MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202641122824 A) filed by Vishnu Institute Of Technology on October 14, 2026, for Bluetooth-Enabled Intelligent Public Announcement System.
Inventors include Mr. Yallapu Srinivas; Daggula Sandeep Kumar Reddy; Gonthina Durga Prasad; Gudesa Sandeep; Abothu Emmanuel; and Dwarampudi Navya Sree.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: A Bluetooth-enabled public announcement system (100) receives announcement audio from a mobile device (102) over a Bluetooth audio link at a Bluetooth audio receiver (110), whose output feeds an amplifier (112) with a mute input connected through a relay (128a-128d) to the speakers of each zone. A microcontroller (122), such as an ESP32, receives text commands from a mobile application (104) over a Bluetooth data link, and push-button inputs, and determines the requested state of each zone. Before changing any relay it mutes the amplifier, switches the relays, waits for settling and unmutes, so that zones switch silently, and then returns a status message stating the state of every zone. In an announcement mode, the application sends the zone selection, waits for confirmation, and only then plays speech generated from the typed announcement by a text-to-speech engine.
Disclaimer: Curated by HT Syndication.
