CN101261753A - Confidential password input system - Google Patents
Confidential password input system Download PDFInfo
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- CN101261753A CN101261753A CNA2008100234761A CN200810023476A CN101261753A CN 101261753 A CN101261753 A CN 101261753A CN A2008100234761 A CNA2008100234761 A CN A2008100234761A CN 200810023476 A CN200810023476 A CN 200810023476A CN 101261753 A CN101261753 A CN 101261753A
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- password input
- display screen
- catoptron
- input system
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Abstract
The invention discloses a secret password input system which includes a password input panel (1) used for password input and a display screen (2) used for displaying key mappings of the password; a reflector (3) which can carry out partial transmission and partial reflection on beams is arranged in front of the display screen (2); the surface of the reflector (3) and the plane of the display screen (2) form a sharp angle; the password input panel (1) is arranged at the position close to the image surface of the image of the display screen (2) formed by the reflector (3); the opposite position of the key mappings of the password displayed by the display screen (2) can be changed at random. When the user uses the secret password input system of the invention to input information, any people in the surrounding cannot see or record the information inputted by the user, thus protecting the safety of the information inputted by the user to the largest extent; the secret password input system has good security, convenient use, low cost, is beneficial to popularization and can be widely applied to a cash dispenser system, a vending machine system, an automatic information inquiry system and a POS, etc.
Description
Technical field
The present invention relates to the privacy keyboard technical field, relate in particular to a kind of secret password input system.
Background technology
The main cipher input equipments such as ATM (Automatic Teller Machine) that are applied to of privacy keyboard technology, ATM (Automatic Teller Machine) be as a kind of financing service aid, and just easy to use with it, advantage efficiently is for people provide very big convenience.World's ATM (Automatic Teller Machine) has reached 1,700,000 at present, and the ATM (Automatic Teller Machine) quantity of developed country reaches one of per thousand people, and with this scale, the ATM (Automatic Teller Machine) quantity of China will reach 1,300,000 in the coming years, only has less than 300,000 at present.
A key factor of the development of restriction China ATM (Automatic Teller Machine) is the security that password uses.People often cause economic loss owing to password is stolen in the ATM (Automatic Teller Machine) of operation with traditional.The whole world has in the stolen economic loss that produces of password and reaches tens dollars.In China, this phenomenon is especially serious.The crime one's share of expenses for a joint undertaking can utilize the whole bag of tricks such as naked eyes, pinhole camera, telescope to steal people's input password.
Therefore, improving the security of conventional cipher input how effectively, make user's input equipment that can more relievedly access to your password audaciously, is the big problem that we face and need to solve.Existing in the market code keypad mainly utilizes the method for Electronic Coding, can not effectively solve the offender and utilize optical means to steal the problem of password.Existing in the market optics code keypad mainly improves cryptographic security by the restriction visual angle, can not deal with problems fully.
Summary of the invention
The objective of the invention is: a kind of secret password input system is provided, and when the user used its input information, all other men can't see or record the information that the user imports on every side, protected the safety of user institute input information to greatest extent.
Another object of the present invention is: a kind of automatic teller machine (ATM) system is provided, and it has secret password input system, can protect the safety of user institute input information to greatest extent.
A further object of the present invention is: a kind of cashing machine POS system is provided, and it has secret password input system, can protect the safety of user institute input information to greatest extent.
Technical scheme of the present invention is: a kind of secret password input system, and it includes the password input panel that is used for the password input, is used for the display screen of display password key position; Be provided with a catoptron that can carry out part transmissive portions sub reflector before the described display screen to light, be provided with the shade thing that stops the stranger to spy upon display screen before the display screen, the minute surface of described catoptron and display screen plane angle in an acute angle, described display screen is imaged on password input panel vicinity through catoptron institute shape.The user can see a virtual arranging key locations on the password input panel like this, finger can knock on specific key position, the positional information of knocking is the controller collection by touch-screen, and by the current key position of display screen, controller just can obtain the information of user's input.Spatially separate fully with the key position that display screen shows the position of user's finger, has only the user just can see the picture that both overlap, so all other men can't see or record the information that the user imports on every side.
Below technique scheme is further explained:
The transmitance of described catoptron is 0.01%～99.99%.Its desirable transmitance should make the reflection image brightness coupling of projection picture that the user points and display screen.
