CN2414451Y

CN2414451Y - Luninous keyboard for portable computer

Info

Publication number: CN2414451Y
Application number: CN 00200513
Authority: CN
Inventors: 李英维
Original assignee: Mitac International Corp
Current assignee: Mitac International Corp
Priority date: 2000-01-13
Filing date: 2000-01-13
Publication date: 2001-01-10
Anticipated expiration: 2010-01-13

Abstract

The utility model relates to a luminous keyboard for a portable computer, which is provided with a plurality of keys. Markers representing input words and symbols are arranged on the keys. The keyboard is provided with a light pervious area, and a luminous element, such as a light emitting diode, is added below the light pervious area is lighted by back light provided by the luminous element to cause the markers on the keyboard to be lighted and presented in dark environment. Thereby, the utility model is convenient for users to operate the keyboard at places with poor light rays.

Description

The luminous type keyboard that is used for portable computer

The utility model relates to a kind of keyboard, especially relates to a kind of luminous type keyboard that is used for portable computer.

At present, computer has become integral standard configuration equipment in people's life, in order to satisfy different personages' demand, so the volume of PC is dwindled again and again, make it volume size approximately and notebook similar, this computer promptly is called as notebook computer, and notebook computer makes computer become a kind of carry-on data processor.

Notebook computer is as a kind of portable data processor, except the work efficiency of notebook computer (as additional optical disc player, modem etc.), its volume short and small frivolous, the convenience that carries also is the emphasis of design, mouse such as the desktop PC is used then replaces with trace ball (Track Ball) or Contact plate (Touch Pad) on notebook computer.

Again with keyboard, the interface that keyboard person of being to use and computer are linked up, keyboard normally is made up of many buttons, all indicate character or symbol that representative is imported on each button, when the user operated the desktop PC in the strong inadequately place of light, because of keyboard volume is bigger, the user can be by the sign on each button of the clear identification of light of weakness, as character or symbol, and unlikely the user is caused too big puzzlement; But when same problem occurs in user's Operational Note type computer, then keyboard volume and the sign on the button because of notebook computer is all exquisite more and complicated than the keyboard of desktop computer, can imagine, the user will select input in so how thickly dotted button, it is very difficult thing more than, especially comparatively strange for keyboard configuration user or beginner, it is inconvenient greatly more can to cause operation to go up, therefore, use notebook computer to have operational difficulty really in the place of bad visibility.

For this reason, the known a kind of lighting system for computer keyboard that in No. the 347489th, TaiWan, China patent announcement, is disclosed, this system includes at least: a flat board 10 that is roughly horizontal direction, in order to be fixed on the keyboard 11; An elongated control panel 12, its edge along dull and stereotyped 10 is installed; And at least one lamp unit 13, it rotatably is installed on this control panel 12, and wherein lamp unit 13 has an arm 131, and a lamp holder 132, this arm 131 can be around control panel 12 rotations, and lamp holder 132 also can be done rotation to illuminate keyboard around arm 131.

Though above-mentioned keyboard illumination equipment can improve the operational issue of keyboard, this but produces many inconveniences to the integral frame of notebook computer, for example when importing with button, also need adjust the angle of lamp holder 132, perhaps when not using light fixture, also need its dismounting collection or the like.

The purpose of this utility model is to provide a kind of luminous type keyboard that is used for portable computer, it is easy to use, do not needing other peripheral equipment to provide under the preceding topic of light illumination, can light the sign on the button automatically, make the user in the bad place of light, can recognize sign on each button easily.

For achieving the above object, the luminous type keyboard that is used for portable computer of the present utility model, be provided with a plurality of buttons, this button is provided with the sign of representative input character and symbol, this button is provided with a transmission region, can emit beam and shows the light-emitting component that indicates on this button through this transmission region being provided with one under this button.

The described luminous type keyboard that is used for portable computer, this transmission region are the sign part of this button.

The described luminous type keyboard that is used for portable computer, this transmission region also can be the non-sign part of this button.

