| 摘要 |
PROBLEM TO BE SOLVED: To provide a cylindrical guiding light device which automatically switches lamp colors through vibration. SOLUTION: This cylindrical guiding lamp device is provided with a red light emitting part, a green light emitting part and an emitting light color switching circuit 7. The emission light color switching circuit 7 has an emission light switching swing switch S2 and an emission light color switching switch S3. The red light emitting part is driven via a contact of one side of the emission light color switching swing switch S2 and the green light emitting part is driven via another contact of the emission light color switching swing switch S2. |
