KR102228855B1 - Portable key-board - Google Patents

Abstract

The present invention relates to a portable keyboard, a body in the shape of a polygonal column in which a battery is embedded, a key assembly connected to the body and having a plurality of key arrangements, and the key assembly while connecting the key assembly and the body. A portable keyboard comprising a connection portion extending to a lower portion of the key assembly, wherein information is input to at least one key arrangement of the key assembly by a touch, and the key assembly is wound.

Description

Portable keyboard {PORTABLE KEY-BOARD}

The present invention relates to a portable keyboard, and to a keyboard with improved portability that can be used by wireless communication.

In recent years, with the rapid development of the Internet and multimedia, various portable devices or multimedia products using the same are being marketed according to the needs of users. These portable devices or multimedia products tend to be miniaturized and complex in order to maximize the efficiency of use by organically incorporating various functions as well as simplifying portability and freely inputting desired information.

In order to input characters of such 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, conventional portable keyboards are bulky and inconvenient when moving because they are not folded. Most of the products are connected to other products by wire, so it is inconvenient to mount them.

An 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 capable of easily mounting a portable terminal.

According to an embodiment of the present invention, a body having a shape of a polygonal column in which a battery is embedded therein, a key assembly connected to the body and having a plurality of key arrangements, and a key assembly connecting the key assembly and the body, It includes a connection part extending to the lower part, and information is input to at least one key arrangement of the key assembly by a touch, a first element is provided in the body, a second element is provided in the key assembly, and the second A portable keyboard may be provided, characterized in that the first element and the second element are attached by magnetic force so that the key assembly is wound.

The connection part may include a pattern sheet on which a printed circuit pattern is formed, and a front sheet and a rear sheet disposed above and below the pattern sheet to protect the pattern sheet. .

The key assembly has at least one key arrangement, and the mechanical key arrangement includes a key disposed at an upper portion so as to be pressed by the user, a key disposed at a lower surface of the key to support the key, and a lower end of the key A key dummy in which a through hole is formed so as to penetrate therethrough, and a dome formed on the pattern sheet may be included.

The second element may be provided under the key, and the lower end portion of the key may be formed with a separation preventing portion having a diameter larger than that of the through hole.

The body includes a mounting portion having a pair of rotating members, the rotating member,

And a hinge part that is rotatable while being fixed to the body, a receiving part extending from the hinge part and having a groove formed therein to seat the mobile terminal, and a support part extending from the receiving part to limit the movement of the mobile terminal. I can.

The body is recessed into the inner side of the body, a hinge fixing portion providing a space in which the hinge portion can be rotated, a protrusion formed on one side of the hinge fixing portion and fitted with the seating portion, and the support Including a concave portion to be additionally seated, the appearance of the body may be maintained in a polygonal shape.

The first element and the second element may be formed of a magnet or steel, and a metal sheet may be further provided on a lower surface of the rear sheet.

The first element is a magnet, and the key assembly includes a key pressed by a user, and an elastic member disposed under the key to support the key, and the elastic member may be made of steel. .

A light source is formed on the pattern sheet so that light can be illuminated to the outside of the key. When the first element and the second element are magnets, the first element may be wrapped by a yoke.

Inside the body, a built-in battery for supplying power to operate a keyboard and a printed circuit board connected to the built-in battery may be provided, and a charging IC chip may be formed on the printed circuit board.

The key assembly includes a plurality of hot keys, and different terminals are set for each of the hot keys, so that when the hot key is pressed, a terminal corresponding to the pressed hot key may be paired.

The key assembly includes one hot key, and a plurality of terminals are assigned to the hot key in a certain order, so that when the hot key is pressed, different terminals can be paired according to a preset order. .

A touch pad is provided on the outer surface of the body, so that a cursor or a mouse arrow can be moved according to the touch direction, and an electronic-ink is disposed on the pattern sheet, so that the order of the key arrangement or the key You can change the input value.

In addition, an NFC module is provided in the body, and the key assembly includes a plurality of hot keys, sets an NFC tag by setting an order for each of the hot keys, and uses a preset NFC tag. ) Or Wi-Fi can be connected, and when all terminals are specified for each of the plurality of hotkeys, the terminal to be tagged can be connected after automatically deleting the already specified terminal.

When all terminals are designated for each of the plurality of hotkeys, a terminal to be tagged may warn that the hotkey cannot be designated thereafter, and may be set after deleting an already designated terminal, and all terminals are designated for each of the plurality of hotkeys. In this case, the designated terminal may be deleted by long pressing the hot key.

At least one end of the body may be provided with at least one of a power key, a speaker, a built-in battery charging port, a pairing key, and an external battery charging port, and the front seat and the rear seat are polyurethane (Polyurethane, PU) material is used, and the pattern sheet may be made of a PET film.

A Hall sensor is provided on the body, and a magnet is provided on the key assembly, so that power supply can be adjusted according to the presence or absence of contact between the Hall sensor and the magnet.

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

In addition, by introducing an electrostatic or positive pressure keyboard, the thickness can be made thinner and advantageous for winding, and the winding shape can be made more diverse.

1 is an overall perspective view of a square-shaped portable keyboard according to an embodiment of the present invention.
2A and 2B are a side view and a partial enlarged view of the portable keyboard of FIG. 1 in a wound state.
Figure 3 is an exploded perspective view of the portable keyboard of Figure 1;
4 is a plan view in a state in which the portable keyboard related to an embodiment of the present invention is deployed.
5 is a partial cross-sectional view of a key assembly related to an embodiment of the present invention.
6 and 7 are diagrams for explaining a connection between a key and a pattern sheet according to an embodiment of the present invention.
8 and 9 are perspective views of a portable keyboard in a folded state of a mounting portion according to an embodiment of the present invention.
10 and 11 are perspective views of a portable keyboard in an unfolded state of a mounting portion according to an embodiment of the present invention.
12 is a cross-sectional view of a portable terminal mounted on a portable keyboard according to an embodiment of the present invention.
13 is a side perspective view of a portable keyboard according to an embodiment of the present invention.
14 is a schematic diagram of a pattern sheet related to an embodiment of the present invention.
15 is an example of pairing use of a portable keyboard according to an embodiment of the present invention.
16 is a view for explaining a magnet provided inside the body according to an embodiment of the present invention.
17 is a schematic view of an interior of a body according to an embodiment of the present invention.
18A and 18B are views for explaining charging of a built-in battery and an external battery according to an embodiment of the present invention.
19 is a block diagram of a portable keyboard according to an embodiment of the present invention.

Hereinafter, a portable keyboard related to the present invention will be described in more detail with reference to the drawings. The suffix "unit" for the constituent elements used in the following description is given or used interchangeably in consideration of only the ease of writing the specification, and does not itself have a distinct meaning or role from each other.

First, FIG. 1 is an overall perspective view of a square-shaped portable keyboard 100 according to an embodiment of the present invention, and FIGS. 2A and 2B are side views of a state in which the portable keyboard 100 of FIG. 1 is wound, and FIG. 3 Is an exploded perspective view of the portable keyboard 100 of FIG. 1 in an unfolded state, and FIG. 4 is a plan view of an unfolded portable keyboard according to an embodiment of the present invention.

The mobile terminal 200 described herein includes a mobile phone supporting Bluetooth, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), and an electronic device. E-books, navigation, etc. may be included.

In an embodiment of the present invention, the portable keyboard 100 may have a polygonal shape, and more specifically, it may have a rectangular shape or a pentagonal shape, and the internal structure and configuration are almost the same as only the external shape is different. In one embodiment of the present invention, as well as a pentagonal shape, it is intended to provide a method for winding in a rectangular shape.

In addition, Figure 5 is a partial cross-sectional view of a key assembly 120 related to an embodiment of the present invention, referring to Figures 1 to 5, the portable keyboard 100 according to an embodiment of the present invention is built inside A battery 101 is provided, a body 110 in the shape of a polygonal column, a key assembly 120 connected to the body 110 and having a plurality of key arrangements, and the key assembly 120 and body 110 It includes a flexible (flexible) connecting portion 135 extending to the lower portion of the key assembly 120 while connecting. At this time, information is input to at least one key arrangement 121 or 125 of the key assembly 120 by a touch, and the key assembly 120 is wound. To this end, in an embodiment of the present invention, a touch-type keyboard is applied to a part of the key assembly 120. More specifically, an electrostatic or positive pressure keyboard was applied to some of the key arrangements.

The key assembly 120 has a plurality of arrangements, and FIG. 4 shows that the first to fifth key arrangements 121, 122, 123, 124, and 125 are provided, but only four key arrangements may be provided if necessary. 3 and 4 illustrate that the first key arrangement 121 is a touch type, but mainly the first key arrangement 121 may be a touch type, but is not necessarily limited thereto, and the fifth key arrangement 125 You can also do it by touch.

In addition, referring to FIGS. 2A, 2B, and 5, the connection part 135 is disposed above and below the pattern sheet 170 on which the printed circuit pattern 173 is formed, and the pattern sheet 170. , It comprises a front sheet (160) and a rear sheet (rear sheet, 180) for protecting the pattern sheet 170. The connection part 135 according to an embodiment of the present invention includes the front sheet 160, the pattern sheet 170, and the rear sheet 180, and these sheets are made of a thin material, so that the key assembly 120 ) So that the first key arrangement 121 in the first column can be easily wound. In this case, the connection part 135 extends to the lower portion of the mechanical key arrangement 122,123,124,125.

