KR102121989B1 - Portable key-board and speaker assembly - Google Patents

Abstract

The present invention relates to a portable keyboard and speaker assembly, a key assembly having a plurality of arrangements and a body having a polygonal column shape in which a battery is embedded, and the key assembly and the body connecting the key assembly It includes a connecting portion extending to the lower portion of the body, the grooves are formed at both ends of the body, and both ends of the key assembly is provided with a projection and the projection is inserted into the groove, the portable keyboard and the key assembly can be wound up Disclosed is a speaker assembly using two portable keyboards with speakers.

Description

PORTABLE KEY-BOARD AND SPEAKER ASSEMBLY

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable keyboard and speaker assembly, and to a keyboard and speaker assembly using a keyboard with improved portability usable by wireless communication.

In recent years, with the rapid development of the Internet and multimedia, various portable devices or multimedia products that apply it are commercially available according to the needs of users. These portable devices or multimedia products tend to be compact and complex to maximize the efficiency of use by simplifying portability and freely inputting desired information and grafting various functions organically.

In order to input texts of portable devices or multimedia products, a separate wireless keyboard and a separate input device are required. However, an input device such as a wireless keyboard has a problem in that it is inconvenient to carry because it is relatively bulky.

In addition, the conventional portable keyboard is basically in a non-folding structure, and is bulky, so it is inconvenient to move, and most of the products connected by wire with other products are inconvenient to mount.

One object of the present invention is to provide a portable keyboard with improved portability by being wound in a roll form.

Another object of the present invention is to provide a portable keyboard that can be easily mounted on a portable terminal.

According to an embodiment of the present invention, a portable keyboard has a polygonal pillar-shaped body in which a battery is built-in, a key assembly connected to the body and having a plurality of arrangements, and the key assembly while connecting the key assembly and the body. It includes a connecting portion extending to the lower portion, the grooves are formed at both ends of the body, the protrusions are provided at both ends of the key assembly, the key assembly can be wound by being inserted into the groove.

The body may include a mounting portion through which the portable terminal can be mounted while exposed to the outside.

The mounting portion includes a pair of pivoting members, wherein the pivoting member is fixed to the body and is rotatable with a hinge part, extending with the hinge part, and extending from the seating part and the seating part where a groove is formed, the It may include a support for restricting the movement of the mobile terminal.

The body is recessed inside the body, a hinge fixing portion providing a space for the hinge portion to rotate, a hinge portion formed on one side of the hinge fixing portion, and a protrusion portion and the supporting portion to which the seating portion is fitted and engaged. Including the recessed portion, the exterior of the body can maintain a polygonal shape.

The key assembly includes a key pressed by a user, a steel sheet provided below the key, and a key disposed on a lower surface of the key to support the key and to form a through hole. It includes a base, and the steel sheet can be attached to a magnet embedded inside the body during winding.

The connecting portion is disposed on the lower portion of the key support, and a pattern sheet on which a dome is formed, a front sheet disposed on the pattern sheet, and a lower portion of the pattern sheet And a rear sheet supporting the pattern sheet.

A metal sheet may be further provided on the lower surface of the rear sheet.

The key assembly may include a key pressed by a user and an elastic member disposed under the key to support the key.

The connection portion includes a pattern sheet disposed under the elastic member, and a dome is formed on the pattern sheet to be pressed by the key.

A power key, a charging port and a pairing key may be formed on one side of the body, and a speaker may be formed on one side of the body.

A Hall sensor is provided in the body, and a magnet is provided in the key assembly, so that power supply can be adjusted according to whether the Hall sensor is in contact with the magnet.

In addition, a speaker assembly including a first portable keyboard having a speaker wirelessly connected to a portable terminal and a second portable keyboard wirelessly connected to the first portable keyboard may be provided.

According to an embodiment of the present invention, the portable keyboard can be wound like a roll, thereby improving portability.

In addition, a stereo assembly may be implemented using a portable keyboard equipped with two speakers.

