ES402014A1 - Electronic flash unit - Google Patents
Electronic flash unitInfo
- Publication number
- ES402014A1 ES402014A1 ES402014A ES402014A ES402014A1 ES 402014 A1 ES402014 A1 ES 402014A1 ES 402014 A ES402014 A ES 402014A ES 402014 A ES402014 A ES 402014A ES 402014 A1 ES402014 A1 ES 402014A1
- Authority
- ES
- Spain
- Prior art keywords
- supply voltage
- flash
- electronic flash
- discharge circuit
- flash unit
- 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
-
- 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
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
Electronic flash characterized in that it includes a gas-charged flash lamp connected to a supply voltage, preferably an accumulator capacitor, being equipped with an ignition electrode to cause a flash and which includes a photoelectric receiver that drives the light it reflects the object, an integrating element for the integration, at least approximately, of the light current as well as means for supplying the discharge circuit of the lamp with an opposite current or voltage; at the supply voltage, it comprises in the discharge circuit, in series with the flash lamp, a conductive diode for the supply voltage. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712120773 DE2120773A1 (en) | 1971-04-28 | 1971-04-28 | Electronic flash unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES402014A1 true ES402014A1 (en) | 1975-03-01 |
Family
ID=5806174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES402014A Expired ES402014A1 (en) | 1971-04-28 | 1972-04-22 | Electronic flash unit |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA945621A (en) |
| DE (1) | DE2120773A1 (en) |
| ES (1) | ES402014A1 (en) |
| FR (1) | FR2136831A5 (en) |
| GB (1) | GB1331562A (en) |
| IT (1) | IT953805B (en) |
| NL (1) | NL7205516A (en) |
-
1971
- 1971-04-19 GB GB1841172A patent/GB1331562A/en not_active Expired
- 1971-04-28 DE DE19712120773 patent/DE2120773A1/en active Pending
-
1972
- 1972-04-22 ES ES402014A patent/ES402014A1/en not_active Expired
- 1972-04-24 NL NL7205516A patent/NL7205516A/xx unknown
- 1972-04-27 CA CA140,749A patent/CA945621A/en not_active Expired
- 1972-04-27 IT IT2360172A patent/IT953805B/en active
- 1972-04-27 FR FR7215786A patent/FR2136831A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2120773A1 (en) | 1972-11-09 |
| CA945621A (en) | 1974-04-16 |
| NL7205516A (en) | 1972-10-31 |
| GB1331562A (en) | 1973-09-26 |
| IT953805B (en) | 1973-08-10 |
| FR2136831A5 (en) | 1972-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES414478A1 (en) | Arrangement for igniting and supplying a discharge lamp | |
| GB1285206A (en) | Improvements in or relating to the electronic ignition of gas discharge tubes | |
| ES402014A1 (en) | Electronic flash unit | |
| ES453250A1 (en) | Electronic charge indicator for a battery | |
| JPS52147428A (en) | Control device for flash discharge lamp | |
| ES411493A1 (en) | Method and arrangement for initiating a flash in an electronic flash unit having automatic exposure control | |
| JPS51117623A (en) | Dimmer electronic light quantity insufficiency warning unit | |
| ES375916A1 (en) | Improvements in the electronic provisions for discharge lamps. (Machine-translation by Google Translate, not legally binding) | |
| ES422701A1 (en) | Improvements in an electrical ignition device. (Machine-translation by Google Translate, not legally binding) | |
| ES219356U (en) | Electronic light controller. (Machine-translation by Google Translate, not legally binding) | |
| ES459029A1 (en) | A switching system for the ignition of gas lamps, discharge and filaments at different tensions. (Machine-translation by Google Translate, not legally binding) | |
| ES178131U (en) | Perceptor circuit for an electric light. (Machine-translation by Google Translate, not legally binding) | |
| ES400990A1 (en) | Improvements in the bipolar electronic starters for the cebing of discharge lamps. (Machine-translation by Google Translate, not legally binding) | |
| GB913672A (en) | Pulsed operation of discharge lamp | |
| ES317649A1 (en) | A film projector apparatus. (Machine-translation by Google Translate, not legally binding) | |
| ES411596A2 (en) | Improvements in the bipolar electronic starters for the priming of fluorescent lamps. (Machine-translation by Google Translate, not legally binding) | |
| JPS5374764A (en) | Control circuit for starter of discharge lamp | |
| ES299601A1 (en) | Intermittent signal (Machine-translation by Google Translate, not legally binding) | |
| ES189940U (en) | Block for emergency lighting. (Machine-translation by Google Translate, not legally binding) | |
| GB1211706A (en) | Discharge-lamp starting circuit | |
| ES159480U (en) | High frequency and high voltage device for lighting of high pressure sodium lamps. (Machine-translation by Google Translate, not legally binding) | |
| GB889627A (en) | Photographic electronic flash unit | |
| ES409862A1 (en) | A provision to light up and feed a discharge lamp in gas and/or steam. (Machine-translation by Google Translate, not legally binding) | |
| ES115954U (en) | A light of ultraviolet radiations. (Machine-translation by Google Translate, not legally binding) | |
| ES130350U (en) | Module for the individual grouping of electronic circuits. (Machine-translation by Google Translate, not legally binding) |