CN101382977A - Control device and method for opening and closing computer software and hardware system based on biology authentication - Google Patents
Control device and method for opening and closing computer software and hardware system based on biology authentication Download PDFInfo
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- CN101382977A CN101382977A CNA2008101210618A CN200810121061A CN101382977A CN 101382977 A CN101382977 A CN 101382977A CN A2008101210618 A CNA2008101210618 A CN A2008101210618A CN 200810121061 A CN200810121061 A CN 200810121061A CN 101382977 A CN101382977 A CN 101382977A
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Abstract
The invention discloses a controlling device based on biological authentication for starting and stopping a computer software system and a computer hardware system and a method thereof. The controlling device mainly comprises a CPU controller, a fingerprint sensor, a flash, a button, an alarming unit, an indicating unit, a power and a detecting system thereof , an RTC/timer unit, a power detecting unit, a PS_ON controlling unit and a USB/UART unit; the CPU controller carries out control via a controlling unit externally arranged on the CPU controller, wherein, the fingerprint sensor is used for conducting fingerprint identity identification when a computer start and stop controlling system is in constant locking status; the CPU controller controls a start-up controlling circuit on a PC machine main board via the USB/UART unit, and the start-up controlling circuit is supplied by an assistant power of an ATX power and controls the start and stop of a main power of the ATX power. The beneficial results of the controlling device and the method are: via the biological authentication, the control of the ATX power of the PC machine is realized by a hardware platform, and further, the control of the automatic start and stop function of the PC machine is realized; meanwhile, the controlling device and the method solve difficulties brought by various operations to a salesman when the PC machine is in a user experience status via the mode designing before and after sale.
Description
Technical field
The present invention relates to computer control field, mainly is a kind of control device and method based on biological identification opening and closing computer software and hardware system.
Background technology
Computer and network become we work with learning life in an indispensable part.Bringing us simultaneously greatly easily, also bring a lot of problems to us, such as recreation and online for a long time, especially to the teenager, ability of self control is poor, certainly will bring huge negative effect for its body and mind in the face of computer for a long time.At this, some businessman releases the time that respective application software is controlled teenager's online or recreation, but it is not very good to produce effects.Trace it to its cause, software can mask it by the refitting of unloading or operating system; And for the application of computer and network, child's ability and level all will be higher than the head of a family, so for this reason, at present the head of a family generally adopts compulsive means to control child's computer service time, a period of time gets off, and not only head of a family's body and mind is tired, also might make the souring of relation between the two generations can't bear.
The utility model patent name is called: " a kind of controller that uses by the USB interface controlling computer ", on software, preferably resolve the computer that the keeper controls non-administrative users and use, solved the user to a certain extent by revising the setting that ordinary skill means such as system clock crack the administrator; But this invention does not fundamentally solve the limited problem of non-administrative users: 1, this invention must can not be worked if USB is pulled out this system by USB power supply and transmission data, can not normally limit non-administrative users; 2, this invention must be held software control PC shutdown by PC, if software uninstalled or the refitting system after will make and can not normally limit this system's actual effect non-administrative users;
" computer energy supply lock of wireless remote control ", " the wireless remote control type computer switch that has private jack " and patents such as " a kind of control device of computer ATX electric power and control methods thereof " all be by with the power switch on the cabinet separately control or with the mode that analog switch is in series come by peripherals to PC start control, remedied the deficiency of software mode from hardware, but its shortcoming is: 1, computing machine can not work alone, must can normally start by peripherals (as telepilot) control; When 2, peripherals broke down, computing machine can not use by normal boot-strap; 3, peripherals (as telepilot) is dangerous, and anyone can start PC by telepilot.
The development of ATX reference power supply: computer ATX electric power, whether it does not adopt traditional urban electric power switch to control power supply and works, but employing soft switch technique, the combination of dependence "+5VSB, PS-ON " realizes the opening and closing of power supply, as long as the variation of control " PS-ON " signal level, just can control the opening and closing of power supply, computer remote control and timed power on/off function are realized smoothly.Power-on when " PS-ON " lies prostrate less than 1V, powered-down during greater than 4.5 volts.+ 5VSB voltage is standby voltage, outputs on the mainboard.After Power that the user presses cabinet started button, mainboard sent starting-up signal to power supply, the PC operate as normal that powers on.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, and provide a kind of control device and method based on biological identification opening and closing computer software and hardware system, by utilizing the biological identification function, realize control by hardware platform, thereby reach the automatic open and close machine of control PC function PC ATX power supply; This invention has simultaneously solved the trouble that PC various operations when the user experience bring to the sales force (as to deletion of administrator etc.) by design to the pre-sales pattern after sale of PC; This invention simultaneously can realize that fingerprint lands, file encryption-decryption, the protection of user's electronic certificate, set user's application permission functions such as (as online) in conjunction with PC end software.
