CN1627233A - Touch key type device for functional input - Google Patents
Touch key type device for functional input Download PDFInfo
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- CN1627233A CN1627233A CN 200310107409 CN200310107409A CN1627233A CN 1627233 A CN1627233 A CN 1627233A CN 200310107409 CN200310107409 CN 200310107409 CN 200310107409 A CN200310107409 A CN 200310107409A CN 1627233 A CN1627233 A CN 1627233A
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- input screen
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Abstract
This invention discloses a touch press-key functional input device including a functional input screen, a microcomputer, a sensing part, a backlighted lamp drive and a backlighed lamp, names of several functional keys are printed on the functional screen, the sensing part is set at the assigned location of the screen for sensing the approaching to the screen by the user, the back lighted lamp is set at the back of the screen to be on/off according to getting close or going away from it. Both ends of the back-lighted drive are connected with the computer and the lamp to control the on/off of the lamp, the computer controls the working state of the drive based on the signal of the sensed part.
Description
Technical field
The present invention relates to a kind of function input media, particularly relate to a kind of touch key-press formula function input media.
Background technology
In general, the surface of touch key-press formula function input media shows several touch function keys, and the user pushes the function that these function keys can be selected the desire input.This touch key-press formula function input media is generally as being used as the function command input media in the household electrical appliance such as high-grade micro-wave oven, notebook computer, televisor.
As shown in Figure 1, existing touch key-press formula function input media comprises: function input screen 1, micro computer 2, record buffer 3, signal input part 4, signal output part 5 and sense buffer 6; Be printed with the title of several function key on the described function input screen 1; Described signal input part 4 is connected with micro computer 2 by record buffer 3 respectively, is used for sending control signal from micro computer 2 to function input screen 1; Described signal output part 5 is connected with micro computer 2 by sense buffer 6 respectively, is used for sending the button touch signal to micro computer 2.
The course of work to above-mentioned existing touch key-press formula function input media is illustrated below:
At first, the control signal of micro computer 2 is sent to signal input part 4 through record buffer 3, and signal input part 4 will send function input screen 1 from the control signal of micro computer 2 to.
At this moment, if the user uses a certain position of hand touch function input screen 1, the control signal of signal input part 4 just scans along X, the Y-axis of function input screen 1, because touching the resistance value of the function input screen 1 at position can change, the feasible control signal that scans this position changes thereupon and represents this position, touch position, and this variable signal is from signal output part 5 outputs.
From the variation of signal output part 5 signal flow to micro computer 2 through sense buffer 6, which position that micro computer 2 can be judged function input screen 1 according to this signal that has changed is touched.
If whole sweep signals that signal input part 4 is carried are transported to signal output part 5 with identical value, then presentation function input screen 1 any position all is not touched; If the value of a certain sweep signal that signal input part 4 is carried is with to be transported to signal output part 5 signal values different, then a certain position is touched on the presentation function input screen 1.
Be printed with the title of each function key on the surface of described function input screen 1, the user uses the title of the lip-deep function key of hand touch function input screen 1, can import the operational order of this function key.
Described micro computer 2 control total systems convert the user to the function corresponding operational order with the action of hand touch function input screen 1.
But, the shortcoming of above-mentioned existing touch key-press formula function input media is: because the user comes input operation to instruct by the title of the function key of printing on the surface with hand touch function input screen 1, so under the environment of dim light, just can't discern the position of function key to be selected exactly, mistake often appears when touch function keys, if throw light on, bother very much again by electric torch.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the shortcoming of above-mentioned existing touch key-press formula function input media, provides a kind of touch key-press formula function input media backlight, the correct input instruction of guiding user can be provided automatically.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: touch key-press formula function input media of the present invention comprises: function input screen, micro computer, record buffer, signal input part, signal output part, sense buffer, awareness tool, backlight driver and backlight; Be printed with the title of several function key on the described function input screen; Described signal input part is connected with micro computer by record buffer respectively, is used for sending control signal from micro computer to the function input screen; Described signal output part is connected with micro computer by sense buffer respectively, is used for sending the button touch signal to micro computer; Described awareness tool is arranged on the assigned address of function input screen, is used for the perception user near the function input screen; Described backlight is arranged on the back of function input screen, and according to the user approaching/On/Off away from the function input screen; The two ends of described backlight driver are connected with backlight with micro computer respectively, are used for controlling the On/Off of backlight; Described micro computer be used for to signal input part carry control signal, receive touch signal, export corresponding operational order from the function input screen of signal output part, according to the duty of the signal controlling backlight driver of awareness tool, make the backlight open and close.
Described awareness tool is an optical sensor, comprising: signal output unit and signal receiving unit; Described signal output unit is made of light emitting diode; Described signal receiving unit is made of transistor.
Beneficial effect of the present invention is: the user is during near the function input screen, and the backlight of function input screen just can be opened automatically, and bootable user is the various function keys on the touch function input screen exactly, has improved the performance of total system, has improved ease of use.
Description of drawings
Fig. 1 is the structural representation of existing touch key-press formula function input media;
Fig. 2 is the structural representation of touch key-press formula function input media embodiment of the present invention;
Fig. 3 is the front view of touch key-press formula function input media embodiment of the present invention.
