KR101773054B1 - Compact computer having office application user interface improved user intuition - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a small-sized computer apparatus having an office application UI with enhanced user intuitiveness, and more particularly to a computer apparatus which is difficult to apply a mouse and a keyboard to a portable information communication apparatus, a smart phone, a netbook, The present invention relates to a small computer apparatus having an office application UI which enhances the user's intuitiveness so that work such as an accelerator, a power point and a word can be more easily performed.
A computer device according to the present invention includes an office module for arranging a menu bar of an office application UI in a similar manner to a direction indicating position of an input module, a video interface for converting a digital video signal into an analog video signal and outputting the analog video signal to a display module, And controlling the input module and the office module so that a menu of one of the menu bars can be selected by the selection of the input module, and associating the menu bar with the direction indicating position of the input module, And a control module for controlling the video interface so that a screen according to the result is output.

Description

[0001] COMPUTER COMPUTER HAVING OFFICE APPLICATION USER INTERFACE IMPROVED USER INTUITION [0002]

The present invention relates to a computer apparatus having an office application UI with enhanced user intuitiveness. More particularly, the present invention relates to a computer apparatus having an office application UI, such as a portable information communication apparatus, a smart phone, a netbook, a tablet PC, The present invention relates to a computer apparatus having an office application UI that enhances the user's intuitiveness so that the work of office applications such as PowerPoint, Hangul, etc. can be made easier.

Due to the development of science and technology in recent years, various types of computers are being developed. Due to the development of information and communication technology, users want to use computers regardless of place and time.

Various small computer devices such as a tablet PC, a netbook, a smart phone, a personal digital assistant (PDA), and a hand-held personal computer (HPC) have been developed to meet the needs of such users.

However, there is a problem in that it is very difficult to perform an office program such as a Hancom office or a MS office in a small computer device without a mouse and a keyboard.

In addition, existing office programs can be classified into a pull-down method in which a lower menu is opened downward when a single menu is selected, or a group of tool bar icons are classified into tabs, tabs are switched to tabs for selecting corresponding functions A small computer device displays a menu in a small size according to the size of the screen, making it difficult to accurately select one menu.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a small computer apparatus having an office application UI which is drawn out in order to solve the above-mentioned problems and which enhances user's intuitiveness so that an elaborate and complicated office work can be easily performed.

According to another aspect of the present invention, there is provided a computer apparatus having an office application UI having enhanced user intuitiveness, including: an office module for arranging a menu bar of an office application UI similar to a direction indication position of an input module for inputting data; A video interface for converting the digital video signal into an analog video signal and outputting the analog video signal to the display module; And controlling the input module and the office module so that a menu of one of the menu bars can be selected by the selection of the input module, associating the menu bar with the direction indicating position of the input module, And a control module for controlling the video interface to output a screen according to a result of the operation.

The computer device having the office application UI rule of the present invention is provided such that the menu of the office application UI is arranged similarly to the direction indicating position of the input module so that the user can intuitively operate the input module to easily and accurately select the menu And can be executed.

1 is a block diagram of a computer apparatus according to an embodiment of the present invention.
FIG. 2 shows a Tiny computer which can be constructed including the block structure shown in FIG.
3 to 6 show an office work screen in a computer apparatus according to an embodiment of the present invention.
FIGS. 7 and 8 illustrate a tablet PC that may include a block configuration as shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

When an element is referred to as being "comprising" an element throughout the specification, it is understood that the element may include other elements, not the exclusion of any other element, unless specifically stated otherwise. Also, the term " module " described in the specification means a unit for processing at least one function or operation, which can be implemented by hardware, software, or a combination of hardware and software.

1 is a block diagram of a computer apparatus according to an embodiment of the present invention.

1, a computer apparatus according to an exemplary embodiment of the present invention includes a processor 110, a main memory module 120, an auxiliary memory module 130, a drive interface 140, a directional input key module 150, A touch screen 160, a keyboard module 170, an input interface 180, a sensor 190, a vibration motor 200, a video interface 210, a display module 220, a GPS 230, a camera 240 A Bluetooth module 250, a Wi-Fi module 260, a network interface 270, an I / O port 280, a power supply module 290, a system bus 295, And a control module (300).

