Contactless Audio-Visual Intelligent Doorbell Security System Using Hybrid Technologies for Domestic and Commercial Applications

Status: Granted Patent (South Africa)Application No.: 2023/02933This invention presents an intelligent contactless doorbell security system designed to enhance safety, convenience, and visitor management for residential and commercial environments. The system integrates multiple sensing technologies, embedded hardware, and intelligent decision-making mechanisms to provide real-time monitoring and secure interaction between occupants and visitors. The proposed solution combines motion detection, audio-visual communication, facial recognition capabilities, and automated notification mechanisms into a unified smart security platform. By utilizing hybrid sensing technologies, the system can detect visitor presence, capture images or video, facilitate two-way communication, and generate alerts without requiring physical contact with the doorbell interface. The architecture is designed to support remote monitoring, improve accessibility, and reduce unnecessary physical interaction while enhancing surveillance capabilities. The invention is applicable to smart homes, offices, apartment complexes, hospitals, educational institutions, and other facilities requiring intelligent access monitoring and security automation. Key Technologies Smart Security Systems Internet of Things (IoT) Embedded Systems Computer Vision Facial Recognition Motion Detection Audio-Visual Communication Sensor Integration Smart Home Automation Intelligent Visitor Monitoring Research AreasArtificial Intelligence • Computer Vision • Embedded Systems • IoT • Smart Cities • Intelligent Security Systems