CN2525587Y

CN2525587Y - Computer keyboard

Info

Publication number: CN2525587Y
Application number: CN 01266353
Authority: CN
Inventors: 张立辉; 白刚; 陈宏宇
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2001-11-28
Filing date: 2001-11-28
Publication date: 2002-12-11
Anticipated expiration: 2011-11-28

Abstract

The utility model provides a novel computer keyboard, comprising a flying shuttle device for realizing a switch between different users, wherein, the flying shuttle is composed of the two parts of a rotary button and an encoder module; the rotary button is used to generate a series of rotating and pushing actions in order to switch to a different user mode; the encoder module connected with the rotary button and a keyboard chip in the keyboard is used to convert the series of rotating and pushing actions generated by the rotary button to corresponding control signals and then provide the control signals to the keyboard chip in the keyboard.

Description

Computer keyboard

Technical field

The utility model belongs to field of computer technology, especially relates to the external input equipment of computing machine.

Background of invention

Along with the renewal day by day of Microsoft's computer operating system and the unlimited stretching, extension of function, and the user is to the demand day by day of computer system hardware resource sharing, multi-user's switching that microsoft system company has taken the lead in its latest edition operating system Windows XP real realization, allow the user really reach the purpose of shared computer resource, also advanced family and office user to share computer resource simultaneously.We can say that resource sharing is a direction of computing machine development, is the salient feature of operating system of new generation.But utilize existing keyboard and mouse to realize that the mode of multi-user's switching is more loaded down with trivial details comparatively speaking at present in the computer system, can not realize between the user, changing quickly, reduced operability, because traditional common keyboard function singleness, do not have the function of the development exploitation renewal of response computer system, so be unable to catch up with user's demand gradually.

Simultaneously, existing another problem of current or former computer system can not make the user directly judge the current user of system, thereby has reduced the visual sense that system uses.

Summary of the invention

The utility model proposes a kind of new computer keyboard for this reason, utilize the conversion regulating device on this keyboard can between a plurality of users, realize quick the switching; Keyboard of the present utility model can be indicated different users by an indicating device with distinguishing simultaneously.Use the up-to-date operating system XP of the computing machine of the present utility model and the Microsoft of arranging in pairs or groups, just can allow a plurality of computer users easily share computer resource.

Comprise according to computer keyboard of the present utility model: the shuttle device that flies that is used between different users, realizing conversion, the described shuttle device that flies is made of following two parts: rotary knob, be used to produce a series of rotation with push action so that switch to different user models; The scrambler module is permanently connected with rotary knob, is used for a series of rotations and push action that rotary knob produces are converted to control signal corresponding, and signal is offered keyboard chip in the keyboard.

Preferably, described keyboard also comprises a pilot lamp and on-off circuit thereof, wherein pilot lamp is made up of the LED luminotron of different colours, on-off circuit is connected with described keyboard chip, be used to respond the user identification signal that the keyboard chip receives from computer system, the LED luminotron of control different colours is luminous represents the active user.

Preferably, as at active user's mail arrives the time, described keyboard chip is controlled the pilot lamp flicker with prompting user new mail by periodically sending described user identification signal.

Preferably, described rotary knob is transparent, and described pilot lamp is installed in below the described rotary knob.

Description of drawings

Fig. 1 is the aufbauprinciple block diagram that flies shuttle device on the expression keyboard of the present utility model;

Fig. 2 be according to an embodiment of the present utility model with fly that shuttle device is associated circuit diagram;

Fig. 3 is the circuit diagram according to the indicator light switch circuit of embodiment of the present utility model.

Specific implementation

As shown in Figure 1, be the structural representation that flies shuttle device that computer keyboard of the present utility model adopted.This flies shuttle device basically by scrambler module 10 formations that are positioned at the rotary knob 7 (be designated hereinafter simply as and fly shuttle) on the surface of keyboard and are positioned at keyboard, in the utility model, adopted novel in the world scrambler module ENCODER, this scrambler module is made of following several parts:

Rotating shaft 11, one end and rotary knob 1 are permanently connected together, can drive rotating shaft 11 and rotate together when rotary knob 1 rotation, and this rotating shaft is an insulator;

Conflict conductor 9, the one end is connected with a power supply VCC, and the other end is conflicted in the insulation rotating shaft 11;