The processor 110 may be implemented as an Intel Atom series processor or an ARM series processor. Any processor that is employed in a desktop, a smart phone, a netbook, a tablet PC, or the like may be employed in the present invention.

The main memory module 120 includes a ROM 121 in which a BIOS 122 is stored, an operating system, various applications and various data to the processor 110, and a RAM (123). The RAM 123 specifically includes an operating system 124, a video codec 125 and a device driver 126 that are loaded into the RAM 123 from the auxiliary storage module 130 and booted when the computer system is booted, And various applications, particularly office modules 127, which are loaded into the RAM 123 and activated in the process.

The OS 124 supports a graphical user interface (GUI) and a multitasking environment, and any OS can be used as long as it can use the office application UI.

The video codec 125 encodes or decodes image data, and may be implemented by hardware such as a graphic processor unit (GPU).

The device driver 126 is a driving program that causes an input module such as a directional input key module 150, a touch screen 160, or a keyboard module 170 to operate under an operating system 124.

The office module 127 may be an application itself capable of performing various office work such as a Hangame Office, a Microsoft Office, a Hangul Hangul, an Accelerator, a Power Point, a Word, etc., Module. The office module 127 may provide a menu of the office application UI as a pull-down method or a tab switching method, which is an existing menu providing method, or may arrange and provide a menu bar similar to the direction indicating position of the input module. The direction indication position of the input module is changed according to the type of the input module.

The auxiliary storage module 130 may be implemented as a solid state drive (SSD), for example, and the drive interface 140 may connect the auxiliary storage module 130 to the processor 110 via the system bus 295. [ And the main memory module 120 or the like. Here, SSD is a semiconductor-based information storage device that is faster than a hard disk drive (HDD) and has less mechanical delay, failure rate, heat generation and noise, and can be downsized and lightweight. The auxiliary storage module 130 may be implemented by various information storage devices such as an HDD in addition to the SSD described above.

The directional input key module 150 is an input module in which a plurality of direction indicating positions for inputting data to a computer device are radially spaced apart from each other about a reference position within a predetermined input area, An input unit including a pushing portion capable of inputting a directional pushing in a radial direction and a movable portion capable of inputting a directional movement, and a sensing unit for sensing the directional push input and the directional movement input. More specifically, the directional input key module 150 selects a reference position provided in the input unit, wherein the selection is made by pressing the pushing portion provided on the reference position or touching or depressing the touch sensor provided on the reference position A central selection input to which the input unit itself ascends and descends; Selecting one of a plurality of first direction indication positions radially spaced apart from each other about a reference position, wherein the selection is made by pressing any one of the pressing portions provided at each of the plurality of first direction indication positions, A direction pressing input for touching any one of the touch sensors provided at the one direction indicating position or for tilting the input unit toward one of the plurality of first direction indicating positions; As the input unit is moved (slide or tilted) to any one of a plurality of second direction indication positions spaced apart radially from the reference position in the predetermined input radius, the plurality of second direction indication positions A direction movement input in which any one of the two directions is selected; Directional rotation input in which the input unit rotates in the left-right direction or the circumferential direction at a plurality of first direction indication positions or a plurality of second direction indication positions, respectively, or a direction combination input in which two or more of these inputs are combined . Also, the other may be performed while either one of these inputs is performed. Also, these inputs may be multi-stage input of two or more stages depending on the difference in travel distance or difference in pressing pressure. As described above, the directional input key module 150 is capable of performing various inputs by imparting directionality to pushing and moving inputs. It is possible to perform fast input in a narrow space and to input at one time by a single input operation There is an advantage that more data or signals can be allocated. In addition, there is an advantage that the keyboard, the mouse, and the stylus pen can be replaced by the direction push input, the direction movement input, the direction rotation input, or the direction combination input. More details are given in PCT / KR2006 / 004707, PCT / KR2007 / 003611, PCT / KR2008 / 001359, PCT / KR2008 / 007230, PCT / KR2008 / 007232 and PCT / KR2008 / For the sake of convenience, a detailed description thereof will be omitted in the present invention.

In addition, the configuration of the directional input key module 150 is not limited to the input means invented by the present inventor, and any type of input means capable of inputting in the radial direction is possible. Those skilled in the art will appreciate that suitable input means may be adopted in the present invention by modifying suitable input means depending on the operating environment or the intended use.

