Self-cancelling parking meter
First Claim
1. IN A PARKING METER ARRANGEMENT HAVING A PARKING TIME INDICATOR WITH AN EXPIRED POSITION, DRIVE MEANS FOR DRIVING SAID INDICATOR TO SAID EXPIRED POSITION, A CLOCKWORK MECHANISM FOR CONTROLLING THE SPEED AT WHICH SAID DRIVE MEANS DRIVES SAID INDICATOR, AND ELECTRICAL DETECTION MEANS FOR ZEROING THE METER TO ITS EXPIRED POSITION IN THE ABSENCE OF A VEHICLE IN THE PARKING AREA CONTROLLED BY THE METER, THE IMPROVEMENT WHICH COMPRISES MEANS, INCLUDING A SOLENOID, FOR DISENGAGING SAID CLOCKWORK MECHANISM WHEN SAID SOLENOID IS ENERGIZED, SAID DETECTION MEANS COMPRISING A CIRCUIT CONTAINING AN ANTENNA AND TUNED TO THE NORMAL CAPACITANCE BETWEEN THE ANTENNA AND GROUND AND DETUNED BY CAPACITANCE BETWEEN SAID ANTENNA AND A VEHICLE IN THE PARKING AREA CONTROLLED BY THE METER, AND MEANS FOR ENERGIZING SAID SOLENOID WHEN SAID CIRCUIT IS TUNED.
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Accused Products
3 Citations
1 Claim
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1. IN A PARKING METER ARRANGEMENT HAVING A PARKING TIME INDICATOR WITH AN EXPIRED POSITION, DRIVE MEANS FOR DRIVING SAID INDICATOR TO SAID EXPIRED POSITION, A CLOCKWORK MECHANISM FOR CONTROLLING THE SPEED AT WHICH SAID DRIVE MEANS DRIVES SAID INDICATOR, AND ELECTRICAL DETECTION MEANS FOR ZEROING THE METER TO ITS EXPIRED POSITION IN THE ABSENCE OF A VEHICLE IN THE PARKING AREA CONTROLLED BY THE METER, THE IMPROVEMENT WHICH COMPRISES MEANS, INCLUDING A SOLENOID, FOR DISENGAGING SAID CLOCKWORK MECHANISM WHEN SAID SOLENOID IS ENERGIZED, SAID DETECTION MEANS COMPRISING A CIRCUIT CONTAINING AN ANTENNA AND TUNED TO THE NORMAL CAPACITANCE BETWEEN THE ANTENNA AND GROUND AND DETUNED BY CAPACITANCE BETWEEN SAID ANTENNA AND A VEHICLE IN THE PARKING AREA CONTROLLED BY THE METER, AND MEANS FOR ENERGIZING SAID SOLENOID WHEN SAID CIRCUIT IS TUNED.
Specification
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Current AssigneeJohn P. Lomenzo, Ralph C. Bailey, Sidney J. Salzman
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Original AssigneeJohn P. Lomenzo, Ralph C. Bailey, Sidney J. Salzman
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InventorsBailey, Ralph C., Lomenzo, John P., Salzman, Sidney J.
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Application NumberUS04/150,790Time in Patent Office987 DaysField of SearchUS Class Current368/6CPC Class CodesG07F 17/246 provided with vehicle proxi...