Among the figure:
10: function input screen 20: micro computer
30: record buffer 40: signal input part
50: sense buffer 60: signal output part
70: awareness tool 80: the backlight driver
90: backlight
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 2 is the structural representation of touch key-press formula function input media embodiment of the present invention; Front view for touch key-press formula function input media embodiment of the present invention.
As shown in Figures 2 and 3, touch key-press formula function input media of the present invention comprises: function input screen 10, micro computer 20, record buffer 30, signal input part 40, signal output part 60, sense buffer 50, awareness tool 70, backlight driving 80 and backlight 90; Be printed with the title of several function key on the described function input screen 10; Described signal input part 40 is connected with micro computer 20 by record buffer 30 respectively, is used for sending control signal from micro computer 20 to function input screen 10; Described signal output part 60 is connected with micro computer 20 by sense buffer 50 respectively, is used for sending the button touch signal to micro computer 20; Described awareness tool 70 is arranged on the assigned address of function input screen 10, is used for the perception user near function input screen 10; Described backlight 90 is arranged on the back of function input screen 10, and according to the user approaching/On/Off away from function input screen 10; The two ends of described backlight driver 80 are connected with backlight 90 with micro computer 20 respectively, are used for controlling the On/Off of backlight 90; Described micro computer 20 be used for to signal input part 40 carry control signals, receive touch signal, export corresponding operational order from the function input screen 10 of signal output part 60, according to the duty of the signal controlling backlight driver 80 of awareness tool 70, make backlight 90 open and close.
Described awareness tool 70 is an optical sensor, comprising: signal output unit 71 and signal receiving unit 72; Described signal output unit 71 is made of light emitting diode; Described signal receiving unit 72 is made of transistor.
The course of work to touch key-press formula function input media of the present invention is illustrated below:
At first, micro computer 20 is carried scan control signal by record buffer 30 to signal input part 4, and scan control signal is ceaselessly scanned function input screen 10.
At this moment, if the user uses the title of the function key on the hand touch function input screen 10, from the scan control signal of signal input part 40 during along the X of function input screen 10, Y-axis scanning, on the function input screen 10 signal of this function key name location changes, and this signal that has changed is from signal output part 60 outputs.
The signal of signal output part 60 outputs flows to micro computer 20 through sense buffer 50, and micro computer 20 judges on the function input screen 10 on which function key name location touch action is arranged according to this signal, and sends and the corresponding operational order of this function key.
Under the environment of dim light, the user is during near function input screen 10, optical sensor 70 just can send signal to micro computer 20, micro computer 20 sends control signal to backlight driver 80, backlight 90 is opened, for function input screen 10 provides light, thereby make the user can differentiate the title of each function key exactly.
In more detail, for the perception user near function input screen 10, the lumination of light emitting diode of the signal output unit 71 of optical sensor 70, as user during near function input screen 10, the light that signal output unit 71 sends is transmitted on the signal receiving unit 72 by user's health, the transistor of signal receiving unit 72 is experienced after the light that user's health reflects, and sends the expression user near the signal of function input screen 10 to micro computer 20; Micro computer 20 just sends control signal to backlight driver 80, and it is luminous that backlight 90 is opened, and the user just can tell the title of each function key on the function input screen 10 at a glance.
When the user left function input screen 10, the light that the impression of the transistor of signal receiving unit 72 reflects less than user's health sent the signal that the expression user has left function input screen 10 to micro computer 20; Micro computer 20 just sends control signal to backlight driver 80, and backlight 90 is closed.
It is worthy of note that according to basic fundamental design of the present invention, those of ordinary skills need not can associate some other embodiment through creative work, these all should belong to protection scope of the present invention.
Claims (2)
1. a touch key-press formula function input media comprises: function input screen and micro computer; Described micro computer is according to the duty of the signal controlling backlight driver of awareness tool; It is characterized in that: also comprise awareness tool (70), backlight driver (80) and backlight (90); Described awareness tool (70) is arranged on the assigned address of function input screen (10), is used for the perception user near function input screen (10); Described backlight (90) is arranged on the back of function input screen (10), and according to the user approaching/On/Off away from function input screen (10); Described backlight driver (80) is connected with backlight (90) with micro computer (20), is used for controlling the On/Off of backlight (90).
2. touch key-press formula function input media according to claim 1, it is characterized in that: described awareness tool (70) is an optical sensor, comprising: signal output unit (71) and signal receiving unit (72); Described signal output unit (71) is made of light emitting diode; Described signal receiving unit (72) is made of transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107409 CN1627233A (en) | 2003-12-12 | 2003-12-12 | Touch key type device for functional input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107409 CN1627233A (en) | 2003-12-12 | 2003-12-12 | Touch key type device for functional input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1627233A true CN1627233A (en) | 2005-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310107409 Pending CN1627233A (en) | 2003-12-12 | 2003-12-12 | Touch key type device for functional input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1627233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980135A (en) * | 2010-11-08 | 2011-02-23 | 广东欧珀移动通信有限公司 | Touch key background light control method |
| CN101382330B (en) * | 2007-09-04 | 2011-11-09 | Lg电子株式会社 | Remote controller for air conditioner |
-
2003
- 2003-12-12 CN CN 200310107409 patent/CN1627233A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382330B (en) * | 2007-09-04 | 2011-11-09 | Lg电子株式会社 | Remote controller for air conditioner |
| CN101980135A (en) * | 2010-11-08 | 2011-02-23 | 广东欧珀移动通信有限公司 | Touch key background light control method |
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