IL85975A - Power supply circuit for a diode adapted to emit light in dependence on the prevailing surrounding light - Google Patents
Power supply circuit for a diode adapted to emit light in dependence on the prevailing surrounding lightInfo
- Publication number
- IL85975A IL85975A IL85975A IL8597588A IL85975A IL 85975 A IL85975 A IL 85975A IL 85975 A IL85975 A IL 85975A IL 8597588 A IL8597588 A IL 8597588A IL 85975 A IL85975 A IL 85975A
- Authority
- IL
- Israel
- Prior art keywords
- dependence
- power supply
- light
- supply circuit
- emit light
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/906—Solar cell systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8701462A SE461352B (sv) | 1987-04-08 | 1987-04-08 | Stroemfoersoerjningskrets i foer skjutvapen avsedda riktmedel |
Publications (2)
Publication Number | Publication Date |
---|---|
IL85975A0 IL85975A0 (en) | 1988-09-30 |
IL85975A true IL85975A (en) | 1992-05-25 |
Family
ID=20368138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL85975A IL85975A (en) | 1987-04-08 | 1988-04-05 | Power supply circuit for a diode adapted to emit light in dependence on the prevailing surrounding light |
Country Status (6)
Country | Link |
---|---|
US (1) | US4804858A (sv) |
JP (1) | JP2668544B2 (sv) |
DE (1) | DE3811807A1 (sv) |
GB (1) | GB2203606B (sv) |
IL (1) | IL85975A (sv) |
SE (1) | SE461352B (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5229649A (en) * | 1988-09-28 | 1993-07-20 | Solatrol, Inc. | Light-energized electronics energy management system |
SE464104B (sv) * | 1989-05-10 | 1991-03-04 | Aimpoint Ab | Parallaxfritt sikte |
US4982176A (en) * | 1990-01-17 | 1991-01-01 | Frank Schwarz | Solar powered lighting and alarm systems activated by motion detection |
FR2678752B1 (fr) * | 1991-07-03 | 1993-10-29 | Somfy | Installation de commande du niveau d'eclairement d'un local. |
SE9301472D0 (sv) * | 1993-04-29 | 1993-04-30 | A parallax free sight | |
US5822200A (en) * | 1997-04-21 | 1998-10-13 | Nt International, Inc. | Low level, high efficiency DC/DC converter |
SE513595C2 (sv) * | 1999-02-22 | 2000-10-09 | Gs Dev Ab | Optiskt sikte med ett av en lysdiod illuminerat riktmärke |
CN1647284A (zh) * | 2002-02-04 | 2005-07-27 | 阳光风格有限公司 | 向手持装置提供电能的太阳能装置 |
US7325354B2 (en) * | 2004-05-06 | 2008-02-05 | Insight Technology, Inc. | Weapon aiming device |
WO2011038100A1 (en) * | 2009-09-23 | 2011-03-31 | 3M Innovative Properties Company | Lighting assembly |
US8966805B2 (en) | 2011-09-02 | 2015-03-03 | Trijicon, Inc. | Reflex sight |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1938184A (en) * | 1929-04-24 | 1933-12-05 | Kwartin Bernard | Regenerative photo-electric cell |
US3700336A (en) * | 1971-04-19 | 1972-10-24 | Us Navy | Method for optically detecting lightning radiation |
US3925714A (en) * | 1974-09-26 | 1975-12-09 | Gen Electric | Constant current battery charging circuit |
JPS52143068A (en) * | 1976-05-25 | 1977-11-29 | Citizen Watch Co Ltd | Solar battery timepiece |
DE2644341C2 (de) * | 1976-10-01 | 1984-08-02 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Verfahren und Anordnungen zur automatischen Verwirklichung des Köhler'schen Beleuchtungsprinzipes |
US4136309A (en) * | 1977-07-01 | 1979-01-23 | Galberth Robert L | Power output control circuit for solar-powered cathodic protection system |
JPS5520525U (sv) * | 1978-07-26 | 1980-02-08 | ||
SE416250B (sv) * | 1979-03-12 | 1980-12-08 | Aimpoint Ab | Stromforsorjningskrets for en diod avsedd att avge ljus i forhallande tillradande omgivningsljus |
US4314198A (en) * | 1979-10-01 | 1982-02-02 | Solar Physics, Inc. | Solar power source for a lighting system |
US4273990A (en) * | 1979-12-14 | 1981-06-16 | Emerson Electric Co. | Baseboard heater with high temperature cut-off switch |
DE3523062A1 (de) * | 1984-06-27 | 1986-01-09 | Kyocera Corp., Kyoto | Selbstleuchtender lichtsignalgeber und verwendung desselben in einer lichtsignalgeberanordnung |
JPS6154820A (ja) * | 1984-08-23 | 1986-03-19 | シャープ株式会社 | 光発電システムの直交変換装置 |
JPS6188731A (ja) * | 1984-10-04 | 1986-05-07 | シャープ株式会社 | 充放電制御装置 |
US4742291A (en) * | 1985-11-21 | 1988-05-03 | Bobier Electronics, Inc. | Interface control for storage battery based alternate energy systems |
-
1987
- 1987-04-08 SE SE8701462A patent/SE461352B/sv not_active IP Right Cessation
-
1988
- 1988-03-29 GB GB8807467A patent/GB2203606B/en not_active Expired - Lifetime
- 1988-03-29 US US07/174,780 patent/US4804858A/en not_active Expired - Lifetime
- 1988-04-05 IL IL85975A patent/IL85975A/xx not_active IP Right Cessation
- 1988-04-07 JP JP63087032A patent/JP2668544B2/ja not_active Expired - Fee Related
- 1988-04-08 DE DE3811807A patent/DE3811807A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3811807A1 (de) | 1988-10-27 |
JP2668544B2 (ja) | 1997-10-27 |
SE461352B (sv) | 1990-02-05 |
GB8807467D0 (en) | 1988-05-05 |
JPS63279295A (ja) | 1988-11-16 |
SE8701462L (sv) | 1988-10-09 |
SE8701462D0 (sv) | 1987-04-08 |
US4804858A (en) | 1989-02-14 |
IL85975A0 (en) | 1988-09-30 |
GB2203606A (en) | 1988-10-19 |
GB2203606B (en) | 1991-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Patent void |