| 摘要 |
PURPOSE:To select a radio station by using an output signal of an attitude detector of a case as a channel selection signal so as to vary the attitude of the case in various ways. CONSTITUTION:The attitude detector 2 consists of a spherical shell 3 having a small hole 3a at a proper position, a cone sphere 4 provided in the spherical shell 3 and a microswitch 5 whose actuator 5a is arranged around the spherical shell 3 so as to be projected from the small hole 3a into the sphere 3, and when a face of the case 1 is placed on a table or the like, the cone sphere 4 is moved by the gravity to push down only the actuator 5a of the microswitch 5 corresponding to the face of the case 1 and a contact 5b of the microswitch 5 is closed. The output signal of the attitude detector 2 is used as the channel selection signal. Since the attitude of the case is changed depending on the radio station desired to be received, the user can observe the design applied to each face independently of the front or rear face.
|
