JP3094059U - Standard keyboard with multimedia function - Google Patents

Abstract

(57) [Summary] (Modified) [Problem] By switching between existing keys,
Provide a keyboard that can change original function keys to multimedia function keys. SOLUTION: A multimedia function is formed by giving a definition of a second layer to a function key set in a keyboard, and a setting key set for matching with the function key set is provided.
A scan array connection is formed by an I / O port lead of a microprocessor inside a keyboard, a status flag of a microcomputer is changed according to an interlock characteristic between two keys, a scan key is changed, and an operation is performed by an application program. To enable the user to operate the function key set, and to provide a light emitting diode so that the switching state of the keyboard can be identified from the light emitting diode.

Description

[Detailed description of the device]

[0001]     (Technical field to which the device belongs)   The present invention relates to a standard keyboard, especially when the user In addition to directly operating the function key set, display and key The keyboard switching state can be identified from the light emitting diode on the board, By switching the original key without the need to add a key to the original fan Function key to convert multimedia function keys to multimedia function keys. This is a device related to a standard keyboard.

[0002]     (Conventional technology and its problems)   Fig. 1 and Fig. 2 show the expanded keys of the conventional multimedia keyboard. It is explanatory drawing which shows the state which does, and explanatory drawing which shows the conventional standard keyboard. So As shown in the drawings, the multimedia keyboard 1 is a standard stander. Multiple multimedia function keys on the keyboard 2 (K / B) -11 (hot key) (eg VolumeUp, VolumeDn, Mut e, WWW, Record, Rewind, Close ... etc. Function keys), and those multimedia Scan the scan code of function key 11 to the Windows system application. User to directly execute special functions according to the application program. Display by operating function keys on the keyboard The operation status is identified from the screen of the Expansion and expansion of function keys in addition to the general-purpose keys of the keyboard (K / B) When doing so, the volume of the standard keyboard 2 (K / B) may be increased. And significantly improve the cost of placing the multimedia function key 11 Sometimes (about 2-3 US dollars per function key ).

[0003]   In addition, in the conventional product, by adding one key to the keyboard, Control keys for keyboard 2 (K / B) and multimedia keyboard 1 There is something to do. In such cases still fix the keyboard manufacturing mold It does not have much substantial help in reducing costs as it has to be done. See you When using a standard keyboard (K / B), scroll lock directly Standard keyboard by operating key or number lock key (K / B) control key set also serves as a multimedia function There is something you want to have. Of the Windows system (Win95) Depending on the register, the screen scroll lock key or number lock key flag Flag bit is detected and the flag bit is determined by a driver. Turn off and perform code conversion work. After that, Wi provided by Windows API nExec0 function expression file path and application program Put them in the file name coefficient and add multimedia to those control key sets. I have an ear function. In such cases, some keys This is a preferable measure because it may lose the original function of the It can not be said.

[0004]   In consideration of the problems of each of the above conventional keyboards, the inventor of the present invention has conducted research and development. The multimedia funk based on many years of experience in the industry. We propose a standard keyboard that doubles as You only have to operate the function key set in the The keyboard switching status can be identified by the light emitting diode on the keyboard. It is not necessary to add a new key by the above procedure, but the original key is Convert original function key to multimedia key by switching Aim for the purpose.

[0005]   Therefore, the present invention allows the user to directly touch the keyboard directly above the keyboard. Function key set, you can operate the flash key You can identify the keyboard switching state from Iodo etc. The original function keys are multimedia without the need to add new keys Standard with multimedia function that has the effect of converting to a key Its main purpose is to provide a keyboard.

[0006]     (Means for solving the problem)   To achieve the above purpose, the present invention provides a function key in a keyboard. Add multimedia functions by adding a second layer definition to the set Setting keys to form and match with those function key sets Set a set and use it for the I / O port lead of the microprocessor inside the keyboard Therefore, a scan array connection is formed and the characteristics of the interlock between two keys are Therefore, the status flag of the microcomputer is changed and the scan key is changed. And the Windows system recording database and application Depending on the application program consisting of the application program interface To perform the operation, and the user can directly Light emitting diode on the display or keyboard. Is provided, and the switching state of the keyboard can be identified from the light emitting diode. Switch existing keys to each other without adding new keys The effect of changing the original function keys to multimedia keys Provide a standard keyboard with multimedia functions that can be achieved It

[0007]   Hereinafter, preferred embodiments of the present invention will be described in detail and specifically with reference to the accompanying drawings. As will be described, their structure is merely an excellent embodiment of the present invention, It goes without saying that this is not a narrow limit.