1A is an overall perspective view of a portable keyboard in an unfolded state associated with an embodiment of the present invention.
Figure 1b is an overall perspective view of a portable keyboard in a folded state associated with an embodiment of the present invention.
Figure 2 is a cross-sectional view of a portable keyboard associated with an embodiment of the present invention wound.
3 is a cross-sectional view of a key assembly and a connection unit related to an embodiment of the present invention.
4A and 4B are views for explaining a connection between a key and a pattern sheet related to an embodiment of the present invention.
Figure 5a is a perspective view of a portable keyboard in a folded state associated with an embodiment of the present invention.
Figure 5b is a perspective view of a portable keyboard in the unfolded state associated with an embodiment of the present invention.
Figure 6 is a partial perspective view of the body end portion associated with an embodiment of the present invention.
7 is a cross-sectional view of a portable terminal associated with an embodiment of the present invention mounted on a portable keyboard.
8 is a view for explaining a speaker assembly related to an embodiment of the present invention.

Hereinafter, a portable keyboard and speaker assembly related to the present invention will be described in more detail with reference to the drawings. The suffix "part" for a component used in the following description is given or mixed only considering the ease of writing the specification, and does not have a meaning or a role distinguished from each other by itself.

First, FIG. 1A is an overall perspective view of a portable keyboard 100 in a state in which the mounting unit 120 related to an embodiment of the present invention is unfolded, and FIG. 1B shows the mounting unit 120 related to an embodiment of the present invention. It is an overall perspective view of the portable keyboard 100 in the folded state.

1A and 1B, a portable keyboard 100 according to an embodiment of the present invention includes a battery 110 (not shown) inside, a body 110 having a polygonal column shape, and the body 110 ) Connected to the key assembly 130 having a plurality of arrangements and the key assembly 130 and the body 110 while connecting to the lower portion of the key assembly 130, the flexible (flexible) connecting portion 140 is formed to extend It is made including. At this time, grooves 161 are formed at each end of the body 110 on each side, and protrusions 162 having a shape corresponding to the grooves 161 are provided at both ends of the key assembly 130. The key assembly 130 is wound while the protrusion 162 is inserted into the groove 161.

Although the key assembly 130 has a plurality of arrangements, in FIG. 1A, the first to fifth key assemblies 131, 132, 133, 134, and 135 are illustrated, but only the fourth key assembly 134 may be provided as necessary.

1A and 1B illustrate that the body 110 is a pentagonal column, the present invention is not limited thereto, and may be a square or a triangle.

The body 110 is extended toward the outside and includes a mounting unit 120 through which the portable terminal 200 can be mounted. The mounting unit 120 includes a pair of rotating members 121 and 122. That is, the rotation members 121 and 122 are formed at a predetermined distance, and may be folded from the body 110 or unfolded from the body 110 by rotating in opposite directions. In the exemplary embodiment of the present invention, the rotating members 121 and 122 are illustrated as two, but the present invention is not limited thereto, and may include three or more rotating members 121 and 122 as necessary, and the rotational direction may be the same.

5A is a perspective view of the portable keyboard 100 in a state in which the mounting unit 120 related to an embodiment of the present invention is folded, and FIG. 5B is in an extended state of the mounting unit 120 related to an embodiment of the present invention. Is a perspective view of the portable keyboard 100.

Looking in more detail with respect to the rotating member (121,122) with reference to Figures 5a and 5b, the rotating member (121,122) is fixed to the body 110, the pivotable hinge portion 123 and the hinge portion ( 123), a groove is formed, the mobile terminal 200 includes a seating portion 125 and a support portion 124 extending from the seating portion 125 to limit the movement of the mobile terminal 200 . At this time, the hinge part 123, the seating part 125, and the support part 124 are integrally formed, and a groove is formed in a plate shape so that the mobile terminal 200 can be mounted in the groove. The rotating members 121 and 122 may be formed in an approximately'c' shape.

For coupling with the rotating members 121 and 122, the body 110 is recessed to the inside of the body 110, and a hinge fixing part providing space for the hinge part 123 to rotate ( 113), including a concave portion (114) formed on one side of the hinge fixing portion (113), the mounting portion (125) is fitted with a protrusion (115) and the receiving portion (124) is seated, The appearance of the body 110 is intended to maintain a flat polygonal shape. That is, the rotation members 121 and 122 may rotate around the hinge portion 123, and when folded to the body 110, the exterior is flat polygonal.

