JP2009282761A - Optical information reading device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical information reading device for suppressing the blurring of a device body due to the depressing operation of a read operation key formed on the back face of the device body. <P>SOLUTION: On an action line L of a depressing force acting on the device body 11 according to the depressing operation of a trigger key 21 installed on a back face 12a of the device body 11, a protrusion part 30 is formed on a surface 13a of the device body 11 so that its height from the surface 13a can be made higher than that of each of a plurality of information input keys such as a cross key 22 or a function key 23. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an optical information reading apparatus that irradiates light to be read away from the apparatus body and reads information on the read object based on the reflected light.

  2. Description of the Related Art Conventionally, a trigger actuating positioning device shown in Patent Document 1 is known as an electronic device in which a trigger key for starting a specific function is arranged on the back surface of a device body. This positioning device has a function of moving the cursor of the computer monitor, and by operating the control element (trigger key) provided on the back surface of the housing with the index finger while holding the housing, The cursor is movable on the monitor.

In the optical information reading device, like the trigger key described above, the device main body is gripped by providing a reading operation key on the back surface of the device main body that is operated when irradiating light to the reading target such as a barcode. However, the reading operation key can be configured to be operable with an index finger or the like.
Japanese Patent No. 353477

  By the way, in the optical information reading apparatus, when a reading operation key provided on the back surface of the apparatus main body is pressed with an index finger or the like while the apparatus main body is held, a pressing force acts on the apparatus main body by this operation. In order to suppress the shake of the apparatus main body due to the pressing force, it is necessary to reliably receive the pressing force by supporting the surface of the apparatus main body on the action line of the pressing force with a thumb or the like.

  However, as shown in Patent Document 1, when an information input key or the like is arranged on the surface of the action line, a portion for appropriately receiving a pressing force by a pressing operation cannot be supported, and a reading operation key This causes a problem that the apparatus body is shaken during the pressing operation, and the reading target cannot be read accurately. In addition, when an information input key or the like is not disposed on the surface on the action line but is disposed on the periphery thereof, information on the periphery is input when supporting the surface portion on the action line when the reading operation key is pressed. There arises a problem that an erroneous input is made by touching a key or the like.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide optical information that can suppress shaking of the apparatus main body due to a pressing operation of a reading operation key provided on the back surface of the apparatus main body. To provide a reader.

  In order to achieve the above object, in the optical information reading device according to claim 1, the reading object spaced from the apparatus main body (11) is irradiated with light, and the reading object is based on the reflected light. An optical information reader (10) for reading information, which is provided on the surface (13a) of the apparatus body and is operated when inputting information on the object to be read and information on the operation of the optical information reader. A plurality of information input keys (22, 23), a reading operation key (21) provided on the back surface (12a) of the apparatus main body and pressed when irradiating the reading object with light, and the reading operation It is on the line of action (L) of the pressing force acting on the device main body according to the key pressing operation, and the height from the surface of the device main body is higher than the plurality of information input keys. Formed protrusions ( 0) and it is technically characterized in that it comprises.

  According to the first aspect of the present invention, there are a plurality of heights from the surface of the apparatus body on the surface of the apparatus body that are on the action line of the pressing force that acts on the apparatus body in response to a pressing operation of a reading operation key provided on the back surface of the apparatus body. A protrusion is formed so as to be higher than the information input key.

For this reason, when the operator holding the apparatus main body presses the reading operation key on the back surface of the apparatus main body with an index finger or the like, the operator supports the protruding portion on the surface of the apparatus main body with a thumb or the like, so that the operator can press the The acting pressing force can be reliably received by the thumb or the like that supports the protrusion. In particular, since the protruding portion is formed higher than a plurality of information input keys provided on the same surface, it is possible to reliably prevent erroneous input due to a thumb or the like supporting the protruding portion touching the information input key. .
Therefore, it is possible to suppress the shake of the apparatus main body due to the pressing operation of the reading operation key provided on the back surface of the apparatus main body.