The angle on the mirror surface of described catoptron and display screen plane is 1 degree～89 degree.Its desired angle should make the reflection image fundamental sum password input panel of display screen overlap.The angular arrangement of display screen and password input panel should meet the requirement of ergonomics as far as possible.
The ratio of the size of mirror surface and display screen size is answered between 0.01 times to 10 times.Catoptron is more little, and the visual angle is more little, thereby confidentiality is good more, but the visual angle is too little, and the operable scope of user is also more little, has increased the use difficulty.Comparatively ideal ratio should be between 0.1 to 1.
Described password input panel is a touch-screen system.Generally comprise two parts of touch screen controller (card) and touch detecting apparatus, be used to detect the information of user's input and pass to the computing machine that control is operated on the backstage.Touch-screen system can use any touch screen technology, comprises resistance-type, condenser type, ultrasonic type and photo-electric or the like.
Described password input panel can also be the keyboard that does not have the key position to show, described display screen forms picture through catoptron and is superimposed upon on the keyboard.Have only the user just can see the keyboard that indicates key like this.
But the relative position randomly changing of the cryptographic key position that described display screen is shown also can be set to immobilize.But be preferably randomly changing.Other people can not guess user's password according to the Position Approximate of user's finger tapping.
Described display screen can be the CRT monitor screen, also can be liquid crystal display equipment screen, or other various display devices, or film that can the display key position, picture or the like.If the film picture needs other lighting source in the system, to illuminate the film picture.The film picture can be a particular key position, also can be the picture of one group of different keys position, and system's automatic or manual is selected some pictures, to reach the purpose that produces the key position at random.
Before display screen other optical system can also be arranged, the picture of display can amplify or dwindle the effect that reaches with the coincidence of password input panel in this system.The size of display screen can further reduce like this, and the overall volume of system also can reduce.
Described display screen uses when being the password input except display password key position, can also show that other is the information that the user uses, such as action pane, menu, picture or the like, and other practical information.All these information will be by mirror reflects in user's eye, and other people can't see.
Some faces of described catoptron are coated with anti-anti-film to eliminate the ghost image of display screen.Because of catoptron has two surfaces, display screen can form two pictures through after the reflection on this two surface, and influence is used, and in order to eliminate ghost image, can be coated with anti-anti-film to eliminate the ghost image of display screen at some faces.In addition, also can adopt slim catoptron, make ghost image reduce.
Described password input system also includes in order to process user input information on the password input panel, display screen display message, and and the communication interface of the controller of the communication of main frame and other and main frame.As need controller also can encrypt the password of user's input, output in the main frame.
The password input system that the present invention maintains secrecy can be applied in automatic teller machine (ATM) system, or automatic saler system, or the information automated inquiry system, or the cashing machine POS system etc., replace keyboard traditional in this system, improve the confidentiality of input.Described display screen can also replace display screen traditional in this system, and all these information will be by mirror reflects in user's eye, and other people can't see, thereby improves the confidentiality of display message.
The present invention also discloses a kind of automatic teller machine (ATM) system with secret password input system, and the cashing machine POS system.
The present invention compared with prior art has following advantage:
1. secret password input system of the present invention utilizes special optical system directly keyboard image to be projected in user's eye, and has only the user can observe keyboard, has strengthened the confidentiality of code keypad.And, can be provided with and make all generations at random of key position of using each time, fundamentally solve the offender and utilize optical means to steal the problem of password.
2. good confidentiality of the present invention, easy to use, with low cost, be beneficial to popularization.
3. application of the present invention is wide, except that being applied to ATM (Automatic Teller Machine), also can be applicable to other confidentiality password input places, as: automatic saler system, or information automated inquiry system, or the cashing machine POS system etc.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is a kind of embodiment planar structure synoptic diagram of the present invention;
Fig. 2 is the perspective view of a kind of embodiment of the present invention;
Fig. 3 is a light path synoptic diagram of the present invention;
Fig. 4 is the another embodiment of the present invention synoptic diagram.
Wherein: 1 password input panel; 2 display screens; 3 catoptrons; 4 controllers; 5 user's human eyes; 6 can see the zone of complete picture; 7 can see the zone of part picture; 8 optical systems.
Embodiment
Embodiment one: as shown in Figure 1 and Figure 2, a kind of secret password input system, it includes password input panel 1, display screen 2, can carry out the catoptron 3 of part transmissive portions sub reflector to light, in order to the controller of process user input information on password input panel 1.
