Communications: directive radio wave systems and devices (e.g. – Presence detection only
Reexamination Certificate
2006-08-08
2006-08-08
Pihulic, Daniel (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Presence detection only
C342S028000, C342S053000
Reexamination Certificate
active
07088284
ABSTRACT:
A warning device in one embodiment includes a housing which is portable, the housing containing preferably a microwave transceiver operating as a proximity-sensing device, a stroboscopic lamp and/or a horn disposed in the housing in electrical connection with the sensing device for emitting a series of flashes and/or honks in response to the sensing of an object within predetermined range of the sensing device, a battery in the housing for powering the sensing device and the lamp and/or horn, and a system for mounting the housing to a variety of supporting objects.
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patent: 2232800 (1990-12-01), None
Pedersen Barbara S.
Pedersen Ken J.
Pedersen & Co. PLLC
Pihulic Daniel
Preco Electronics, Inc.
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