JP2018011165A - Portable terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a configuration that makes it easy to listen to sound from a loudspeaker even in a case where a member is fitted to a surface on which the loudspeaker is disposed.SOLUTION: A sound guiding part 70 is fitted to a sound emitting port 13 of a loudspeaker 47, the sound guiding part having a sound guiding port 73 that guides sound from the loudspeaker 47 toward a direction along a rear surface 11b in which the sound emitting port 13 is formed. In a grip part 20 fitted to the rear surface 11b so as to cover the sound guiding part 70, an opening 21 opposite the sound guiding port 73 is formed.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a mobile terminal.

  A portable terminal such as a code reader that optically reads an information code or a wireless tag reader that reads a wireless tag by non-contact communication (wireless communication) is equipped with a speaker for performing various notifications by sound to the user. A speaker mounted on such a portable terminal is required to transmit sound (notification sound) that is emitted (sound) to a user easily and efficiently.

  As a technique related to such a speaker, for example, a portable communication terminal disclosed in Patent Document 1 below is known. This portable communication terminal is provided in a form that covers the speaker portion, and is provided with a reverberation member including a reverberation portion and a sound guide portion, and is formed in a hollow portion in which the speaker portion is covered by the reverberation portion and a case back surface portion. The groove portion is covered with a duct portion covered with a sound guide portion. Thereby, since the sound of the speaker part emitted toward the cavity part is emitted from the duct part, the sound from the speaker part is efficiently emitted to the side of the case.

JP 2010-178065 A

  In a portable terminal that makes various notifications using notification sounds from speakers, it is ideal to place a speaker in front of the terminal so that the user can easily hear the notification sounds from the speaker. Since a large LCD screen and a large number of operation buttons are arranged, the speaker is usually arranged on the back surface of the terminal in the same manner as in the configuration of Patent Document 1.

  However, some portable terminals have a large LCD screen and a large number of operation buttons and a gun type that has a separate grip. However, even in such a configuration, the speaker is placed on the back of the terminal for the above reasons. Is done. In such a configuration having the gripping part, there is a case where the speaker is forced to be disposed at a position blocked by the gripping part, which causes a problem that it becomes difficult for the user to hear the notification sound from the speaker.

  The present invention has been made to solve the above-described problems, and the object of the present invention is to make it easier to hear the sound of the speaker even when the assembly member is assembled on the surface on which the speaker is arranged. To provide a configuration.

In order to achieve the above object, the invention described in claim 1 of the scope of claims
A portable terminal (10) in which the sound outlet (13) of the speaker (47) is formed on one surface (11b),
A sound guide section (70, 70a) that is assembled to the sound output opening and that forms sound guide openings (73, 73a, 73b) for guiding the sound from the speaker in the direction along the one surface;
An assembly member (20, 20a) assembled to the one surface so as to cover the sound guide portion;
With
The assembly member is formed with openings (21, 21a, 21b) facing the sound guide ports.
In addition, the code | symbol in each said parenthesis shows the correspondence with the specific means as described in embodiment mentioned later.

  According to the first aspect of the present invention, a sound guide portion is formed in which a sound guide port for guiding the sound from the speaker in a direction along one surface on which the sound output port is formed is assembled to the sound output port of the speaker. The assembly member assembled to the one surface so as to cover the sound guide part has an opening facing the sound guide port.

  As a result, even when the assembly member is assembled to one surface where the sound emission port of the speaker is formed, the sound from the speaker is along the one surface via the sound introduction port of the sound guide unit and the opening of the assembly member. Since it is released, the assembly member does not get in the way and the sound of the speaker can be easily heard.

  In the invention according to claim 2, a plurality of sound guide ports are formed in the sound guide portion, and a plurality of the openings are formed in the assembly member so as to face the plurality of sound guide ports, respectively. As a result, even when sound from the speaker is emitted in a plurality of directions through the sound guide openings and openings along the one surface, it is easy to hear the sound of the speaker without the interference of the assembly member. It is possible to improve convenience with respect to the direction of sound emission.

