In the field of smart homes, door locks are another broad audience product after light bulbs. The addition of a large number of manufacturers has accelerated the development speed and also allowed consumers to have a wide range of products to choose from. In 2014, the size of China's smart home market reached 28.61 billion yuan, and it is expected to exceed 300 billion yuan in 2020, with huge market potential. It is expected that with the continuous improvement of Internet technology, if "new generation" smart home products can take the lead in this market, it will have an inestimable effect on enterprises and industries. The status of locks in smart homes cannot be ignored. We cannot complete every part of smart homes. As long as we master them, we will have a great "money map".
Smart home is based on the house, using integrated wiring technology, network communication technology, smart home-system design scheme security prevention technology, automatic control technology, audio and video technology to integrate facilities related to home life to build efficient residential facilities and family schedule The management system of affairs improves the safety, convenience, comfort, and artistry of the home, and realizes an environmentally friendly and energy-saving living environment. Among them, security technology is an indispensable technology in smart home systems.
The security technology in all applications constitutes a home security system, including: access control, emergency help, smoke detection alarm, gas leak alarm, broken glass detection alarm, infrared microwave detection alarm, etc. Access control is the basic application in the entire home security system.
In the rapid development of digital technology and network technology, today's access control technology has developed rapidly. The access control system has long gone beyond simple doorway and key management, and it has gradually developed into a complete set of access control security management systems. It integrates microcomputer automatic identification technology and modern security management measures into one. It involves many new technologies such as electronics, machinery, optics, computer technology, communication technology, and biotechnology. It is an effective measure to solve the security prevention management of the entrances and exits of important departments. Confidential department.
The access control system can be divided into the following three categories according to the access mode: password identification, card identification, and biometric identification. In recent years, with the development of proximity card technology and biometric technology, the access control system has also developed by leaps and bounds. It has entered a mature stage and has its own specialties in terms of security, convenience, and manageability. The application area is also getting wider and wider. However, the most interesting and high-tech content in and outside the industry is biometrics.
Access control biometrics: extremely low cost and high security
Because of the uniqueness of the human body that is inherently irreproducible, this biological key cannot be copied, stolen, or forgotten. Biometrics is more secure, confidential, and convenient than traditional identification methods.
Biometrics can be roughly divided into two categories: physical feature recognition and behavioral feature recognition. Physical characteristics include: fingerprint recognition, vein recognition, palm geometry recognition, retinal recognition, iris recognition, facial recognition, DNA recognition; behavior characteristics include: voice and signature recognition, gait recognition. The biometric identification system samples biological features, extracts their unique features and converts them into digital codes, and further composes these codes into feature templates. When people interact with the identification system for identity authentication, the identification system compares its features with the feature templates in the database to determine whether the two match, and then decides to accept or reject the requester.
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