Portable transmitter for tire air pressure warning apparatus

Details Portable transmitter for tire air pressure warning apparatus Portable transmitter for tire air pressure warning apparatus

1995-09-07

1998-10-20

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340442, 731474, 116 34R, 200 6122, B60C 2300

Patent

active

058252851

ABSTRACT:
A tire air warning apparatus attached to a wheel of the vehicle is disclosed. The apparatus includes a sensor which detects tire air pressure lower than a predetermined value and a transmitter which outputs a signal in accordance with an instruction from the sensor. The transmitter accommodates a transmitting substrate, an electric power source and an antenna electrically connected with the substrate. The transmitter is filled up with a non-conductive resin to fix the substrate, power source and antenna in the transmitter.

REFERENCES:
patent: 3950726 (1976-04-01), Fujikawa et al.
patent: 5365247 (1994-11-01), Van Der Veen et al.
patent: 5409777 (1995-04-01), Kennedy et al.

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