  In the invention of claim 3, the assembling member is a grip part for a user to grip the portable terminal, and the opening and the sound guide port are formed at positions facing the user who grips the grip part. As a result, even when a grip portion that is relatively large as an assembly member is assembled on the one surface, the sound from the speaker is emitted through the opening and the sound guide port toward the user who grips the grip portion. The user can easily hear the sound of the speaker.

  According to a fourth aspect of the present invention, the assembly member includes a sealing material that seals between the space formed between the one surface and communicating with the sound guide opening and the opening and the other internal space. Provided. As a result, since an opening is formed in the assembly member, even if water or the like enters from the opening, the electronic component accommodated in the other internal space in the assembly member, etc. Waterproofness can be ensured.

It is a side view which shows the portable terminal which concerns on 1st Embodiment. 2A is a plan view of the mobile terminal in FIG. 1, and FIG. 2B is a back view of the mobile terminal in FIG. It is a side view which shows the main-body part which removed the holding part and the radio | wireless communication part from the portable terminal of FIG. 4A is a plan view of the main body portion of FIG. 3, and FIG. 4B is a rear view of the main body portion of FIG. It is the partially expanded sectional view which expands the area | region X of FIG. 6A is a block diagram illustrating the electrical configuration of the electronic device in FIG. 1, and FIG. 6B is a block diagram schematically illustrating the wireless communication module unit in FIG. 6A. FIG. 6C is a block diagram schematically illustrating the information code reading unit in FIG. It is explanatory drawing for demonstrating the sound-conduction part in 1st Embodiment, FIG. 7 (A) shows a top view and FIG. 7 (B) shows a side view. It is explanatory drawing explaining the state by which the sound guide part was assembled | attached with respect to the sound emission opening. It is explanatory drawing explaining the positional relationship of the holding | gripping part single-piece | unit and sound guide part in 1st Embodiment. It is explanatory drawing explaining the positional relationship of the holding | gripping part single-piece | unit and sound guide part in 2nd Embodiment. It is explanatory drawing for demonstrating the sound-conduction part in 2nd Embodiment, FIG. 11 (A) shows a top view and FIG. 11 (B) shows a side view.

[First Embodiment]
Hereinafter, a first embodiment in which a portable terminal according to the present invention is embodied will be described with reference to the drawings.
The mobile terminal 10 according to the present embodiment is configured as an information reading device that is carried by a user and reads predetermined information at various places, and uses a radio tag (RFID tag) via radio waves transmitted and received via an antenna unit. In addition to the function as a wireless tag reader that reads information stored in (), it also has a function as an information code reader that optically reads information codes such as barcodes and two-dimensional codes, and can be read in two ways It has become.

  As shown in FIG. 1 and FIG. 2, the mobile terminal 10 has a casing formed of a casing made of a synthetic resin material such as ABS resin, and a main body 11 and a gripping part assembled to the main body 11. 20 and a wireless communication unit 30. On the front surface 11a of the main body 11, a part of the key operation unit 45 such as a function key and a numeric key operated when inputting predetermined information, a display unit 44 for displaying predetermined information, and the like are arranged. ing. A reading port 12 for taking in reflected light from the information code is provided at the end of the main body 11 on the reading side (left side in FIG. 1).

  As shown in FIGS. 3 and 4, the mobile terminal 10 is configured to be able to read the information code and the wireless tag even with the main body 11 alone from which the grip 20 and the wireless communication unit 30 are removed. In this configuration, as can be seen from FIG. 4B, the sound emission opening 13 of the speaker 47 (described later) provided near the center of the back surface 11b of the main body 11 is exposed. The main body 11 has a waterproof structure with respect to the sound emission port 13 and the like, and is waterproof not only for the portable terminal 10 in which the grip 20 and the wireless communication unit 30 are assembled to the main body 11 but also for the main body 11 alone. It has sex.

  The grip part 20 is assembled so as to cover the sound emission port 13 and a sound guide part 70 to be described later with respect to the center part of the back surface 11b with the cover 14 covering a part of the back surface 11b of the main body part 11 being removed. ing. On the outer surface of the grip 20, a trigger switch 45 a that is operated when starting a reading process for a wireless tag or the like is disposed near the back surface 11 b and facing the wireless communication unit 30. And the board | substrate for trigger switch 45a, various components, etc. are accommodated in the inside of the holding part 20. FIG. Further, as shown in FIG. 5, an opening 21 is formed at a position on the outer surface of the gripper 20 that is opposite to the trigger switch 45 a, that is, a position toward the user gripping the gripper 20. . The detailed shape and the like of the opening 21 will be described later. The back surface 11b may correspond to an example of “one surface”, and the grip portion 20 may correspond to an example of “an assembly member”.

