KR20200070995A - Device case with speaker - Google Patents

Abstract

An embodiment of the present disclosure provides a device case capable of improving the quality of output sound. According to some embodiments of the present disclosure, the device case with an accommodation space capable of accommodating a device comprises: a protection plate having a first sound output unit embedded therein, and covering at least one region of the rear surface of the device; a first side frame which covers at least a part of the lower side of the device, has a connection terminal connected to a port provided on the lower side surface of the device, and has a second sound output unit which is embedded therein and different from the first sound output unit; a second side frame which covers at least one side of the device and is coupled to the first side frame; and a control unit which is embedded in the first side frame or the protection plate and controls the operations of the first sound output unit and the second sound output unit. The first side frame and the protection plate can be integrally formed and the second side frame can be detachably attached to the first side frame.

Description

DEVICE CASE WITH SPEAKER

The present disclosure relates to a device case having a speaker, and more particularly, to a device case having a plurality of sound output units to which a mobile terminal or an auxiliary battery can be mounted.

Terminals can be divided into mobile terminals (mobile/portable terminals) and stationary terminals according to their mobility. Again, the mobile terminal may be divided into a handheld terminal and a vehicle mounted terminal according to whether the user can carry it directly.

In particular, there is an increasing need for protecting mobile devices from internal parts or appearance. In some cases, the protection of the mobile terminal requires not only the rear side of the mobile terminal, but also the side and front sides. Therefore, users of mobile terminals frequently use shock-proof cases.

On the other hand, it is currently becoming common for smartphones that are routinely carried and used to be mounted on a case to protect devices, and technologies incorporating speaker functions into such phone cases are currently being actively developed. Registered Patent Publication No. 10-1517801 "Flip case with speaker function and smart phone having the same", Patent Publication No. 10-2015-0085673 "Mobile phone sound case with speaker", registered utility model Publication No. 20-0387446 "a speaker combined case" and the like have been devised.

Republic of Korea Registered Patent Publication No. 10-1517801 Republic of Korea Patent Publication No. 10-2015-0085673 Republic of Korea Utility Model Registration No. 20-0387446

The present disclosure has been devised in correspondence with the background art described above, and is intended to provide a terminal case having a plurality of sound output units.

The technical problems of the present disclosure are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to some embodiments of the present disclosure for solving the problems as described above, a device case having an accommodation space capable of accommodating a device includes a first sound output unit and covers at least one area of a rear surface of the device. Protective plate; A first side frame covering at least a part of the lower side of the device and having a connection terminal connected to a port provided on the lower side of the device and having a second sound output unit different from the first sound output unit; A second side frame covering at least one side of the device and engaging with the first side frame; And a control unit built in the first side frame or the protection plate, and controlling operations of the first sound output unit and the second sound output unit. Including, the first side frame and the protective plate are integrally formed, the second side frame may be detachable to the first side frame.

According to some embodiments of the present disclosure, the control unit of the device case receives sound data from the mobile terminal through the connection terminal when it is recognized that the device accommodated in the accommodation space is a mobile terminal, and the received The first sound output unit and the second sound output unit may be controlled to output sound corresponding to sound data.

According to some embodiments of the present disclosure, the control unit of the device case, when the port provided on the lower side of the device is connected to the connection terminal as the device is accommodated in the accommodation space, the type of the device When a first signal for checking is transmitted to the device through the connection terminal, and a second signal corresponding to the first signal is received from the device through the connection terminal within a predetermined time, the receiving space It can be recognized that the accepted device is the mobile terminal.

According to some embodiments of the present disclosure, when the control unit, the first sound output unit, and the second sound output unit of the device case, the port provided on the lower side of the mobile terminal is connected to the connection terminal, Power may be supplied from the mobile terminal through the connection terminal.

The device case according to some embodiments of the present disclosure may further include a wireless communication unit connecting wireless communication with the mobile terminal.

The control unit of the device case according to some embodiments of the present disclosure, when it is recognized that the device accommodated in the accommodation space is an auxiliary battery, activates the wireless communication unit to receive sound data from the mobile terminal through the wireless communication unit , The first sound output unit and the second sound output unit may be controlled to output sound corresponding to the received sound data.