The described luminous type keyboard that is used for portable computer, this transmission region also can be the non-button part on this keyboard.

The described luminous type keyboard that is used for portable computer, this light-emitting component can be a light emitting diode.

The described luminous type keyboard that is used for portable computer, this light-emitting component also can be a cold light element.

The described luminous type keyboard that is used for portable computer, this keyboard also can be provided with one makes this light-emitting component along with the power of ambient light changes and the Photosensing Units of generation respective ray of light.

The described luminous type keyboard that is used for portable computer, lacquer that can different colours is as the sign on this button.

After having adopted said structure, the luminous type keyboard that is used for portable computer of the present utility model, have a plurality of buttons, all indicate character or the symbol that has representative to import on each button, the some of keyboard is made light-permeable, to form a light-permeable zone, this zone can be and indicates on the button partly, non-sign partly, or non-button part etc., be equiped with a light-emitting component (as LED) in this transmission region below, producing light by light-emitting component lights the sign on the button by this light-emitting zone, thereby make the user in the bad place of light, do not need other peripheral equipment that light illumination is provided, can recognize the sign on each button easily, and operate this keyboard like a cork, it is very easy to use.

Below, the utility model is described in more detail with specific embodiment in conjunction with the accompanying drawings.

Fig. 1 is the user mode synoptic diagram of tradition with keyboard illumination equipment;

Fig. 2 A is the perspective exploded view that the utility model is used for luminous type keyboard first embodiment of portable computer;

Fig. 2 B is the local enlarged diagram of A part among Fig. 2 A

Fig. 3 is the circuit block diagram among Fig. 2 B;

Fig. 4 is the decomposing schematic representation that the utility model is used for luminous type keyboard second embodiment of portable computer;

Fig. 5 is the schematic perspective view that the utility model is used for luminous type keyboard the 3rd embodiment of portable computer.

Fig. 6 A is the schematic perspective view that the utility model is used for luminous type keyboard the 4th embodiment of portable computer.

Fig. 6 B is the local enlarged diagram of B part among Fig. 6 A

The luminous type keyboard that is used for portable computer that the utility model disclosed, be meant and be applied in computing machine (Calculator), translation machine, carry-on PC (Handy PersonalComputer, HPC), personal digital assistant (Personal Digital Assistant, PDA), PC, notebook computers etc. are in the electronic product of input interface with the keyboard, this luminous type keyboard structure utilizes principle backlight, reach the purpose that the sign that makes on the button can be lighted automatically, the method that the sign of keyboard is lighted is not automatically very enumerated, and now only is described as follows with several preferred embodiments.

Consult Fig. 2, this notebook computer has a keyboard 20, aforementioned keyboard 20 has a plurality of buttons 21, all indicate the character or the symbol of representative input on each button 21, this character or symbol are designated hereinafter simply as and indicate 211, employed in the present embodiment method is: make the zone that has a light-permeable on the button 21, the method that forms the light-permeable zone can have two kinds, first kind is that button 21 non-sign parts are made light-permeable, as make button 21 with transparent material, indicating that 211 parts make can not light transmission, indicates 211 as being coated in lighttight pigment or lacquer to be used as on the button 21; The second way is then opposite with first kind of mode, non-sign part on the button 21 is made do not have light transmission, indicates 211 parts and makes light-permeable.

After forming the zone of light-permeable on the button 21, below each button 21, install a light-emitting component 22 additional, have the electroluminescent lamp or the cold light element of fluorescent character as light emitting diode or other, the light that this light-emitting component 22 is produced must be able to shine the light-permeable zone above it, so that the light that is produced can penetrate the transmission region of button 21, and light sign 211 on each button 21 so that the user can be in the bad place of light the sign 211 of identification button 21 easily.

In addition, can utilize color dye or the different differentiations that indicate between 211 of lacquer conduct, cooperate the irradiation of light-emitting component 22 again, can show the sign 211 of various different colours, to improve the ability of the various different signs 211 of user's identification.