The present invention solves the technical scheme that its technical matters adopts: this control method based on biological identification opening and closing computer software and hardware system, step is as follows: the start control of (1.1), PC: PC is after connecting alternating current, the accessory power supply of ATX power supply is started working, provide+power supply of 5VSB is to the start-up control circuit and the computing machine open-shut control system of mainboard; After the cabinet button is pressed, if this computer-chronograph open-shut control system is in normal latching mode, must wait for that then the keeper imports fingerprint, after the checking fingerprint passed through, the PS-ON of accessory power supply obtained a low level pulse, and the ATX primary power starts, and PC starts; If the computing machine open-shut control system is in normal on-mode, PC directly started after then the cabinet button was pressed, and did not need to verify fingerprint; (1.2), the shutdown of PC control: PC is in course of normal operation, if the current computer open-shut control system is under the administrator mode, then its countdown shutdown programm stops, and the user uses PC not to be subjected to the influence of computing machine open-shut control system; If the current computer open-shut control system is non-administrator's pattern, then this system's countdown module starts, and when countdown was 0, if system does not also withdraw from, then the PS-ON of computing machine open-shut control system triggering ATX power supply made operating system security withdraw from.
Control device based on biological identification opening and closing computer software and hardware system of the present invention mainly is made up of cpu controller, fingerprint sensor, flash, button, alarm unit, indicating member, power supply and detection system, RTC/ timer units, power supply detecting unit, PS_ON control module, USB/UART unit; Cpu controller is controlled fingerprint sensor, flash, button, alarm unit, indicating member, timer units, power supply control and PS_ON control module respectively by its peripheral hardware control module, wherein fingerprint sensor is used for when the computing machine open-shut control system is in normal latching mode the user being carried out the fingerprint identification; Cpu controller is by the start-up control circuit on the USB/UART unit controls PC mainboard, and the start-up control circuit is by the accessory power supply power supply of ATX power supply, and the primary power of control ATX power supply opens and closes.
The effect that the present invention is useful:
1, adopts the normal open and close machine of hardware platform control PC, software failure or lose control when being cracked when avoiding to PC open and close machine by software mode open and close machine;
2, by analog switch is in parallel with the power switch on the cabinet, realization computing machine independence open and close machine and hardware system control open and close machine are controlled respectively, avoid the inoperable situation appearance of PC when the hardware platform fault
3, adopt hardware countdown function since with the PC system independence, therefore can avoid the drawback of the control fails that causes by methods such as change system times, guarantee that non-administrative users shuts down at the appointed time;
4, adopt fingerprint biological identification technology, the identity that can guarantee the administrator is an authorized user;
5, because the uniqueness of fingerprint, by fingerprint biological identification technology, can finish fingerprint in conjunction with PC software substitutes password, file encryption-decryption, digital certificate safe storage, sets user's application permission functions such as (as online), the safety of user's private information (as password, key, digital certificate etc.) adequately protects, effectively take precautions against the leakage of user's private information, these characteristics can be widely used in the place (as mailbox, MSN, Web bank, network game etc.) that needs the password login; Can finish simultaneously protection work to vital document and important information.
Description of drawings
Fig. 1 is a computing machine open-shut control system synoptic diagram;
Fig. 2 is PC start process flow diagram;
Fig. 3 is PC shutdown process figure;
Fig. 4 is the system CPU software control flow chart;
Fig. 5 is the system parameter setting process flow diagram;
Fig. 6 for pre-sales/pattern is provided with figure after sale;
Fig. 7 is the related expanding application drawing that combines with PC software;
Fig. 8 is a computing machine open-shut control system hardware elementary diagram.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described, but should understand these embodiment limits the scope of the invention, under the situation of the spirit and scope of the present invention, those skilled in the art can make changes and improvements so that it is fit to different operating positions, condition and embodiment to the present invention.
