JPS61119141U - - Google Patents
Info
- Publication number
- JPS61119141U JPS61119141U JP262585U JP262585U JPS61119141U JP S61119141 U JPS61119141 U JP S61119141U JP 262585 U JP262585 U JP 262585U JP 262585 U JP262585 U JP 262585U JP S61119141 U JPS61119141 U JP S61119141U
- Authority
- JP
- Japan
- Prior art keywords
- switching circuit
- circuit
- switch
- contact
- anode
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Description
第１図は、本願考案による一実施例を示す回路
図、第２図イ乃至ハは、実施例に用いられるテス
ト発光用スイツチを含む複数の導電ゴムスイツチ
を示し、第２図イは平面図、第２図ロは第２図イ
のＡ―Ａ′での断面図、第２図ハは第２図イのＢ
―Ｂ′での断面図、第３図は第２図のスイツチが
電子閃光装置の本体に使用された状態を示す外観
図、第４図イは、電子閃光装置の内部での導電ゴ
ムスイツチの状態を示し、第４図ロはプリント配
線基板にプリント配線され、導電ゴムスイツチの
押圧により導通する配線パターンを示すパターン
図、第５図は、従来の電子閃光装置の回路図、第
６図は、本考案に先立つて考えられた電子閃光装
置の回路図である。
Ｔｅ２……シンクロ用接点、Ｄ２……ダイオー
ド、ＳＷ１……シンクロスイツチ、ＳＷ２……テ
スト発光用スイツチ手段、Ｅ１……電源電池、Ｔ
ｒ１，Ｒ１〜Ｒ４……スイツチング回路、ＳＣＲ
１，Ｒ５，Ｃ１，Ｔ１……トリガ回路、Ｃ２……
メインコンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIGS. 2A to 2C show a plurality of conductive rubber switches including a test light emission switch used in the embodiment, and FIG. 2A is a plan view; Figure 2B is a sectional view taken along A-A' in Figure 2A, and Figure 2C is B in Figure 2A.
- A sectional view at B', Figure 3 is an external view showing the switch in Figure 2 used in the main body of an electronic flash device, and Figure 4 A shows the state of the conductive rubber switch inside the electronic flash device. 4B is a pattern diagram showing a wiring pattern printed on a printed wiring board and made conductive by pressing a conductive rubber switch, FIG. 5 is a circuit diagram of a conventional electronic flash device, and FIG. It is a circuit diagram of an electronic flash device that was conceived prior to the invention. Te2... synchro contact, D2... diode, SW1... synchro switch, SW2... test flash switch means, E1... power supply battery, T
r1, R1-R4...Switching circuit, SCR
1, R5, C1, T1...Trigger circuit, C2...
main capacitor.
Claims (1)
ツチング回路と、このスイツチング回路とアース
間に接続され、上記スイツチング回路を起動する
ための耐圧が低く、インピーダンスの高いテスト
発光用スイツチと、カメラのシンクロ用接点に電
気接続される接点と、この接点にカソードが接続
され、アノードが、上記スイツチング回路とテス
ト発光用スイツチとの接続点に接続されるダイオ
ードと、メインコンデンサと昇圧回路に並列接続
され、上記スイツチング回路の起動により、閃光
管をトリガするトリガ回路からなる電子閃光装置
。 A power battery, a switching circuit powered by the power battery, a test flash switch with low withstand voltage and high impedance connected between this switching circuit and ground to start the switching circuit, and a switch for camera synchronization. A contact is electrically connected to the contact, a cathode is connected to this contact, an anode is connected in parallel to a diode connected to the connection point between the switching circuit and the test light-emitting switch, the main capacitor and the booster circuit, and the anode is connected in parallel to the main capacitor and the boost circuit. An electronic flash device consisting of a trigger circuit that triggers a flash tube by activation of a switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP262585U JPH0455310Y2 (en) | 1985-01-11 | 1985-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP262585U JPH0455310Y2 (en) | 1985-01-11 | 1985-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61119141U true JPS61119141U (en) | 1986-07-28 |
| JPH0455310Y2 JPH0455310Y2 (en) | 1992-12-25 |
Family
ID=30476476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP262585U Expired JPH0455310Y2 (en) | 1985-01-11 | 1985-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455310Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012093430A (en) * | 2010-10-25 | 2012-05-17 | Canon Inc | Imaging apparatus system |
-
1985
- 1985-01-11 JP JP262585U patent/JPH0455310Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012093430A (en) * | 2010-10-25 | 2012-05-17 | Canon Inc | Imaging apparatus system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455310Y2 (en) | 1992-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61119141U (en) | ||
| JPS6217085U (en) | ||
| JPS6360135U (en) | ||
| JPH0368399U (en) | ||
| JPS6111298U (en) | flashlight emitter | |
| JPS624735U (en) | ||
| JPS5838135U (en) | Strobe grip for camera photography | |
| JPS61162973U (en) | ||
| JPS59178626U (en) | Charging stop device for flash discharge light emitters | |
| JPH028862U (en) | ||
| JPS6332454U (en) | ||
| JPH03125639U (en) | ||
| JPH0388230U (en) | ||
| JPS629827U (en) | ||
| JPH0222565U (en) | ||
| JPH0415828U (en) | ||
| JPS6260011U (en) | ||
| JPS63106152U (en) | ||
| JPS6255178U (en) | ||
| JPS60170803U (en) | Control device equipped with a semiconductor control element powered by a battery | |
| JPS6422160U (en) | ||
| JPS62151689U (en) | ||
| JPS6054129U (en) | Electronic flash device with electric shock prevention device | |
| JPS63167759U (en) | ||
| JPS62116237U (en) |