FIG. 2A shows that the first key arrangement 121 is a touch type and the remaining key arrangements 122, 123, 124, 125 are mechanical. Fig. 2b shows a state in which the mechanical key arrangement is wound. As shown in Fig. 2b, the connection part 135 has a bent part 191, so one embodiment of the present invention to be bent in this way. In the example, the front sheet 160 and the rear sheet 180 were made of a PU (Polyurethane) material, and the pattern sheet 170 was a PET film.

At this time, a letter or number is printed on some areas 126b of the upper surface 126c of the key 126, and the upper surface 126c contacts one surface of the body 110, and the side ( 126d) is spaced apart from the side surface 126d of the adjacent key 126, and the side surface 140a of the key support 140 is inclined. It may be formed to be disposed, and even if the side surfaces 140a are in contact with each other, the two key support portions 140 formed adjacent to each other are formed to form a right angle by the contact. At this time, the side surface 126d and the side surface 126d of the key 126 must also be arranged so as not to contact.

At this time, the key 126 may be in contact with the upper surface 140b of the key support 140, the width D1 of the key 126 is narrower than the width D2 of the upper surface 140b, Since the side surface 140a is inclined, the width D2 of the upper surface 140b is narrower than the overall width D3 of the key support part 140.

On the other hand, the width (L) of the body 110 is related to the width (D3) of the key support portion 140 of the key arrangement (121, 122, 123, 124, 125), if the width (L) increases, accordingly the key support ( Since the width D3 of 140 must also be large, the formation of the key assembly 120 may become difficult if the body 110 is excessively formed. If the size of the body 110 is to be increased, the spacing between the key arrangements 121, 122, 123, 124, and 125 should be formed wider.

In addition, in order to prevent the key 126 from being separated from the outside, a departure preventing portion 126a having a lower end extending laterally is formed. The separation prevention part 126a is formed such that a portion in contact with the dome 150 while passing through the through hole 140c formed in the key receiving part 140 has a larger diameter than the through hole 140c.

As shown in FIG. 4, a touch pad 105 is provided on the outer surface of the body 110, and the touch pad 105 functions to move a cursor or a mouse arrow according to a touch direction. In more detail, when a touch is made in a specific direction, a position of a cursor or a mouse arrow in the paired mobile terminal 200 is changed.

In an embodiment of the present invention, a keyboard method is a method in which a mechanical type and a touch type (electrostatic type or positive pressure type) are mixed, and the capacitive type, unlike a membrane or a mechanical type, detects a difference in voltage and generates a signal, It is recognized by simply pressing the key, and the positive pressure type is designed to generate a signal by detecting a pressure difference.

In this case, the body 110 includes a mounting portion 220 that is unfolded toward the outside to mount the mobile terminal 200, and the mounting portion 220 includes a pair of rotating members 221 and 222. That is, the rotating members 221 and 222 are formed at a predetermined distance, and may be folded on the body 110 or unfolded from the body 110 by rotating in opposite directions to each other. In an exemplary embodiment of the present invention, the rotating members 221 and 222 are illustrated as two, but the present invention is not limited thereto, and three or more rotating members 221 and 222 may be included as needed, and the rotation direction may be the same.

8 and 9 are perspective views of the portable keyboard 100 in a folded state of the mounting part 220 related to an embodiment of the present invention, and FIGS. 10 and 11 are a mounting part related to an embodiment of the present invention ( 220 is a perspective view of the portable keyboard 100 in an unfolded state.

Looking in more detail with respect to the pivoting members 221 and 222 with reference to FIGS. 8 to 11, the pivoting members 221 and 222 have a hinge part 223 that can be rotated while being fixed to the body 110, and the hinge part ( It extends from 223, a groove is formed, a seating portion 225 on which the mobile terminal 200 is seated, and a support portion 224 extending from the seating portion 225 to limit the movement of the mobile terminal 200. Includes. At this time, the hinge part 223, the seating part 225, and the support part 224 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 pivoting members 221 and 222 may have an approximately'C' shape.

The body 110 is recessed to the inside of the body 110 for coupling with the rotating members 221 and 222 to provide a space in which the hinge part 223 can rotate. 213), and formed on one side of the hinge fixing part 213, including a protrusion 215 to which the seating part 225 is fitted, and a concave part 214 on which the support part 224 is seated, The exterior of the body 110 is designed to maintain a flat polygonal shape. That is, the rotating members 221 and 222 may rotate around the hinge portion 223, and when folded into the body 110, they are in close contact with the body 110 so that the appearance is flat.

In addition, Figure 5 is a cross-sectional view of the key assembly 120 and the connection part 135 related to an embodiment of the present invention. First, looking at the mechanical key arrangement, in the mechanical key arrangement, a key 126 pressed by a user is formed at the top, is disposed on a lower surface of the key 126 to support the key 126, and the key 126 ) And a key receiving part 140 (dummy) in which a through hole 140c is formed so as to penetrate the lower end of the key, and a second element 130 provided under the key 126. In addition, a dome 150 is included on the pattern sheet 170.