1, as shown in Figure 1, the control device based on biological identification opening and closing computer software and hardware system mainly is made up of cpu controller, fingerprint sensor, flash, button, alarm unit, indicating member, power supply and detection system, RTC/ timer units, power supply detecting unit, PS_ON control, USB/UART unit among the present invention; This cpu controller is controlled fingerprint sensor, flash, button, alarm unit, indicating member, timer units, power control unit, PS_ON control module respectively by its peripheral hardware control module, wherein fingerprint sensor is used for when the computing machine open-shut control system is in normal latching mode the user being carried out the fingerprint identification; Cpu controller is by the start-up control circuit on the USB/UART unit controls PC mainboard, and the start-up control circuit is by the accessory power supply power supply of ATX power supply, and the primary power of control ATX power supply opens and closes; Described power supply detecting unit, PS_ON control comprise a switch, the power switch parallel connection on this switch and the cabinet.
Preferred cpu controller can be selected but be not limited to PS1802, BF531, ML67Q5250, SIB8132, TMS320C5416, TMS320VC5507, AR2001, S3C44B0X, Z32uf;
Preferred fingerprint sensor can be selected but be not limited to optical sensor module, planar sensor, strip sensor, as optical sensor, FPC1011C, TCS2, planar sensor such as C500, BCT100 and AES2510, AES1510, ATW310, SW6888, the strip sensors such as TCS4, SS501 based on COMS such as HV7131R, PG0303;
Preferred flash can select serial flash or NAND Flash or NOR Flash;
Preferred button can be with three, or more or less button;
Preferred alarm unit can be voice module or buzzer;
Preferred indicating member can be LCD or LED or pilot lamp etc.;
Preferred power supply and detection system select the accessory power supply+5VSB power supply or the primary power+5V of mainboard to add reserve battery;
Preferred timing unit can be selected RTC timing or timer regularly;
Preferred power supply detecting unit, PS_ON control module can be selected normally opened contact relay or electronic switch control;
Preferably carry out communication by USB or UART and PC.
2, control device hardware elementary diagram explanation (as shown in Figure 8):
Processor chips PS1802 is by GPIO0 and GPIO1 port controlling RTC chip, and the RTC chip can be DS1302;
LCD links to each other with processor chips by liquid crystal driver with hummer, and PS1802 is by GPIO2, GPIO3, GPIO4 and GPIO5 port controlling liquid crystal driver, and liquid crystal driver can be HT1621B;
PS1802 is by GPIO6, GPIO7 and GPIO10 port controlling MODE, SET, three buttons of OK;
PS1802 is by GPIO11 and GPIO12 port controlling power supply detecting unit, PS_ON control module.
PS1802 is by SPI_MISO, SPI_MOSI and SPI_CLK port controlling FLASH, and FLASH can be SST25VF010;
The USART_DIO1 of PS1802, USART_DIO2 and USART_CLK port are arranged to control fingerprint sensor behind the SPI interface, and general fingerprint sensor can be AES2510, FPC1011C, ATW310 etc.;
PS1802 is by USB_DN and USB_DP and PC communication;
The PS1802 clock is provided by outside 12M crystal oscillator;
The JTAG_TDI of PS1802, JTAG_TDO, JTAG_TMS, JTAG_TRSTn and JTAG_TCK are the JTAG debugging interface;
The working power of PS1802 is 1.8V and 3.3V, is connected on respectively on CORE_VDD0, CORE_VDD1 and IO_VDDH0, the IO_VDDH1, and CORE_VSS0, CORE_VSS1 and IO_VSSH0, IO_VSSH1 be ground connection respectively.
3, the start of PC control (as shown in Figure 2):
PC is after connecting alternating current, and the accessory power supply of ATX power supply is started working, provide+power supply of 5VSB is to the start-up control circuit and the computing machine open-shut control system of mainboard; After the cabinet button is pressed, if this computer-chronograph open-shut control system is in long latching mode, must wait for that then the keeper imports fingerprint, the PS-ON of accessory power supply could obtain a low level pulse, and the ATX primary power starts, and PC starts; If the computing machine open-shut control system is in normal on-mode, PC directly started after then the cabinet button was pressed, and did not need to verify fingerprint; System default is normal on-mode.
4, the shutdown of PC control (as shown in Figure 3):
PC in course of normal operation, if the current computer open-shut control system is under the administrator mode, its countdown shutdown function stop then, the user uses PC not to be subjected to the influence of computing machine open-shut control system;
If the current computer open-shut control system is non-administrator's pattern, this system's countdown function on then, in countdown alarm unit warning in the time of surplus 5 minutes, the shutdown of prompting user distance also has 5 minutes, please withdraw from operating system by the safe storage file, when countdown is 0, if system does not also withdraw from, then the PS-ON of computing machine open-shut control system triggering ATX power supply makes operating system security withdraw from, in the time of can't withdrawing from safely in 1 minute at interval under certain conditions, the computing machine open-shut control system will give the alarm, and force control ATX power supply to shut down by force.
