Invention Grant
- Patent Title: Method of activating a supplemental visual warning signal based on frequency emitted from a generator of a primary audible warning signal
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Application No.: US15947588Application Date: 2018-04-06
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Publication No.: US10169964B2Publication Date: 2019-01-01
- Inventor: David J. Delia , Wayne M. Delia , Edward E. Kelley
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Scully, Scott, Murphy & Presser, P.C.
- Agent Scott Dobson, Esq.
- Main IPC: G08B1/08
- IPC: G08B1/08 ; G08B7/06 ; A63B71/06 ; H04B1/38 ; A41D1/00 ; H04B1/3827 ; H04W4/021 ; H04W56/00 ; H04W72/04 ; A63B71/00
Abstract:
A system and method for signaling users including a control device electrically connected to a transceiver. The transceiver has a specified frequency. A first mobile signal device being activated by a first user and electrically communicating with a first transmitter having a selectable signal frequency. The first transmitter electrically communicates with the transceiver using the specified frequency. A second signal device includes a second receiver for receiving an activation signal from the transceiver. The second receiver electrically communicates with the transceiver using the specified frequency. The second signal device is activated by the activation of the first mobile signal device using the transceiver for alerting other persons.
Public/Granted literature
Information query
