| 摘要 |
PROBLEM TO BE SOLVED: To provide an endoscope system capable of executing an illumination by stable and sufficient pulsed light emission in the endoscope system transmitting an imaging signal superimposed on a power supply voltage. SOLUTION: When a light emitting device of an illumination section 3 is actuated according to a control signal from an imaging section 2, a change in a driving current of the light emitting device is detected by an illumination driving state detection section 4. A driving state signal superimposition section 5 superimposes the illumination driving state signal from the illumination driving state detection section 4 on the imaging signal from the imaging section 2. A power supply superimposition section 6 imposes the superimposition signal from the driving state signal superimposition section 5 on the power supply voltage and transmits it to an external device 8 via a transmission section 7. The illumination driving state signal separated by a power supply separation section 9 and a driving state signal separation section of the external device 8 is input in a voltage adjustment section 11. The voltage adjustment section 11 adjusts a power supply voltage generated by the power supply section 12 according to the illumination driving state signal. COPYRIGHT: (C)2009,JPO&INPIT
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