In addition, the connection part 135 is disposed under the key support part 140, a pattern sheet 170 on which a dome 150 is formed, and an upper portion of the pattern sheet 170 A front sheet 160 is disposed and a rear sheet 180 is disposed below the pattern sheet 170 and supports the pattern sheet 170.

Meanwhile, in an embodiment of the present invention, magnetic force is used so that the key assembly 120 is wound around the body 110 and is not released again.

That is, the body 110 and the key assembly 120 are provided with a first element 119 and a second element 130, respectively, the first element 119 and the second element 130, respectively, a magnet or It can be a steel sheet. More specifically, when the first element 110 is a magnet, the second element 130 may be a magnet or a steel sheet, and when the first element 110 is a steel sheet, the second element 130 is It can be a magnet. 3 shows that the second element 130 is a steel sheet.

In this case, when both the first element 119 and the second element 130 are magnets, the yoke 119a surrounds the first element 119 in order to further improve the magnetic force. When the yoke 119a is applied in this way, the first element 119 and the second element 130, which are magnets, must have the N pole and the S pole aligned opposite to each other, and the first element 119 and The second element 130 may be fixed at a certain position by mutual attraction of neighboring magnets.

In addition, it is possible to further improve the attraction force between the first element 119 and the second element 130 by the yoke 119a. That is, the magnetic force line formed between the first element 119 and the second element 130 may be increased by deflecting the magnetic force line into the space between the first element 119 and the second element 130, thereby The adhesion between the first element 119 and the second element 130 is increased.

If the second element 130 is a steel sheet, when the portable keyboard 100 is wound, the magnet 119 and the steel sheet 130 are brought into contact with each other by magnetic force, so that the key assembly 120 is easily If the first element 119 and the second element 130 are both magnets, as shown in FIG. 16, each side (118, 118a, 118b, 118c) of the body 110 may be wound. , 118d) has a built-in magnet 119, and a magnet 130 is also provided at the lower portion of the key 126, so that the body 110 and the key assembly 120 can be easily wound by their mutual attraction. .

In addition, as shown in FIG. 14, a connector 175 is provided on one side of the pattern sheet 170 and is formed to be electrically connected to the printed circuit board 103 provided in the body 110. 17 is a schematic diagram of an interior of a body according to an embodiment of the present invention. Referring to FIG. 17, a built-in battery 101 is provided inside the portable keyboard 100, and the built-in battery 101 is a cable 102. ) Is connected to the printed circuit board 103 as a control unit. The positions of the printed circuit board 103 and the built-in battery 101 may be changed.

In addition, a metal sheet 190 is further provided on the lower surface of the rear sheet 180, and the metal sheet 190 is a material containing aluminum and provides a sense of weight to the key assembly 120, This is to ensure that the key assembly 120 is wound while forming a polygon.

5 to 7 are diagrams for explaining the connection between the key 126 and the pattern sheet 170 related to an embodiment of the present invention. In an embodiment of the present invention, light is emitted around the key 126. You can decorate it gorgeously by allowing it to leak out. To this end, in an embodiment of the present invention, a light source 171 is disposed on the pattern sheet 170, and the light source 171 may be an LED. 5 and 6 show that the light (L1, L2) by the light source 171 leaks out to the outside of the key 126.

In FIG. 6, a convexly formed dome 150 is formed on the lower surface of the key 126, and when the end of the key 126 is pressed, the dome 150 may not be pressed accurately. 7 is a structure for preventing such a phenomenon, and an X-shaped elastic member 145 is provided on the lower surface of the key 126, and the elastic member 145 is in contact with the pattern sheet 170, and the elasticity Second domes 146 and 146 ′ are formed between the member 145 and the pattern sheet 170. When the upper surface of the key 126 is pressed by such a structure, the second domes 146 and 146' are pressed while the portion opposite to the portion pressed by the elastic member 145 is also horizontal. In this case, since the elastic member 145 is made of steel, there is no need to provide a separate magnet or steel sheet.

The electrostatic or positive pressure key arrangement 121 according to an embodiment of the present invention can be sufficiently operated only with elements provided in the pattern sheet 170, and a configuration such as a separate physical key 126 is unnecessary.

2A and 2B are cross-sectional views of the portable keyboard 100 according to an embodiment of the present invention in a wound state. Referring to FIG. 2A, a power key 111 and a charging port are provided on one side of the body 110. 112), a pairing key 113 and a speaker 129 are formed.