5, cpu controller is to the control of computing machine open-shut control system
5.1, cpu controller controls fingerprint sensor, flash, button, alarm unit, indicating member, RTC/ timer units, power supply detecting unit, PS_ON control module, USB/UART unit respectively by its peripheral hardware control module;
5.2, when press the start button after, if the computing machine open-shut control system is normal on-mode, cpu controller is defaulted as non-administrative users and lands, at first whether judging distance unused time last time is greater than the PC stand-by period of setting (being defaulted as 30 minutes), if be not more than then think non-administrative users at frequent starting PC, only PC could start shooting under the situation of input manager person's fingerprint;
5.3, when the computing machine open-shut control system is normal latching mode, cpu controller must be waited for after the administrator imports fingerprint identification could start PC, the computing machine open-shut control system is an administrator mode afterwards;
5.4, under administrator mode, countdown time, PC stand-by period can be set, often lock/often open/administrator mode/non-administrator's pattern, the operation of typing fingerprint, deletion fingerprint; Under the administrator mode, the PC shutdown is not subjected to the restriction of computing machine open-shut control system;
5.5, under non-administrator's pattern, cpu controller control RTC/ timer units carries out countdown, to timing in the time of surplus 5 minutes alarm module prompting user prepare shutdown, the time arrives, the computing machine open-shut control system is controlled the PS-ON safety shutdown; If because certain situation, the computing machine open-shut control system detects PC after 1 minute and does not shut down, will give the alarm by alarm unit, by PS-ON is forced to drag down 3-6S, make system's forced shutdown simultaneously;
5.6, administrator mode is to the conversion of non-administrator's pattern: can be transformed into by the button setting under non-administrator's pattern under the administrator mode, specifically be provided with and see Fig. 5 and 6.3;
5.7, non-administrator's pattern arrives the conversion of administrator mode: press the SET button under non-administrator's pattern, after the authentic administrator fingerprint passes through, system temporarily is operated in administrator mode, after if user's modification is partly set and is returned by the OK key in 1 minute, system enters the non-administrative users pattern again, can make things convenient for the dynamic management (as prolong countdown time etc.) of administrator to non-administrative users, if the user is operated in administrator mode without any button by next computing machine open-shut control system in 1 minute always, the PC shutdown is not subjected to the influence of computing machine open-shut control system.
6, computing machine open-shut control system parameter is provided with:
User entrance management person pattern (seeing 5.5,5.6) at first about how to switch;
6.1, enter " countdown time " by Mode button and be provided with, a hour time position of ten once corresponding by the SET key adds 1, promptly increase by 10 hours, choose the back and enter hour time position that individual position is set by the OK key, once add 1 by the SET key, promptly increase by 1 hour, enter the branch clock time position that is provided with ten by the OK key, once add 1 by the SET key, promptly increase by 10 minutes, enter by the OK key branch clock time position of position is set, once add 1 by the SET key, promptly increase by 1 minute, more than numeral from 0 to 9 circulation show, return administrator mode by the OK key after setting completed.
6.2, enter " PC stand-by period " by twice Mode button and be provided with, a hour time position of ten once corresponding by the SET key adds 1, promptly increase by 10 hours, choose the back and enter hour time position that individual position is set by the OK key, once add 1 by the SET key, promptly increase by 1 hour, enter the branch clock time position that is provided with ten by the OK key, once add 1 by the SET key, promptly increase by 10 minutes, enter by the OK key branch clock time position of position is set, once add 1 by the SET key, promptly increase by 1 minute, more than numeral from 0 to 9 circulation show, return administrator mode by the OK key after setting completed.
