Flash device

Abstract

Abstract PURPOSE:To prevent a pink-eye effect and a closed eye photograph, by providing 2 flash discharging tubes on a flash device, and shifting the timing of light emission. CONSTITUTION:When a synchro-switch S2 is turned on in a state that changeover switches S3, S4 are connected to the sides (b), (d), respectively, the first flash dischcarging tube Xe1 emits light, and also a timer R7 starts by a timer start signal generating circuit E. After this timer time T1, a thyristor SCR2 is turned on, an SCR1 is turned off, the discharging tube Xe1 stops its discharge, and also delay timers (R9, C5) start by a delay timer generating circuit G. After this timer time T2, a triggering circuit D is operated, the second discharging tube Xe2 starts its discharge, and after the time prescribed by photometric circuits (PTR, C6), a switching circuit J is turned on, and discharge tube Xe2 is stopped.

Inventors

• 👤 Shohei Otaki
• 👤 大滝　照平

Bibliographic Details