The power key 111 is for supplying power to the portable keyboard 100, and the charging port 112 is for charging the built-in battery 101 built in the portable keyboard 100. In addition, the pairing key 113 is a button used to pair the mobile terminal 200 and the portable keyboard 100. That is, when the pairing key 113 is pressed, a nearby mobile terminal 200 can be found and wirelessly connected. In addition, when the mobile terminal 200 and the portable keyboard 100 are paired to play music, the speaker 129 includes a speaker 129 formed on the portable keyboard 100 in addition to the speaker provided in the mobile terminal 200. ) To listen to music, etc.

12 is a cross-sectional view of a portable terminal according to an embodiment of the present invention mounted on a portable keyboard. In a state in which the mobile terminal 200 and the body 110 are paired, the user can use the key assembly 120 When a key is input, the mobile terminal 200 transmits a signal to the portable keyboard 100 while playing music or a video, and the speaker 129 may output sound. That is, when the portable keyboard 100 transmits a key input signal to the mobile terminal 200, the mobile terminal 200 receiving the key input signal can play music or a video.

In addition, FIG. 13 is a partial perspective view of an end portion of the body 110 related to an embodiment of the present invention. Referring to FIG. 13, a battery state part 114 of the portable keyboard 100 is provided at one side of the body 110. , A battery charging display unit 115, a wireless connection display unit 116, a case conversion display unit 117, and the like are disposed.

That is, the battery indicator 114a and the charging status indicator 114b for indicating the battery charging status, the Bluetooth indicator 116a, and the Bluetooth connection indicator 116b indicating whether to connect to Bluetooth, and the charging indicator for charging the battery ( 115a) and a charging indicator 115b indicating whether or not to charge is formed. In addition, a conversion display 117a and an indicator 117b for allowing you to know the conversion of uppercase letters and lowercase letters are formed.

Meanwhile, power may not be supplied depending on whether or not the key assembly 120 is wound, but power may be supplied depending on whether or not the mounting unit 220 is deployed. That is, when the rotating members 221 and 222 are unfolded, power is supplied, and when the rotating members 221 and 222 are folded, the power supply may be stopped. In addition, when the key assembly 120 is unfolded, power is supplied, and when the key assembly 120 is wound, power supply may be cut off.

However, in the case where the speaker 129 is to be used even when the key assembly 120 is wound, a separate power key 111 may be used.

If power is to be supplied depending on whether or not the key assembly 120 is wound, a magnet (not shown) is built into the fifth key array 125, and a hall sensor is built into the body 110 so that the magnet and the You just need to be able to detect whether or not it is wound by a Hall sensor. In addition, whether or not the rotating members 221 and 222 are deployed is whether a hall sensor is embedded in the body 110, and a magnet is embedded in the rotating members 221 and 222, so that the rotating members 221 and 222 are deployed by the Hall sensor and the magnet. Can be detected. At this time, the positions of the Hall sensor and the magnet may be interchanged.

In the above, it has been described that the first element 119 and the second element 130 can be easily wound by coupling by magnetic force, but various methods other than a method using such magnetic force are possible. For example, as shown in FIG. 13, grooves 161 are formed on each surface of the body 110, and the grooves 161 and the ends of each of the key arrangements 121, 122, 123, 124, 125 of the key assembly 120 Corresponding protrusions 162 may be formed and may be easily wound by concave-convex coupling.

Meanwhile, the portable keyboard 100 according to the present invention includes Bluetooth™, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), and the like. The short-range communication technology of can be applied.

Among them, the NFC module provided in the portable keyboard 100 supports non-contact short-range wireless communication between terminals at a distance of about 10 cm. The NFC module can operate in any one of a card mode, a reader mode, and a P2P mode. In order for the NFC module to be operated in the card mode, the portable keyboard 100 may further include a security module for storing card information. Here, the security module may be a physical medium such as UICC (Universal Integrated Circuit Card) (e.g., SIM (Subscriber Identification Module) or USIM (Universal SIM)), Secure micro SD, and a sticker, or a logical medium embedded in the mobile terminal ( For example, it may be an embeded SE (Secure element). Data exchange based on Single Wire Protocol (SWP) may be performed between the NFC module and the security module.

When the NFC module is operated in the card mode, the portable keyboard 100 can transmit card information stored like a traditional IC card to the outside.

When the NFC module is operated in the reader mode, the portable keyboard 100 may read data from an external tag. In this case, the data received by the mobile terminal from the tag may be coded in the NFC Data Exchange Format determined by the NFC forum. In addition, the NFC forum defines four record types. Specifically, the NFC Forum defines four RTDs (Record Type Definition), such as Smart Poster, Text, Uniform Resource Identifier (URI), and General Control. When the data received from the tag is a smart poster type, the controller may execute a browser (eg, an Internet browser), and when the data received from the tag is a text type, the controller may execute a text viewer. When the data received from the tag is a URI type, the control unit executes a browser or makes a phone call, and when the data received from the tag is a general control type, an appropriate operation may be performed according to the control content.

