Electronic warning device
First Claim
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1. AN ALARM SYSTEM FOR AN ENCLOSED VEHICLE OR THE LIKE COMPRISING, SENSING MEANS FOR RECEIVING UNCODED SIGNAL ENERGY RADIATED EXTERNAL TO THE VEHICLE OF VARYING FREQUENCY, AMPLITUDE AND DURATION, SIGNAL SELECTING MEANS OPERATIVELY CONNECTED TO THE SENSING MEANS FOR TRANSMITTING ONLY SIGNAL ENERGY INDICATIVE OF AN EXTERNALLY DANGEROUS CONDITION, EMERGENCY OPERATING MEANS OPERATIVELY CONNECTED TO THE SIGNAL SELECTING MEANS AND RESPONSIVE TO SIGNAL ENERGY TRANSMITTED THERETHROUGH FOR PROVIDING
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1 Claim
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1. AN ALARM SYSTEM FOR AN ENCLOSED VEHICLE OR THE LIKE COMPRISING, SENSING MEANS FOR RECEIVING UNCODED SIGNAL ENERGY RADIATED EXTERNAL TO THE VEHICLE OF VARYING FREQUENCY, AMPLITUDE AND DURATION, SIGNAL SELECTING MEANS OPERATIVELY CONNECTED TO THE SENSING MEANS FOR TRANSMITTING ONLY SIGNAL ENERGY INDICATIVE OF AN EXTERNALLY DANGEROUS CONDITION, EMERGENCY OPERATING MEANS OPERATIVELY CONNECTED TO THE SIGNAL SELECTING MEANS AND RESPONSIVE TO SIGNAL ENERGY TRANSMITTED THERETHROUGH FOR PROVIDING
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Current AssigneeHarvey G. Smith
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Original AssigneeHarvey G. Smith
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InventorsSmith, Harvey G.
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Application NumberUS04/137,622Time in Patent Office1,330 DaysField of SearchUS Class Current367/135CPC Class CodesB61L 29/246 Signals or brake- or lighti...
