Fingerprint certification device of portable computer
A portable computer and fingerprint authentication technology, applied in computer parts, computing, character and pattern recognition, etc., can solve the problems of inconvenient carrying, stealing, not easy to remember, etc., and achieve the effect of reducing unsafe factors and reliable guarantee
Inactive Publication Date: 2009-02-04
中安科技集团有限公司
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Problems solved by technology
[0002] At present, computer power-on authentication usually adopts two methods of password and electronic key. These two methods do have certain effects and are widely used, but there are still shortcomings: the feature of password protection login is that the password Too few digits are easy to be broken by illegal users, causing important data on the computer to be destroyed and stolen; and too long digits are not easy to remember
For the use of electronic keys, although the password is no longer memorized, it is inconvenient to carry and easy to lose
In addition, these two methods also have limitations in the expansion of functions during use.
Method used
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[0028] Below in conjunction with accompanying drawing and embodiment the present invention is further described, wherein: figure 1 It is a circuit principle block diagram of the present invention. The fingerprint authentication device includes a USB interface, a USB interface circuit, a 5V filter circuit, a voltage conversion circuit, a 3.3V filter circuit, a parameter memory, a sliding fingerprint collection circuit and a collection instruction circuit. It can be seen from the accompanying drawings that the USB interface and the USB interface circuit are connected to each other. The USB interface is connected to the 5V filter circuit, the voltage conversion circuit and the 3.3V filter circuit. The USB interface circuit is connected to the acquisition indicating circuit. The USB interface circuit and the parameter memory are connected to each other. The USB interface circuit and the sliding fingerprint collection circuit are connected to each other.
[0029] Accompanying d...
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The invention discloses a portable computer fingerprint identification device, which comprises the following parts: USB interface, USB interface circuit, 5V filter circuit, voltage conversion circuit, 3.3V filter circuit, parameter storage, sliding fingerprint gathering circuit and gathering indication circuit, wherein the USB interface interconnects the USB interface circuit, which connects 5V filter circuit, voltage conversion circuit and 3.3V filter circuit; the USB interface circuit connects the gathering indication circuit, which interconnects the parameter storage and sliding fingerprint gathering circuit. The invention adapts fingerprint uniqueness, reliability and stability to affirm the real identification of user, which reduces the unsafe factor to guarantee the legal users.
Description
technical field [0001] The invention relates to an electronic product in the field of control or adjustment, more specifically, the invention refers to a portable computer fingerprint authentication device, and the invention should be classified into G05 in the International Patent Classification. Background technique [0002] At present, computer power-on authentication usually adopts two methods of password and electronic key. These two methods do have certain effects and are widely used, but there are still shortcomings: the feature of password protection login is that the password If the number of digits is too small, it is easy to be broken by illegal users, causing important data on the computer to be destroyed and stolen; and if the number of digits is too long, it is not easy to remember. For using the electronic key, although the password is no longer memorized, it is inconvenient to carry and easy to lose. In addition, these two methods also have limitations in fu...
Claims
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IPC IPC(8): G06F1/00G06K9/00
Inventor 李大东
Owner 中安科技集团有限公司