When the device is accommodated in the accommodation space of the device case according to some embodiments of the present disclosure and the port provided on the lower surface of the device is connected to the connection terminal, the first signal confirming the type of the device is After transmitting the first signal to the device through the connection terminal and transmitting the first signal to the device through the connection terminal, a second signal corresponding to the first signal from the device is set through the connection terminal within a preset time. If not received, it may be recognized that the device accommodated in the accommodation space is the auxiliary battery.

The first side frame of the device case according to some embodiments of the present disclosure includes a switch for moving a position to a first position or a second position by a user's manipulation, and the control unit includes: When located in a position, the wireless communication unit is activated, and when the switch is located in the second position, the wireless communication unit may be deactivated.

The control unit of the device case according to some embodiments of the present disclosure is configured to receive sound data from the mobile terminal when the switch is located in the first position and the wireless communication unit is activated and wireless communication is connected to the mobile terminal. The first sound output unit and the second sound output unit may be controlled to control the wireless communication unit and output sound corresponding to the received sound data.

The control unit of the device case according to some embodiments of the present disclosure, when the switch is located in the second position and the wireless communication unit is deactivated, receives sound data from the mobile terminal through the connection terminal, and receives the The first sound output unit and the second sound output unit may be controlled to output sound corresponding to the generated sound data.

The wireless communication unit, the control unit, the first sound output unit and the second sound output unit of the device case according to some embodiments of the present disclosure, the port provided on the lower side of the auxiliary battery is connected to the connection terminal In this case, power may be supplied from the auxiliary battery through the connection terminal.

The second side frame of the device case according to some embodiments of the present disclosure has a'c' shape, has a first coupling portion including a first coupling hole at one end, and a second coupling hole at the other end It has a second engaging portion comprising a, the first side frame, the first engaging portion can be inserted into the first groove portion and the second engaging portion can be inserted into the second groove portion, the first groove The portion may include a first protrusion that can be inserted into the first coupling hole, and the second groove portion may include a second protrusion that can be inserted into the second coupling hole.

The first side frame of the device case according to some embodiments of the present disclosure may include the second side frame as the first protrusion is inserted into the first coupling hole and the second protrusion is inserted into the second coupling hole. Can be combined with

The first sound output unit of the device case according to some embodiments of the present disclosure may be a piezo speaker or a bone conduction speaker, and the second sound output unit may be a speaker for bass.

The technical solutions that can be obtained in the present disclosure are not limited to the above-mentioned solutions, and other solutions that are not mentioned are clearly understood by those skilled in the art from the description below. Will be understandable.

The device case having a plurality of sound output units according to the present disclosure not only improves the quality of the output sound, but also simultaneously provides the functions of the device case and a composite speaker to increase utilization and reduce consumer product purchase costs. .

The effects obtainable in the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those skilled in the art from the following description. .

Various aspects are now described with reference to the figures, in which like reference numerals are used collectively to refer to similar elements. In the following embodiments, for illustrative purposes, a number of specific details are presented to provide a holistic understanding of one or more aspects. However, it will be apparent that such aspect(s) may be practiced without these specific details.
1 is a block diagram illustrating a device case according to some embodiments of the present disclosure.
2 is a conceptual view looking at an example of a device case according to some embodiments of the present disclosure in one direction.
3 is a view for explaining an example of the coupling structure of the first side frame and the second side frame of the device case according to some embodiments of the present disclosure.
4 is a view for explaining an example of a switch provided in the device case according to some embodiments of the present disclosure.
5 is a view for explaining an example of a method for outputting sound in a device case according to some embodiments of the present disclosure.
6 is a view for explaining an example of a method for confirming the type of device accommodated in the accommodation space in the device case according to some embodiments of the present disclosure.
7 is a view for explaining another example of a method for outputting sound in a device case according to some embodiments of the present disclosure.

Various embodiments and/or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, a number of specific details are disclosed to assist in the overall understanding of one or more aspects. However, it will also be appreciated by those skilled in the art of the present disclosure that this aspect(s) can be practiced without these specific details. The following description and the annexed drawings set forth in detail certain illustrative aspects of the one or more aspects. However, these aspects are exemplary and some of the various methods in the principles of the various aspects may be used, and the descriptions described are intended to include all such aspects and their equivalents. Specifically, "an embodiment", "example", "a good", "an example", etc., as used herein is not to be construed as any aspect or design described being better or more advantageous than another aspect or designs. It may not.

