- Patent Title: Public address system using wireless mobile communication devices
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Application No.: US13966377Application Date: 2013-08-14
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Publication No.: US09232329B2Publication Date: 2016-01-05
- Inventor: Vahid Moosavi , Sean Wilson , Scott Douglas Rose
- Applicant: BLACKBERRY LIMITED
- Applicant Address: CA Waterloo, Ontario
- Assignee: BLACKBERRY LIMITED
- Current Assignee: BLACKBERRY LIMITED
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Perry + Currier, Inc.
- Main IPC: H04M1/725
- IPC: H04M1/725 ; H04L12/58 ; H04R27/00 ; H04W24/02
Abstract:
A public address system is set forth, comprising at least one wireless mobile communication device; a sound system; and a back-end system for selectively receiving a wireless signal from the wireless mobile communication device and transmitting the signal to the sound system for broadcast.
Public/Granted literature
- US20140023204A1 PUBLIC ADDRESS SYSTEM USING WIRELESS MOBILE COMMUNICATION DEVICES Public/Granted day:2014-01-23
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