CN1258108C - Device and method for generating virtual keyboard/display - Google Patents
Device and method for generating virtual keyboard/display Download PDFInfo
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- CN1258108C CN1258108C CNB031014801A CN03101480A CN1258108C CN 1258108 C CN1258108 C CN 1258108C CN B031014801 A CNB031014801 A CN B031014801A CN 03101480 A CN03101480 A CN 03101480A CN 1258108 C CN1258108 C CN 1258108C
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- keyboard
- light beam
- folded light
- display
- laser
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Abstract
The present invention relates to a device and a method for generating a virtual keyboard/ a virtual display. Patterns of a virtual display/ a virtual keyboard are generated at an entity plane by using an optical scanning mode and through the switch switching of a scanning laser source. A press key positioning value inputted by a user is obtained by a code reading technique, and a signal is transmitted to a computer to complete input action. The device of the present invention comprises a first laser transmitter, a second laser transmitter and a laser receiver. The present invention has the step flow that the first laser transmitter carries out surface scanning firstly to generate the patterns of the virtual keyboard/ the virtual display, the second laser transmitter is matched to simultaneously generate a first reflected beam and a second reflected beam when the user uses the virtual keyboard to input, and at last, the laser receiver receives the first reflected beam and the second reflected beam when the user uses the virtual keyboard to input. Thereby, a signal which is corresponding to the input of the user is obtained.
Description
Technical field
The present invention relates to a kind of device and method that produces dummy keyboard/display, particularly a kind of device and method that produces dummy keyboard/display by the face scanning and the line sweep interworking of laser.
The background skill originally
Gently, thin, short, little, low noise and to be easy to carry about with one be the development trend of electronic product always, yet for fear of considering on visual restriction and the ergonomics size, the space that input media and display equipment are desired to dwindle is very narrow, but most users' hobbies of Chang Yinwei on use habit and wish to have bigger input media and bigger display device, though alternative input media is also not within minority, as handwriting pad, voice, light pen etc., yet for the vast use group that custom is used the keyboard input, utilize the custom of keyboard input still to be difficult to be replaced by alternate manner, therefore also there was the product of so-called dummy keyboard to occur afterwards, it is at the group of habitual keyboard, have noiselessness concurrently, do not take up space and portable advantage, its invention is to utilize digital little level crossing to show (Digital micro mirror Display) technology, by face mode of delivery display keyboard and patterns of displays, it utilizes bottom two bundle laser and two receivers, in order to the catoptrical reflection angle of detecting finger, the detecting angle of comprehensive then two optical sensors is studied and judged the position of input keyboard, but its shortcoming then is because the receiver of two tool generating lasers and two tool photoinduction need expend more power supply, will not apply cost in long use.
Summary of the invention
In view of this, the present invention addresses the above problem to propose a kind of device and method that produces dummy keyboard/display, main purpose is: by the pattern of a visible laser beam and an invisible laser beam generation keypad/display, and then Simutation keyboard/display carries out its function, simplifies this device that produces functional effect and saves the energy thereby reach.
For reaching above-mentioned purpose, the device of generation dummy keyboard/display provided by the present invention, be the one scan sensing apparatus, but be positioned on the physical plane of display color, thereby on this physical plane, produce a keypad/display pattern, and utilize this keyboard to finish the action of input, it is characterized in that, this scanning sensing apparatus comprises again:
One first generating laser, be arranged at the high-end place of this scanning sensing apparatus, be the visible laser Shu Jinhang face scanning of a predetermined angular in order to emission and this physical plane, in scan period the light source switch by this first generating laser switch and cause bright dark effect, produce the pattern of this keypad/display by face scanning, and when the user uses this keyboard to import, produce one first folded light beam;
One second generating laser, be arranged at the below of this first generating laser, be used to launch the invisible laser beam that is parallel to this physical plane, mode with line sweep is parallel to this physical plane, and with this physical plane be separated by one the distance scan, the angular velocity of its line sweep is same as the line sweep angular velocity of this first generating laser, thereby when the user utilizes this keyboard to import, produces one second folded light beam; And
One laser pickoff is arranged between this first generating laser and this second generating laser, when the user utilizes this keyboard to import, receives this first folded light beam and this second folded light beam, thereby obtains the signal of user's input.
The device of described generation dummy keyboard/display, the scope of this distance is between 0.3 centimetre to 0.8 centimetre.