Hereinafter, the same or similar components are assigned the same reference numbers regardless of the reference numerals, and overlapping descriptions thereof are omitted. In addition, in the description of the embodiments disclosed herein, when it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed herein, detailed descriptions thereof are omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical spirit disclosed herein is not limited by the accompanying drawings.

Although the first, second, etc. are used to describe various elements or components, it goes without saying that these elements or components are not limited by these terms. These terms are only used to distinguish one element or component from another element or component. Therefore, it goes without saying that the first element or component mentioned below may be the second element or component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. In addition, terms defined in the commonly used dictionary are not ideally or excessively interpreted unless specifically defined.

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or”. That is, unless specified otherwise or unclear in context, "X uses A or B" is intended to mean one of the natural inclusive substitutions. That is, X uses A; X uses B; Or, if X uses both A and B, "X uses A or B" can be applied in either of these cases. It should also be understood that the term “and/or” as used herein refers to and includes all possible combinations of one or more of the listed related items.

Also, the terms “comprises” and/or “comprising” mean that the feature and/or component is present, but excludes the presence or addition of one or more other features, elements, and/or groups thereof. It should be understood as not. In addition, unless otherwise specified or contextually unclear as indicating a singular form, the singular in the specification and claims should generally be construed to mean "one or more."

In addition, the terms "information" and "data" as used herein can often be used interchangeably with each other.

When a component is said to be "connected" or "connected" to another component, it is understood that other components may be directly connected or connected to the other component, but other components may exist in the middle. It should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that no other component exists in the middle.

The suffixes "modules" and "parts" for components used in the following description are given or mixed only considering the ease of writing the specification, and do not have meanings or roles that are distinguished from each other.

Elements or layers, referred to as "on" or "on" of another component or layer, refer to the other layer or other component in the middle, as well as directly above the other component or layer. Include all intervening cases. On the other hand, when a component is referred to as “directly on” or “directly above”, it indicates that no other component or layer is interposed in the middle.

The spatially relative terms “below”, “beneath”, “lower”, “above”, “upper”, etc., are as shown in the figure. It can be used to easily describe a correlation with a component or other components. The spatially relative terms should be understood as terms including different directions of the device in use or operation in addition to the directions shown in the drawings.

For example, when a component shown in the drawing is turned over, a component described as "below" or "beneath" of another component will be placed "above" another component. Can be. Accordingly, the exemplary term “below” can include both the directions below and above. Components can also be oriented in different directions, and thus spatially relative terms can be interpreted according to orientation.

The objectives and effects of the present disclosure, and technical configurations for achieving them, will be apparent with reference to embodiments described below in detail together with the accompanying drawings. In describing the present disclosure, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present disclosure, the detailed description will be omitted. And terms to be described later are terms defined in consideration of functions in the present disclosure, which may vary according to a user's or operator's intention or practice.

However, the present disclosure is not limited to the embodiments disclosed below, and may be implemented in various different forms. Only the present embodiments are provided to make the present disclosure complete, and to fully inform the person of ordinary skill in the art to which the present disclosure belongs, the present disclosure is only defined by the scope of the claims. . Therefore, the definition should be made based on the contents throughout this specification.

The device case 100 according to some embodiments of the present disclosure may be a case that has an accommodation space capable of accommodating the device therein and can protect the device from external forces. Therefore, when the device is accommodated in the device case 100, the device may be protected from external forces. In addition, the device case 100 may include a plurality of sound output units to receive sound data from a mobile terminal and output sound corresponding to the sound data.

The device that can be accommodated in the device case 100 may be a mobile terminal or an auxiliary battery. Here, the mobile terminal may include a mobile phone, a smart phone, a terminal for digital broadcasting, a personal digital assistants (PDA), a portable multimedia player (PMP), a tablet PC, and the like. However, the present invention is not limited thereto, and various devices may be accommodated in the accommodation space of the device case 100.

