Electrical lock for ignition systems

作者: George Bell

DOI:

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摘要: An electrical lock for vehicular ignition systems having adapters that are irremovably interposed between a predetermined number of spark plug cable receptacles and their distributor contacts. The being two types, normally open contact type closed type, the contact-type adapter spring-loaded solenoid which is activated by an electric key closing circuit to direct current overcome spring close permitting flow from system battery through contacts individual engine its operation. has permits battery, contacts, cable, engine. not effected key. In event tampered with, cause solenoid, it will activate thus preventing flowing plug.

参考文章(1)
Greenspan Arnold, Automobile theft protection device ,(1958)