Described display screen 2 can be the CRT monitor screen, also can be liquid crystal display equipment screen, or other various display devices, or film that can the display key position, picture or the like.Selected LCD as display screen 2 in the present embodiment.If the film picture needs other lighting source in the system, to illuminate the film picture.The film picture can be a particular key position, also can be the picture of one group of different keys position, and different pictures is installed on runner or other mechanical hook-up, and system's automatic or manual is selected some pictures, to reach the purpose that produces the key position at random.
During use, the mirror image of display screen 2 display key bit images, position, key position randomly changing when at every turn using.Other people can not guess user's password according to the Position Approximate of user's finger tapping.
Be provided with a catoptron 3 that can carry out part transmissive portions sub reflector to light before the display screen 2, the transmitance of described catoptron is 0.01%～99.99%.Its desirable transmitance should make the reflection image brightness coupling of projection picture that the user points and display screen.Some faces of catoptron 3 are coated with anti-anti-film to eliminate the ghost image of display screen 2.
The angle on the mirror surface of described catoptron and display screen plane is 1 degree～89 degree.Its desired angle should make the reflection image fundamental sum password input panel of display screen overlap.The angular arrangement of display screen 2 and password input panel should meet the requirement of ergonomics as far as possible.
The ratio of the size of mirror surface and display screen size is answered between 0.01 times to 10 times.Catoptron is more little, and the visual angle is more little, thereby confidentiality is good more, but the visual angle is too little, and the operable scope of user is also more little, has increased the use difficulty.Comparatively ideal ratio should be between 0.1 to 1.
As shown in Figure 3, can in catoptron 3, see the picture that the key position is complete, can only see the picture of a key position part in the zone 7 that can see the part picture, outside these two zones, can't see any image in the zone 6 that can see complete picture.The zone 6 of complete picture is the perform region, and the user can only observe the picture of this display screen 2 in catoptron 3 at this particular orientation (catoptron top minimum zone), just can see the key bitmap picture image of erect image and finger clearly simultaneously.The zone 7 of zone beyond 6 stops that for user's health and head all other men can't enter this zone on every side.Image is can't see in zone beyond zone 6 and the zone 7 fully.The index path of noting Fig. 3 is the situation of meridional plane only, and situation is similar in sagittal plane.
When being put into the image planes place, key position that eyes see with finger or other objects, the user contacts with password input panel 1, the coordinate of contact point is detected and passes to controller 4 by the touch detecting apparatus on the password input panel 1, this coordinate is corresponding to display screen 2 respective regions, if coordinate is in certain key-position area territory, then controller can obtain clicking the instruction of this key position, finishes the password input process.
Described password input system also includes in order to process user input information on the password input panel, display screen 2 display message, and and the communication interface of the controller 4 of the communication of main frame and other and main frame.As need controller also can encrypt the password of user's input, output in the main frame.
The present invention can be applied in automatic teller machine (ATM) system, or automatic saler system, or the information automated inquiry system, or cashing machine POS etc., replace keyboard traditional in this system, improve the confidentiality of input.In addition, display screen 2 can also replace display screen traditional in this system, and all these information will be by mirror reflects in user's eye, and other people can't see, thereby improves the confidentiality of display message.
Embodiment two:
Fig. 4 is the another embodiment of the present invention synoptic diagram, and the difference of it and embodiment one is: other optical system 8 can also be arranged before display screen 2, and this system can amplify the picture of display or dwindle and reaches the effect that overlaps with the password input panel.The size of display screen 2 can further reduce like this, and the overall volume of system also can reduce.
Embodiment three:
A kind of automatic teller machine (ATM) system, it has the password input system of maintaining secrecy of the foregoing description one.
Embodiment four:
A kind of cashing machine POS system, it has the password input system of maintaining secrecy of the foregoing description one.
Should be pointed out that for the present invention also to have the embodiment of multiple conversion and remodeling, be not limited to the specific embodiment of above-mentioned embodiment through proving absolutely.The foregoing description is as just explanation of the present invention, rather than limitation of the present invention.In a word, protection scope of the present invention should comprise those conspicuous to those skilled in the art conversion or substitute and remodeling.
Claims (10)
1. secret password input system is characterized in that: it includes the password input panel (1) that is used for the password input, is used for the display screen (2) of display password key position; Described display screen (2) is preceding to be provided with a catoptron (3) that can carry out part transmissive portions sub reflector to light, the minute surface of described catoptron (3) and display screen (2) plane angle in an acute angle, described password input panel (1) is arranged at the image planes vicinity of display screen (2) through catoptron (3) picture that forms.
