Fingerprint identification module, electronic equipment and control method and control device thereof

A fingerprint recognition module and electronic equipment technology, applied in character and pattern recognition, acquisition/organization of fingerprints/palmprints, instruments, etc., can solve the problem of serious homogeneity of ultrasonic fingerprint recognition modules, and achieve good user experience, The effect of preventing single function and preventing homogenization

Pending Publication Date: 2020-09-11
VIVO MOBILE COMM CO LTD
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  • Claims
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[0004] The application discloses a fingerprint identification module, electronic equipment and its control method and cont

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  • Fingerprint identification module, electronic equipment and control method and control device thereof
  • Fingerprint identification module, electronic equipment and control method and control device thereof
  • Fingerprint identification module, electronic equipment and control method and control device thereof

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[0031] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0032] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequ...

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Abstract

The invention discloses a fingerprint identification module, electronic equipment and a control method and device thereof. In the fingerprint recognition module, a first ultrasonic transmitting part and a second ultrasonic transmitting part are both arranged on an ultrasonic fingerprint sensing part, and the first ultrasonic transmitting part, the second ultrasonic transmitting part and the ultrasonic fingerprint sensing part are all electrically connected with a control module; when the fingerprint identification module is in a fingerprint identification state, one of the first ultrasonic transmitting part and the second ultrasonic transmitting part and the ultrasonic fingerprint sensing part are both in a working state; under the condition that the fingerprint identification module is ina sounding state, the first ultrasonic transmitting part transmits first ultrasonic waves, the second ultrasonic transmitting part transmits second ultrasonic waves, the frequency of the first ultrasonic waves is not equal to that of the second ultrasonic waves, and the first ultrasonic waves and the second ultrasonic waves can be demodulated into audible sound waves through difference frequency.According to the scheme, the problem of relatively serious homogenization of the ultrasonic fingerprint identification module can be solved.

Description

technical field [0001] The present application relates to the technical field of fingerprint identification, and in particular to a fingerprint identification module, electronic equipment and its control method and control device. Background technique [0002] At present, electronic devices such as mobile phones and computers are products of the information age and can be seen everywhere in our lives. Electronic devices have brought great changes to people's lifestyles. However, the potential safety hazards of electronic equipment have attracted more and more people's attention, which has promoted the development of new technologies. Fingerprint recognition technology is one of the best. Electronic devices equipped with fingerprint recognition have become popular. [0003] The main application technical solutions of fingerprint recognition are mainly optical fingerprint recognition modules and ultrasonic fingerprint recognition modules, among which ultrasonic fingerprint r...

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/1306
Inventor 曾强
Owner VIVO MOBILE COMM CO LTD
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