FR2209270B3 - - Google Patents
Info
- Publication number
- FR2209270B3 FR2209270B3 FR7342667A FR7342667A FR2209270B3 FR 2209270 B3 FR2209270 B3 FR 2209270B3 FR 7342667 A FR7342667 A FR 7342667A FR 7342667 A FR7342667 A FR 7342667A FR 2209270 B3 FR2209270 B3 FR 2209270B3
- Authority
- FR
- France
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2258834A DE2258834B2 (de) | 1972-12-01 | 1972-12-01 | Schaltungsanordnung zum Zünden von Zusatzblitzleuchten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2209270A1 FR2209270A1 (US06650917-20031118-M00005.png) | 1974-06-28 |
| FR2209270B3 true FR2209270B3 (US06650917-20031118-M00005.png) | 1976-10-15 |
Family
ID=5863223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7342667A Expired FR2209270B3 (US06650917-20031118-M00005.png) | 1972-12-01 | 1973-11-30 |
Country Status (5)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071808A (en) * | 1976-07-15 | 1978-01-31 | John Hobart Zentmyer | Method and circuit for operating an electrical flash-tube |
| FR2516738A1 (fr) * | 1981-11-17 | 1983-05-20 | Hugueny Alain | Procede et dispositif de repartition d'energie pour alimentation de tubes eclair |
| US6741164B1 (en) * | 1993-09-24 | 2004-05-25 | Adt Services Ag | Building alarm system with synchronized strobes |
| US5559492A (en) * | 1993-09-24 | 1996-09-24 | Simplex Time Recorder Co. | Synchronized strobe alarm system |
| US20070210900A1 (en) * | 1993-09-24 | 2007-09-13 | Stewart Albert J | Building alarm system with synchronized strobes |
| US5400009A (en) | 1993-10-07 | 1995-03-21 | Wheelock Inc. | Synchronization circuit for visual/audio alarms |
| US6194994B1 (en) | 1995-03-20 | 2001-02-27 | Wheelock, Inc. | Apparatus and method for synchronizing visual/audible alarm units in an alarm system |
| US6906616B1 (en) * | 1995-03-20 | 2005-06-14 | Wheelock, Inc. | Apparatus and method for synchronizing visual/audible alarm units in an alarm system |
| US5608375A (en) * | 1995-03-20 | 1997-03-04 | Wheelock Inc. | Synchronized visual/audible alarm system |
| GB2431859A (en) * | 2005-10-31 | 2007-05-09 | Lloyd | A body protecting device comprising an array of energy absorbing cells |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593061A (en) * | 1968-02-23 | 1971-07-13 | Nippon Kogaku Kk | Apparatus for increasing the lighting of photoflash discharge lamps |
| DE1920036A1 (US06650917-20031118-M00005.png) * | 1969-04-19 | 1970-11-05 |
-
1972
- 1972-12-01 DE DE2258834A patent/DE2258834B2/de active Pending
-
1973
- 1973-10-24 CH CH1503973A patent/CH559497A5/xx not_active IP Right Cessation
- 1973-11-22 GB GB5436673A patent/GB1415429A/en not_active Expired
- 1973-11-26 US US418843A patent/US3881130A/en not_active Expired - Lifetime
- 1973-11-30 FR FR7342667A patent/FR2209270B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2258834B2 (de) | 1975-10-02 |
| DE2258834A1 (de) | 1974-06-12 |
| US3881130A (en) | 1975-04-29 |
| FR2209270A1 (US06650917-20031118-M00005.png) | 1974-06-28 |
| GB1415429A (en) | 1975-11-26 |
| CH559497A5 (US06650917-20031118-M00005.png) | 1975-02-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |