JPS55138729A - Flash device - Google Patents
Flash deviceInfo
- Publication number
- JPS55138729A JPS55138729A JP4696479A JP4696479A JPS55138729A JP S55138729 A JPS55138729 A JP S55138729A JP 4696479 A JP4696479 A JP 4696479A JP 4696479 A JP4696479 A JP 4696479A JP S55138729 A JPS55138729 A JP S55138729A
- Authority
- JP
- Japan
- Prior art keywords
- trigger
- generated
- coil
- trigger pulse
- nearly simultaneously
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
PURPOSE:To surely operate the 1st and 2nd electric discharge tubes by so constituting the device that trigger pulses are applied nearly simultaneously to the 1st and 2nd discharge tubes. CONSTITUTION:When an electric power source switch 2 is turned ON, high voltage is generated in the secondary side coil 5c of a transformer 5, causing a neon tube 12 to light and charges to be charged in capacitors 16, 34 simultaneously. When a synchronizing switch 14 is turned ON in this state, a trigger pulse is generated on the high voltage side of a trigger coil 18, and an electric discharge tube 18 emits light 19. At the same instant when the trigger pulse is generated in the trigger coil 18 in this way, a trigger pulse is generated in a detecting coil 17 as well and the charges of the capacitor 34 are applied to a trigger transformer 35, by which a trigger pulse is generated, causing an electric discharge tube 36 to emit light nearly simultaneously with the discharge tube 19. Since in this way the device is so constituted that the trigger pulses are generated nearly simultaneously by the trigger coils 18, 35, the 1st and 2nd discharge tubes may be operated surely.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4696479A JPS55138729A (en) | 1979-04-17 | 1979-04-17 | Flash device |
CA000349398A CA1173100A (en) | 1979-04-17 | 1980-04-09 | Electric flash apparatus |
GB8011748A GB2050642B (en) | 1979-04-17 | 1980-04-09 | Electronic flash apparatus |
FR8008541A FR2454740A1 (en) | 1979-04-17 | 1980-04-16 | ELECTRONIC FLASHLIGHT APPARATUS |
US06/140,880 US4337416A (en) | 1979-04-17 | 1980-04-16 | Electric flash apparatus |
NL8002230A NL8002230A (en) | 1979-04-17 | 1980-04-16 | ELECTRIC FLASHING DEVICE. |
DE3014848A DE3014848C2 (en) | 1979-04-17 | 1980-04-17 | Electric flash |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4696479A JPS55138729A (en) | 1979-04-17 | 1979-04-17 | Flash device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55138729A true JPS55138729A (en) | 1980-10-29 |
Family
ID=12761949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4696479A Pending JPS55138729A (en) | 1979-04-17 | 1979-04-17 | Flash device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55138729A (en) |
-
1979
- 1979-04-17 JP JP4696479A patent/JPS55138729A/en active Pending
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