In addition, the directional input key module 150 is coupled to the control module 300 and the office module 127, which may include a processor 110, an operating system 124, and a device driver 126, It provides an input interface suitable for office work on small computer devices that are difficult to apply.

3 to 6 show an office work screen in a computer apparatus according to an embodiment of the present invention.

The office module 127 may provide a menu of the office application UI according to a user's input operation by a pull-down method or a tab switching method, which is an existing menu providing method, or may arrange and provide a menu bar similar to an input module direction indicating position It is possible. Switching the menu presentation method of the office application UI can be done in various ways. For example, the computer device may be provided with a button or a key for switching the method of providing a menu. In another example, it may be switched by operating the directional input key module 150 or the keyboard module 170 that is set in advance for switching the menu providing method. As another example, the menu of the office application UI may be switched by providing a menu for switching the menu providing method. The switching of the menu providing method can be switched by various methods in addition to the above-described examples, and a detailed explanation will be omitted because it can be easily understood by those skilled in the art.

Providing the menu of the office application UI by the pull-down method or the tab switching method is the same as the conventional menu providing method, so that detailed description is omitted. Below, a method of arranging and providing the menu bar similar to the direction indication position of the input module Will be described in detail.

2, when two directional input key modules 150 are provided on the left and right sides of the touch screen 160, respectively, the left menu bar A 'corresponding to the left directional input key module and the right menu bar A' The right menu bar A "corresponding to the input key module is arranged on the left and right sides of the top of the screen, respectively. Here, the arrangement of each menu bar corresponds to the reference position of the directional input key module and the first direction indication position For example, when the first direction indicating position (or the second direction indicating position) is located at eight positions in eight directions around the reference position, the menu bar corresponds to a menu bar And may be arranged in the same circular shape as the shape of the directional input key module 150 of Figure 2, in which eight menus are radially spaced about the centered orientation key module 150. The shape of the directional input key module 150 is a circle And the menu bar may be arranged in the same shape as the shape of the directional input key module 150. Alternatively, as shown in FIG. 3, the width / 3 * 3 * 3 matrix, that is, only the arrangement may be the same, but the overall shape may be different if the user can recognize that the arrangement between the two is the same. Even if the first direction indicating position and the second direction indicating position are different from each other, if both of the first direction indicating position and the second direction indicating position are located on the same line with respect to the reference position, the arrangement form is the same. And the second direction indicating position of the directional input key module 150. When the arrangement of the menu bar is set to be a multiple of the direction indicating positions of the directional input key module 150 When the directional input key module 150 selects one of the plurality of direction indicating positions by the user's input operation, the directional input indicating position is positioned at the selected direction indicating position (Or second direction indicating position) is located at eight positions in eight directions around the reference position, the present invention is not limited to this, and the first direction indicating position (or second direction indicating position) The second direction indicating position) is located at four positions in four directions or at twelve positions in twelve directions around the reference position, and four or twelve menus may be radially spaced correspondingly.

On the other hand, the central selection input can be utilized for switching the operation mode of the directional input key module 150. If so, the menu is not arranged in the center corresponding to the reference position. In other words, the office module 127 can arrange the menu bar in the same manner as the arrangement of the first direction indicating positions except for the reference position. At this time, the form of the menu bar may be the same as the above-described matrix or circular shape, but the menu is not arranged in the center only. Here, the operation mode of the directional input key module 150 includes a mouse input mode for operating the directional input key module 150 with a mouse, a key input mode for inputting characters with the directional input key module 150, A menu selection mode for selecting a menu with the module 150, and so on. Alternatively, the left directional input key module may be a menu selection, the right directional input key module may be a menu selection / mouse mode for use as a mouse, and a key input mode. Alternatively, the left / right side may be configured as a menu selection mode for menu selection, and the left side may be a character input mode and the right side may be used as a mouse / mouse input mode. Here, the number of these operation modes and the construction method are not limited to the above-mentioned examples, but are design changes. It is also something that the user can change to suit himself.

In addition, the operation mode of the directional input key module 150 can be switched by pressing the pusher provided on the reference position long or by touching the touch sensor provided on the reference position for a long time. In this case, even if the central selection input is for switching the operation mode, the menu can be selected by the short press or the short touch. Therefore, the menu can be arranged in the center corresponding to the reference position as described above.