1 is a block diagram illustrating a device case according to some embodiments of the present disclosure.

Referring to FIG. 1, the device case 100 includes a wireless communication unit 110, an interface unit 120, a user input unit 130, a first sound output unit 140, a second sound output unit 150, and a control unit ( 160). The components shown in FIG. 1 are not essential for implementing the device case 100, so the device case 100 described herein may have more or fewer components than those listed above. have.

More specifically, among the above components, the wireless communication unit 110 may enable wireless communication between the mobile terminal and the device case 100.

The wireless communication unit 110 may be built in or external to the device case 100. The wireless communication unit 110 may be configured to transmit and receive wireless signals from a mobile terminal in a communication network according to wireless Internet technologies.

Wireless Internet technologies include, for example, WLAN (Wireless LAN), Wi-Fi (Wireless-Fidelity), Wi-Fi (Wireless Fidelity) Direct, DLNA (Digital Living Network Alliance), WiBro (Wireless Broadband), WiMAX (World) Interoperability for Microwave Access (HSDPA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), Long Term Evolution-Advanced (LTE-A), and wireless communication unit 110 Is capable of transmitting and receiving data according to at least one wireless Internet technology in a range including the Internet technology not listed above.

Meanwhile, the wireless communication unit 110 may perform short range communication. Short-range communication technologies include Bluetooth™, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), and Wireless-Fidelity (Wi-Fi) ), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology may be used. However, the present invention is not limited thereto, and the wireless communication unit 110 may receive data from the mobile terminal through short-range communication technology not listed above.

The interface unit 120 may serve as a passage with various types of external devices connected to the device case 100. The interface unit 120 includes a wired/wireless headset port, an external charger port, a wired/wireless data port, a connection terminal receiving data and power from a device accommodated in the device case 100, audio It may include at least one of an input/output (I/O) port and an earphone port.

The user input unit 130 may receive a user operation for activating or deactivating the wireless communication unit 110 by the user's operation. In this case, the control unit 160 may control the wireless communication unit 110 so that the wireless communication unit 110 is activated or deactivated by the user's manipulation input to the user input unit 130.

Specifically, the user input unit 130 may include mechanical (mechanical) input means (or buttons, switches, etc. located on the front or rear or side of the device case 100).

For example, the device case 100 may include a switch capable of moving a position to a first position or a second position on one side. The wireless communication unit 110 may be activated when the switch is located in the first position, and the wireless communication unit 110 may be deactivated when the switch is located in the second position.

The first sound output unit 140 and the second sound output unit 150 may output sound corresponding to sound data received from the mobile terminal.

The first sound output unit 140 may be embedded in a protective plate that covers the rear surface of the device accommodated in the device case. The first sound output unit 140 may output a medium/high-range sound (for example, a sound having a mid-range 100Hz to 1KHz sound range, and a high-range 1KHz to 16KHz sound range). It may be a speaker or a bone conduction speaker.

The first sound output unit 140 may be connected to a high pass filter, or a high pass filter may be built in the first sound output unit 140. Therefore, the first sound output unit 140 may output sound in the middle/high range.

The first sound output unit 140 may have a flat plate shape. Detailed description thereof will be described later in FIG. 2.

The second sound output unit 150 may be embedded in the first side frame covering at least a portion of the lower side of the device accommodated in the device case. The second sound output unit 150 may be a low-pitched speaker (for example, a woofer or a dynamic woofer) capable of outputting a low-range sound (for example, a sound having a low-range 30 Hz to 100 Hz range). have. However, the present invention is not limited thereto, and the second audio output unit 150 may include a receiver, a speaker, and a buzzer.

The second sound output unit 150 may be connected to the low-pass filter, or the second sound output unit 150 may be equipped with a low-pass filter. Accordingly, the second sound output unit 150 may output sound in a low range.

When the first sound output unit 140 and the second sound output unit 150 receive sound data from the mobile terminal, the sound of the audible frequency is output by crossing over the sound of the middle/high and low ranges. You can make it possible to play almost any full range. Therefore, the quality of the output sound can be improved.

