ANTENNA DEVICE, ANTENNA DEVICE-EQUIPPED WINDOW GLASS, AND ANTENNA SYSTEM

• Main Authors: YAMAMOTO GOSHI, SAIDA EIJI, KITADE SOTARO, TABATA KOJI, HASEGAWA NOBORU
• Format: Patent
• Language: English; Japanese
• Published: 25.06.2020
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; ELECTRICITY; PERFORMING OPERATIONS; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES; TRANSPORTING; VEHICLES IN GENERAL; WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES

To make it easy to secure a space to install a housing in which an amplifier is mounted.SOLUTION: An antenna device includes a glass antenna for a window glass of a vehicle, and a housing connected to the glass antenna, the glass antenna includes a first electrode for power supply, a second electrode for power supply, a third electrode for the ground, a first antenna connected to the first electrode, and a second antenna connected to the second electrode, and the housing includes a first terminal for power supply connected to the first electrode, a second terminal for power supply connected to the second electrode, a third terminal for grounding connected to the third electrode, a first amplifier connected to the first terminal and the third terminal, and a second amplifier connected to the second terminal and the third terminal, the first antenna includes a substantially F-shaped element having two elements extending in a horizontal direction, and the second antenna includes a substantially F-shaped element having two elements extending in the horizontal direction.SELECTED DRAWING: Figure 2 【課題】アンプを搭載する筐体を設置するスペースの確保を容易にすること。【解決手段】車両の窓ガラス用のガラスアンテナと、ガラスアンテナに接続される筐体とを備え、ガラスアンテナは、給電用の第１の電極と、給電用の第２の電極と、アース用の第３の電極と、第１の電極に接続される第１のアンテナと、第２の電極に接続される第２のアンテナとを有し、筐体は、第１の電極に接続される給電用の第１の端子と、第２の電極に接続される給電用の第２の端子と、第３の電極に接続されるアース用の第３の端子と、第１の端子及び第３の端子に接続される第１のアンプと、第２の端子及び第３の端子に接続される第２のアンプとを有し、第１のアンテナは、水平方向に延伸する２本のエレメントを有する略Ｆ字状のエレメントを含み、第２のアンテナは、水平方向に延伸する２本のエレメントを有する略Ｆ字状のエレメントを含む、アンテナ装置。【選択図】図２