Bioinformatics sensing device and electronic equipment
A technology of biological information and sensing devices, applied in the field of biological information sensing, can solve the problems of high sensing accuracy and unfavorable accurate detection of biological information
Active Publication Date: 2020-05-19
柳州梓博科技有限公司
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[0003] However, for the sensing electrodes in the same column: when the driving circuit provides an excitation signal to a sensing electrode to drive the sensing electrode to perform biological information sensing, the driving circuit does not provide voltage signals to the remaining sensing electrodes. The voltage on the other sensing electrodes may be inconsistent due to signal interference and other influences, so the parasitic effects on the sensing electrodes that are performing biological information sensing are different and unknown, while the biological information sensing device has different effects on the sensing electrodes. The measurement accuracy requirements are relatively high, which is not conducive to the accurate detection of biological information.
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[0078] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. For convenience or clarity, the thickness and size of each layer shown in the drawings and the number of related elements may be exaggerated, omitted, or schematically shown. Also, the size of elements does not entirely reflect an actual size, and the number of related elements does not entirely reflect an actual number. Due to reasons such as different sizes of the drawings, the numbers of the same or similar or related elements ...
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The invention provides a biological information sensing device and electronic equipment. The biological information sensing device includes a plurality of sensing electrodes arranged in multiple rows and columns; a driving circuit connected to the plurality of sensing electrodes and used to drive the plurality of sensing electrodes to perform biological information sensing ; For sensing electrodes in the same column: when the driving circuit provides an excitation signal to a sensing electrode to perform biological information sensing, provide a first reference signal to some or all of the remaining sensing electrodes.
Description
technical field [0001] The invention relates to the technical field of biological information sensing, in particular to a biological information sensing device and electronic equipment with the biological information sensing device. Background technique [0002] At present, biometric information sensing devices have gradually become standard configurations of electronic equipment. For example, more and more mobile terminals use fingerprint sensing devices, face recognition sensing devices, eye pattern recognition sensing devices, and the like. Generally, the biological information sensing device includes a plurality of sensing electrodes arranged in an array and a driving circuit connected to each sensing electrode. The driving circuit generally drives the sensing electrodes row by row to perform biological information sensing. [0003] However, for the sensing electrodes in the same column: when the driving circuit provides an excitation signal to a sensing electrode to dr...
Claims
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IPC IPC(8): G06K9/00
CPCG06V40/12G06V40/16G06F3/0443
Inventor 李问杰
Owner 柳州梓博科技有限公司