Non-invasive optical blood alcohol concentration reader and vehicle ignition interlock system and method
First Claim
1. A vehicle ignition interlock system apparatus for preventing an alcohol impaired operator from starting a vehicle'"'"'s engine, said apparatus comprising:
- a non-invasive, blood alcohol concentration tester member, said tester member comprising an electromagnetic energy light source, an incident light collector, a human tissue receptacle, an emanating light collector, a light absorption analyzer, and a blood alcohol concentration generator; and
electrical and electronic circuitry responsive to a signal generated by said tester member, said electrical and electronic circuitry comprising a blood alcohol concentration comparator for generating a first signal indicative of an operator'"'"'s non-impaired state for enabling start-up of a vehicle'"'"'s engine, and for generating a second signal indicative of an operator'"'"'s impaired state for disabling start-up of a vehicle'"'"'s engine.
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Abstract
A vehicle ignition interlock system including a non-invasive reader of a person'"'"'s blood-alcohol concentration in combination with ignition interlock circuitry that prevents operation of a vehicle by an intoxicated person. The non-invasive blood-alcohol concentration reader, termed alcoh-meter, utilizes optical spectroscopic electromagnetic radiation technology to determine the alcohol levels in the blood. The alcoh-meter is preferably a dash mounted sensor for receiving a person'"'"'s finger and absorbing incident light from a multiple wavelength light source and causing a light absorption reading to be generated based on the person'"'"'s blood alcohol concentration in the finger tissue. After registering a reading, the results are compared electronically against a table of impaired/non-impaired levels of blood alcohol concentration. The impaired/non-impaired results are communicated to interlock circuitry that either enables, or disables start-up of the vehicle. If an impaired status is determined, the results are displayed instructing the operator to wait, or find a non-impaired operator.
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Citations
18 Claims
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1. A vehicle ignition interlock system apparatus for preventing an alcohol impaired operator from starting a vehicle'"'"'s engine, said apparatus comprising:
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a non-invasive, blood alcohol concentration tester member, said tester member comprising an electromagnetic energy light source, an incident light collector, a human tissue receptacle, an emanating light collector, a light absorption analyzer, and a blood alcohol concentration generator; and electrical and electronic circuitry responsive to a signal generated by said tester member, said electrical and electronic circuitry comprising a blood alcohol concentration comparator for generating a first signal indicative of an operator'"'"'s non-impaired state for enabling start-up of a vehicle'"'"'s engine, and for generating a second signal indicative of an operator'"'"'s impaired state for disabling start-up of a vehicle'"'"'s engine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A vehicle ignition interlock system apparatus for preventing an alcohol impaired operator from starting a vehicle'"'"'s engine, said apparatus comprising:
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a non-invasive, blood alcohol concentration tester member, said tester member comprising an electromagnetic energy light source, and a blood alcohol concentration generator; and electrical and electronic circuitry responsive to a signal generated by said tester member, said electrical and electronic circuitry comprising a blood alcohol concentration comparator for generating a first signal indicative of an operator'"'"'s non-impaired state for enabling start-up of a vehicle'"'"'s engine, and for generating a second signal indicative of an operator'"'"'s impaired state for disabling start-up of a vehicle'"'"'s engine. - View Dependent Claims (12, 13, 14)
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15. A method for preventing an alcohol impaired operator from starting a vehicle'"'"'s engine, said method comprising the steps of:
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(a) providing a vehicle ignition interlock system apparatus, said apparatus comprising; a non-invasive, blood alcohol concentration tester member, said tester member comprising an electromagnetic energy light source, an incident light collector, a human tissue receptacle, an emanating light collector, a light absorption analyzer, and a blood alcohol concentration generator; and electrical and electronic circuitry responsive to a signal generated by said tester member, said electrical and electronic circuitry comprising a blood alcohol concentration comparator for generating a first signal indicative of an operator'"'"'s non-impaired state for enabling start-up of a vehicle'"'"'s engine, and for generating a second signal indicative of an operator'"'"'s impaired state for disabling start-up of a vehicle'"'"'s engine; (b) energizing said blood alcohol concentration tester member and positioning an operator'"'"'s body tissue within said human tissue receptacle and exposing said body tissue to incident light from said electromagnetic energy light source; (c) absorbing said incident light by said body tissue; (d) emanating light from said body tissue; (e) determining quantitative amount of light absorbed by said body tissue; (f) generating a blood alcohol concentration reading based on said determined quantitative amount of light absorbed by said body tissue; (g) determining an impaired state based upon said generated blood alcohol concentration reading; and (h) disabling start-up of a vehicle'"'"'s engine. - View Dependent Claims (16, 17, 18)
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Specification