Tire pressure gauge
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United States of America Patent
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-
Nov 10, 1987
Issued Date -
N/A
app pub date -
May 19, 1986
filing date -
May 19, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tire pressure gauge located within a self-contained enclosure having a chargeable numeric display at its exterior. An air inlet on the enclosure is utilized to establish pneumatic communication between the interior of an inflated tire and the interior of the enclosure. The enclosure interior is provided with electronic pressure responsive circuits operably connected to the display for presenting a numerical reading of air pressure. A power control circuit is operated by a programmed CPU, which electronically shifts it between operative and inoperative states to prolong battery life. The programmed CPU also detects maximum pressure readings, which are announced to the user by an electronically driven audible signal device within the hand-held enclosure.
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