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US 7,733,222 B2Granted
Remotely controllable route indicating devices
AssigneeHoneywell International Inc.
InventorsZia Karim, Daniel C. Hawkinson, Andrew G. Berezowski
Life of this patent
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Abstract
A flexible audio output device includes control circuits couplable to a communications system and an audio announcement system. The communications system can transmit function specifying parameters to the device. Various forms of directional audio, or verbal messages can be emitted in accordance with received parameters.
Claims20
An apparatus comprising:
- at least one audible output unit which includes:
- a communication interface with an input port that can be coupled to a communications system, and an output port coupled to sound generating control circuits, the control circuits receive parametric information which specifies output audio characteristics;
- an audio input port, that can be coupled to a regional audio output system;
- a multiplexer with on input coupled to the control circuits and with a second input coupled to the audio input port, the multiplexer having an output port;
- and
- an audio output transducer coupled to the output port.
3 more elements
A condition monitoring system comprising:
- a control unit with a first communications port to transmit and receive commands and data to and from members of a plurality of ambient condition detectors;
- an audio system for transmitting verbal messages into a selected region, the system is coupled to the control unit;
- and
- a plurality of audio output devices coupled to the control unit with each of the devices including:
- a communication interface with an input port that can be coupled to a communications system, and an output port coupled to sound generating control circuits, the control circuits receive parametric information which specifies output audio characteristics;
- an audio input port, that can be coupled to a regional audio output system;
- a multiplexer with on input coupled to the control circuits and with a second input coupled to the audio input port, the multiplexer having an output port;
- and
- an audio output transducer coupled to the output port.
6 more elements
Dependencies are inferred from the claim text.