  In the invention of claim 2, the top surface of the protruding portion is provided with a convex portion or a concave portion. Thereby, the position of a protrusion part can be recognized only by touching the convex part or recessed part of the top surface of a protrusion part, without visually confirming a protrusion part.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a schematic configuration of an optical information reading apparatus 10 according to this embodiment. FIG. 1 (A) is a front view, FIG. 1 (B) is a side view, and FIG. FIG. FIG. 2 is an enlarged view showing the protrusion 30 of FIG. FIG. 3 is an explanatory diagram showing an example of the arrangement of each finger when the trigger key 21 is pressed.

  An optical information reader 10 shown in FIGS. 1A to 1C is used as, for example, a code reader that reads a barcode or a two-dimensional code, and includes an outer case (hereinafter referred to as a front case) 13 and a front case 13. Various electrical components (light source, lens, light receiving sensor, storage means, control circuit, etc.) for constituting a code reader are accommodated in the device 11. The electrical configuration in the outer case 11 can be the same as a known code reader (bar code reader, two-dimensional code reader, etc.).

  The outer case 11 includes a grip 14 that is gripped by an operator, a liquid crystal unit 15 to which a liquid crystal display 15a is attached, and a reading unit 16 in which a reading port 16a is provided. The liquid crystal unit 15 is formed so as to be inclined at an angle α toward the operator side with respect to the grip unit 14 so that an operator who grips the grip unit 14 can easily see the liquid crystal display 15a (FIG. 1). (See (B)). In the present embodiment, the angle α is set to 10 ° to 20 °, for example. The reading unit 16 is formed so as to be inclined toward the counter operator side with respect to the liquid crystal unit 15.

  A non-operator side surface (hereinafter also referred to as a back surface 12a) of the back case 12 is a reading operation key that is pressed when irradiating light to a reading target such as a bar code or a two-dimensional code (not shown). A trigger key 21 is provided. By pressing the trigger key 21, light is emitted from the reading port 16a toward the reading target.

  Thus, by providing the trigger key 21 on the back surface 12 a, the side trigger key opening functioning as a reading operation key is provided on the side surface of the outer case 11, that is, the fitting portion between the back case 12 and the front case 13. The core for forming becomes unnecessary. For this reason, the structure of the metal mold | die which shape | molds the back side case 12 and the front side case 13 becomes easy compared with the case where a side trigger key is provided, and can reduce manufacturing cost.

  The grip portion side portion 21a of the trigger key 21 protrudes outward from the back surface 12a to the extent that it does not come into contact with the work table or the like when the apparatus main body 11 is placed on the work table or the like with the back surface 12a of the grip portion 14 facing downward. (See FIG. 1B). Thereby, erroneous operation of the trigger key 21 when the apparatus main body 11 is placed on a work table or the like can be prevented. Further, since the operator can press the trigger key 21 while holding the index finger or the like on the grip portion side portion 21a, the operability of the trigger key 21 can be improved.

  A columnar protrusion 30 is on the operator side surface (hereinafter also referred to as the surface 13a) of the front case 13 on the line of action of the pressing force acting on the apparatus main body 11 according to the pressing operation of the trigger key 21. It is formed to protrude. As shown in FIG. 2, a convex portion 32 is formed at the center of the top surface 31 of the projecting portion 30 so as to project upward from the top surface 31.

  In addition, on the surface 13a, the cross key 22 and the function keys 23 and numbers that can input information on the object to be read and information on the operation of the optical information reading device 10 to the periphery of the projecting portion 30 and the gripping portion 14. There are provided a plurality of information input keys operated when inputting information, such as a numeric keypad 24 capable of inputting information.

Here, the reason which provided the protrusion part 30 is demonstrated with reference to FIG.
As shown in FIG. 3, the projecting portion 30 is disposed on the surface 13 a on the line of action L of the pressing force acting on the apparatus main body 11 in response to the pressing operation of the trigger key 21. This is because the pressing force acting on the apparatus main body 11 by the pressing operation by supporting the protruding portion 30 with the thumb F ₂ or the like when the operator holding the holding portion 14 presses the trigger key 21 with the index finger F ₁ or the like. Is reliably received by the thumb F ₂ or the like that presses the protruding portion 30. Thereby, the shake of the apparatus main body 11 due to the pressing operation of the trigger key 21 can be suppressed.

