Communications: electrical – Selective – Having indication or alarm
Patent
1980-03-21
1982-12-28
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
180287, 307 10AT, 34082531, 361172, B60R 2500, G07C 508
Patent
active
043664660
ABSTRACT:
An arrangement for preventing an unauthorized starting of vehicles which includes a data carrier preferably connected to a key provided for mechanical locks of the motor vehicle and with an evaluating circuit triggering a signal if the correct information is introduced into the arrangement. The data carrier contains at least one of unerasable vehicle-related information or erasable arbitrary information. The evaluating circuit includes at least one read/write unit and a comparison unit wherein the total data of the data carrier are examined and which, in addition to the signal triggered if the information was recognized as correct, passes on the vehicle-related information at least partially to a terminal provided for one of external diagnostic systems or a diagnostic system provided in the vehicle.
REFERENCES:
patent: Re29259 (1977-06-01), Sabsay
patent: 3624608 (1971-11-01), Altman et al.
patent: 3944976 (1976-03-01), France
patent: 4072850 (1978-02-01), McGlynn
patent: 4205325 (1980-05-01), Haygood et al.
patent: 4206491 (1980-06-01), Ligman et al.
patent: 4236594 (1980-12-01), Ramsperger
patent: 4298792 (1981-11-01), Granholm et al.
Caldwell Sr. John W.
Craig, Jr. Paul M.
Daimler-Benz Aktiengesellschaft
Nowicki Joseph E.
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