  The wireless communication unit 30 is for increasing the output of the transmission radio wave, and is assembled on the reading side of the back surface 11 b of the main body unit 11 so as to be positioned below the reading port 12. The wireless communication unit 30 is configured such that a part of the function of the wireless communication module unit 52 described later is accommodated therein.

Next, the electrical configuration of the mobile terminal 10 will be described with reference to FIGS.
The main body unit 11 includes a control unit 41 that controls the entire mobile terminal 10. The control unit 41 is configured mainly with a microcomputer, has a CPU, a system bus, an input / output interface, and the like, and constitutes an information processing apparatus together with the memory 42. Further, as shown in FIG. 6A, a light emitting unit 43, a display unit 44, a key operation unit 45, a vibrator 46, a speaker 47, an external interface 48, and the like are connected to the control unit 41.

  The key operation unit 45 includes a trigger switch 45a, a numeric keypad, and the like, and is configured to give an operation signal corresponding to the operation to the control unit 41. The control unit 41 receives the operation signal and receives an operation signal. Perform actions according to the content. The light emitting unit 43 is, for example, an LED, and is configured to light up and blink in accordance with control by the control unit 41. The display unit 44 is configured by a known liquid crystal display (LCD), and display contents are controlled in accordance with control by the control unit 41. The vibrator 46 is configured by a known vibrator mounted on a portable device, and is configured to generate vibration in accordance with control by the control unit 41. The speaker 47 is configured by a known speaker, and emits (sounds) a predetermined sound such as a sound or an alarm sound set in advance according to control by the control unit 41 through the sound output port 13. It is configured. The external interface 48 is configured as an interface for performing data communication with an external device or the like, and is configured to perform communication processing in cooperation with the control unit 41. In addition, a power supply unit 49 is provided in the housing of the main body unit 11, and power is supplied to the control unit 41 and various electric components by the power supply unit 49 and the battery 49a.

In addition, a wireless communication module unit 52 and an information code reading unit 60 are connected to the control unit 41.
The wireless communication module unit 52 performs electromagnetic wave communication with the wireless tag T in cooperation with the antenna unit 51 and the control unit 41, reads data stored in the wireless tag T, or stores data for the wireless tag T. It functions to perform writing. The wireless communication module unit 52 is configured as a circuit board on which circuit elements and the like for performing transmission using a known radio wave system are mounted. As schematically shown in FIG. A receiving circuit 54, a matching circuit 55, and the like.

  The transmission circuit 53 includes a carrier oscillator, an encoding unit, an amplifier, a transmission unit filter, a modulation unit, and the like, and is configured to output a carrier (carrier wave) having a predetermined frequency from the carrier oscillator. The encoding unit is connected to the control unit 41, encodes transmission data output from the control unit 41, and outputs the encoded transmission data to the modulation unit. The modulation unit is a part to which the carrier (carrier wave) from the carrier oscillator and the transmission data from the encoding unit are input. The carrier (carrier wave) output from the carrier oscillator is encoded at the time of command transmission to the communication target. A modulated signal that is ASK (Amplitude Shift Keying) modulated by the encoded transmission code (modulated signal) output from the encoding unit is generated and output to the amplifier. The amplifier amplifies the input signal (the modulated signal modulated by the modulation unit) with a predetermined gain, and outputs the amplified signal to the transmission unit filter. The transmission unit filter filters the amplified signal from the amplifier. The transmission signal is output to the antenna unit 51 via the matching circuit 55. When a transmission signal is output to the antenna unit 51 in this way, the transmission signal is radiated to the outside from the antenna unit 51 as a transmission radio wave.

  On the other hand, the response signal received by the antenna unit 51 is input to the receiving circuit 54 via the matching circuit 55. The receiving circuit 54 includes a receiving unit filter, an amplifier, a demodulating unit, a binarization processing unit, a decoding unit, and the like, and the response signal received via the antenna unit 51 is filtered by the receiving unit filter. Thereafter, the signal is amplified by an amplifier, and the amplified signal is demodulated by a demodulator. Then, the demodulated signal waveform is binarized by the binarization processing unit, decoded by the decoding unit, and then the decoded signal is output to the control unit 41 as reception data.

  The information code reading unit 60 functions to optically read the information code. As shown in FIG. 6C, the light receiving sensor 63 including a CCD area sensor, an imaging lens 62, and a plurality of LEDs. And an illumination unit 61 including a lens and the like, and in cooperation with the control unit 41, the information code C (bar code or two-dimensional code) attached to the reading object R is read. Function.

  When reading is performed by the information code reading unit 60, first, the illumination light Lf is emitted from the illumination unit 61 instructed by the control unit 41, and the illumination light Lf is irradiated to the reading object R through the reading port 12. The The reflected light Lr reflected by the information code C from the illumination light Lf is taken into the apparatus through the reading port 12 and is received by the light receiving sensor 63 through the imaging lens 62. The imaging lens 62 disposed between the reading port 12 and the light receiving sensor 63 is configured to form an image of the information code C on the light receiving sensor 63, and the light receiving sensor 63 is an image of the information code C. The light reception signal corresponding to the is output. The light reception signal output from the light reception sensor 63 is stored in the memory 42 as image data, and is used for decoding processing for obtaining information included in the information code C. The information code reading unit 60 is provided with an amplification circuit that amplifies the signal from the light receiving sensor 63, an AD conversion circuit that converts the amplified signal into a digital signal, and the like. Is omitted.

Next, the detailed shape and the like of the grip portion 20 will be described in detail with reference to FIGS. 5 and 7 to 9.
As shown in FIG. 5, the grip portion 20 is assembled to the back surface 11 b of the main body portion 11 so as to cover the sound guide portion 70 assembled to the sound emission port 13.

  As shown in FIGS. 7A and 7B, the sound guide unit 70 includes a base 71 and a top plate 72. The base 71 is made of, for example, an elastic material such as a rubber material, and is formed so as to cover three directions along the back surface 11b with respect to the sound emission opening 13 by a concave notch 71a (FIG. 8). reference). For this reason, the notch 71 a is formed to be larger than the sound emission opening 13. The top plate portion 72 is formed of a rectangular flat plate made of synthetic resin or the like, and is fixed to the base portion 71 by adhesion or the like so as to cover the notch 71a from above. Note that the sound guide portion 70 may be formed so that the base portion 71 and the top plate portion 72 are integrated by an elastic material, a synthetic resin, or the like.

  As shown in FIGS. 5 and 8, the sound guide portion 70 configured in this way is a back surface around the sound emission port 13 so that the top plate portion 72 faces the sound emission port 13 surrounded by the notch 71 a. 11b. In particular, in the sound guide part 70, the opening formed by the notch 71 a, the top plate part 72, and the back surface 11 b (hereinafter also referred to as the sound guide port 73) is an opening that continues to the sound output port 13. It is arrange | positioned so that it may go to the user who hold | grips.

  As shown in FIG. 5, the opening 21 provided in the grip portion 20 is arranged to face the user who grips the grip portion 20. The opening 21 is formed in a rectangular shape so that the length (width) in the direction along the back surface 11b is longer than the length (height) in the direction orthogonal to the back surface 11b. By arranging the opening 21 in this way, the opening 21 faces the sound introduction port 73 when the gripping part 20 is assembled to the back surface 11b. Here, the facing of the opening and the sound introduction port is not only a positional relationship in which at least a part of the sound introduction port can be visually recognized through the opening when the opening and the sound introduction port face the surface, but also the sound introduction port. In addition, the positional relationship between the opening and the sound introduction port is also included such that the sound emitted along the back surface 11b is emitted from the opening with little reflection. For this reason, the sound from the speaker 47 via the sound emission port 13 is guided to the user via the sound introduction port 73 and the opening 21 along the back surface 11b (see arrow F1 in FIG. 5).

  As can be seen from FIG. 9, a waterproof sealing material 22 is provided between the upper portion of the grip portion 20, the back surface 11 b, and the sound guide portion 70. The sealing material 22 is configured by a rib 23 and the like provided on the upper portion of the grip 20, the back surface 11 b, and the sound guide portion 70, and is a space (hereinafter also referred to as a sound guide space S 1) that communicates with the sound guide port 73 and the opening 21. ) And the other internal space (hereinafter also referred to as an internal space S2) in which the electronic component including the board for the trigger switch 45a is accommodated is arranged in an annular shape so as to be sealed Has been. In FIG. 9, illustration of electronic components and the like housed in the internal space S <b> 2 is omitted for convenience.

  As described above, in the mobile terminal 10 according to the present embodiment, the sound from the speaker 47 is guided to the sound outlet 13 of the speaker 47 in a direction along the back surface 11b where the sound outlet 13 is formed. The sound guide portion 70 in which the sound guide port 73 is formed is assembled, and the opening 21 facing the sound guide port 73 is formed in the grip portion 20 that is assembled to the back surface 11 b so as to cover the sound guide portion 70. Is formed.

  As a result, even when the grip portion 20 is assembled to the back surface 11 b where the sound emission port 13 of the speaker 47 is formed, the sound from the speaker 47 passes through the sound introduction port 73 of the sound guide portion 70 and the opening 21 of the grip portion 20. Thus, the sound is emitted along the back surface 11b, so that the user who holds the grip 20 can easily hear the sound of the speaker 47 without the grip 20 being in the way.

  In particular, the grip portion 20 includes a sealing material 22 configured by the back surface 11b and sealing between the sound guide space S1 and the internal space S2 which communicates with the sound guide port 73 and the opening 21. It is provided between the sound part 70. Thereby, even if water or the like enters from the opening 21 because the opening 21 is formed in the gripping part 20, the electronic part or the like housed in the internal space S2 in the gripping part 20 can be used. Waterproofing can be ensured.

[Second Embodiment]
Next, a portable terminal according to a second embodiment of the present invention will be described using FIG. 10 and FIG.
The second embodiment is mainly different from the first embodiment in that sound from the speaker 47 is emitted in a plurality of directions along the back surface 11b of the main body 11. For this reason, substantially the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the present embodiment, as shown in FIG. 10, a grip 20 a and a sound guide 70 a are employed instead of the grip 20 and the sound guide 70 described above. As shown in FIGS. 10 and 11, the sound guide portion 70 a is configured to be fixed to the top plate portion 72 so that two longitudinal base portions 74 a and 74 b face each other in parallel via the sound emission port 13. Has been. The sound guide portion 70a configured in this way is provided on the back surface 11b such that the base portion 74a and the base portion 74b are opposed to the back surface 11b of the main body portion 11 on the user side and the reading port 12 side through the sound output port 13. Assembled into. The base portion 74a and the base portion 74b may be made of an elastic material such as a rubber material, like the base portion 71, or may be made of a double-sided tape having a predetermined thickness. Further, the sound guide portion 70a may be formed such that the base portion 74a, the base portion 74b, and the top plate portion 72 are integrated with each other by an elastic material or a synthetic resin.

  For this reason, in the sound guide portion 70a, the two sound guide ports 73a and 73b configured by the base portion 74a and the base portion 74b, the top plate portion 72, and the back surface 11b are opposed to each other in the longitudinal direction of the base portion 74a and the base portion 74b. Placed in.

  The holding portion 20a is provided with two openings 21a and 21b. When assembled to the back surface 11b, the opening 21a faces the sound guide port 73a and the opening 21b faces the sound guide port 73b. Is arranged.

  Then, the sound from the speaker 47 through the sound emission port 13 is emitted along the back surface 11b through the sound introduction port 73a and the opening 21a (see arrow F2a in FIG. 10), and the sound is guided along the back surface 11b. It is discharged through the opening 73b and the opening 21b (see arrow F2b in FIG. 10).

