Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1982-08-11
1984-06-05
Lazarus, Ira S.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
340 64, 307 10AT, 180287, B60R 2504
Patent
active
044521979
ABSTRACT:
Ignition foiling device which serves to interfere with the efficient operation of a vehicle ignition system after a brief, predetermined period of time has elapsed subsequent to the unauthorized start-up of the vehicle engine. The foiling device thereby serves to thwart the theft, or other confiscative act directed at a protected vehicle, through first allowing the vehicle engine to start-up in an apparently normal manner and operate for a brief period of time, thereby allowing the illicit operator to drive the vehicle into an attention getting location. The ignition system then becomes irregularly interrupted in such a way that the illusion of misfiring and performance malfunction of the engine is created which serves to discourage the illicit operator from continuing with the attempted theft. The invention couples with the usual components comprising a spark ignition vehicle engine and, through a key or secret switch, it can be defeated by a legitimate operator while an unlawful operator will most likely be unable to overcome the invention's crippling effect on the vehicle's operation.
REFERENCES:
patent: 1442311 (1923-01-01), Watson
patent: 1854868 (1932-04-01), Talkes et al.
patent: 1940380 (1933-12-01), Ulloa
patent: 2022725 (1935-12-01), Lazarus et al.
patent: 2030939 (1936-02-01), Robinson
patent: 2580080 (1951-12-01), Dewhirst
patent: 4019489 (1977-04-01), Cartmill
patent: 4141332 (1979-02-01), Wyler
patent: 4300495 (1981-11-01), Trevino
Practical Electronics, "Car Anti-Theft Device", Alastair Mutch, Oct. 1980, vol. 16, No. 10, p. 41.
Elektor, "Stop Thief", B. H. J. Bennink, Apr. 1980, vol. 6, No. 4, p. 28.
Elektor, "Car Anti-Theft Protection", B. H. J. Bennink, Jul. 1979, No. 7, p. 23.
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