2. secret password input system according to claim 1 is characterized in that: described password input panel (1) is electronic touch screen system or the keyboard that does not have the demonstration of key position.
3. secret password input system according to claim 1 is characterized in that: described display screen (2) is a LCD, or the CRT monitor screen, or electronic display unit, or film, picture that can the display key position.
4. secret password input system according to claim 1 is characterized in that: described display screen (2) but the relative position randomly changing of shown cryptographic key position.
5. secret password input system according to claim 1 is characterized in that: described password input system also includes in order to process user input information, display screen (2) display message and and controller (4) of the communication of main frame on the password input panel.
6. secret password input system according to claim 1 is characterized in that: described catoptron (3) is coated with in order to eliminate the anti-anti-film of display screen (2) ghost image.
7. secret password input system according to claim 1 is characterized in that: described display screen (2) can display password key position information, user's the information of manipulating, practical information.
8. secret password input system according to claim 1 is characterized in that: also be provided with between described display screen (2) and the catoptron (3) and the picture of display screen (2) can be amplified or dwindle the optical system (8) that reduces system bulk to reach.
9. automatic teller machine (ATM) system, it is characterized in that: it includes secret password input system as claimed in claim 1, and this password input system includes the password input panel (1) that is used for the password input, is used for the display screen (2) of display password key position; Described display screen (2) is preceding to be provided with a catoptron (3) that can carry out part transmissive portions sub reflector to light, the minute surface of described catoptron (3) and display screen (2) plane angle in an acute angle, described password input panel (1) is arranged at the image planes vicinity of display screen (2) through catoptron (3) picture that forms.
10. cashing machine POS system, it is characterized in that: it includes secret password input system as claimed in claim 1, and this password input system includes the password input panel (1) that is used for the password input, is used for the display screen (2) of display password key position; Described display screen (2) is preceding to be provided with a catoptron (3) that can carry out part transmissive portions sub reflector to light, the minute surface of described catoptron (3) and display screen (2) plane angle in an acute angle, described password input panel (1) is arranged at the image planes vicinity of display screen (2) through catoptron (3) picture that forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100234761A CN101261753B (en) | 2008-04-08 | 2008-04-08 | Confidential password input system, automatic teller machine system and cash register POS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100234761A CN101261753B (en) | 2008-04-08 | 2008-04-08 | Confidential password input system, automatic teller machine system and cash register POS system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101261753A true CN101261753A (en) | 2008-09-10 |
| CN101261753B CN101261753B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100234761A Active CN101261753B (en) | 2008-04-08 | 2008-04-08 | Confidential password input system, automatic teller machine system and cash register POS system |
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| Country | Link |
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| CN (1) | CN101261753B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526861A (en) * | 2016-12-16 | 2017-03-22 | 擎中科技（上海）有限公司 | AR (Augmented Reality) display device |
| CN111474985A (en) * | 2020-04-10 | 2020-07-31 | 郑州铁路职业技术学院 | Inquiry device for hospital information sharing platform |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082206C (en) * | 1997-07-31 | 2002-04-03 | 梁忠民 | Mask type cipher-code input method and apparatus thereof |
| CN2665810Y (en) * | 2003-11-14 | 2004-12-22 | 李德泽 | Peep-proof cipher input device |
| JP4697033B2 (en) * | 2006-04-27 | 2011-06-08 | 沖電気工業株式会社 | Automatic transaction equipment |
| CN201188237Y (en) * | 2008-04-08 | 2009-01-28 | 王勇竞 | Private cipher input system |
-
2008
- 2008-04-08 CN CN2008100234761A patent/CN101261753B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526861A (en) * | 2016-12-16 | 2017-03-22 | 擎中科技（上海）有限公司 | AR (Augmented Reality) display device |
| CN111474985A (en) * | 2020-04-10 | 2020-07-31 | 郑州铁路职业技术学院 | Inquiry device for hospital information sharing platform |
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| Publication number | Publication date |
|---|---|
| CN101261753B (en) | 2012-06-27 |
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Addressee: Wang Enjing Document name: Notification that Application Deemed not to be Proposed |
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Effective date of registration: 20191216 Address after: 518000 Chuangke District C-03, floor 14, building 1, Industrial Park Road, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Photonic Crystal Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215163 Suzhou high tech Zone eswell Road No. 2 Park M4 micro system Patentee before: Wang Yongjing |
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