SE7800374L - PROCEDURE FOR PERIODIC LIGHT IN A LIGHT SIGNAL DEVICE AND DEVICE FOR ITS PERFORMANCE - Google Patents
PROCEDURE FOR PERIODIC LIGHT IN A LIGHT SIGNAL DEVICE AND DEVICE FOR ITS PERFORMANCEInfo
- Publication number
- SE7800374L SE7800374L SE7800374A SE7800374A SE7800374L SE 7800374 L SE7800374 L SE 7800374L SE 7800374 A SE7800374 A SE 7800374A SE 7800374 A SE7800374 A SE 7800374A SE 7800374 L SE7800374 L SE 7800374L
- Authority
- SE
- Sweden
- Prior art keywords
- light
- procedure
- performance
- periodic
- light signal
- 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
- H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI770094A FI60320C (en) | 1977-01-13 | 1977-01-13 | Method for providing periodic light in a light signal device |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7800374L true SE7800374L (en) | 1978-07-14 |
Family
ID=8510564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7800374A SE7800374L (en) | 1977-01-13 | 1978-01-12 | PROCEDURE FOR PERIODIC LIGHT IN A LIGHT SIGNAL DEVICE AND DEVICE FOR ITS PERFORMANCE |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2801385A1 (en) |
DK (1) | DK16278A (en) |
FI (1) | FI60320C (en) |
NO (1) | NO780129L (en) |
SE (1) | SE7800374L (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326161A (en) * | 1979-10-17 | 1982-04-20 | Protection Services, Inc. | Battery regulation circuit |
FI82152C (en) * | 1987-11-25 | 1991-01-10 | Rencotuote Oy | Method and apparatus for controlling voltage in a flashing device |
-
1977
- 1977-01-13 FI FI770094A patent/FI60320C/en not_active IP Right Cessation
-
1978
- 1978-01-12 SE SE7800374A patent/SE7800374L/en unknown
- 1978-01-13 NO NO780129A patent/NO780129L/en unknown
- 1978-01-13 DE DE19782801385 patent/DE2801385A1/en not_active Withdrawn
- 1978-01-13 DK DK16278A patent/DK16278A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK16278A (en) | 1978-07-14 |
FI770094A (en) | 1978-07-14 |
NO780129L (en) | 1978-07-14 |
DE2801385A1 (en) | 1978-07-20 |
FI60320B (en) | 1981-08-31 |
FI60320C (en) | 1988-11-17 |
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