The invention also discloses a kind of method that produces dummy keyboard/display, in order to produce a keypad/display pattern and to utilize this keyboard to finish the action of input, this method includes the following step:
Carry out face scanning by one first generating laser, in scan period the light source switch by this first generating laser switch and cause bright dark effect, in order to producing the pattern of this keypad/display, and when the user uses this keyboard to import, produce one first folded light beam;
By one second generating laser line sweep, the mode of its scanning be parallel to this physical plane and with this physical plane distance of being separated by, the angular velocity of its line sweep is same as the line sweep angular velocity of this first generating laser, thereby when the user utilizes this keyboard to import, produce one second folded light beam; And
By a laser pickoff, when the user utilizes this keyboard to import, receive this first folded light beam and this second folded light beam, thereby obtain importing corresponding signal with the user by a routine analyzer.
The method of described generation dummy keyboard/display, this routine analyzer comprises the following step:
Separate this first folded light beam and this second folded light beam;
Coordinate according to this first folded light beam and this second folded light beam decision user input;
Signal according to this coordinate decision user input; And
Import this signal to computing machine.
Generation dummy keyboard/display equipment of the present invention and method are noiselessnesss of generation, do not take up space and portable virtual input device and display, the use habit of fully catering to the keyboard user, and needn't worry that the dirt sand drift on the keyboard is long-pending.
Description of drawings
Fig. 1 carries the vertical view of the device of generation dummy keyboard/display for the present invention;
Fig. 2 carries the side view of the device of generation dummy keyboard/display for the present invention;
Fig. 3 carries the invisible laser scanning synoptic diagram of the device of generation dummy keyboard/display for the present invention;
Fig. 4 carries the method flow diagram of generation dummy keyboard/display for the present invention;
Fig. 5 carries its routine analyzer process flow diagram in the method for generation dummy keyboard/display for the present invention.
Symbol description among the figure
101 scanning sensing apparatus
102 displays
103 laser scanning starting points
104 laser scanning terminating points
201 first generating lasers
The initial scanning position of 202 first laser
205 second generating lasers
206 invisible laser
207 invisible laser scanning starting points
208 invisible laser scanning terminating points
301 keyboards
302 sense position
402 second folded light beams
403 first folded light beams
404 first folded light beams
501 laser pickoffs
Step 100 is carried out face scanning by first generating laser, in scan period the light source switch by first generating laser switch and cause bright dark effect, thereby produce the pattern of keypad/display, and when user's finger places visible light laser scanning scope, produce first folded light beam
Step 200 is carried out line sweep by second generating laser, the mode of its scanning be parallel to the physical plane and with the physical plane a bit of distance of being separated by, the angular velocity of its line sweep is same as the line sweep angular velocity of first generating laser, thereby when the user utilizes keyboard to import, produce second folded light beam
Step 300 when the user utilizes keyboard to import, is received first folded light beam and second folded light beam, thereby is obtained importing corresponding signal with the user by routine analyzer by laser pickoff
Embodiment
The present invention is a kind of device and method that produces dummy keyboard/display.
Please consult Fig. 1, Fig. 2 and Fig. 3 simultaneously, the present invention is a kind of scanning sensing apparatus 101, double simultaneously all scanning, sensing function, but be positioned on the physical plane of display color, produce keyboard 301/ display, 102 patterns and can utilize this keyboard 301 to reach the action of input on the physical plane, its scanning sensing apparatus 101 comprises:
(1) first generating laser 201, the bright dark effect of light source switch switching generation in scan period by this first generating laser 201, and its scan mode is that laser beam is finished line sweep by the initial scanning position 202 of scanning sensing apparatus 101 belows, first laser by laser scanning starting point 103 to laser scanning terminating point 104, be back to left end starting point 103 distance of (to leave operator's direction) luminous point of displacement forward again, then carry out identical line sweep program, continue near the scanning sensing apparatus 101, on the physical plane, produce the pattern of this keyboard 301/ display 102 with the above speed of 30 pictures of per second (containing display 102 and keyboard 301), and when the user uses keyboard 301 to import, produce first folded light beam 403,404;
(2) second generating lasers 205, be parallel to the invisible laser beam 206 that scans and produce in the physical plane and the physical plane a bit of distance (between 0.3 centimetre to 0.8 centimetre) of being separated by in the mode of line sweep, sweep limit is between invisible laser scanning starting point 207 and 208 of invisible laser scanning terminating points (with reference to figure 4), the angular velocity of its line sweep is same as the line sweep angular velocity of first generating laser, when the user utilizes keyboard 301 to import, produce second folded light beam 402 by the reflection of its finger; And
(3) laser pickoff 501, when the user utilizes keyboard 301 to import, receive this first folded light beam 403,404 and second folded light beam 402, thereby obtain the signal of user's input.
