiment of a reader according to the present invention. The figure which shows the state by which the reading target was irradiated to the reading target object by the reading target light emission part in one Embodiment of the reader concerning this invention. The figure which shows the state by which the determination result by the control part in one Embodiment of the reader concerning this invention was projected on the reading target object 1 is a flowchart of a barcode reader as an embodiment of a reader according to the present invention. A perspective view of a conventional portable barcode reader The figure explaining notifying a user of the reading result of the barcode in the conventional barcode reader by sound or vibration The figure explaining displaying the reading result of the barcode in the conventional barcode reader on a display means, and notifying a user

Explanation of symbols

1 Bar code reader (reading device)
2 Reading object 3 Bar code 4 Code reading unit (reading means)
5 Code recognition unit (reading means)
6 Reading target light emitting unit 7 Reading target control unit 8 Light emitting unit (projecting means)
9 Control unit (determination means)
10 memory 11 external device 12 communication unit 13 CPU
14 Reading target

Claims (4)

In a reading device that reads a reading object in a non-contact manner, a reading unit that reads the reading object, a determination unit that determines a state of a reading result by the reading unit, and a determination result by the determination unit are projected onto the reading object. And a projecting means. The projection unit includes at least two or more light emitting units, and the light emitting unit causes the reading object to display a predetermined type using a light source that emits light and light emitted from the light source. The reading apparatus according to claim 1, further comprising a different diffraction grating for each light emitting unit. The reading apparatus according to claim 2, further comprising a reflection unit configured to reflect light emitted from the light emitting unit in a direction of the reading object. 4. The determination unit according to claim 1, wherein the determination unit further determines whether the reading process is abnormal when it is determined that the reading result by the reading unit is normal. 5. Reader.

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