JPH0280998U - - Google Patents
Info
- Publication number
- JPH0280998U JPH0280998U JP16058688U JP16058688U JPH0280998U JP H0280998 U JPH0280998 U JP H0280998U JP 16058688 U JP16058688 U JP 16058688U JP 16058688 U JP16058688 U JP 16058688U JP H0280998 U JPH0280998 U JP H0280998U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- thyristor
- power supply
- resistor
- parallel
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Description
第１図はコンデンサ分割方式に係るストロボ装
置の電源回路の概略回路図、第２図はこの考案に
係る電源回路の一例を示す回路図、第３図はその
従来回路図である。
１０……充電回路、２０……放電回路、２１…
…サイリスタ、２５……閃光放電管、３０……付
加回路、３１……サイリスタ、３５……電子回路
。
FIG. 1 is a schematic circuit diagram of a power supply circuit of a strobe device based on the capacitor division method, FIG. 2 is a circuit diagram showing an example of the power supply circuit according to this invention, and FIG. 3 is a conventional circuit diagram thereof. 10...Charging circuit, 20...Discharging circuit, 21...
...Thyristor, 25...Flash discharge tube, 30...Additional circuit, 31...Thyristor, 35...Electronic circuit.
Claims (1)
作動する複数のメインコンデンサのそれぞれが並
列的に閃光放電管に接続された状態で閃光発光す
る放電回路２０とを有するストロボ装置の電源回
路において、 前記充電回路１０と放電回路２０との間に、放
電回路のオンのときにオフとなるサイリスタを設
けるとともに該サイリスタのアノード、カソード
間に前記閃光放電管の抵抗値の数十倍の抵抗値を
有する抵抗を並列に接続した付加回路３０を設け
たことを特徴とするストロボ装置における電源回
路。[Claims for Utility Model Registration] A charging circuit 10, a discharge circuit 20 that emits flash light in a state where each of a plurality of main capacitors that selectively operate according to a set amount of light is connected to a flash discharge tube in parallel; In the power supply circuit for a strobe device, a thyristor that is turned off when the discharge circuit is on is provided between the charging circuit 10 and the discharging circuit 20, and a resistor of the flash discharge tube is provided between the anode and cathode of the thyristor. 1. A power supply circuit for a strobe device, characterized in that an additional circuit 30 is provided in which a resistor having a resistance value several tens of times larger than the current value is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16058688U JPH0280998U (en) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16058688U JPH0280998U (en) | 1988-12-09 | 1988-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280998U true JPH0280998U (en) | 1990-06-21 |
Family
ID=31442780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16058688U Pending JPH0280998U (en) | 1988-12-09 | 1988-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280998U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918529B1 (en) * | 1970-05-11 | 1974-05-10 | ||
| JPS49102334A (en) * | 1973-01-31 | 1974-09-27 | ||
| JPS57195229A (en) * | 1981-05-27 | 1982-11-30 | Canon Inc | Power-saving type electronic flash device |
-
1988
- 1988-12-09 JP JP16058688U patent/JPH0280998U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918529B1 (en) * | 1970-05-11 | 1974-05-10 | ||
| JPS49102334A (en) * | 1973-01-31 | 1974-09-27 | ||
| JPS57195229A (en) * | 1981-05-27 | 1982-11-30 | Canon Inc | Power-saving type electronic flash device |
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