In addition, the device case 100 not only protects the accommodated device from external force, but also includes a plurality of sound output units 140 and 150 to provide the function of the speaker. Therefore, the utilization of the case can be increased, and the consumer's product purchase cost can be reduced.

The control unit 160 may be implemented to control the overall operation of the device case 100. The control unit 160 may perform various operations performed in the device case 100 and process data.

The control unit 160 includes a central processing unit (CPU), a co-processor, an arithmetic processing unit (APU), a digital signal processor (DSP), an application processor (Application) Processor (AP) and a communication processor (Communication Processor; CP).

The control unit 160 may be embedded in the first side frame or the protection plate of the device case 100.

2 is a conceptual view looking at an example of a device case according to some embodiments of the present disclosure in one direction.

Referring to FIG. 2, the device case 100 may be formed in a rectangular cross-sectional shape. However, the shape of the device case 100 is not limited thereto.

The device case 100 may include an accommodation space A for accommodating the device.

The device accommodated in the accommodation space A may be a mobile phone, a smart phone, a personal digital assistants (PDA), a portable multimedia player (PMP), a tablet PC (tablet PC), an auxiliary battery, and the like. However, this is only an example and is not limited thereto.

The device case 100 may include a first side frame 101 that covers at least a portion of a lower side of the device accommodated in the accommodation space A.

* The device case 100 may include a second side frame 102 that covers at least one side of the device accommodated in the accommodation space A (for example, three sides except for the lower side).

The device case 100 may include a protection plate 103 covering at least one area of the rear surface of the device accommodated in the accommodation space A.

The first side frame 101 and the protection plate 103 may be integrally formed. However, it is not limited thereto.

The first side frame 101 and the second side frame 102 may be detachable from each other. This will be described later in more detail with reference to FIG. 3.

The first side frame 101, the second side frame 102 and the protective plate 103 are formed by injecting synthetic resin or metal, for example, stainless steel (STS), aluminum (Al), titanium (Ti), etc. It may be formed of. However, the present invention is not limited thereto, and the first side frame 101, the second side frame 102 and the protection plate 103 may be formed using various materials.

The protection plate 103 may include an opening for exposing the rear camera of the device accommodated in the accommodation space A to the outside.

The protection plate 103 may have an internal space in which the first sound output unit 140 can be built. Therefore, the first sound output unit 140 may be built in the inner space of the protection plate 103.

The first sound output unit 140 may have a flat plate shape. That is, the first sound output unit 140 may be of a size that is disposed in the entire area of the protection plate 103 or may be of a size that is disposed in one area of the protection plate 103.

A second sound output unit 150 may be built in the first side frame 101. A plurality of sound holes 151 for emitting sound generated in the first side frame 101 may be formed in the first side frame 101. However, the present invention is not limited to this, and the sound may be configured to be emitted along an assembly gap between structures. In this case, the appearance of the device case 100 can be made simpler because the holes formed independently for the sound output are not visible or hidden. That is, the aesthetics of the device case 100 may be improved.

As described above, as the first sound output unit 140 and the second sound output unit 150 are embedded in the device case 100, the device case may function as a minimalist composite speaker, and may be used with a mid/high range. It is possible to cross-over the sound of the low-range sound and output it so that almost all full ranges of the audible frequency can be reproduced. Therefore, the quality of the output sound can be improved.

The first side frame 101 may include a connection terminal 121 connected to a port provided on a lower side of a device (eg, a mobile terminal or an auxiliary battery) accommodated in the accommodation space A. Accordingly, when the device is accommodated in the accommodation space A, the port of the device can be connected to the connection terminal 121.

According to some embodiments, the wireless communication unit 110, the first sound output unit 140, the second sound output unit 150, and the control unit 160 are connected to the connection terminal 121 from a device accommodated in the accommodation space A Power can be supplied through.

* For example, when the mobile terminal is accommodated in the accommodation space (A) and the port (for example, charging-data port) provided on the lower side of the mobile terminal is connected to the connection terminal 121, the wireless communication unit 110, The first sound output unit 140, the second sound output unit 150, and the control unit 160 may receive power from the mobile terminal accommodated in the accommodation space A through the connection terminal 121. However, the present invention is not limited thereto, and when the mobile terminal is accommodated in the accommodation space A and a port (for example, a charging-data port) provided on the lower side of the mobile terminal is connected to the connection terminal 121, the first The sound output unit 140, the second sound output unit 150, and the control unit 160 may receive power from the mobile terminal accommodated in the accommodation space A through the connection terminal 121.

