GLASS ANTENNA DEVICE FOR VEHICLE AND RADIO RECEIVER APPARATUS USING THE SAME

摘要

The present invention provides a vehicle glass antenna device which can receive AM and FM waves with high sensitivity without a choke coil and thus facilitates basic designing and adjustment of its antenna patterns. The glas s antenna device includes an AM antenna provided so as not to be capacitively coupled with a defogging heater unit also installed on a vehicle window glas s. An FM antenna in the form of a single horizontal antenna conductor element i s disposed on the window glass between the defogging heater unit and the AM antenna. The glass antenna device further includes an AM amplifier for amplifying a signal received via the AM antenna and an FM amplifier for amplifying a signal received via the FM antenna.