Patent ID: 8022883

Claim:
An automobile rear windowpane antenna apparatus mounted on a rear windowpane plate, said rear windowpane plate having a window edge which consists of an upper end edge, a lower end edge, a right end edge, and a left end edge, said automobile rear windowpane antenna apparatus comprising: a defogger disposed on said rear windowpane plate at a lower portion thereof; an antenna pattern disposed above said defogger on said rear windowpane plate at an upper portion thereof, wherein said antenna pattern is disposed so as to extend between a right-hand connecting conductor disposed substantially at said right end edge and a left-hand connecting conductor disposed substantially at said left end edge; and a feeding point disposed inside said antenna pattern; wherein said antenna pattern comprises: a grating element disposed in close proximity to said defogger; and a plurality of horizontal elements which are disposed in close proximity to and upwards of said grating element and which extend in a horizontal direction, said plurality of horizontal elements being connected to said grating element through said right-hand connecting conductor and said left-hand connecting conductor; wherein said feeding point is mounted to an internal tip of a first horizontal element, said first horizontal element being an uppermost one among said plurality of horizontal elements; wherein said first horizontal element comprises a first right-hand horizontal element and a first left-hand horizontal element, said feeding point being mounted to one of a tip of said first right-hand horizontal element and a tip of said first left-hand horizontal element.