6.3, enter " model selection " by three Mode buttons and be provided with, press the SET key and once be " normal latching mode ", press the SET key and be " normal on-mode " twice, press the SET key and be " administrator mode " three times, press the SET key and be " non-administrator's pattern " four times, press SET key circulation and show pattern in above 4, confirm by the OK key after choosing pattern, return corresponding modes;
6.4, enter " typing fingerprint " by four Mode buttons and be provided with, this is provided with down and is divided into pre-sales pattern and two kinds of patterns after sale:
6.4.1 pre-sales pattern: after entering " typing fingerprint " and be provided with by four Mode buttons, continuous twice fingerprint of typing, the display unit that succeeds in registration prompting OK, registration failure prompting FAIL, show current fingerprint number afterwards and this ID number (but front two is the typing sum, two of backs are shown as current I D number), by returning administrator mode behind the OK button, otherwise can continue the typing fingerprint;
6.4.2 pattern after sale: after entering " typing fingerprint " and be provided with by four Mode buttons, the authentic administrator fingerprint, as not by directly returning administrator mode, as passing through then twice fingerprint of typing continuously, the display unit that succeeds in registration prompting OK, registration failure prompting FAIL, show current fingerprint number afterwards and this ID number (but front two is the typing sum, two of backs are shown as current I D number), by returning administrator mode behind the OK button, otherwise repeat typing process just now;
6.5, enter " deletion fingerprint " by five Mode buttons and be provided with, this is provided with down and is divided into pre-sales pattern and two kinds of patterns after sale:
6.5.1 pre-sales pattern: after entering " deletion fingerprint " and be provided with by five Mode buttons, press the OK key once, delete all fingerprints;
6.5.2 pattern after sale: after entering " deletion fingerprint " and be provided with by five Mode buttons, the authentic administrator fingerprint, as continuous 3 times not by directly returning administrator mode, if fingerprint number by selecting by the SET key to delete, press the deletion of OK key, return administrator mode;
6.6, under any pattern, enter the authentication state by the SET key.
6, pre-sales pattern after sale setting:
When the computing machine open-shut control system is operated in pre-sales state, longly press OK key 5S, it is 1 that cpu controller will be write the Flash zone bit, and later system works is at state after sale.
7, combine the related application of expansion with PC software:
The fingerprint biological identification function of computing machine open-shut control system has uniqueness, and security can substitute the application that password needs authentication fully, as substituting password login, network authorization control etc., can effectively prevent password leakage; Owing to having Flash, system has the safe storage function simultaneously; sensitive datas such as the key on therefore can the storage computation machine, digital certificate; avoid sensitive data by the leakage that is cracked of modes such as wooden horse, virus, related application such as file encryption-decryption, digital certificate protection etc.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1, a kind of control method based on biological identification opening and closing computer software and hardware system is characterized in that:
(1.1), the start of PC control: PC is after connecting alternating current, and the accessory power supply of ATX power supply is started working, and provides+power supply of 5VSB is to the start-up control circuit and the computing machine open-shut control system of mainboard; After the cabinet button is pressed, if this computer-chronograph open-shut control system is in normal latching mode, must wait for that then the keeper imports fingerprint, after the checking fingerprint passed through, the PS-ON of accessory power supply obtained a low level pulse, and the ATX primary power starts, and PC starts; If the computing machine open-shut control system is in normal on-mode, PC directly started after then the cabinet button was pressed, and did not need to verify fingerprint;
(1.2), the shutdown of PC control: PC is in course of normal operation, if the current computer open-shut control system is under the administrator mode, then its countdown shutdown programm stops, and the user uses PC not to be subjected to the influence of computing machine open-shut control system; If the current computer open-shut control system is non-administrator's pattern, then this system's countdown module starts, and when countdown was 0, if system does not also withdraw from, then the PS-ON of computing machine open-shut control system triggering ATX power supply made operating system security withdraw from.
2, the control method based on biological identification opening and closing computer software and hardware system according to claim 1 is characterized in that: control system is divided into normal on-mode and normal latching mode and administrator mode and non-administrator's pattern: step is as follows:
(2.1), after the cabinet button is pressed, if the computing machine open-shut control system is normal on-mode, cpu controller is defaulted as non-administrative users and lands, at first whether judging distance unused time last time is greater than the PC stand-by period of setting, if be not more than then think non-administrative users at frequent starting PC, only PC could start shooting under the situation of input manager person's fingerprint;
(2.2), after pressing the lower case button, when being normal latching mode as the computing machine open-shut control system, cpu controller must be waited for after the administrator imports fingerprint identification could start PC, the computing machine open-shut control system is an administrator mode afterwards;
(2.3), under administrator mode, countdown time, PC stand-by period can be set, often lock/often open/administrator mode/non-administrator's pattern, the operation of typing fingerprint, deletion fingerprint; Under the administrator mode, the PC shutdown is not subjected to the restriction of computing machine open-shut control system;
(2.4), under non-administrator's pattern, cpu controller control timer unit carries out countdown, to timing in the time of surplus 5 minutes alarm module prompting user prepare shutdown, the time arrives, computing machine open-shut control system control PS-ON safety shutdown; If the computing machine open-shut control system detects PC after 1 minute and does not shut down, will give the alarm by alarm unit, by PS-ON is forced to drag down 3-6S, make system's forced shutdown simultaneously.