When the NFC module is operated in a P2P mode, the portable keyboard 100 may perform P2P communication with another mobile terminal. At this time, LLCP (Logical Link Control Protocol) may be applied to P2P communication. For P2P communication, a connection may be created between the portable keyboard 100 and another mobile terminal. In this case, the generated connection may be divided into a connectionless mode in which one packet is exchanged and terminated, and a connection-oriented mode in which packets are continuously exchanged. Through P2P communication, electronic business cards, contact information, digital photos, data such as URLs, and setup parameters for Bluetooth and Wi-Fi connections may be exchanged. However, since the usable distance of NFC communication is short, the P2P mode can be effectively utilized for exchanging data of small size.

In one embodiment of the present invention, the key assembly 120 includes a plurality of hot keys, sets an NFC tag by setting an order for each of the hot keys, and Bluetooth or Wi-Fi through a preset NFC tag. (WIFI) can connect.

If all terminals are specified for each of the plurality of hotkeys, the terminal to be tagged can no longer be specified. In this case, the terminal that has already been specified is automatically deleted and connected, or a tag from thereafter. The terminal to be used may notify that the hotkey cannot be designated, and may be set after deleting the already designated terminal.

In addition, when all terminals are designated for each of the plurality of hot keys, the designated terminal can be deleted by long pressing the hot key, and when the designated terminal is deleted, a new terminal can be designated.

Meanwhile, in an embodiment of the present invention, an electronic-ink is disposed on the pattern sheet 170, so that characters or numbers printed on the keys 126 in any one key arrangement can be varied. In the electronic ink, a plurality of capsules are provided between two panels, and each capsule functions as one pixel, and white and black particles move according to an electronic signal to be displayed in black and white. Means to do.

Electronic ink refers to ink that can be applied to various electronic component materials such as printed circuit boards (PCB, FPCB, etc.), displays (LCD, PDP, OLED, etc.), RFID, and smart labels, and the electronic ink is largely a metal ink ( Metal Ink), Ceramic Ink, Molecular Ink, etc. At this time, it is possible to apply metal inks such as paste ink and nano ink, and such metal inks are conductive, so when printing on a circuit board through a printing technology, the ink serves as a circuit.

In an embodiment of the present invention using the electronic ink, the first key array 121 is electrostatically formed and at the same time, the electronic ink is provided to arrange the first key array 121 in a different order or key input value. May be. For example, the first key arrangement 121 in the order of F1, F2, etc. may be changed to numbers 1, 2, or the like.

Using the above method, the fifth key arrangement 125 can be made a touch type. If the fifth key arrangement 125 is made capacitive and at the same time an electronic ink roll is introduced, it is usually used as a general keyboard, In the case of playing music or video, it is converted into a direction key or the like to provide convenience to the user.

In addition, in an embodiment of the present invention, as shown in FIG. 15, a hot key may be provided, and the key assembly 120 may include a plurality of hot keys.

As shown in FIG. 15A, different terminals T1, T2, and T3 may be set by the user 10 to each of the hot keys K1, K2, and K3. As described above, when the hot keys K1, K2, K3 and the terminals T1, T2, and T3 are respectively set to 1:1, when the hotkey is pressed, the terminals corresponding to the pressed hotkey are paired.

For example, if the hot key K1 is designated as the terminal T1, when the hot key K1 is pressed, the terminal T1 is paired.

As described above, there are a plurality of hot keys, but in an embodiment of the present invention, a single hot key (HK) can be paired with a plurality of terminals (T1, T2, T3). You have to set up the terminals (T1, T2, T3).

If the order has already been determined and set, when the hot key HK is pressed, different terminals T1, T2, and T3 may be paired according to a preset order. For example, if the terminal (T1) is paired when pressing once, the terminal (T2) is paired when pressing twice, and the terminal (T3) is paired when pressing 3 times, hotkey (HK) 3 times in a row. It can be paired with the terminal T3 by pressing.

19 is a block diagram for explaining a portable keyboard related to the present invention, wherein the portable keyboard includes a wireless communication unit 230, a key input unit 240, an output unit 250, a power supply unit 270, and a sensor unit 105. And a display unit 260 and the like. The components shown in FIG. 19 are not essential to implement a portable keyboard, and thus, the mobile terminal described in the present specification may have more or fewer components than those listed above.

More specifically, among the components, the wireless communication unit 230 may include one or more modules that enable wireless communication between the portable keyboard 100 and the wireless communication system 200.

The wireless communication unit 230 may typically be a short-range communication module 231, and may include at least one of a wireless Internet module, a broadcast reception module, a mobile communication module, and a location information module.

The key input unit 240 inputs numbers, characters, etc. necessary for the mobile terminal when a mobile terminal is to be used using a portable keyboard, and the data collected by the key input unit 240 is transferred to the mobile terminal by the control unit 290. Can be sent to.