[0008]     (Preferred embodiment of the invention)   FIGS. 3 to 6 are explanatory views showing the standard keyboard of the present invention and FIG. Shows the electrical schematic and electrical scan array of the internal microcomputer connection of 3 is an explanatory diagram and a key scan flowchart. As shown in the drawing of it, The keyboard 3 is a facility for two-way communication, and is a computer Issue a command to the keyboard 3, the keyboard 3 And the microcomputer 31 in the keyboard 3 constantly responds To detect the scan array. In addition, the original scroll of the microcomputer 31 Replacing the mono-color LED, which represents Lulock, with the two-color M1LED312, The micro computer 31 constantly detects whether a key is pressed. Also, Windows application program key (AP (P key) 311 is set as a setting key, and the setting key is a function. Set with any one of the function keys in the key set A key set is formed, and “APP” + “F1” or “AP” is used as the setting key set. P "+" F2 "or" APP "+" F3 "or" APP "+" F4 "or" APP "+ "F5" or "APP" + "F6" or "APP" + "F7" or "APP" + "F8" "Or" APP "+" F9 "or" APP "+" F10 "or" APP "+" F11 " Or "APP" + "F12" or "APP" + "Esc" or "APP" + "Caps "Lock" or "APP" + "NumLock" or "APP" + "Pause" Which one set can be used, and the microcomputer 31 is a scan array. When it is detected that the key has been pressed, the pressed key is the APP key 311. If it is released, the state of the APP key 311 is detected. If this key is recognized as a general key and the APP key 311 is pressed, And when another function key 314 is pressed, the microcomputer 31 performs the comparisons one by one and generates a filter function, for example F1 When it is detected that the key 2 is pressed, the microcomputer 31 registers The flag state in the state is changed, that is, from the enabled state to the non-enabled state. Switch to or from enable state to enable state and disable In the case of the flag state, the M1 LED 312 is turned off, and the mark flag state is When it is enabled, M1 LED312 lights up and the user is getting a funk. Entering the second layer multimedia function of option key 314 And the user releases the F12 and APP keys, the microcomputer 31 Sends a break code for APP key 311 and the Windows operation In the case of the system, it is the same as pressing the right mouse key on the computer screen. Screen is displayed. At this time, the keyboard 3 sends the ESC code and the right mouse key is pressed. Eliminate the same screen as when is pressed, and aim for the overall setting. Also it Scans constantly, and if it detects that more keys are pressed, it will Function switch switch key, if not, Keep original input mode and send proper keyboard scan code to keyboard And repeat those operations.

[0009]   The microcomputer 31 detects that a key has been pressed by the scan array. When the key is pressed, the relevant key is the setting key for the function changeover switch key. If yes, switch the flag recording state in the case of Yes, When the microcomputer 31 closes the scan array of the second layer, the microcomputer 31 closes the scan array of the first layer. Return to the can array function. With the function key 314 of the present invention The layer scan array function allows you to scan yourself according to your actual needs. B can be increased or decreased.

[0010]   Since the present invention is a standard keyboard 3, the user can In order to make it clear whether the state of 3 is in the multimedia state, Hold the three original light emitting diodes 313 in the standard keyboard 3 While changing the other one to a 2-color light emitting diode (M1LED312), Distinguish by distinction or whether it is on or off Be able to identify.

[0011]   With a general keyboard controller, the SINK current that can be tolerated is the FANOUT current Because it is larger, we have adopted a co-anode light emitting diode 313, for example 3 and control key sets and screen scroll keys and numbers shown in Figure 4 It's like a lock key. In addition, the standard keyboard functions Key 314 has general functions, APP key 311 and fan Switching can be performed with the operation key 314, and the original function key 31 4 can also have a multimedia function. The fan Function keys are VolumeUp, VolumeDown, Mute, WebH ome, Refresh, WWW.Stop, Back, Forward, E-ma il, Search, Favorites, Play, NextTrack, P revisionTrack, Stop, Calculator, MyCompu ter, Game, A +, A-, Zoom, etc. Is the original function, Esc, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PrintScreen, Scroll Lock, Pause, Insert, Home, PageUp, Delete , End, PageDown, etc., or software tool key H elp, New, Open, Save, Replace, Bold, Spell , Bullets, Reply, F'ward, send, TaskPane, Print, Redo, Undo, Cut, Copy, Paste, Close Can be switched to.

[0012]   The function key is a micro computer having an internal electric circuit structure of the keyboard 3. It is connected to the scan array consisting of the leads of the I / O port of the computer. Two keys Key scan code is changed according to the interlock characteristic of If you press the other function key 314 while pressing the PP key 311 Keys are interlocked (so-called two keys are interlocked with one key If you press any other key while pressing, the reaction will occur). For example, if you press F12 while holding down the APP key 311 Parameter to change its state, in this case the original function (e.g. Esc, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10 , F11, F12, PrintScreen, ScrollLock, Paus e, Insert, Home, PageUp, Delete, End, Page The entire set (eg Down) is converted to multimedia key functions. In addition, the function key 314 is a representative of multimedia functions. You can print the symbol to do. Change scan code between keys in all sets If the Windows system application program is executed, If the user operates the control key on the standard keyboard, The corresponding function is displayed on the display screen.

