GB900324A - Electric-discharge system - Google Patents
Electric-discharge systemInfo
- Publication number
- GB900324A GB900324A GB28431/60A GB2843160A GB900324A GB 900324 A GB900324 A GB 900324A GB 28431/60 A GB28431/60 A GB 28431/60A GB 2843160 A GB2843160 A GB 2843160A GB 900324 A GB900324 A GB 900324A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- tube
- capacitors
- winding
- control winding
- 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
- 239000003990 capacitor Substances 0.000 abstract 8
- 238000004804 winding Methods 0.000 abstract 7
- 230000015556 catabolic process Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 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
-
- 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
- H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
Landscapes
- Stroboscope Apparatuses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
900,324. Charging and discharging capacitors. EDGERTON, GERMESHAUSEN & GRIER Inc. Aug. 16, 1960 [Sept. 17, 1959], No. 28431/60. Class 38 (4). A circuit for producing flashes of light in a discharge tube 3 comprises a series-connected capacitor bank C1, C7 charged from an A.C. source ABC through a self-excited parallel transductor T1, transformer P1-P3, S1-S3, bridge-connected rectifiers CR9-CR14 and conductors B+, B-. The tube 3 is triggered by another tube 9. By grounding an auxiliary electrode 10 through a switch 5 a capacitor C14 discharges through a primary winding L1, thus a pulse of, say, 15 k.v. is applied to a trigger electrode 4, which together with an additional potential from another secondary winding L3 causes the capacitors 1, 7 to discharge through the tube 3. The capacitor bank voltage is regulated by a circuit comprising a rectifier CR1 such as a Zener diode, a control winding C5 and a potentiometer connected across the capacitor C7, so that when the breakdown voltage of CR1 is exceeded the transductor impedance increases. The time constant of another control winding C4 together with a CR combination C13, R5 connected across capacitors C7 and shown in heavy lines delays the return of the circuit to the normal changing condition for a sufficient time to prevent after burning in the tube 3. The control winding C4 also limits the changing current to a desired rate by being supplied with a voltage from a resistor 16 through a rectifier CR27 and a resistor R17. The charging current is reduced by a switch 5<SP>11</SP> unshunting another resistor R15. If the voltage across capacitors C1 increases above a determined fraction of the bank voltage, a third control winding C3 will reduce the output voltage of the rectifiers CR9-14, a rectifier CR2 preventing a reversal of current in this winding, excessive voltages causing neon tubes V 3 -V 10 to flash over, rapidly reducing the voltage. U.S.A. Specifications 2,478,901, 2,478,902, 2,478,903, 2,478,904, 2,478,905, 2,478,906, 2,478,907, 2,722,629 and 2,756,365 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US840591A US2977509A (en) | 1959-09-17 | 1959-09-17 | Electric-discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB900324A true GB900324A (en) | 1962-07-04 |
Family
ID=25282753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28431/60A Expired GB900324A (en) | 1959-09-17 | 1960-08-16 | Electric-discharge system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2977509A (en) |
| GB (1) | GB900324A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269161A (en) * | 1979-07-18 | 1981-05-26 | Simmons William F | Variable fuel explosion chamber engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2606308A (en) * | 1951-03-15 | 1952-08-05 | American Speedlight Corp | Electronic flash device |
| US2872622A (en) * | 1954-06-18 | 1959-02-03 | Harold E Edgerton | Underwater flash producing system |
-
1959
- 1959-09-17 US US840591A patent/US2977509A/en not_active Expired - Lifetime
-
1960
- 1960-08-16 GB GB28431/60A patent/GB900324A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2977509A (en) | 1961-03-28 |
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