| 摘要 |
A complex type of the present invention comprises: a encoding disc (21) formed with a plurality of slots (22) and formed with a reference slot (26); a light emitting portion which includes a first light emitting element (32), a second light emitting element (34), and a third light emitting element (36) and which is disposed on one side of the coding disc (21); a light receiving portion including a first light receiving element (A), a second light receiving element (B), and a third light receiving element (C); a fixing slot plate which includes a first fixed slots (42), a second fixed slots (44), and a third securing slot (46) and which is positioned between the encoding disk (21) and the light receiving portion; a control portion (50) for determining a rotational position of the encoding disc (21); and a power unit (60) for supplying power to the light emitting portion and the light receiving portion. |