Conductive contact 1 and 2, with certain being distributed in this rotating shaft, and be connected with the B1IN pin with the A1IN of keyboard chip TGE94176D22-UCL with R50 by resistance R 49 respectively, wherein when rotating shaft 11, conduction is touched 1 and sequentially contact with conflict conductor 9 with 2, thus pulse of generation on the A1N of keyboard chip and B1N pin respectively;

Metallic conduction sheet 8;

Conductive contact

4 and 5, with certain other end that is distributed in rotating shaft, and be connected with SCANX19 with the SCANY1 of keyboard chip respectively, wherein when pushing rotating shaft 11 by rotary knob 1, conductive contact 4 will be by electrically linking together with contacting of sheet metal 8 respectively each other with 5, and when from rotary knob elimination pressing force,

conductive contact

4 and 5 will leave sheet metal 8 and disconnect each other.

Illustrate that below with reference to Fig. 1 and Fig. 2 this flies shuttle keyboard work principle, wherein identical label is represented identical parts.As shown in Figure 2, when direct rotation flies shuttle 7, for example turn clockwise when flying shuttle 7, by the structure of scrambler module 10 shown in Figure 1 as can be known, conductive contact 2 contacts with conductor 9 prior to contact 1, therefore the A1IN pin of keyboard chip is connected with power Vcc by resistance R 50, therefore and on the A1IN pin, produce pulse signal S2, when flying shuttle 7 when continuing rotation, contact 2 will break away from and the contacting of conductor 9, and contact with conductor 9, and therefore on the B1IN pin, produce pulse signal S1 with back contact 1.Hence one can see that, and the phase place of pulse signal S2 will be ahead of the phase place of pulse signal S1.These two pulse signals input to keyboard chip TGE94176D22-UXL by B1IN and A1IN pin, and the conveyer line by keyboard after handling through this keyboard chip inputs to computer system, as rotation identification signal S _1,2, computer system is received rotation identification signal S _1,2After, judged whether that at first other control signal enters, if do not have, then system start-up volume is regulated program, judges the phase relation of signal S1 and S2 simultaneously, promptly, if S2 is leading S1, then system diminishes the volume of system sounds by this volume adjusting program, that is to say, flies shuttle 7 system sound volume is diminished by being rotated counterclockwise; If S1 is leading S2, then system makes the volume of system sounds become big by this volume adjusting program, that is to say, flies shuttle 7 by turning clockwise and makes system sound volume become big.

If before user's rotation flies shuttle 7, at first click and fly shuttle 7, then user model is switched in the expression expectation, then this action of pushing will make the contact 4 of scrambler module 10 be connected conducting with 5, by the circuit of Fig. 2 as can be known, be equivalent to the SCANY1 and the SCANX19 of keyboard chip are communicated with, be equivalent to trigger pip S thus to keyboard chip TGE94176D22-UXL _{4_5}, this keyboard chip is handled the back to this trigger pip and is inputed to computer system by the keyboard receive line, after computer system receives this trigger pip, will eject user's navigate through menus, has listed user available on this computer system on this menu.After the current computer user sees this menu, just can continue rotation and fly shuttle 7, the cursor that be positioned on this menu this moment will move around along with the rotation that flies shuttle 7, specifically be, for example fly shuttle 7 when being rotated counterclockwise when correspondence, by the front as can be known with reference to the description of the principle of scrambler module 10, during the signal S2 at the leading pin two of signal S1 place at the pin one place of coding module 10, computer system just moves down cursor, otherwise, when correspondence flies shuttle 7 when turning clockwise the signal S1 at the leading pin one of signal S2 place at pin two place of time coding module, the computer system cursor that just moves up.When cursor moved to the user of user's expectation, the user can press once more and fly shuttle 7, and this moment, the connection once more by 4 and 5 pins of scrambler module 10 will produce a confirmation signal S once more _{4_5}, give the keyboard chip, in response, the keyboard chip will will flow to computer system after this signal Processing, after computer system is received this treated confirmation signal, will enter into the indicated user model of current cursor.Simultaneously, computer system sends it back a user identification signal S by conveyer line _UserGive the keyboard chip, receive this id signal S at keyboard chip TGE94176D22-UXL _UserAnd, utilize this user code signal triggering user lamp on-off circuit 4, to light the LED luminotron of indication different user after treatment by pin LED1 and user code signal of LED2 output.Table 1 has been represented this user code and user's relation, and Fig. 3 utilizes this user code to drive the circuit diagram of indicator light switch circuit 4, and wherein control terminal LED1 and LED2 are connected respectively to LED1 and the LED2 pin of keyboard chip TGE94176D22-UXL.

