IT959477B - Apparecchio elettronico a tubo lam peggiatore con comando automatico della quantita di luce - Google Patents
Apparecchio elettronico a tubo lam peggiatore con comando automatico della quantita di luceInfo
- Publication number
- IT959477B IT959477B IT9551/72A IT955172A IT959477B IT 959477 B IT959477 B IT 959477B IT 9551/72 A IT9551/72 A IT 9551/72A IT 955172 A IT955172 A IT 955172A IT 959477 B IT959477 B IT 959477B
- Authority
- IT
- Italy
- Prior art keywords
- peggiatore
- lam
- light
- automatic control
- electronic tube
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2131057A DE2131057B2 (de) | 1971-06-23 | 1971-06-23 | Schaltsichere Lichtmengensteuerung in einem Elektronenblitzgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
IT959477B true IT959477B (it) | 1973-11-10 |
Family
ID=5811514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT9551/72A IT959477B (it) | 1971-06-23 | 1972-06-19 | Apparecchio elettronico a tubo lam peggiatore con comando automatico della quantita di luce |
Country Status (13)
Country | Link |
---|---|
US (1) | US3809954A (it) |
AT (1) | AT324834B (it) |
BE (1) | BE785101A (it) |
CA (1) | CA1008917A (it) |
CH (1) | CH553994A (it) |
DD (1) | DD99862A5 (it) |
DE (1) | DE2131057B2 (it) |
ES (1) | ES404013A1 (it) |
FR (1) | FR2143076B1 (it) |
GB (1) | GB1376252A (it) |
IT (1) | IT959477B (it) |
NL (1) | NL7208351A (it) |
SE (1) | SE384965B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2316724A1 (de) * | 1973-04-04 | 1974-10-17 | Rollei Werke Franke Heidecke | Steuerschaltung fuer elektronenblitzgeraete |
JPS506635U (it) * | 1973-05-17 | 1975-01-23 | ||
DE2417673A1 (de) * | 1974-04-11 | 1975-10-30 | Rollei Werke Franke Heidecke | Blitzlichtanordnung |
US3919594A (en) * | 1974-06-18 | 1975-11-11 | Braun Ag | Computer flash apparatus with series-connected control switches |
US3969737A (en) * | 1974-08-01 | 1976-07-13 | Eastman Kodak Company | Electronic flash unit for cameras adapted to receive flashbulbs |
DE2445667C3 (de) * | 1974-09-25 | 1981-12-10 | Braun Ag, 6000 Frankfurt | Schaltungsanordnung zum Zünden einer elektronischen Blitzröhre |
US4091398A (en) * | 1975-01-31 | 1978-05-23 | Nippon Kogaku K.K. | Electronic photoflash unit having remote control device transmitter function |
JPS5196321A (en) * | 1975-02-21 | 1976-08-24 | Supiidoraitono torigaakairo | |
US3976914A (en) * | 1975-05-27 | 1976-08-24 | Honeywell Inc. | Series SCR gate hold-on circuit |
US3974419A (en) * | 1975-05-27 | 1976-08-10 | Honeywell Inc. | Electronic flash apparatus with inhibition of contact bounce false triggering |
US3976915A (en) * | 1975-05-27 | 1976-08-24 | Honeywell Inc. | Gate protection circuit for electronic flash apparatus |
US3993928A (en) * | 1975-12-19 | 1976-11-23 | Honeywell Inc. | Extended range correct exposure annunciator |
DE2625845C3 (de) * | 1976-06-09 | 1978-11-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Zündschaltung für Quenchröhren in elektronischen Blitzgeräten |
JPS52156618A (en) * | 1976-06-23 | 1977-12-27 | Nippon Chemical Ind | Flash camera controller |
US4132923A (en) * | 1976-07-01 | 1979-01-02 | Braun Aktiengesellschaft | Circuit for light-integrator-controlled electronic flash unit |
JPS5421070A (en) * | 1977-07-18 | 1979-02-16 | West Electric Co | Electronic flashing device |
JPS5533152A (en) * | 1978-08-30 | 1980-03-08 | Minolta Camera Co Ltd | Shutter control system of electric shutter camera |
JPS55134823A (en) * | 1979-04-06 | 1980-10-21 | Olympus Optical Co Ltd | Strobe light emission control system |
JPS5645826U (it) * | 1979-09-11 | 1981-04-24 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3646865A (en) * | 1969-11-07 | 1972-03-07 | Polaroid Corp | Electronic flashlamp control network |
-
1971
- 1971-06-23 DE DE2131057A patent/DE2131057B2/de not_active Ceased
-
1972
- 1972-06-15 US US00262972A patent/US3809954A/en not_active Expired - Lifetime
- 1972-06-19 FR FR7222046A patent/FR2143076B1/fr not_active Expired
- 1972-06-19 GB GB2858372A patent/GB1376252A/en not_active Expired
- 1972-06-19 NL NL7208351A patent/NL7208351A/xx not_active Application Discontinuation
- 1972-06-19 IT IT9551/72A patent/IT959477B/it active
- 1972-06-19 CH CH914572A patent/CH553994A/xx not_active IP Right Cessation
- 1972-06-19 DD DD163810A patent/DD99862A5/xx unknown
- 1972-06-19 SE SE7208048A patent/SE384965B/xx unknown
- 1972-06-19 BE BE785101A patent/BE785101A/xx unknown
- 1972-06-19 ES ES404013A patent/ES404013A1/es not_active Expired
- 1972-06-19 CA CA145,040A patent/CA1008917A/en not_active Expired
- 1972-06-19 AT AT528072A patent/AT324834B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1008917A (en) | 1977-04-19 |
FR2143076A1 (it) | 1973-02-02 |
AT324834B (de) | 1975-09-25 |
DE2131057A1 (de) | 1972-12-28 |
CH553994A (de) | 1974-09-13 |
NL7208351A (it) | 1972-12-28 |
BE785101A (fr) | 1972-10-16 |
FR2143076B1 (it) | 1977-12-23 |
SE384965B (sv) | 1976-05-24 |
ES404013A1 (es) | 1975-05-01 |
DD99862A5 (it) | 1973-08-20 |
GB1376252A (en) | 1974-12-04 |
US3809954A (en) | 1974-05-07 |
DE2131057B2 (de) | 1973-10-18 |
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