  Thus, in the portable terminal 10 according to the present embodiment, the sound guide portion 70a is formed with the two sound guide ports 73a and 73b, and the grip portion 20a is opposed to the sound guide ports 73a and 73b, respectively. Thus, two openings 21a and 21b are formed. Accordingly, even when the sound from the speaker 47 is emitted in the reverse direction along the back surface 11b through the sound guide ports 73a and 73b and the openings 21a and 21b, the grip portion 20a is not obstructed. The sound of the speaker 47 can be made easy to hear, and the convenience with respect to the sound output direction can be improved.

  Note that the sound guide unit according to the present embodiment is not limited to being configured to emit the sound from the speaker 47 in the reverse direction along the back surface 11b like the sound guide unit 70a, but for example, in the above reverse direction. You may be comprised so that discharge | releases in multiple directions, such as 3 directions which added the user direction. That is, a plurality of sound introduction openings (73a, 73b, etc.) are formed in the sound introduction section 70a, and a plurality of openings (21a, 21b, etc.) are formed in the grip section 20a so as to face the plurality of sound introduction openings, respectively. can do. Even in this case, when the sound from the speaker 47 is emitted in a plurality of directions along the back surface 11b through the sound guide openings and openings, the sound of the speaker 47 is not obstructed. Can be made easier to hear, and the convenience of the sound emission direction can be improved.

In addition, this invention is not limited to said each embodiment, For example, you may actualize as follows.
(1) The present invention is not limited to being applied to a configuration in which the gripping portions 20 and 20a that are relatively large as an assembly member are assembled to the back surface 11b on which the sound emission port 13 is formed. And other assembly members such as a shock mitigating protector may be applied. Other assembly members and gripping portions 20 and 20a can be configured to be detachable from the back surface 11b. Even in this case, other sound guides 70 and 70a are installed so as to cover the sound outlet 13 so that the sound from the speaker 47 is guided by the sound guides 73, 73a and 73b in the direction along the back surface 11b. When the assembly member is assembled, by arranging the openings provided in the other assembly members so as to face the sound guide ports 73, 73a, 73b, the sound of the speaker 47 is given to the user as described above. It can be easy to hear.

  Further, the mobile terminal 10 to which the assembly member is assembled as described above is not limited to being configured to have both a function as a wireless tag reader and a function as an information code reader, and may have either function. You may be comprised, and you may be comprised so that another function may be combined. Even if it does in this way, an assembly member is formed in the one side in which the sound emission opening of a speaker is formed by forming the opening which opposes a sound introduction opening in the assembly member assembled so that a sound introduction part may be covered as mentioned above. Even when assembled, the assembly member does not get in the way and the sound of the speaker can be easily heard.

(2) In the first embodiment, the grip 20 and the sound guide 70 are not limited to be formed so that sound from the speaker 47 is emitted toward the user who grips the grip 20, You may form so that it may discharge | release toward the predetermined direction according to utilization environment. In this case, the sound guide portion 70 is assembled to the back surface 11 b so that the sound guide port 73 is directed in the predetermined direction, and the opening 21 is formed in the grip portion 20 so as to face the sound guide port 73.

DESCRIPTION OF SYMBOLS 10 ... Portable terminal 11 ... Main-body part 11b ... Back side (one side)
13 ... Sound outlet 20, 20a ... Grasping part (assembly member)
21, 21 a, 21 b... Opening 70, 70 a... Sound introduction part 47.

Claims (4)

A portable terminal in which the sound outlet of the speaker is formed on one side,
A sound guide part that is assembled to the sound output port and that forms a sound guide port that guides the sound from the speaker in a direction along the one surface;
An assembly member assembled to the one surface so as to cover the sound guide portion;
With
An opening that faces the sound guide port is formed in the assembly member. A plurality of the sound guide ports are formed in the sound guide portion,
The mobile terminal according to claim 1, wherein the assembly member includes a plurality of the openings facing the plurality of sound introduction ports. The assembly member is a gripping part for a user to grip the mobile terminal,
The portable terminal according to claim 1, wherein the opening and the sound guide port are formed at positions facing the user who holds the grip portion.   The assembly member is provided with a sealing material between the one surface, which is configured by the one surface and seals between the space that communicates with the sound guide port and the opening and another internal space. The mobile terminal according to any one of claims 1 to 3.

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