As another example, when the auxiliary battery is accommodated in the accommodation space (A) and the port (for example, the charging port) provided on the lower side of the auxiliary battery is connected to the connection terminal 121, the wireless communication unit 110, the first The sound output unit 140, the second sound output unit 150, and the control unit 160 may receive power from the auxiliary battery accommodated in the accommodation space A through the connection terminal 121.

An earphone port 122 may be provided on one side of the device case 100.

Specifically, the earphone port 122 may be provided on one side corresponding to the lower side of the device case 100 in the first side frame 101. Accordingly, when the port of the mobile terminal without the earphone port is connected to the connection terminal 121 of the device case 100, sound data may be converted into an acoustic signal and then transferred to the earphone port. Therefore, the user can listen to music through the earphone by attaching the mobile terminal without the earphone port to the device case 100.

According to some embodiments, a plurality of earphone ports 122 may be provided in the device case 100. Accordingly, a plurality of users can listen to music together by connecting earphones to the device case 100.

An external charger port 123 may be provided on one side of the device case 100.

The device case 100 may receive power from a device accommodated in the accommodation space A, but performs a function of receiving power through an external charger port 123 and charging a device accommodated in the accommodation space A. You may.

For example, when power is not supplied through the external charger port 123, the device case 100 may receive power from a device accommodated in the accommodation space A.

As another example, when power is supplied through the external charger port 123, the device case 100 not only receives power through the external charger port 123, but also supplies power through the external charger port 123 It is also possible to charge a device accommodated in the accommodation space A by transmitting power to the device accommodated in the accommodation space A through the connection terminal 121.

3 is a view for explaining an example of the coupling structure of the first side frame and the second side frame of the device case according to some embodiments of the present disclosure. 3 and 2, the contents overlapping with those described above with reference to FIGS. 1 and 2 will not be described again, and the following description will focus on differences.

According to some embodiments of the present disclosure, the first side frame 101 and the second side frame 102 may have a detachable structure.

The second side frame 102 has a'U' shape, and has a first coupling portion 1021 including a first coupling hole 1021a at one end, and a second coupling hole 1022a at the other end It may be provided with a second coupling portion 1022 comprising a.

The first side frame 101 includes a first groove portion 1011 into which the first coupling portion 1021 can be inserted and a second groove portion (not shown) into which the second coupling portion 1022 can be inserted. can do.

Specifically, the first groove portion 1011 may have a structure in which an area having a shape corresponding to the first coupling portion 1021 has entered therein. In addition, the second groove portion may have a structure in which an area having a shape corresponding to the second coupling portion 1022 enters therein. Therefore, the first coupling portion 1021 may be inserted into the first groove portion 1011, and the second coupling portion 1022 may be inserted into the second groove portion.

When the first coupling portion 1021 is completely coupled to the first groove portion 1011, a first protrusion 1011a that can be inserted into the first coupling hole 1021a may be provided in the first coupling portion 1021. . That is, the first protrusion 1011a protruding outwardly is formed in one region within the region where the first coupling portion 1021 is formed, so that the first coupling portion 1021 is completely coupled to the first groove portion 1011. The first protrusion 1011a may be inserted into the coupling hole 1021a.

When the second coupling portion 1022 is completely coupled to the second groove portion, a second protrusion (not shown) that can be inserted into the second coupling hole 1022a may be provided on the second coupling portion. That is, when the second projection protruding outwardly is formed in one region in the region where the second coupling portion is formed, when the second coupling portion 1022 is completely engaged with the second groove portion, the second protrusion is formed in the second coupling hole 1022a. Can be inserted.

Thus, as the first protrusion 1011a is inserted into the first coupling hole 1021a and the second protrusion is inserted into the second coupling hole 1022a, the first side frame 101 is the second side frame 102 Can be combined with That is, as the first protrusion 1011a is inserted into the first coupling hole 1021a and the second protrusion is inserted into the second coupling hole 1022a, the first coupling portion 1021 is inserted into the first groove portion 1011. It can be fixed in the inserted state, it can be fixed in a state in which the second coupling portion 1022 is inserted into the second groove.