Next please refer to Fig. 4, this figure has illustrated a kind of method that produces dummy keyboard/display, at first carry out face scanning by first generating laser, in scan period the light source switch by first generating laser switch and cause bright dark effect, thereby produce the pattern of keypad/display, and when the user uses keyboard to import, produce one first folded light beam 403,404 (steps 100), carry out line sweep by second generating laser then, the mode of its scanning be parallel to the physical plane and with the physical plane a bit of distance of being separated by, the angular velocity of its line sweep is same as the line sweep angular velocity of first generating laser, thereby when the user utilizes keyboard to import, that is the finger or other in order to the input material on sense position 302, can produce second folded light beam 402 (step 200), at last by laser pickoff 501, when the user utilizes keyboard to import, receive this first folded light beam 403,404 and this second folded light beam 402, thus obtain importing corresponding signal (step 300) and input computing machine by routine analyzer with the user.
Please refer to Fig. 5 at last, it has illustrated the thin portion flow process of routine analyzer: when the finger or other user with the input medium (as the finger, pen) is displaced downwardly to sense position shown in Figure 3 302, can produce first folded light beam 403,404 and second folded light beam 402, after receiving, laser pickoff 501 promptly separates first folded light beam 403,404 and second folded light beam 402 (step 310), it passes through circuit design, according to first folded light beam 403, the coordinate (step 320) of 404 and second folded light beam, 402 decision user inputs, calculate the mistiming of invisible laser level scan start point position 207 and terminating point position 208, again with Fig. 1 in first folded light beam 403, the mistiming of the initial analyzing spot of 404 distances 103 positions, front and back treated device of two mistimings and predefined data are relatively, can determine the button coordinate imported why, determine the signal (step 330) of user's input again according to coordinate, thereby reach the result of signal analysis, input signal is finished the action of input to computing machine again; And visible folded light beam 404. is not assert this input inefficacy because of detecting 206 reflected signal (second folded light beam 402) among Fig. 3.
The present invention produces dummy keyboard/display equipment and method is noiselessness of generation, does not take up space and portable virtual input device and display, the use habit of fully catering to the keyboard user, and needn't worry that the dirt sand drift on the keyboard is long-pending.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limit the present invention; former any this operator that is familiar with; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, thus protection scope of the present invention when with the scope of claims the person of being defined be as the criterion.
Claims (4)
1, a kind of device that produces dummy keyboard/display, be the one scan sensing apparatus, but be positioned on the physical plane of display color, thereby on this physical plane, produce a keypad/display pattern, and utilize this keyboard to finish the action of input, it is characterized in that this scanning sensing apparatus comprises again:
One first generating laser, be arranged at the high-end place of this scanning sensing apparatus, be the visible laser Shu Jinhang face scanning of a predetermined angular in order to emission and this physical plane, in scan period the light source switch by this first generating laser switch and cause bright dark effect, produce the pattern of this keypad/display by face scanning, and when the user uses this keyboard to import, produce one first folded light beam;
One second generating laser, be arranged at the below of this first generating laser, be used to launch the invisible laser beam that is parallel to this physical plane, mode with line sweep is parallel to this physical plane, and with this physical plane be separated by one the distance scan, the angular velocity of its line sweep is same as the line sweep angular velocity of this first generating laser, thereby when the user utilizes this keyboard to import, produces one second folded light beam; And
One laser pickoff is arranged between this first generating laser and this second generating laser, when the user utilizes this keyboard to import, receives this first folded light beam and this second folded light beam, thereby obtains the signal of user's input.
2, the device of generation dummy keyboard/display according to claim 1 is characterized in that, the scope of this distance is between 0.3 centimetre to 0.8 centimetre.