According to a characteristic aspect of the present invention, the control module 300 is a directional push input, i.e., a directional movement input rather than a directional push input when the menu bar A is arranged similar to the second directional indication position - And controls the directional input key module 150 and the office module 127 so that any one of the menu bars can be selected according to the selection input. In particular, the reference position and the plurality of first direction indicating positions (or the plurality of second direction indicating positions) correspond one-to-one to menus arranged at the same position in the arrangement. Accordingly, when the operation mode of the directional input key module 150 is a mode in which a menu can be selected, a menu can be selected only by a single key operation without moving the mouse pointer over the corresponding menu. Also, since the one-to-one correspondence between the same positions, the user can intuitively select the menu.

In addition, the control module 300 controls the video interface 210 such that a screen according to the operation result of the office module 127 is output. For example, as shown in FIG. 3, when the user operates the left directional input key module to select the 'home' menu among the menu bar A 'displayed on the left side, 4, the user operates the right directional input key module to select 'Review' among the menu bar B 'displayed on the right side of the menu bar A' When selected, the lower menu bar B "of the menu can be displayed on the left side of the screen. 5, the lower menu bar C '' may be overlaid on the upper menu bar C '. Here, although only a part of the upper menu bar is illustrated as being covered in FIG. 5, On the other hand, if there is another sub-menu bar in the sub-menu bar, the sub-menu bar may be displayed on the opposite side or overlaid on the upper menu bar, as described above. It is possible to apply at least one of functions such as color, highlight or blinking to the menu selected to distinguish the selected menu from the unselected menu as shown in Figure 3. In addition, In order to distinguish the sub-menu bar, the background color of the menu bar and the sub-menu bar, the font type, and the font size may be different.

When the number of the menu bars of the office application UI is larger than the number of the menu bar displayed on the left side or the menu bar displayed on the right side, the menu bar of the office application UI is displayed on the menu bar displayed on the left side and the menu bar displayed on the right side . If the number of submenus is larger than the number of menu bars displayed on the left side or the number of menu bars displayed on the right side, a sub menu may be displayed on the menu bar displayed on the left side and the menu bar displayed on the right side.

6, when the operation mode of the directional input key module 150 is a mode in which characters can be input, the control module 300 controls the corresponding virtual key board 150 of the directional input key module 150 The virtual keyboards D 'and D "correspond to the reference position, the plurality of first direction indication positions, and the plurality of second direction indication positions, respectively, Each assigned input value is arranged. Here, the input values are arranged in the same manner as the arrangement of the reference position, the plurality of first direction indication positions and the plurality of second direction indication positions. For example, consonants may be arranged for direction movement inputs, and vowels may be arranged for direction push inputs. Since various examples are described in the above-mentioned patent publication, a detailed description thereof will be omitted in the present invention. 6, the left keyboard D 'corresponds to the left directional input key module, and the right keyboard D "corresponds to the right directional input key module. Further, the virtual keyboard D' , D ") may be preset or the user may manipulate the configuration menu to arrange them as desired.

The touch screen 160 is an input module in which a plurality of direction indicating positions for inputting data to a computer device are arranged in a predetermined input area, and can be implemented in various forms such as an electrostatic capacity type, a resistive type, or an optical type . When the input module is composed of the touch screen 160, the direction indicating positions of the input modules for inputting data are arranged in a matrix of horizontal / vertical n * m in a predetermined input area, and the menu bar of the office application UI is horizontal / (m may be a number equal to n or some other number) in correspondence to the direction indicating position in the form of an n * m matrix. A method of selecting a menu by operating the touch screen 160 can be easily understood by a person skilled in the art and the submenu of the menu selected after menu selection is displayed on the screen.