The sensor unit 105 includes a proximity sensor, a touch sensor, an acceleration sensor, a motion sensor, an RGB sensor, an infrared sensor, and a fingerprint recognition sensor. It may include at least one of a (finger scan sensor), an ultrasonic sensor, and an optical sensor, and a function of moving a mouse arrow or a cursor on the mobile terminal 200 by capturing a user's movement. do.

The output unit 250 may include at least one of the sound output unit 251 and the light output unit 252. The sound output unit 251 may output audio data received from the wireless communication unit 230 or stored in a memory in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output unit 251 also outputs sound signals related to functions (eg, call signal reception sound, message reception sound, etc.) performed by the portable keyboard. The sound output unit 251 may include a receiver, a speaker 291, a buzzer, and the like.

The light output unit 252 may automatically illuminate the outside of the key 126 when the user deploys the portable keyboard 100. The light output unit 252 may be, for example, a light source 171.

The display unit 260 is used to inform the user of various states, and the battery status unit 114 to inform the state of the battery, the battery charge display unit 115 to inform the state of charge of the battery, whether a wireless connection such as Bluetooth or Wi-Fi is connected. A wireless connection unit 116 for notifying, and a character conversion unit 117 for indicating whether the upper/lower case has been converted may be included.

The power supply unit 270 may supply power of the built-in battery 101 and power of an external battery 271 such as a mobile terminal under the control of the controller 290. That is, the power supply unit 270 includes the built-in battery 101, and the battery may be a built-in battery configured to be rechargeable, and may be detachably coupled to the terminal body for charging or the like. At this time, internal power is applied to supply power necessary for the operation of each component.

In addition, the power supply unit 270 includes a charging driving chip 104 (IC chip) for boosting the voltage, a charging port 112 for charging the built-in battery 101, and an external battery built in the mobile terminal 200. A USB port 108 or the like for charging 271 may be included.

18A and 18B are diagrams for explaining charging of a built-in battery and an external battery according to an embodiment of the present invention. In many cases, the voltage supplied from the outside and the voltage used by the portable keyboard are different. In this case, the voltage must be raised or lowered. Referring to FIG. 18A, when 5V power is input to the charging port 112 through the cable 107 from the outside, it must be converted into a voltage suitable for the built-in battery 101. To this end, the printed circuit board 103 is formed on the charging IC chip 104, so that the voltage is converted. That is, the voltage of 5V is dropped to 3.7V by the charger IC chip 104. At this time, the charging IC chip 104 performs the same function as a DC/DC converter.

In this case, external power may be applied through the charging port 112, and the charging port 112 may be configured as an example of an interface to which external power supplying power for charging the battery is electrically connected. .

As another example, the power supply unit 270 may be configured to charge the battery in a wireless manner without using the connection port. In this case, the power supply unit 270 uses one or more of an inductive coupling method based on a magnetic induction phenomenon or a magnetic resonance coupling method based on an electromagnetic resonance phenomenon from an external wireless power transmitter. Power can be delivered.

Meanwhile, in order to charge the external battery 271 of the mobile terminal, the mobile terminal 200 and the portable keyboard 100 must be electrically connected through the USB port 108, and voltage adjustment is also required at this time.

That is, referring to FIG. 18B, power is supplied from the built-in battery 101 by the cable 102. The voltage of the built-in battery 101 is about 3.7V, and about 5V is used to charge the external battery 271. It needs to be boosted to a voltage, which is done by the charging IC chip 104. The voltage boosted by the charging IC chip 104 is charged in the external battery 271 through the cable 106. To this end, in an embodiment of the present invention, a USB port 108 is provided on one side of the body 110. That is, the cable 106 is connected to the USB port 108. As a result, when charging the built-in battery 101, a voltage drop is required, and when charging the external battery 271, a boost is required. These conversions are made by the charger IC chip 104, and the voltage drop The processes of and boosting are opposite to each other.

In addition to the operation related to the application program, the control unit 290 generally controls the general operation of the portable keyboard. The controller 290 may provide or process appropriate information or functions to a user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in a memory.

The portable keyboard described above is not limitedly applicable to the configuration and method of the above-described embodiments, but the embodiments may be configured by selectively combining all or part of each of the embodiments so that various modifications can be made. .

In addition, those of ordinary skill in the art to which the present invention pertains will be able to understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof.

Therefore, it should be understood that the embodiments described above are illustrative and non-limiting in all respects. The scope of the present invention is indicated by the claims to be described later rather than the detailed description, and all changes or altered forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. .

