Illumination – With wearing apparel or body support
Patent
1992-01-21
1993-02-23
Yeung, James C.
Illumination
With wearing apparel or body support
36137, 362800, F21L 1508
Patent
active
051884470
ABSTRACT:
A member made from a suitable material such as a polyurethane epoxy designed to withstand impact against an object is provided as a support member. For example, the member may constitute an insert disposed on or in the heel of a shoe but a wide variety of other applications are possible. A suitable member such as a piezoelectric member is disposed on the support member to produce a signal when the support member is impacted against the object or when the impact is released. This signal is amplified by an amplifier which is powered by a suitable source such as a battery. The amplified signals are introduced to a light emitting member such as a light emitting diode which provides an illuminated indication of the impact of the support member against the object. A member such as a resistance may be disposed in the circuit with the battery and the amplifier to limit the current flow through the amplifier during the times that the piezoelectric member is energized.
REFERENCES:
patent: 4128861 (1978-12-01), Pelengaris
patent: 4748366 (1988-05-01), Taylor
patent: 4848009 (1989-07-01), Rodgers
patent: 5052131 (1991-10-01), Rondini
Chiang Lee
Ratcliffe William R.
Marpole International Inc.
Roston Ellsworth R.
Schwartz Charles H.
Yeung James C.
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