The keyboard module 170 includes an input module in which a plurality of positions for inputting data to a computer device are arranged in a predetermined input area, and specifically includes a keyboard and a sensing unit for sensing the pressing or touching of each button on the keyboard . Here, the arrangement of the keyboard may be formed as a QWERTY keyboard, a 3 * 4 keypad arrangement, or the like. Meanwhile, the keyboard module 170 may be used for selecting a menu bar as described above. Accordingly, the menu bar is arranged in the same manner as the arrangement of some of the plurality of buttons on the keyboard. For example, when the keyboard is a QWERTY keyboard, as shown in FIG. 2, the same arrangement as the buttons in which the letters "Q, W, E, A, S, D, Z, X and C & The left menu bar is arranged and the right menu bar can be arranged in the same manner as the arrangement of the buttons to which the letters "I, O, P, K, L, :, ", & The menu is selected by operating the keyboard module 170, and the submenu of the selected menu is displayed on the screen as described above.

The input interface 180 connects the input modules to the processor 110 and the main memory module 120 through the system bus 295.

The sensor 190 includes a gyro sensor that senses the motion or state of the computer device, an acceleration sensor or gravity sensor, an illuminance sensor that detects a change in ambient brightness, and a proximity sensor that detects whether the object is approaching or not can do. Here, the gyro sensor, the acceleration sensor, and the gravity sensor can be applied to an alarm snooze, screen automatic rotation, or motion recognition. The illuminance sensor can be applied to automatic adjustment of the screen brightness and the like. In addition, the proximity sensor can be applied to an automatic locking of the touch screen when an object is close to the touch screen. The technical contents of such sensors are well known in the art and can be sufficiently modified by those skilled in the art.

The vibration motor 200 can be applied to touch vibration, alarm vibration, and the like.

The video interface 210 converts a digital video signal into an analog video signal and outputs the analog video signal to the display module 220. The video interface 210 performs a graphic acceleration function to solve a bottleneck caused by the graphics operation of the processor 100, A graphics processing unit that performs video overlay using a graphics acceleration function, a video memory that serves as a frame buffer for temporarily storing image information to be displayed on the display module 220, (RAMDAC) for converting the analog information into analog information and outputting the analog information to the display module 220.

The display module 220 can be variously implemented as a TFT-LCD (Thin Film Transistor Liquid Crystal Display), an LED, a PDP, and an OLED.

The GPS 230 may be applied to a map application, for example, a Google Maps service, and may be applied to a location information of a user or a quick route guidance service.

The camera 240 is applied to a service for guiding peripheral information, such as a coffee shop, a gas station, a school, etc., on the screen in cooperation with the augmented reality application, for example, Layar, the GPS 230 and the map application .

The network interface 270 connects the Bluetooth module 250 and the Wi-Fi module 260 to the processor 110 and the main memory module 120 via the system bus 295.

The I / O port 280 connects the external device to the processor 110 and the main memory module 120 through the system bus 295. The I / O port 280 includes a power adapter port, a USB (Universal Serial Bus) port, a MIC A speaker port, an earphone port, a Secure Digital (SD) card port, and a video graphics array (VGA) port.

The power supply module 290 may include a battery and a charging unit that charges the battery using DC power input through the power adapter port.

2, the computer apparatus of the present invention includes a main body 10, a slider 20 slidable up and down with a touch screen 160 and a display module 220 mounted thereon, have. Here, since the sliding method is a well-known technique, a detailed description thereof will be omitted.

The computer device of the present invention is not limited to the above-described components, and may further include various components or may be omitted. For example, the computer device may be equipped with a mobile phone function by additionally mounting a mobile communication module (not shown).

The computer apparatus of the present invention is not limited to the above-described embodiments, but can be implemented in various ways within the scope of the technical idea of the present invention.

In addition, the computer apparatus according to the present invention may be a tablet PC, a smart phone, a netbook, various mobile terminals, and the like in addition to the small computer apparatus as shown in FIG.

FIGS. 7 and 8 are perspective views of a tablet PC, which may include the electrical block configuration shown in FIG.

As shown in FIG. 7, the tablet PC according to an embodiment of the present invention includes a main body 410 including the above-described office module, video interface module, and control module, a directional input key module 421, (423), or an interface device (420) comprising both of these modules and removable from the body (410). The main body 410 may include a first main body 411 and a slider 413 slid up and down in the first main body 411 with the touch screen mounted thereon. Since the sliding method is a well-known technique, a detailed description thereof will be omitted. 7, a mounting space 411a for mounting the interface device 420 is formed at the lower end of the first main body 411. In addition, as shown in Fig. The mounting space 411a is opened and closed by the sliding operation of the second main body 413.