In addition, Figure 3 is a cross-sectional view of the key assembly 130 and the connection portion 140 related to an embodiment of the present invention, the key assembly 130 is a key 131 is pressed by the user (131) (key) is formed on the top It is disposed on the lower surface of the key 131 to support the key 131, and a key support portion 133 (dummy) having a through hole to allow the key 131 to pass therethrough, and of the key And a steel sheet 132 provided at the bottom. In addition, the connecting portion 140 is disposed under the key support portion 133, a pattern sheet 136 (pattern sheet) is formed on the dome (dome), and is disposed on the upper portion of the pattern sheet 136 It comprises a front sheet 135 (front sheet) and a rear sheet 137 (rear sheet) disposed under the pattern sheet 136 and supporting the pattern sheet 136.

At this time, a magnet 160 is built in the body 110, and a steel sheet is provided under the key 131. When the portable keyboard 100 is wound, the magnet 160 and The steel sheet 132 is contacted by magnetic force so that the key assembly 130 can be easily wound up. At this time, the steel sheet 132 is attached to the lower surface of the key 131, as shown in Figure 4a, it is also possible to allow the steel sheet to directly press the dome.

In addition, a metal sheet 138 is further provided on the lower surface of the rear sheet 137, and the metal sheet 138 is made of aluminum and puts a weight on the key assembly 130, This is to ensure that the key assembly 130 is wound while forming a polygon.

4A and 4B are views for explaining the connection between the key 131 and the pattern sheet 136 related to an embodiment of the present invention, which will be described below with reference to FIGS. 4A and 4B.

In FIG. 4A, a convexly formed dome 134 is formed on the lower surface of the key 131, and when the end of the key 131 is pressed, the dome may not be pressed accurately. In FIG. 4B, an X-shaped elastic member 145 is provided on the lower surface of the key 131 as a structure for preventing such a phenomenon, and the elastic member 145 is in contact with the pattern sheet 136, and the elastic The second domes 146 and 146' are formed between the member 145 and the pattern sheet 136. When the upper surface of the key 131 is pressed by such a structure, the second dome 146 and 146' are pressed while the portion opposite to the portion pressed by the elastic member 145 is horizontal.

On the other hand, the connection portion 140 according to an embodiment of the present invention comprises the front sheet 135, the pattern sheet 136 and the rear sheet 137, these sheets are made of a thin material, the key assembly The first key assembly 131 in the first column of 130 can be easily wound up. That is, by forming the connecting portion 140, the key assembly 130 having the key 131 of a certain height can be naturally wound.

8 is a view for explaining a speaker assembly according to an embodiment of the present invention, a speaker (119,119') is formed on one side of the portable keyboard 100, stereo using two speakers (119,119') You can implement a sound (stereo sound).

In more detail, if you want to play music on the portable terminal 200 and listen to the portable keyboard 100, the portable terminal 200 and the first portable keyboard 100' are wirelessly connected, and the As the first portable keyboard 100' and the second portable keyboard 100 are wirelessly connected, sound is simultaneously output from the two portable keyboards 100, 100', thereby realizing stereo sound.

At this time, the portable terminal 200 becomes a first source, the first portable keyboard 100' becomes a first sink, and the first portable keyboard 100' is a first. At the same time as the sink, it becomes the second source, and the second portable keyboard 100 becomes the second sink. The wireless connection may be, for example, a wireless connection by Bluetooth, and the Bluetooth chipset should deliver what is received. This is to use the so-called'ShareMe' function, wherein the ShareMe function can simultaneously implement two sink devices and a low-delay wireless connection based on a source.

The mobile terminal 200 described herein includes a Bluetooth-enabled mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, PDA (Personal Digital Assistants), PMP (Portable Multimedia Player), and electronics. E-books, navigation, etc. may be included.

In addition, for the wireless connection, A2DP (Advanced Audio Distribution Profile) and AVRCP (Audio/Video Remote Control Profile) protocols may be used.

2 is a cross-sectional view of a portable keyboard 100 related to an embodiment of the present invention in a wound state. Referring to FIG. 2, a power key 116, a charging port 117, and a power key 116 are provided on one side of the body 110. A pairing key 118 is formed.

The power key 116 is for supplying power to the portable keyboard 100, and the charging port 117 is for charging a battery (not shown) built in the portable keyboard 100. In addition, the pairing key 118 is a button used when pairing the portable terminal 200 and the portable keyboard 100. That is, when the pairing key 118 is pressed, a nearby mobile terminal 200 can be found and wirelessly connected.

In addition, FIG. 6 is a partial perspective view of an end portion of the body 110 related to an embodiment of the present invention. Referring to FIG. 6, one side of the body 110 informs the battery charging state of the portable keyboard 100 A charging status indicator 153, a Bluetooth connection indicator 152 indicating whether or not a Bluetooth connection is established, and a charging indicator 151 indicating whether a battery is charging or not are formed.

