Inductive loop diagnostic interface

Details Inductive loop diagnostic interface Inductive loop diagnostic interface

1996-06-17

1998-07-07

Trammell, James P.

Boots, shoes, and leggings

34082515, 34087028, 340931, 340941, G08G 1048

Patent

active

057778930

ABSTRACT:
A system and method for transferring historic and instantaneous diagnostic data relating to performance of an inductive loop vehicle detector 10 is disclosed and claimed. The aforementioned date is gathered over a period of time, updated and stored in a detector unit 14 forming part of the system. The stored data is then used repeatedly to modulate visible light emitted by a light emitting device 22 on the unit 14 at such a rate that the data would not be discernible to a human. The data is received by a portable data reading device 24 which is brought into optical communication with the device 22.

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patent: 4566008 (1986-01-01), Powers et al.
patent: 4680717 (1987-07-01), Martin
patent: 5512891 (1996-04-01), Kang

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