User code	The user
User code	The user	00	A
01	B	00	A
01	B	10	C
11	D	10	C

With the second behavior example in the table 1, wherein 01 implication is the LED1 output low level of keyboard chip, and LED2 exports high level, from the circuit of Fig. 3 as can be seen, because LED1 is when being low level, triode Q2 conducting is so the left side label is that 2 lamp is luminous among the luminotron LED1-LED4; Because LED2 is when being high level, not conducting of triode Q3, so the right side label is that 3 luminotron is not luminous among the luminotron LED1-LED4, is user B by the current user of the incompatible expression of the bright state group of this kind.In like manner, when the user code signal of output is 10, the LED1 of keyboard chip output high level, the LED2 output low level, from the circuit of Fig. 3 as can be seen because LED1 is high level, not conducting of triode Q2 is so the left side label is that 2 luminotron is not luminous among the luminotron LED1-LED4; Because when LED2 is low level, triode Q3 conducting, therefore the right side label is that 3 luminotron is luminous among the luminotron LED1-LED4, by the current user of the incompatible expression of the bright state group of this kind is user C, by that analogy, when user code was 00, all luminotrons were all bright, and can judge current user is A.

In the utility model, the keyboard chip is for being according to certain fixing logic realization at chip internal from the Signal Processing of scrambler module input and for the Signal Processing that receives from computer system, this in the present technique field, the people that is familiar with keyboard technique is as can be known, be not repeated at this.

Preferably, when computer system detects mail arrives at the active user, will send periodic user identification signal and give the keyboard chip, in response, the keyboard chip will periodically be exported and the corresponding user code of this user on pin LED1 and LED2, therefore, be used to indicate active user's pilot lamp ceaselessly to glimmer, till the user has read this mail, this moment, system did not no longer send cyclical signal owing to detect new mail, and user lamp keeps bright state always.

Best, the utility model flies shuttle 7 and is made by transparent or color material, and will be used to indicate user's pilot lamp to place the below that flies shuttle, to strengthen aesthetic feeling.Utilize the pushing of " flying shuttle " 7 on the utility model keyboard, rotary manipulation, can realize on the same computing machine fast simple blocked operation between the different user effectively, and regulate volume quickly and easily, and the multi-colored led luminotron that flies under the shuttle 7 by colourful transparent indicates different user identity.

Although abovely be illustrated at preferred embodiment of the present utility model, should see, utilize design of the present utility model, can also utilize alternate manner except that flying shuttle 11 to realize switching between a plurality of users, for example adopt button on the keyboard etc.; And pilot lamp neither necessarily be positioned on and fly below the shuttle, can be put on the keyboard Anywhere.

Claims

1, a kind of novel computer keyboard is characterized in that this keyboard comprises the shuttle device that flies that is used for realizing conversion between different users, and the described shuttle device that flies is made of following two parts:

Rotary knob, be used to produce a series of rotation with push action so that switch to different user models;

The scrambler module is connected with keyboard chip in the keyboard with rotary knob, is used for a series of rotations and push action that rotary knob produces are converted to control signal corresponding, and control signal is offered keyboard chip in the keyboard.

2, keyboard as claimed in claim 1, it is characterized in that also comprising a pilot lamp and on-off circuit thereof, wherein pilot lamp is made up of the LED luminotron of different colours, on-off circuit is connected with described keyboard chip, be used to respond the user identification signal that the keyboard chip receives from computer system, the LED luminotron of control different colours is luminous represents the active user.

3, keyboard as claimed in claim 2 is characterized in that as at active user's mail arrives the time, and described keyboard chip is controlled the pilot lamp flicker with prompting user new mail by periodically sending described user identification signal.

4, as claim 2 or 3 described keyboards, wherein said rotary knob is a colourful transparent, and described pilot lamp is installed in below the described rotary knob.