Antenna system for a telephone in a vehicle
AssigneeNokia Mobile Phones Ltd.
InventorChristian Ansorge
Life of this patent
Estimating the term…
Abstract
An antenna system for a radio telephone in a vehicle that has a primary antenna to realize telephone communication with optimal connection quality connected to the radio telephone by an antenna wire, a secondary antenna that at least allows for telephone communication with limited connection quality when the primary antenna fails and an electric switch that connects the secondary antenna to the radio telephone after the primary antenna fails. This is realized in that the primary antenna is mounted on the vehicle with a breakable fastening element and that the switch automatically connects the secondary antenna to the antenna wire by mechanical means in place of the primary antenna when the fastening element is broken off.
Claims12
An antenna system for a radio telephone in a vehicle comprising:
- a primary antenna used to communicate via telephone with optimal connection quality through an antenna wire connected to the radio telephone;
- a secondary antenna that allows one to at least make a telephone call with reduced connection quality when the primary antenna fails;
- and
- an electric switch that connects the secondary antenna to the radio telephone after the primary antenna fails,
- wherein the primary antenna is fastened to the vehicle with a breakable fastening element, and
- wherein the switch automatically connects the secondary antenna to the antenna wire by mechanical means in place of the primary antenna when the fastening element is broken off.
Dependencies are inferred from the claim text.