Portable transmitter for tire air pressure warning apparatus

Claim 2

A tire pressure warning apparatus, adapted to be attached to a wheel of a vehicle, including a sensor for detecting a tire air pressure lower than a predetermined level and a transmitter for outputting a signal in accordance with an instruction from the sensor, said apparatus comprising: a transmitting substrate disposed in the transmitter; an antenna electrically connected to said substrate in the transmitter; and a non-conductive resin for securing said substrate in the transmitter; said electrical connection of said antenna to said substrate being in the form of a coiled feeder wire.

Claim 3

The apparatus as set forth in claim 1, wherein said substrate includes electrical parts thereon.

Claim 4

The apparatus as set forth in claim 2, wherein said non-conductive resin includes silicone.

Claim 5

A tire pressure warning apparatus, adapted to be attached to a wheel of a vehicle, including a sensor for detecting a tire air pressure lower than a predetermined level and a transmitter for outputting a signal in accordance with an instruction from the sensor, said apparatus comprising: a transmitting substrate disposed in the transmitter, said substrate including electrical parts thereon; an electric power source, disposed in the transmitter, for supplying electric power to said substrate; an antenna electrically connected to said substrate in the transmitter; and a non-conductive resin for securing said substrate, said power source and said antenna in the transmitter; said electrical connection of said antenna to said substrate being by a coiled feeder wire.

Claim 6

A tire pressure warning apparatus, adapted to be attached to a wheel of a vehicle, including a sensor for detecting a tire air pressure lower than a predetermined level and a transmitter for outputting a signal in accordance with an instruction from the sensor, said apparatus comprising: a transmitting substrate disposed in the transmitter, said substrate including electrical parts thereon; an electric power source, disposed in the transmitter, for supplying electric power to said substrate; an antenna electrically connected to said substrate in the transmitter; and a non-conductive resin for securing said substrate, said power source and said antenna in the transmitter; said electrical connection of said antenna to said substrate being by a coiled feeder wire.

Claim 7

A tire air warning apparatus including at least two contacts for making electrical contact with one another when air pressure in a tire is lower than a predetermined level, means for outputting a signal based on said electrical contact, and antenna means for transmitting a radio wave based on the signal from the outputting means, the generating means being electrically connected with the outputting means, said apparatus comprising: means for housing the outputting means; means for fixing the outputting means in said housing means; and spiral wire feeder means for electrically connecting the outputting means with the transmitting means.

Claim 8

A tire air warning apparatus including at least two contacts for making electrical contact with one another when air pressure in a tire is lower than a predetermined level, means for outputting a signal based on said electrical contact, and antenna means for transmitting a radio wave based on the signal from the outputting means, the generating means being electrically connected with the outputting means, said apparatus comprising: means for housing the outputting means; means for fixing the outputting means in said housing means; and spiral wire feeder means for electrically connecting the outputting means with the transmitting means.

Claim 9

The apparatus as set forth in claim 5, wherein said spiral wire feeder connecting means includes a coiled feeder wire.

Claim 10

A tire pressure warning apparatus including at least two contacts for making electrical contact with one another when air pressure in a tire is lower than a predetermined level, means for outputting a signal based on said electrical contact, and antenna means for transmitting a radio wave based on the signal from the outputting means, the antenna means being electrically connected with the outputting means, said apparatus comprising: means for housing the outputting means; means for fixing the outputting means in said housing means; the outputting means comprising a transmitting substrate; the antenna means comprising an antenna; and a coiled feeder wire for connecting said substrate with said antenna means.

Claim 11

A tire pressure warning apparatus including at least two contacts for making electrical contact with one another when air pressure in a tire is lower than a predetermined level, means for outputting a signal based on said electrical contact, and antenna means for transmitting a radio wave based on the signal from the outputting means, the antenna means being electrically connected with the outputting means, said apparatus comprising: means for housing the outputting means; means for fixing the outputting means in said housing means; the outputting means comprising a transmitting substrate; the antenna means comprising an antenna; and a coiled feeder wire for connecting said substrate with said antenna means.

Claim 12

The apparatus as set forth in claim 7, wherein said transmitting substrate includes a plurality of electric parts.

Claim 13

The apparatus as set forth in claim 7, wherein said fixing means includes a non-conductive resin.

Claim 14

The apparatus as set forth in claim 9, wherein said non-conductive resin includes silicone.