JPS50139731A - - Google Patents
Info
- Publication number
- JPS50139731A JPS50139731A JP50043872A JP4387275A JPS50139731A JP S50139731 A JPS50139731 A JP S50139731A JP 50043872 A JP50043872 A JP 50043872A JP 4387275 A JP4387275 A JP 4387275A JP S50139731 A JPS50139731 A JP S50139731A
- Authority
- JP
- Japan
- 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
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
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2417673A DE2417673A1 (de) | 1974-04-11 | 1974-04-11 | Blitzlichtanordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS50139731A true JPS50139731A (ja) | 1975-11-08 |
Family
ID=5912748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50043872A Pending JPS50139731A (ja) | 1974-04-11 | 1975-04-10 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3980923A (ja) |
JP (1) | JPS50139731A (ja) |
DE (1) | DE2417673A1 (ja) |
GB (1) | GB1479391A (ja) |
HK (1) | HK4880A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397821A (en) * | 1977-01-24 | 1978-08-26 | West Electric Co | Flash camera combined with electrooflashing device for increasing lamps |
JPS53116150A (en) * | 1977-03-18 | 1978-10-11 | West Electric Co | Electrooflashing device for increasing lamps |
JPS53130020A (en) * | 1977-04-20 | 1978-11-13 | Konishiroku Photo Ind Co Ltd | Wireless flash light emitting controlling method of multilamp type stobe |
JPS53145840U (ja) * | 1977-12-14 | 1978-11-16 | ||
JPS5477131A (en) * | 1977-12-01 | 1979-06-20 | West Electric Co | Automatic dimmer electronic flashing device |
JPS56104723U (ja) * | 1980-12-17 | 1981-08-15 | ||
JPS57102343U (ja) * | 1980-12-12 | 1982-06-23 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2608652C2 (de) * | 1976-03-03 | 1983-08-25 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung für lichtmengengesteuerte Elektronenblitzgeräte |
US4246513A (en) * | 1978-01-26 | 1981-01-20 | Eastman Kodak Company | Flash lamp discharge using radiant energy |
GB2050642B (en) * | 1979-04-17 | 1983-09-07 | Fuji Koeki Corp | Electronic flash apparatus |
JPS564132A (en) * | 1979-06-22 | 1981-01-17 | Yoshiyuki Takematsu | Flash device |
US4384238A (en) * | 1979-12-10 | 1983-05-17 | Eastman Kodak Company | Electronic strobe flash apparatus for indirect and direct flash |
JPS56113121A (en) * | 1980-02-13 | 1981-09-05 | Olympus Optical Co Ltd | Multilamp control stroboscopic device |
JPS57118230A (en) * | 1980-07-24 | 1982-07-23 | Fuji Koeki Kk | Flash device |
US4457602A (en) * | 1981-04-20 | 1984-07-03 | Olympus Optical Company Ltd. | Multiple light emission control system utilizing electronic flashes |
JPS59180530A (ja) * | 1983-03-31 | 1984-10-13 | Nippon Kogaku Kk <Nikon> | 2灯自動調光閃光装置 |
GB8331648D0 (en) * | 1983-11-26 | 1984-01-04 | Evans W A B | Improved flash control in photography |
JP4727838B2 (ja) * | 2001-04-13 | 2011-07-20 | 良行 竹松 | デジタルカメラ用外付けストロボの光量制御方法及び装置 |
MD496Z (ro) * | 2011-03-24 | 2012-10-31 | Лев ГОРДЕЕВ | Procedeu de asigurare automată a iluminării optime a obiectului fotografiat |
JP6416915B2 (ja) | 2014-01-08 | 2018-10-31 | フィリップス ライティング ホールディング ビー ヴィ | 検出された照明の変化に基づいて照明を制御するための方法及び機器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2010647A1 (de) * | 1968-02-13 | 1970-09-24 | Lumina s.p.r.l., Brüssel | Vorrichtung für Elektronenblitzgeräte, Stroboskope, Lasers und dergl. mit einem Kondensator und mit einer Nutzlast, über die der Kondensator entladbar ist |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3156827A (en) * | 1961-07-06 | 1964-11-10 | Emmett E Porteous | Photosensitive transistor circuit for slave flash unit |
US3288044A (en) * | 1964-08-05 | 1966-11-29 | Graflex Inc | System for triggering flashlamp |
US3714443A (en) * | 1971-01-22 | 1973-01-30 | Honeywell Inc | Remotely controlled light sensing apparatus |
DE2131057B2 (de) * | 1971-06-23 | 1973-10-18 | Braun Ag, 6000 Frankfurt | Schaltsichere Lichtmengensteuerung in einem Elektronenblitzgerät |
-
1974
- 1974-04-11 DE DE2417673A patent/DE2417673A1/de not_active Ceased
-
1975
- 1975-04-08 GB GB14345/75A patent/GB1479391A/en not_active Expired
- 1975-04-10 US US05/566,682 patent/US3980923A/en not_active Expired - Lifetime
- 1975-04-10 JP JP50043872A patent/JPS50139731A/ja active Pending
-
1980
- 1980-02-07 HK HK48/80A patent/HK4880A/xx unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2010647A1 (de) * | 1968-02-13 | 1970-09-24 | Lumina s.p.r.l., Brüssel | Vorrichtung für Elektronenblitzgeräte, Stroboskope, Lasers und dergl. mit einem Kondensator und mit einer Nutzlast, über die der Kondensator entladbar ist |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397821A (en) * | 1977-01-24 | 1978-08-26 | West Electric Co | Flash camera combined with electrooflashing device for increasing lamps |
JPS53116150A (en) * | 1977-03-18 | 1978-10-11 | West Electric Co | Electrooflashing device for increasing lamps |
JPS53130020A (en) * | 1977-04-20 | 1978-11-13 | Konishiroku Photo Ind Co Ltd | Wireless flash light emitting controlling method of multilamp type stobe |
JPS5477131A (en) * | 1977-12-01 | 1979-06-20 | West Electric Co | Automatic dimmer electronic flashing device |
JPS53145840U (ja) * | 1977-12-14 | 1978-11-16 | ||
JPS57102343U (ja) * | 1980-12-12 | 1982-06-23 | ||
JPS56104723U (ja) * | 1980-12-17 | 1981-08-15 | ||
JPS6136986Y2 (ja) * | 1980-12-17 | 1986-10-27 |
Also Published As
Publication number | Publication date |
---|---|
HK4880A (en) | 1980-02-15 |
GB1479391A (en) | 1977-07-13 |
US3980923A (en) | 1976-09-14 |
DE2417673A1 (de) | 1975-10-30 |