Patent ID: 11913985
Assignee: PHOENIX ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 6:
7. A distinguishing method for a discharge lamp, comprising:
performing a first action by turning on a discharge lamp switch while leaving an ultraviolet light source switch turned off, the discharge lamp switch conducting and blocking an electric power supplied for lighting a discharge lamp from a discharge lamp power supply, the ultraviolet light source switch conducting and blocking an electric power supplied for lighting an ultraviolet light source from an ultraviolet light source power supply;, performing a second action by turning on the ultraviolet light source switch and then turning on the discharge lamp switch while leaving the ultraviolet light source switch turned on; and
determining either that the discharge lamp is not a genuine product when the discharge lamp has been lit by turning on the discharge lamp switch in both of the first and second actions or that the discharge lamp is a genuine product when the discharge lamp has been lit by turning on the discharge lamp switch only in the second action.