On the other hand, when the portable keyboard 100 according to an embodiment of the present invention is wound up or deployed, power may be turned on/off depending on whether the key assembly 130 is wound up using a Hall sensor. For example, when the key assembly 130 is unfolded, the key assembly 130 and the body 110 are separated so that power is supplied, and when the key assembly 130 is wound up, power can be automatically turned off. . Furthermore, rather than supplying power according to whether the key assembly 130 is wound, power may be supplied depending on whether the mounting unit 120 is deployed. That is, when the rotation members 121 and 122 are unfolded, power is supplied, and when the rotation members 121 and 122 are folded, power supply may be stopped.

If, in order to supply power depending on whether the key assembly 130 is wound or not, a magnet (not shown) is built into the fifth key assembly 135, and a hall sensor is built into the body 110 so that the magnet and It is sufficient to be able to detect whether the winding is performed by the hall sensor. In addition, whether or not the rotation members 121 and 122 are deployed is a hall sensor built into the body 110 and a magnet is built into the rotation members 121 and 122 to determine whether the rotation members 121 and 122 are deployed by the hall sensor and the magnet. Can be detected. At this time, the position of the hall sensor and the magnet may be interchanged.

The portable keyboard described above and the speaker assembly using the same are not limited to the configuration and method of the above-described embodiments, and the above embodiments are selectively combined in all or part of each embodiment so that various modifications can be made. It may be configured.

In addition, those skilled in the art to which the present invention pertains will appreciate that the present invention may be implemented in other specific forms without changing its technical spirit or essential features.

Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof should be interpreted to be included in the scope of the present invention. .

Claims (13)

A polygonal columnar body with a battery built in;
A key assembly connected to the body and having a plurality of arrangements; And
While connecting the key assembly and the body and includes a connecting portion extending to the lower portion of the key assembly,
Grooves are formed at both ends of the body, and projections are provided at both ends of the key assembly, so that the key assembly is wound up by being inserted into the groove.
A Hall sensor is provided in the body, and a magnet is provided in the key assembly, so that the power supply is adjusted according to whether the Hall sensor is in contact with the magnet.
When the key assembly is wound, the power supply from the body is cut off, and when the key assembly and the body are separated, power is supplied from the body. According to claim 1,
The body,
A portable keyboard including a mounting unit capable of mounting a portable terminal while exposed to the outside. According to claim 2,
The mounting portion includes a pair of rotating members,
The rotating member,
A hinge part rotatable while being fixed to the body;
A seating part extending from the hinge part and having a groove; And
And a base extending from the seating portion and restricting movement of the portable terminal. According to claim 3,
The body,
A hinge fixing part recessed inside the body to provide a space for the hinge part to rotate;
A protrusion formed on one side of the hinge fixing part and fitted with the seating part; And
A portable keyboard, characterized in that the exterior of the body maintains a polygonal shape, including a recess in which the base is seated. According to claim 1,
The key assembly,
A key pressed by the user;
A steel sheet provided under the key;
It is disposed on the lower surface of the key to support the key, and includes a key support portion through which a through hole is formed, the steel sheet is a portable keyboard, characterized in that attached to the magnet embedded in the body of the body during winding. The method of claim 5,
The connecting portion,
A pattern sheet disposed under the key support portion and having a dome formed thereon;
A front sheet disposed on the pattern sheet; And
And a rear sheet disposed under the pattern sheet and supporting the pattern sheet. The method of claim 6,
A portable keyboard characterized in that a metal sheet is further provided on a lower surface of the rear sheet. According to claim 1,
The key assembly,
A key pressed by the user; And
And a resilient member disposed under the key to support the key. The method of claim 8,
The connecting portion,
It includes a pattern sheet (pattern sheet) disposed under the elastic member,
A portable keyboard, characterized in that a dome is formed on the pattern sheet and is pressed by the key. According to claim 1,
A portable keyboard, characterized in that a power key, a charging port and a pairing key are formed on one side of the body. delete According to claim 1,
A portable keyboard, characterized in that a speaker is formed on one side of the body. The first portable keyboard according to claim 12 wirelessly connected to the portable terminal; And
A speaker assembly including a second portable keyboard having a speaker wirelessly connected to the first portable keyboard.

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