Visual signalling apparatus
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United States of America Patent
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Dec 21, 1982
Issued Date -
N/A
app pub date -
Nov 3, 1980
filing date -
Jun 8, 1979
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Expired
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Abstract
An apparatus for visually signalling hearing impaired persons of the occurrence of an audible sound producing event. A plurality of sensing devices are individually located adjacent to a sound producing device, such as a telephone, doorbell, fire detector, etc., to sense the audible sounds produced by the activation of such devices. The output signals from the sensing devices are arranged in a predetermined priority ranking to enable a more important event to take precedence over an already occurring less important event. A sensing device transmits a signal to a central logic unit indicating the activation of one of the sound producing devices. The central logic unit identifies which sensing device sent the signal and transmits a predetermined sequence of output pulses associated with the particular activated device to a plurality of control modules. The control modules are each associated with an illuminating device, such as a light, and turn the associated light on and off in a predetermined sequence according to the received output pulses from the central logic unit to signal the hearing impaired person which sound producing event has taken place.
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kollin, Adam | 28 E. Iroquois, Pontiac, MI 48053 | 5 | 168 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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