3, the control method based on biological identification opening and closing computer software and hardware system according to claim 1 and 2 is characterized in that: described computing machine open-shut control system mainly is made up of cpu controller, fingerprint sensor, flash, button, alarm unit, indicating member, power supply and detection system, timer units, lock control unit, USB/UART unit; Cpu controller is controlled fingerprint sensor, flash, button, alarm unit, indicating member, timer units, power supply detecting unit, PS_ON control module, USB/UART unit respectively by its peripheral hardware control module.
4, the control method based on biological identification opening and closing computer software and hardware system according to claim 1 and 2, it is characterized in that: increase the control of PC application software: the computing machine open-shut control system is in conjunction with the rights of using of PC end software setting related application, need the person's of managing fingerprint authentication when opening or quitting a program; Substitute password authentification by fingerprint authentication simultaneously, and PC end file is carried out enciphering/deciphering control and strengthens protection to digital certificate, key sensitive information.
5, the control method based on biological identification opening and closing computer software and hardware system according to claim 2, it is characterized in that: control system is divided into pre-sales pattern and pattern after sale, pre-sales pattern is after entering " deletion fingerprint " and being provided with, to press the OK key once, deletes all fingerprints; Pattern is after entering " deletion fingerprint " and being provided with after sale, the authentic administrator fingerprint, as continuous 3 times not by directly returning administrator mode, if the fingerprint number by selecting by the SET key to delete press the OK key and deleted, return administrator mode.
6, a kind of control device based on biological identification opening and closing computer software and hardware system is characterized in that: this control system mainly is made up of cpu controller, fingerprint sensor, flash, button, alarm unit, indicating member, power supply and detection system, RTC/ timer units, power supply detecting unit, PS_ON control module, USB/UART unit; Cpu controller is controlled fingerprint sensor, flash, button, alarm unit, indicating member, timer units, lock control unit respectively by its peripheral hardware control module, wherein fingerprint sensor is used for when the computing machine open-shut control system is in normal latching mode the user being carried out the fingerprint identification; Cpu controller is by the start-up control circuit on the USB/UART unit controls PC mainboard, and the start-up control circuit is by the accessory power supply power supply of ATX power supply, and the primary power of control ATX power supply opens and closes.
7, the control device based on biological identification opening and closing computer software and hardware system according to claim 6, it is characterized in that: described power supply detecting unit, PS_ON control module comprise a gauge tap, the power switch parallel connection on this gauge tap and the cabinet.
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| CN102314194A (en) * | 2010-06-29 | 2012-01-11 | 比亚迪股份有限公司 | Portable computer |
| CN103248402A (en) * | 2012-02-13 | 2013-08-14 | 索尼公司 | Transmission apparatus, electronic appliance, reception apparatus, and authentication system |
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| CN102314194A (en) * | 2010-06-29 | 2012-01-11 | 比亚迪股份有限公司 | Portable computer |
| CN102314194B (en) * | 2010-06-29 | 2013-12-04 | 比亚迪股份有限公司 | Portable computer |
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| CN111178332A (en) * | 2012-05-18 | 2020-05-19 | 苹果公司 | Device, method and graphical user interface for manipulating a user interface |
| CN103869775A (en) * | 2014-03-06 | 2014-06-18 | 无锡职业技术学院 | Intelligent management method for numerical control machine tool |
| CN103869775B (en) * | 2014-03-06 | 2016-06-08 | 无锡职业技术学院 | A kind of numerically-controlled machine intelligent management method |
| CN105739645A (en) * | 2016-01-12 | 2016-07-06 | 蚌埠学院 | Computer case and computer employing same |
| CN109522700A (en) * | 2018-08-30 | 2019-03-26 | 深圳市国科亿道科技有限公司 | A kind of host and pedestal interface authentication encryption system |
| CN111783113A (en) * | 2020-06-22 | 2020-10-16 | 济南浪潮高新科技投资发展有限公司 | Data access authority control method based on SAS Controller |
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| CN101382977B (en) | 2010-09-01 |
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