Vehicle windshield having antenna

• US 20050212709A1
• Filed: 03/11/2005
• Published: 09/29/2005
• Est. Priority Date: 03/12/2004
• Status: Abandoned Application

• Current Assignee: Nippon Sheet Glass Company Limited
• Original Assignee: Nippon Sheet Glass Company Limited
• Inventors: Kakizawa, Hitoshi, Doi, Ryokichi
• Application Number:
  US11/077,657
• Publication Number:
  US 20050212709A1
• Time in Patent Office: Days
• US Class Current: 343/713
• CPC Class Codes: B32B 17/10889 shaping the sheets, e.g. by using a mould B32B17/10816 takes precedence
• CPC Class Codes: H01Q 1/1271 for mounting on windscreens

Abstract

A vehicle windshield having an antenna is provided. The windshield comprises a front portion including a region for securing a field of view for a driver of a vehicle, and two side portions each extending along the side of the vehicle bending from the side of the front portion. The side portions are integrally formed with the front portion, respectively. At least one antenna element is provided at a bent portion in a boundary between the front portion and each of the side portions.

Claims

1. A vehicle windshield having an antenna comprising:

a front portion including a region for securing a field of view for a driver of a vehicle;

two side portions each extending along the side of the vehicle bending from the side of the front portion, the side portions being integrally formed with the front portion, respectively; and

at least one antenna element is provided at a bent portion in a boundary between the front portion and each of the side portions.

2. The vehicle windshield having an antenna according to claim 1, wherein the at least one antenna element is provided at each of two bent portions to implement a diversity reception.

3. The vehicle windshield having an antenna according to claim 1, wherein

the windshield is composed of a laminated structure consisting of two or more glass sheets and/or resin sheets laminated by a thermoplastic resin film, and

the antenna element is formed on the surface of the windshield faced to the inside of the vehicle.

4. The vehicle windshield having an antenna according to claim 1, wherein

the windshield is composed of a laminated structure consisting of two or more glass sheets and/or resin sheets laminated by a thermoplastic resin film, and

the antenna element is formed on the surface of the glass sheet or resin sheet contacted with the thermoplastic resin film, or in the thermoplastic resin film.

5. The vehicle windshield having an antenna according to claim 1 further comprising a shielding film provided at the bent portion in the boundary for covering the at least one antenna element.

6. The vehicle windshield having an antenna according to claim 1, wherein the antenna element consists of a printed line or wire line.

7. The vehicle windshield having an antenna according to any one of claims 1-6, wherein the at least one antenna element is selected from the group consisting of an AM antenna element, an FM antenna element, and a TV antenna element.