Key cylinder device for an automobile

摘要

The portion where the antenna wire is wound to the circular groove on the outer periphery of the bobbin of the core of the antenna coil is covered with an amplifier case base material and is molded integrally with the one side portion of the amplifier case attached to the key cylinder in such a state that the one side end portion of the core is exposed, and the exposed end portion of the core is fixed so as to make its end face roughly matched with the end face of the key cylinder.