3, a kind of method that produces dummy keyboard/display in order to produce a keypad/display pattern and to utilize this keyboard to finish the action of input, is characterized in that this method includes the following step:
Carry out face scanning by one first generating laser, in scan period the light source switch by this first generating laser switch and cause bright dark effect, in order to producing the pattern of this keypad/display, and when the user uses this keyboard to import, produce one first folded light beam;
By one second generating laser line sweep, the mode of its scanning be parallel to this physical plane and with this physical plane distance of being separated by, the angular velocity of its line sweep is same as the line sweep angular velocity of this first generating laser, thereby when the user utilizes this keyboard to import, produce one second folded light beam; And
By a laser pickoff, when the user utilizes this keyboard to import, receive this first folded light beam and this second folded light beam, thereby obtain importing corresponding signal with the user by a routine analyzer.
4, the method for generation dummy keyboard/display according to claim 3 is characterized in that, this routine analyzer comprises the following step:
Separate this first folded light beam and this second folded light beam;
Coordinate according to this first folded light beam and this second folded light beam decision user input;
Signal according to this coordinate decision user input; And
Import this signal to computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031014801A CN1258108C (en) | 2003-01-17 | 2003-01-17 | Device and method for generating virtual keyboard/display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031014801A CN1258108C (en) | 2003-01-17 | 2003-01-17 | Device and method for generating virtual keyboard/display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1517744A CN1517744A (en) | 2004-08-04 |
| CN1258108C true CN1258108C (en) | 2006-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031014801A Expired - Fee Related CN1258108C (en) | 2003-01-17 | 2003-01-17 | Device and method for generating virtual keyboard/display |
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| Country | Link |
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| CN (1) | CN1258108C (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410857C (en) * | 2005-01-27 | 2008-08-13 | 时代光电科技股份有限公司 | Data inputting device |
| KR101908033B1 (en) | 2008-07-10 | 2018-12-10 | 리얼 뷰 이미징 리미티드 | Broad viewing angle displays and user interfaces |
| JP4650559B2 (en) * | 2008-11-25 | 2011-03-16 | ソニー株式会社 | Information processing apparatus, information processing method, information processing system, and information processing program |
| CN101819501A (en) * | 2010-04-09 | 2010-09-01 | 西安酷派软件科技有限公司 | Device and electronic product for realizing virtual keyboard and implementation method thereof |
| CN105095121B (en) * | 2011-06-30 | 2017-12-26 | 北京奇虎科技有限公司 | Implementation method and its system of the virtual input device in driving layer |
| CN102591464B (en) * | 2012-01-13 | 2014-12-10 | 厦门飞沃移动通讯科技有限公司 | Laser virtual keyboard |
| CN103258372B (en) * | 2012-02-15 | 2016-04-20 | 深圳市证通电子股份有限公司 | Laser imaging code keypad |
| CN103513499A (en) * | 2012-06-29 | 2014-01-15 | 建兴电子科技股份有限公司 | Image projector and detection method thereof |
| CN102855087A (en) * | 2012-09-12 | 2013-01-02 | 中兴通讯股份有限公司 | Input method, device and terminal |
| CN103809354A (en) * | 2012-11-13 | 2014-05-21 | 联想(北京)有限公司 | Electronic device |
| CN103092357B (en) * | 2013-01-11 | 2016-02-24 | 深圳市宇恒互动科技开发有限公司 | A kind of implementation method of Scan orientation and projected keyboard device |
| CN103412652B (en) * | 2013-07-09 | 2016-06-08 | 广东光阵光电科技有限公司 | The preparation method of a kind of dummy keyboard and the grenade instrumentation of enforcement the method thereof |
| CN104049772B (en) * | 2014-05-30 | 2017-11-07 | 北京搜狗科技发展有限公司 | A kind of input method, device and system |
| CN105224069B (en) * | 2014-07-03 | 2019-03-19 | 王登高 | A kind of augmented reality dummy keyboard input method and the device using this method |
| CN105468209A (en) * | 2014-09-25 | 2016-04-06 | 硕擎科技股份有限公司 | Virtual two-dimensional positioning module of input device and virtual input device |
| CN108482426B (en) * | 2018-04-27 | 2023-05-30 | 大连鼎汉奇辉电子系统工程有限公司 | Key tracking system for operating relay interlocking control console |
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2003
- 2003-01-17 CN CNB031014801A patent/CN1258108C/en not_active Expired - Fee Related
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| CN1517744A (en) | 2004-08-04 |
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Granted publication date: 20060531 Termination date: 20120117 |