  In particular, since the convex portion 32 is formed at the center of the top surface 31 of the protruding portion 30, the protruding portion 30 can be simply touched to the convex portion 32 of the top surface 31 of the protruding portion 30 without looking at the protruding portion 30. Can be recognized.

  As described above, in the optical information reading apparatus 10 according to the present embodiment, on the action line L of the pressing force that acts on the apparatus main body 11 in response to the pressing operation of the trigger key 21 provided on the back surface 12a of the apparatus main body 11. And the protrusion part 30 formed so that the height from the said surface 13a might become higher than the some information input keys, such as the cross key 22 and the function key 23, on the surface 13a of the apparatus main body 11 is provided. .

Therefore, the thumb operator holding the grip portion 14 of the apparatus main body 11, the projection 30 of the surface 13a of the apparatus main body 11 when pressing the trigger key 21 of the rear surface 12a of the apparatus main body 11 by the index finger F _1, etc. By supporting with F ₂ etc., the pressing force which acts on the apparatus main body 11 by pressing operation can be received reliably by thumb F ₂ etc. which support the protrusion part 30. In particular, the projecting portion 30, because it is higher than the cross key 22 and function keys 23 or the like is provided on the same surface 13a, the thumb F ₂ or the like to support the projection 30 touches the respective keys 22 and 23 It is possible to reliably prevent erroneous input due to.
Therefore, the shake of the apparatus main body 11 due to the pressing operation of the trigger key 21 provided on the back surface 12a of the apparatus main body 11 can be suppressed.

  Further, in the optical information reading apparatus 10 according to the present embodiment, a convex portion 32 is provided at the center of the top surface 31 of the projecting portion 30 so as to project upward from the top surface 31. Thereby, the position of the protrusion part 30 can be recognized only by touching the convex part 32 of the top surface 31 of the protrusion part 30 without visually checking the protrusion part 30.

In addition, this invention is not limited to the said embodiment, You may actualize as follows, and even in that case, an effect | action and effect equivalent to the said embodiment are acquired.
(1) A recess may be formed in the center of the top surface 31 of the protrusion 30 instead of the protrusion 32. Even if it does in this way, the position of the protrusion part 30 can be recognized only by touching the recessed part of the top surface 31 of the protrusion part 30, without visually checking the protrusion part 30. FIG. Further, the convex portion 32 or the concave portion is not limited to being formed at the center of the top surface 31, and may be formed at the peripheral edge portion of the top surface 31, for example.

(2) The trigger key 21 is not limited to be formed so as to protrude outward from the back surface 12a. Usually, the outer surface of the trigger key 21 is located on the same plane as the peripheral back surface 12a, and the pressing operation is performed. Accordingly, the outer surface may be formed to be pushed inward.

It is a figure which shows the structure outline | summary of the optical information reader which concerns on this embodiment, FIG. 1 (A) is a front view, FIG.1 (B) is a side view, FIG.1 (C) is a rear view. It is an enlarged view which expands and shows the protrusion part of FIG. 1 (B). It is explanatory drawing which shows an example of arrangement | positioning of each finger at the time of pressing operation of a trigger key.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Optical information reader 11 ... Exterior case (apparatus main body)
12a ... back side 13a ... front side 21 ... trigger key (reading operation key)
22 ... Cross key (information input key)
23 ... Function key (Information input key)
30 ... Protruding part 32 ... Convex part L ... Action line of pressing force

Claims (2)

An optical information reading device that irradiates light to a reading object separated from the apparatus main body and reads information of the reading object based on the reflected light,
A plurality of information input keys provided on the surface of the apparatus main body and operated when inputting information on the object to be read and information on operation of the optical information reader;
A reading operation key provided on the back surface of the apparatus main body and pressed when irradiating the reading object with light; and
Formed on the surface of the apparatus main body so that the height from the surface is higher than the plurality of information input keys on the surface of the apparatus main body in response to the pressing operation of the reading operation key. A projected portion,
An optical information reading apparatus comprising:   The optical information reader according to claim 1, wherein a convex portion or a concave portion is provided on a top surface of the protruding portion.

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