[0013]   Also, note that the microcomputer 31 of the present invention does not change the state. The flow becomes as shown in FIG. That is, the APP key 311 When is released, the image when the right mouse key is pressed on the computer screen Screen is displayed, and at this time, the keyboard automatically outputs the key scan code of the ESC key. Send and get rid of that screen. Also, the keyboard may be tailored to specific software. WinExec0 function formula provided by Windows API The path where the file is located and the coefficient of the application program filename If you do so, the user will You can operate the control key set and identify the reaction of the operation from the screen.

[0014]   For example, the function key 314 is set to the multimedia function state. In some cases, the user may have a multimedia "player" on the keyboard. When you press a function key (hot key), the Windows system application Application program is a "Player" key press on the keyboard Scan the scan code, and the scan code is the function key code. Function of "Player" from the scan code If you determine that the key is indeed a function key you press, you can Windows system application program provided by Windows API The function expression of WinExec0 and the path where the file of "Player" is located and the application Application program PLAYER. EXE (Bundle With Wind) ows (registered trademark) 95) is put in the coefficient of the file name, In case of the above, the "Player" is activated and displayed on the screen of the current display unit. .

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a key expansion state of a conventional multimedia keyboard.

FIG. 2 is an explanatory diagram showing a conventional standard keyboard.

FIG. 3 is an explanatory view showing a standard keyboard of the present invention.

FIG. 4 is an explanatory diagram showing a connection electric circuit of a microcomputer inside the present invention.

FIG. 5 is an explanatory view showing an electric circuit scan array of the internal microcomputer of the present invention.

FIG. 6 is a flowchart showing a key scan flow of an internal microcomputer of the present invention.

[Explanation of symbols]

1 multimedia keyboard 2 standard keyboard 3 standard keyboard 11 multimedia function keys 311 APP key 312 M1 LED 313 light emitting diode 314 Function key

Claims (6)

[Scope of utility model registration request] 1. A multimedia function is formed by assigning a definition of a second layer to a function key set in a keyboard, and a setting key set for matching with the function key set is provided, and a microprocessor inside the keyboard is provided. I / O
2) Scan array connection is formed by port lead
The status flag of the microcomputer is changed according to the interlock characteristic of two keys, the scan key is changed, and the operation is executed by the application program consisting of the Windows system recording database and the application program interface, and the user directly The function key set can be operated on the keyboard, and a light emitting diode is provided on the display or the keyboard so that the switching state of the keyboard can be identified from the light emitting diode. With the multimedia function, it is possible to achieve the effect of changing the original function keys to multimedia keys by switching the keys. Tan hindered keyboard. 2. The standard keyboard with multimedia function according to claim 1, wherein two color light emitting diodes are adopted as the light emitting diodes. 3. "APP" + as the setting key set
"F1" or "APP" + "F2" or "APP" + "F
3 ”,“ APP ”+“ F4 ”,“ APP ”+“ F5 ”,“ APP ”+“ F6 ”,“ APP ”+“ F7 ”,“ AP ”
P "+" F8 "or" APP "+" F9 "or" APP "+
"F10" and "APP" + "F11" and "APP" +
"F12" and "APP" + "Esc" and "APP" +
"CapsLock" or "APP" + "NumLoc"
The standard keyboard with multimedia function according to claim 1, wherein any one set such as "k" or "APP" + "Pause" is used. 4. The function keys are multimedia control keys VolumeUp, VolumeDo.
wn, Mute, WebHome, Refresh, WW
W. Stop, Back, Forward, E-mai
l, Search, Favorites, Play, N
extTrack, PreviousTrack, St
op, Calculator, MyComputer,
Switch to Game, A +, A-, Zoom, etc., or the original function, Esc, F1,
F2, F3, F4, F5, F6, F7, F8, F9, F
10, F11, F12, PrintScreen, Sc
rollLock, Pause, Insert, Hom
e, PageUp, Delete, End, PageD
can be maintained, or software tool keys Help, New, Open, Save, Replac
e, Bold, Spell, Bullets, Repl
y, F'ward, send, TaskPane, Pr
int, Redo, Undo, Cut, Copy, Pa
The standard keyboard with multimedia function according to claim 1, wherein the standard keyboard is switchable to ste, Close, or the like. 5. The standard keyboard with multimedia functions according to claim 1, wherein an indicator lamp comprising one or more co-anode light emitting diodes is provided in the LED indicator area of the keyboard. 6. A standard keyboard with multimedia functions as claimed in claim 1, characterized in that the keyboard can be used by adapting specific software.