CA1053320A - Trigger device for an electronic flash unit - Google Patents
Trigger device for an electronic flash unitInfo
- Publication number
- CA1053320A CA1053320A CA233,025A CA233025A CA1053320A CA 1053320 A CA1053320 A CA 1053320A CA 233025 A CA233025 A CA 233025A CA 1053320 A CA1053320 A CA 1053320A
- Authority
- CA
- Canada
- Prior art keywords
- gas
- electrical
- flashtube
- state
- trigger
- 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
- 239000013078 crystal Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 12
- 230000003534 oscillatory effect Effects 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000006872 improvement Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 30
- 238000010304 firing Methods 0.000 abstract description 23
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 16
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- SILSDTWXNBZOGF-KUZBFYBWSA-N chembl111058 Chemical compound CCSC(C)CC1CC(O)=C(\C(CC)=N\OC\C=C\Cl)C(=O)C1 SILSDTWXNBZOGF-KUZBFYBWSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
-
- 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
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0452—Electrical ignition means connected to the shutter
- G03B15/0463—Piezoelectric ignition mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50268674A | 1974-09-03 | 1974-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1053320A true CA1053320A (en) | 1979-04-24 |
Family
ID=23998921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA233,025A Expired CA1053320A (en) | 1974-09-03 | 1975-08-07 | Trigger device for an electronic flash unit |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5413777B2 (enExample) |
| CA (1) | CA1053320A (enExample) |
| DE (1) | DE2539032C3 (enExample) |
| FR (1) | FR2284135A1 (enExample) |
| GB (1) | GB1524201A (enExample) |
| HK (1) | HK41580A (enExample) |
| MY (1) | MY8100139A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530550A (en) * | 1982-09-13 | 1985-07-23 | Olympus Optical Company Ltd. | Power supply unit for electronic flash |
| US7049760B2 (en) * | 2004-07-23 | 2006-05-23 | Eastman Kodak Company | Camera flash circuit using a piezoelectric transformer to trigger firing of the camera flash tube |
| DE102014105300A1 (de) | 2014-03-12 | 2015-09-17 | Von Ardenne Gmbh | Prozessieranordnung und Verfahren zum Betreiben einer Prozessieranordnung |
| CN115264527B (zh) * | 2022-07-27 | 2024-04-09 | 南京理工大学 | 一种便携式的光致点火装置 |
-
1975
- 1975-08-07 CA CA233,025A patent/CA1053320A/en not_active Expired
- 1975-08-28 FR FR7526504A patent/FR2284135A1/fr active Granted
- 1975-09-02 JP JP10646575A patent/JPS5413777B2/ja not_active Expired
- 1975-09-02 DE DE2539032A patent/DE2539032C3/de not_active Expired
- 1975-09-03 GB GB36307/75A patent/GB1524201A/en not_active Expired
-
1980
- 1980-08-07 HK HK415/80A patent/HK41580A/xx unknown
-
1981
- 1981-12-30 MY MY139/81A patent/MY8100139A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY8100139A (en) | 1981-12-31 |
| JPS5152822A (enExample) | 1976-05-10 |
| JPS5413777B2 (enExample) | 1979-06-02 |
| DE2539032B2 (de) | 1977-12-08 |
| DE2539032C3 (de) | 1978-07-20 |
| HK41580A (en) | 1980-08-15 |
| GB1524201A (en) | 1978-09-06 |
| FR2284135B1 (enExample) | 1978-04-07 |
| DE2539032A1 (de) | 1976-03-11 |
| FR2284135A1 (fr) | 1976-04-02 |
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