Mobile terminal and its radio frequency fingerprint identification device and method
A technology of fingerprint recognition and radio frequency fingerprint, which is applied in character and pattern recognition, acquisition/sorting of fingerprints/palmprints, instruments, etc. It can solve the problems of large power consumption and achieve the effect of improving accuracy
Active Publication Date: 2019-06-18
XIAN YIPU COMM TECH
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to overcome the defect that in the prior art, in order to realize the normal operation of the fingerprint identification device, the mobile terminal needs to always supply power to the fingerprint identification device, resulting in large power consumption, and to provide a mobile terminal and its radio frequency fingerprint sensor. Identification device and method
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Embodiment Construction
[0095] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0096] figure 1 It is a schematic diagram of modules of a radio frequency fingerprint identification device in an embodiment of the present invention. Such as figure 1 As shown, the radio frequency fingerprint identification device of this embodiment is applied to a mobile terminal, and the mobile terminal includes a touch screen 1, and the touch screen includes a plurality of pixel units arranged in an array. The radio frequency fingerprint identification device includes a plurality of fingerprint identification units 2 , a power supply control module 3 and a fingerprint identification control module 4 arranged under the touch screen 1 . The fingerprint identification control module 4 is electrically connected to the power supply control module 3 and the touch screen 1 respectively, and the power supply control module 3 is ...
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The invention discloses a mobile terminal and its radio frequency fingerprint identification device and method. The device includes a plurality of fingerprint identification units, a power supply control module and a fingerprint identification control module arranged under the touch screen; the touch screen of the mobile terminal is used to obtain information on the area touched by the finger when receiving a touch operation instruction; the The fingerprint identification control module is used to generate a fingerprint identification area according to the received area information; the fingerprint identification area corresponds to at least part of the fingerprint identification units in the plurality of fingerprint identification units; the at least part of the fingerprint identification units are defined as targets A fingerprint identification unit; triggering the power supply control module to supply power to the target fingerprint identification unit to collect fingerprint information. The present invention only supplies power to the fingerprint identification unit corresponding to the fingerprint identification area when the user performs fingerprint identification, and does not and does not need to supply power to other fingerprint identification units, thereby greatly reducing the power consumption of the radio frequency fingerprint identification device.
Description
technical field [0001] The invention relates to the technical field of electronic products, in particular to a mobile terminal and a radio frequency fingerprint identification device and method thereof. Background technique [0002] Realizing radio frequency fingerprint identification in the touch screen area can not only realize multi-finger fingerprint identification but also has better security performance, so more and more mobile terminals use touch screen radio frequency fingerprint identification technology. Patent applications CN201480029579.2 and CN20118005414.X disclose detailed solutions and practical applications of radio frequency fingerprint identification systems (including radio wave detection and ultrasonic detection). It needs to work all the time, even if the fingerprint identification unit in the device does not need to collect fingerprints, it still needs to supply power to it, that is, the mobile terminal needs to always supply power to the fingerprint i...
Claims
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IPC IPC(8): G06F1/3234G06F3/0488G06K9/00
CPCG06F1/3234G06F3/0488G06V40/1306G06F1/3262G06F3/0416G06F3/04166G06F3/03547G06F2203/0338
Inventor 李伟
Owner XIAN YIPU COMM TECH