In said structure, the start of light-emitting component 22, the light size that is perhaps produced is controlled by circuit loop, and the user can make the switching motion of the start of light-emitting component 22 and notebook computer synchronous, promptly when notebook computer is started shooting, light-emitting component 22 starts of can tending to act, and continue to produce light, till the notebook computer shutdown, so since, in well-lighted place in the daytime, also can utilize this keyboard 20 to increase the ability of user's identifications.

And when the user feels not need light-emitting component 22 that light is provided in well-lighted place, also can utilize the design of circuit loop, increase by a Photosensing Units 23, as photoresistance or photosensitive electric crystal etc., this Photosensing Units 23 can be detected the power of current environment light, and export a corresponding current signal, amplification through current amplification circuit 24, produce the light source of corresponding size with this light-emitting component 22 of tending to act, simultaneously by Photosensing Units 23, can make light-emitting component 22 regulate luminous intensity automatically along with surrounding environment light power, to be more convenient for user's operation, its circuit block diagram as shown in Figure 3.

Consulting Fig. 4, is second embodiment of this creation luminous type keyboard, in the present embodiment, directly adds a light-emitting component 22a below keyboard 20, to replace the mode of installing light-emitting component 22 among Fig. 2 below each button 21.Employed in the present embodiment light-emitting component 22a can be a light-emitting diode panel, it is by a plurality of LED crystal particle 221a be combined intos, its light emitting region must contain the whole keyboard 20 of lid, and make on the button 21 corresponding to the place of a plurality of light-emittingdiode crystal grain 221a light-permeable all, so that the light that light-emittingdiode crystal grain 221a is produced can see through this button 21, and the sign on the button 21 211 is lighted.

Consult Fig. 5, be another embodiment of the present utility model, be with the several embodiment differences in front in the present embodiment: be to make that non-button partly can be shinny on the keyboard 20 in the present embodiment, with the sign 211 on the illumination button 21, thereby replace the above-mentioned shinny mode of button 21 that makes, its method of reaching is to change non-button 21 parts of the operating surface of keyboard 20 into light-permeable, and thereunder install light-emitting component 22b, as fluorescent tube, the design of matching computer circuit again, as user during at insufficient light place operation keyboard 20, driven light-emitting element 22b produces that light sees through keyboard 20 non-button 21 parts and sign 211 on the button 21 that throws light on, equally also can reach the purpose of this utility model.

The foregoing description, all be to reach the purpose that makes keyboard shinny by the installing light-emitting component, also has alternate manner in addition, for example can directly use pigment or lacquer (hereinafter to be referred as fluorescent lacquer 30) to be coated on the button 21 and to be used as sign with fluorescent character, when surrounding environment light is weak, the fluorescent lacquer 30 fluorescent character that have can reflect light and be convenient to sign on user's identification button 21, its structure as shown in Figure 6, wherein, owing to fluorescent lacquer 30 lights that produced can strengthen along with dying down of surrounding environment light, use in the place of insufficient light so be convenient to the user.

Claims

1, a kind of luminous type keyboard that is used for portable computer, be provided with a plurality of buttons, this button is provided with the sign of representative input character and symbol, it is characterized in that: this button is provided with a transmission region, can emit beam and shows the light-emitting component that indicates on this button through this transmission region being provided with one under this button.

2, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: this transmission region is the sign part of this button.

3, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: this transmission region is the non-sign part of this button.

4, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: this transmission region is the non-button part on this keyboard.

5, the luminous type keyboard that is used for portable computer as claimed in claim 1, it is characterized in that: this light-emitting component is a light emitting diode.

6, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: this light-emitting component is a cold light element.

7, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: this keyboard also is provided with one makes this light-emitting component along with the power of ambient light changes and the Photosensing Units of generation respective ray of light.

8, the luminous type keyboard that is used for portable computer as claimed in claim 1 is characterized in that: with the lacquer of different colours as the sign on this button.