DE3020133A1 - Elektronisches blitzgeraet - Google Patents
Elektronisches blitzgeraetInfo
- Publication number
- DE3020133A1 DE3020133A1 DE19803020133 DE3020133A DE3020133A1 DE 3020133 A1 DE3020133 A1 DE 3020133A1 DE 19803020133 DE19803020133 DE 19803020133 DE 3020133 A DE3020133 A DE 3020133A DE 3020133 A1 DE3020133 A1 DE 3020133A1
- Authority
- DE
- Germany
- Prior art keywords
- capacitor
- voltage source
- switch
- flash
- low
- 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 127
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000004904 shortening Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
- H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light
-
- 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)
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6648279A JPS55157732A (en) | 1979-05-29 | 1979-05-29 | Electronic flash device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3020133A1 true DE3020133A1 (de) | 1980-12-04 |
| DE3020133C2 DE3020133C2 (US07534539-20090519-C00280.png) | 1987-03-19 |
Family
ID=13317039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803020133 Granted DE3020133A1 (de) | 1979-05-29 | 1980-05-27 | Elektronisches blitzgeraet |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4310785A (US07534539-20090519-C00280.png) |
| JP (1) | JPS55157732A (US07534539-20090519-C00280.png) |
| DE (1) | DE3020133A1 (US07534539-20090519-C00280.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997048165A1 (en) * | 1996-06-14 | 1997-12-18 | Philips Electronics N.V. | Accumulator device for an electrical and/or electronic apparatus and telecommunication terminal comprising such a device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864340A (en) * | 1986-12-15 | 1989-09-05 | Canon Kabushiki Kaisha | Remote control device having an energy source charged by a camera |
| US6009281A (en) * | 1987-07-10 | 1999-12-28 | Minolta Co., Ltd. | Flash device |
| JPS6417033A (en) * | 1987-07-10 | 1989-01-20 | Minolta Camera Kk | Automatic dimming system flash device |
| JPH01123843U (US07534539-20090519-C00280.png) * | 1988-02-13 | 1989-08-23 | ||
| US5347200A (en) * | 1993-02-26 | 1994-09-13 | Multi Electric Mfg. Inc. | Strobe light switching arrangement with reduced transient currents |
| EP1268335B1 (de) * | 2000-03-31 | 2008-11-19 | Inventio Ag | Einrichtung und verfahren zur reduzierung der netzanschlussleistung von aufzugsanlagen |
| US9441799B2 (en) * | 2014-02-18 | 2016-09-13 | Andrew J. Miller | Electronic circuits to extend battery life time |
| WO2020033597A1 (en) * | 2018-08-07 | 2020-02-13 | Battery Savers Inc. | Method and system to boost battery voltage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2877385A (en) * | 1957-08-21 | 1959-03-10 | Honeywell Regulator Co | Electric system |
| US4039898A (en) * | 1972-10-13 | 1977-08-02 | West Electric Company, Ltd. | Electronic flash apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256994A (en) * | 1978-10-07 | 1981-03-17 | Canon Kabushiki Kaisha | Actuating circuit for light measuring circuit in electronic flash device |
-
1979
- 1979-05-29 JP JP6648279A patent/JPS55157732A/ja active Granted
-
1980
- 1980-05-15 US US06/149,986 patent/US4310785A/en not_active Expired - Lifetime
- 1980-05-27 DE DE19803020133 patent/DE3020133A1/de active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2877385A (en) * | 1957-08-21 | 1959-03-10 | Honeywell Regulator Co | Electric system |
| US4039898A (en) * | 1972-10-13 | 1977-08-02 | West Electric Company, Ltd. | Electronic flash apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997048165A1 (en) * | 1996-06-14 | 1997-12-18 | Philips Electronics N.V. | Accumulator device for an electrical and/or electronic apparatus and telecommunication terminal comprising such a device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55157732A (en) | 1980-12-08 |
| JPH02686B2 (US07534539-20090519-C00280.png) | 1990-01-09 |
| DE3020133C2 (US07534539-20090519-C00280.png) | 1987-03-19 |
| US4310785A (en) | 1982-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8125 | Change of the main classification | ||
| 8126 | Change of the secondary classification | ||
| 8128 | New person/name/address of the agent |
Representative=s name: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DI |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licences declared (paragraph 23) |