Claims (26)

Polygonal pillar-shaped body in which the battery is built therein;
A key assembly connected to the body and having a plurality of key arrangements; And
And a connection portion extending to a lower portion of the key assembly while connecting the key assembly and the body,
Information is input to at least one key arrangement of the key assembly by a touch, a first element is provided in the body, a second element is provided in the key assembly, and the first element and the second element are magnetically controlled. Is attached and the key assembly is wound up,
The body includes a mounting portion having a pair of rotating members,
The rotating member,
A hinge part rotatable while being fixed to the body;
A seating portion extending from the hinge portion and having a groove formed therein to seat the mobile terminal; And
And a support part extending from the seating part to limit movement of the mobile terminal. The method of claim 1,
The connection part,
A pattern sheet on which a printed circuit pattern is formed; And
A portable keyboard comprising a front sheet and a rear sheet disposed above and below the pattern sheet to protect the pattern sheet. The method of claim 2,
The key assembly has at least one mechanical key arrangement,
The mechanical key arrangement,
A key disposed at the top to be pressed by the user;
A key dummy disposed on a lower surface of the key to support the key, and having a through hole formed therethrough so that a lower end of the key passes; And
A portable keyboard including a dome formed on the pattern sheet. The method of claim 3,
The second element is a portable keyboard, characterized in that provided under the key. The method of claim 3,
A portable keyboard, characterized in that the lower end portion of the key is formed with a departure prevention portion having a diameter larger than that of the through hole. delete The method of claim 1,
The body,
A hinge fixing part recessed in the inner side of the body to provide a space in which the hinge part can rotate;
A protrusion formed on one side of the hinge fixing part and into which the seating part is fitted; And
A portable keyboard, comprising a concave portion in which the support portion is seated, so that the exterior of the body maintains a polygonal shape. The method of claim 4,
The first element and the second element is a portable keyboard, characterized in that made of a magnet or steel (steel). The method of claim 2,
Portable keyboard, characterized in that further provided with a metal sheet (metal sheet) on the lower surface of the rear sheet. The method of claim 1,
The first element is a magnet,
The key assembly,
A key pressed by a user; And
It includes an elastic member disposed under the key to support the key,
The portable keyboard, characterized in that the elastic member is made of steel. The method of claim 3,
A portable keyboard, characterized in that a light source is formed on the pattern sheet to illuminate the outside of the key. The method of claim 1,
When the first element and the second element are magnets,
The portable keyboard, characterized in that the first element is wrapped by a yoke. The method of claim 1,
Inside the body, a built-in battery for supplying power to operate a keyboard, and a printed circuit board connected to the built-in battery are provided,
A portable keyboard, characterized in that a charging IC chip is formed on the printed circuit board. The method of claim 1,
The key assembly includes a plurality of hot keys,
A portable keyboard, characterized in that a different terminal is set for each of the plurality of hotkeys, and when the hotkey is pressed, a terminal corresponding to the pressed hotkey is paired. The method of claim 1,
The key assembly includes one hot key, and a plurality of terminals are assigned to the hot key in a certain order, and when the hot key is pressed, different terminals are paired according to a preset order. Portable keyboard. The method of claim 1,
A portable keyboard, characterized in that a touch pad is provided on the outer surface of the body to move a cursor or a mouse arrow according to a touch direction. The method of claim 2,
A portable keyboard, characterized in that an electronic-ink is disposed on the pattern sheet to change the order of key arrangements or key input values. The method of claim 1,
Portable keyboard, characterized in that the NFC module is provided in the body. The method of claim 18,
The key assembly comprises a plurality of hot keys, and the NFC tag is set by setting an order for each of the hot keys, and Bluetooth or WiFi is connected using a preset NFC tag. Portable keyboard. The method of claim 19,
When all of the terminals are designated for each of the plurality of hot keys, a terminal to be tagged from thereafter automatically deletes and connects the already designated terminal. The method of claim 19,
When all of the terminals are specified for each of the plurality of hot keys, a terminal to be tagged is warned that the hot key cannot be specified thereafter, and is set after deleting an already specified terminal. The method of claim 19,
When all of the terminals are designated for each of the plurality of hot keys, the designated terminal is deleted by long pressing the hot key. The method of claim 1,
A portable keyboard, characterized in that at least one of a power key, a speaker, a built-in battery charging port, a pairing key, and an external battery charging port is provided at at least one end of the body. The method of claim 2,
The front sheet and the rear sheet are made of polyurethane (Polyurethane, PU) material, and the pattern sheet is a portable keyboard, characterized in that made of a PET film. The method of claim 1,
A portable keyboard, characterized in that the body is provided with a Hall sensor, and the key assembly is provided with a magnet to control power supply according to the presence or absence of contact between the Hall sensor and the magnet. The method of claim 1,
A groove is formed on each surface of the body, and a protrusion corresponding to the groove is formed at an end of the key assembly, and when the key assembly is wound, the protrusion is formed to fit into the groove,
When the key assembly is wound around the body, the supply of power is cut off, and when the key assembly is unfolded from the body, power is supplied.

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