The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 1976
Filed:
Sep. 26, 1974
Duncan Barry Hodgson, Whitnash near Leominington Spa, EN;
The Lucas Electrical Company Limited, Birmingham, EN;
Abstract
A fault indicating system in a vehicle includes a d.c. source, a plurality of electrically operated devices operated by the d.c. source and a plurality of fault indicating units, one for each device. Each fault indicating unit is operable by a predetermined address signal, and on being operated produces after a delay an output representative of the operation condition of its device, each fault indicating unit having a different delay. A monitoring unit produces the predetermined address signal and receives the output signals from the fault indicating units. The monitoring unit operates in cycles, in each of which it has a transmission period in which it feeds the address signal to all the fault indicating units, and a plurality of receiving periods during which it receives the output signals from the fault indicating units in turn, warning means being operable by the monitoring unit to indicate a fault in any of the devices.