JPS6237219Y2 - - Google Patents
Info
- Publication number
- JPS6237219Y2 JPS6237219Y2 JP1975096492U JP9649275U JPS6237219Y2 JP S6237219 Y2 JPS6237219 Y2 JP S6237219Y2 JP 1975096492 U JP1975096492 U JP 1975096492U JP 9649275 U JP9649275 U JP 9649275U JP S6237219 Y2 JPS6237219 Y2 JP S6237219Y2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- capacitor
- speedlight
- neon tube
- circuit
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
- H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Stroboscope Apparatuses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1975096492U JPS6237219Y2 (en]) | 1975-07-11 | 1975-07-11 | |
US05/702,453 US4099100A (en) | 1975-07-11 | 1976-07-06 | Neon tube flashing device |
DE19762631064 DE2631064A1 (de) | 1975-07-11 | 1976-07-09 | Einrichtung zur anzeige von betriebszustaenden |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1975096492U JPS6237219Y2 (en]) | 1975-07-11 | 1975-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5210318U JPS5210318U (en]) | 1977-01-25 |
JPS6237219Y2 true JPS6237219Y2 (en]) | 1987-09-22 |
Family
ID=14166570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1975096492U Expired JPS6237219Y2 (en]) | 1975-07-11 | 1975-07-11 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4099100A (en]) |
JP (1) | JPS6237219Y2 (en]) |
DE (1) | DE2631064A1 (en]) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54140531A (en) * | 1978-04-24 | 1979-10-31 | Olympus Optical Co Ltd | Strobo voltage confirming device |
JPS54154320A (en) * | 1978-05-25 | 1979-12-05 | Olympus Optical Co Ltd | Light tuning operation display circuit of automatic light tuning type strobe |
JPH0219794Y2 (en]) * | 1978-07-28 | 1990-05-31 | ||
JPS55166634A (en) * | 1979-06-15 | 1980-12-25 | Canon Inc | Dimming checker |
JPS57188679U (en]) * | 1981-05-27 | 1982-11-30 | ||
JPH028710U (en]) * | 1988-06-30 | 1990-01-19 | ||
US4929932A (en) * | 1989-04-24 | 1990-05-29 | Eastman Kodak Company | Solid state relay having visual contact monitor |
US20070127179A1 (en) * | 2005-12-05 | 2007-06-07 | Ludjin William R | Burnout protection switch |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4419394Y1 (en]) * | 1966-01-07 | 1969-08-20 | ||
US3648103A (en) * | 1970-04-06 | 1972-03-07 | Copal Co Ltd | Device for indicating interruption of electrical service |
JPS522619B2 (en]) * | 1972-05-30 | 1977-01-22 | ||
US3822393A (en) * | 1972-10-11 | 1974-07-02 | Berkey Photo Inc | Electronic strobe |
US3979639A (en) * | 1975-08-11 | 1976-09-07 | Honeywell Inc. | Correct exposure annunciator circuit |
US3993929A (en) * | 1975-12-19 | 1976-11-23 | Honeywell Inc. | Automatic correct exposure indicator |
-
1975
- 1975-07-11 JP JP1975096492U patent/JPS6237219Y2/ja not_active Expired
-
1976
- 1976-07-06 US US05/702,453 patent/US4099100A/en not_active Expired - Lifetime
- 1976-07-09 DE DE19762631064 patent/DE2631064A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US4099100A (en) | 1978-07-04 |
JPS5210318U (en]) | 1977-01-25 |
DE2631064A1 (de) | 1977-01-20 |
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