4 is a view for explaining an example of a switch provided in the device case according to some embodiments of the present disclosure. 4 and 3, the contents overlapping with those described above with respect to FIGS. 1 to 3 will not be described again, and will be described later with reference to differences below.

Referring to FIG. 4, the device case 100 may include a switch 131 on one side. Here, the switch 131 may be a switch capable of moving a position to a first position (eg, On position or left) or a second position (eg, Off position or right) according to a user's manipulation.

Specifically, the first side frame 101 of the device case 100 may include a switch 131 that moves to a first position or a second position by a user's manipulation on one side.

The control unit 160 may change a method of receiving sound data from the mobile terminal according to the position of the switch 131. As described above, when a method of receiving sound data through the switch 131 is changed, convenience may be provided to the user. A detailed description of a method of changing a method of receiving sound data according to the position of the switch 131 will be described later with reference to FIG. 7.

5 is a view for explaining an example of a method for outputting sound in a device case according to some embodiments of the present disclosure. 6 is a view for explaining an example of a method for confirming the type of device accommodated in the accommodation space in the device case according to some embodiments of the present disclosure.

Referring to FIG. 5, the control unit 160 may recognize whether the device accommodated in the accommodation space is a mobile terminal (S110).

Referring to FIG. 6, when the device is accommodated in the accommodation space (A), the control unit 160 is connected to a port provided on the lower side of the device and the connection terminal 121, the first signal for checking the type of the device To the device through the connection terminal 121 (S111).

The controller 160 may recognize whether the second signal is received within a predetermined time after transmitting the first signal in step S111 (S112). Here, the second signal may be a signal corresponding to the first signal.

If the controller 160 receives a second signal corresponding to the first signal from the device accommodated in the accommodation space A within a predetermined time in step S112 (S112, Yes), the device accommodated in the accommodation space A It can be recognized that the mobile terminal (S113). If the device accommodated in the accommodation space (A) is a mobile terminal, since the second signal corresponding to the first signal can be generated and transmitted within a preset time, the controller 160 controls the first signal within the preset time. When the 2 signal is received, the device accommodated in the accommodation space A can be recognized as a mobile terminal.

If the controller 160 does not receive the second signal corresponding to the first signal from the device accommodated in the accommodation space A within a preset time in step S112 (S112, No), the accommodation space A is accommodated It can be recognized that the device is an auxiliary battery. In the case of the auxiliary battery, since the function of generating the second signal corresponding to the first signal cannot be performed, the control unit 160 does not receive the second signal corresponding to the first signal within a predetermined time (A ) Can be recognized as an auxiliary battery.

In the same manner as described above in FIG. 6, the control unit 160 may recognize the type of device accommodated in the accommodation space A. However, the present invention is not limited thereto, and the controller 160 may recognize the type of the device accommodated in the accommodation space A in various ways.

Meanwhile, referring to FIG. 5 again, when the controller 160 recognizes that the device accommodated in the accommodation space A is the mobile terminal in step S110 (S110, Yes), the mobile terminal through the connection terminal 121 Can receive sound data from (S120). However, the present invention is not limited thereto, and even if the controller 160 recognizes that the device accommodated in the accommodation space A is a mobile terminal, the position of the switch 131 is present in the first position, so that the wireless communication unit 110 is activated. If it is, the acoustic data may be received from the mobile terminal through the wireless communication unit 110.

On the other hand, according to some embodiments, the first sound output unit 140, the second sound output unit 150 and the control unit 160, the port provided on the lower side of the mobile terminal that is a device accommodated in the accommodation space is a connection terminal When connected to 121, power may be supplied from a mobile terminal through a connection terminal.

On the other hand, the controller 160 may activate the wireless communication unit 110 when it is recognized in step S110 that the device accommodated in the accommodation space A is an auxiliary battery rather than a mobile terminal (S110, No). Then, the control unit 160 may receive sound data through the wireless communication unit 110 (S130).