8, the tablet PC according to another embodiment of the present invention includes a main body 510 including the above-described office module, the video interface module, and the control module, An interface device 520 comprising a directional input key module or a keyboard module or both of these modules, and a mount 530 on which the main body 510 can be installed. Here, the holder 530 is detachable from the main body 410.

The interface devices 420 and 520 may further include a wireless transmission module for wirelessly transmitting data input through the input module to the main bodies 420 and 520, for example, a Bluetooth module and a battery for power supply.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (14)

1. A computer apparatus having an office application UI,
An office module for arranging the menu bar of the office application UI so as to correspond to the direction indicating position of the input module;
A video interface for converting the digital video signal into an analog video signal and outputting the analog video signal to the display module; And
Wherein the control unit controls the input module and the office module so that a menu of one of the menu bars can be selected by the selection of the input module and associates the menu bar with the direction indicating position of the input module, And a control module for controlling the video interface to output a screen according to the video signal,
A main body including the office module, the video interface module, and the control module; And
A directional input key module and a keyboard in which a plurality of direction indicating positions for inputting data to a computer device are radially spaced apart from each other about a reference position in a predetermined input area, An interface device including a keyboard module comprising a sensing unit, the interface device being detachable from the body;
/ RTI >
The body
A first body;
A second body slidable up and down in the first body with a touch screen mounted thereon;
Lt; / RTI >
A mounting space for mounting the interface device is formed at a lower end of the first main body, and the mounting space is opened and closed by a sliding operation of the second main body,
The directional input key module operates in any one of a mouse input module for operating the input module with a mouse, a key input module for inputting characters, and a menu selection mode for selecting the menu bar and,
Wherein one or more functions of flickering, highlighting or color conversion are applied to a selected one of the left or right menu bars. The method according to claim 1,
Wherein the directional input key module includes an input unit and selects either one of a center selection input for selecting a reference position provided in the input unit and a plurality of first direction indication positions spaced radially from the reference position A direction pushing input is performed,
Wherein the menu bar is arranged in a structure corresponding to the arrangement of the reference position, the plurality of first direction indication positions or the arrangement of the plurality of first direction indication positions. 3. The method of claim 2,
Wherein the directional input key module comprises a directional input key module which is operated by moving the input unit to any one of a plurality of second directional indication positions radially spaced from the reference position within a predetermined input radius about the reference position, Can be performed independently of the direction pressing input or in a state in which the direction pressing input is performed,
Wherein the key input or the mouse input is possible by a combination of the direction push input, the direction movement input, or the direction push input and the direction movement input. The method according to claim 1,
The directional input key module includes an input unit, a center selection input for selecting a reference position provided in the input unit, and a plurality of second direction indication positions radially spaced from the reference position, Performs a direction movement input performed according to the movement,
Wherein the menu bar is arranged in the same structure as the arrangement of the reference position and the plurality of second direction indication positions or the arrangement of the plurality of second direction indication positions. 5. The method of claim 4,
Wherein the directional input key module has a directional push input for selecting any one of a center selection input for selecting a reference position provided in the input unit and a plurality of first direction indication positions radially spaced from the reference position, Wherein the control unit is operable independently of the direction movement input or in a state in which the direction movement input is performed,
Wherein the key input or the mouse input is possible by the combination of the direction pressing input, the direction movement input, or the direction pressing input and the direction movement input. 6. The method according to any one of claims 3 to 5,
The first reference point, the second reference point, the second reference point, the first reference point, the first reference point, the first reference point, the first reference point, And arranges them in the same manner as the arrangement of the computer device. delete The method according to claim 1,
Wherein the input module comprises a touch screen,
Wherein the menu bar is arranged in a matrix of horizontal / vertical n * m. delete The method according to claim 1,
Wherein the directional input key module is provided on the left and right sides of the computer device,
Wherein the office module arranges a menu bar corresponding to the left and right directional input key modules on the upper left and right sides of the screen. 11. The method of claim 10,
Wherein the left or right menu bar is an upper or lower menu bar of the other party. delete 12. The method of claim 11,
Wherein the upper menu bar and the lower menu are different in at least one of a background color, a font size, and a font. delete

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