On the other hand, according to some embodiments, the wireless communication unit 110, the first sound output unit 140, the second sound output unit 150 and the control unit 160, the lower surface of the auxiliary battery that is a device accommodated in the accommodation space When the provided port is connected to the connection terminal 121, power may be supplied from the auxiliary battery through the connection terminal.

The controller 160 may control the first sound output unit 140 and the second sound output unit 150 to output sound corresponding to the sound data received in step S120 or step S130.

7 is a view for explaining another example of a method for outputting sound in a device case according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the device case 100 may include a switch 131 in which the position moves to the first position or the second position by the user's manipulation in the first side frame 101.

Referring to FIG. 7, the control unit 160 may recognize whether the position of the switch is located in the first position (eg, the On position or the left) (S210 ).

When it is recognized that the switch is located in the first position (S210, Yes), the controller 160 may activate the wireless communication unit (S220).

The control unit 160 may control the wireless communication unit 110 to receive sound data from the mobile terminal when the switch 131 is located in the first position to activate the wireless communication unit 110 and wireless communication is connected to the mobile terminal. Yes (S230). In this case, even when the mobile terminal is accommodated in the accommodation space A of the device case 100, when the switch 131 is located in the first position, the wireless communication unit 110 is activated, so that the control unit 160 can perform the wireless communication unit ( 110) can receive the acoustic data. However, it is not limited thereto.

Meanwhile, the controller 160 may deactivate the wireless communication unit when it is recognized that the switch is located in the second position (for example, the On position or the right) rather than the first position (S210, No) (S240). ).

When the wireless communication unit 110 is deactivated because the switch is located at the second position, the control unit 160 may receive sound data from the mobile terminal through the connection terminal 121 (S250). However, the controller 160 may receive sound data through the connection terminal 121 only when the device accommodated in the device case 100 is a mobile terminal, and when the device accommodated in the device case 100 is an auxiliary battery The acoustic data may not be received through the connection terminal 121. That is, when the device accommodated in the device case 100 is an auxiliary battery, the device case 100 may perform only a function as a case that simply protects the auxiliary battery without receiving acoustic data.

On the other hand, when the control unit 160 receives sound data from the mobile terminal in step S230 or step S250, the first sound output unit 140 and the second sound to output sound corresponding to the received sound data The output unit 150 may be controlled (S260).

According to some embodiments of the present disclosure, when the controller 160 receives sound data from the mobile terminal in step S260, the control unit 160 outputs the sound corresponding to the received sound data, and the first sound output unit 140 and the first 2 While controlling the sound output unit 150, the sound data may be transmitted to one or more external sound devices (eg, Bluetooth speakers). In this case, each of the first sound output unit 140, the second sound output unit 150, and one or more external sound devices of the device case 100 may simultaneously output sounds having different sound ranges. Therefore, the device case 100 may provide various sound effects to the user.

According to some of the above-described embodiments, the device case 100 crosses over and outputs the sound of the mid/high and low ranges, so that almost all full ranges of audible frequencies can be reproduced. have. Therefore, the quality of the output sound can be improved. In addition, the device case 100 not only protects the accommodated device from external force, but also includes a plurality of sound output units 140 and 150 to provide the function of the speaker. Therefore, the utilization of the case can be increased, and the consumer's product purchase cost can be reduced.

Descriptions of the presented embodiments are provided to enable any person of ordinary skill in the art to use or practice the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art of the present disclosure, and the general principles defined herein can be applied to other embodiments without departing from the scope of the present disclosure. Thus, the present disclosure should not be limited to the embodiments presented herein, but should be interpreted in the broadest scope consistent with the principles and novel features presented herein.

Claims (1)

In the device case having a receiving space for accommodating the device,
A protection plate having a first sound output and covering at least one area of a rear surface of the device;
A first side frame covering at least a part of the lower side of the device and having a connection terminal connected to a port provided on the lower side of the device and having a second sound output unit different from the first sound output unit;
A second side frame covering at least one side of the device and engaging with the first side frame; And
A control unit embedded in the first side frame or the protection plate and controlling operations of the first sound output unit and the second sound output unit;
Containing,
Device case.

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