CA2255641C - Series connected light string with filament shunting - Google Patents
Series connected light string with filament shunting Download PDFInfo
- Publication number
- CA2255641C CA2255641C CA002255641A CA2255641A CA2255641C CA 2255641 C CA2255641 C CA 2255641C CA 002255641 A CA002255641 A CA 002255641A CA 2255641 A CA2255641 A CA 2255641A CA 2255641 C CA2255641 C CA 2255641C
- Authority
- CA
- Canada
- Prior art keywords
- bulbs
- string
- voltage
- bulb
- illuminated
- 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 - Fee Related
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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/10—Circuits providing for substitution of the light source in case of its failure
- H05B39/105—Circuits providing for substitution of the light source in case of its failure with a spare lamp in the circuit, and a possibility of shunting a failed lamp
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65397996A | 1996-05-28 | 1996-05-28 | |
US08/653,979 | 1996-05-28 | ||
PCT/US1997/001831 WO1997046055A1 (en) | 1996-05-28 | 1997-02-03 | Series connected light string with filament shunting |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2255641A1 CA2255641A1 (en) | 1997-12-04 |
CA2255641C true CA2255641C (en) | 2002-06-25 |
Family
ID=24623040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002255641A Expired - Fee Related CA2255641C (en) | 1996-05-28 | 1997-02-03 | Series connected light string with filament shunting |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPH11509974A (ja) |
CN (1) | CN1220076A (ja) |
CA (1) | CA2255641C (ja) |
DE (2) | DE19781744B4 (ja) |
GB (1) | GB2327307B (ja) |
HK (1) | HK1017226A1 (ja) |
WO (1) | WO1997046055A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7178961B2 (en) | 1995-06-26 | 2007-02-20 | Jlj, Inc. | Voltage regulated light string |
US6084357A (en) * | 1998-04-10 | 2000-07-04 | Janning; John L. | Series connected light string with filament shunting |
DE19843330C2 (de) * | 1998-09-22 | 2003-10-16 | Diehl Stiftung & Co | Fahrzeugkabinenbeleuchtung |
WO2002093711A1 (en) | 2001-05-17 | 2002-11-21 | Stay Lit International, Inc. | Voltage regulated light string |
US7564666B2 (en) * | 2006-05-02 | 2009-07-21 | Semiconductor Components Industries, L.L.C. | Shunt protection circuit and method therefor |
US7976191B2 (en) * | 2006-10-02 | 2011-07-12 | Best Point Group, Ltd. | Light string of LEDs |
US8247999B2 (en) * | 2008-01-22 | 2012-08-21 | Alcatel Lucent | Time division multiplexing a DC-to-DC voltage converter |
GB2509099A (en) * | 2012-12-20 | 2014-06-25 | Accuric Ltd | LED driver circuit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1024495A (en) * | 1910-10-26 | 1912-04-30 | Edgar Booth | Electric-lighting system. |
US2072337A (en) * | 1936-05-05 | 1937-03-02 | Nofade Electric Corp | Safety lighting circuit |
FR884370A (fr) * | 1942-03-17 | 1943-08-11 | Perfectionnements à l'alimentation d'appareils électriques | |
US2760120A (en) * | 1955-10-26 | 1956-08-21 | New York Merchandise Co Inc | Lighting system for christmas trees |
CH427021A (de) * | 1964-07-03 | 1966-12-31 | Danfoss As | Vorrichtung zur Kompensation des Ausfalls eines Reihenwiderstandes bei einer Reihenschaltung, insbesondere bei einer Christbaumbeleuchtung |
US3639805A (en) * | 1970-05-25 | 1972-02-01 | Gen Motors Corp | Series lamp safeguard circuit |
US3912966A (en) * | 1973-04-30 | 1975-10-14 | Gen Electric | Incandescent lamp series string having protection against voltage surges |
US4450382A (en) * | 1982-06-21 | 1984-05-22 | The United States Of America As Represented By The Secretary Of The Army | D.C. Lamp burn-out protection |
US4682079A (en) * | 1984-10-04 | 1987-07-21 | Hallmark Cards, Inc. | Light string ornament circuitry |
US4727449A (en) * | 1986-10-01 | 1988-02-23 | Chiu Technical Corporation | Filament bypass circuit |
US5006724A (en) * | 1989-03-20 | 1991-04-09 | Liu Ching Chung | Control device for light sets |
FR2663183B1 (fr) * | 1990-06-07 | 1997-04-11 | Fd Eclairage Architectural | Circuit d'alimentation de lampes basse tension disposees en serie. |
DE69232284T2 (de) * | 1991-02-27 | 2002-06-13 | Roche Diagnostics Corp | Übertragungsverfahren mit microrechnergesteuerten instrumenten |
US5539317A (en) * | 1994-11-07 | 1996-07-23 | Jlj, Inc. | Circuit tester for Christmas tree light sets |
-
1997
- 1997-02-03 DE DE19781744A patent/DE19781744B4/de not_active Expired - Fee Related
- 1997-02-03 JP JP9542312A patent/JPH11509974A/ja active Pending
- 1997-02-03 CN CN97195011A patent/CN1220076A/zh active Pending
- 1997-02-03 CA CA002255641A patent/CA2255641C/en not_active Expired - Fee Related
- 1997-02-03 DE DE19781744T patent/DE19781744T1/de active Pending
- 1997-02-03 WO PCT/US1997/001831 patent/WO1997046055A1/en active Application Filing
- 1997-02-03 GB GB9823170A patent/GB2327307B/en not_active Expired - Fee Related
-
1999
- 1999-05-12 HK HK99102133A patent/HK1017226A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2255641A1 (en) | 1997-12-04 |
DE19781744T1 (de) | 1999-05-12 |
GB2327307B (en) | 2000-02-16 |
JPH11509974A (ja) | 1999-08-31 |
DE19781744B4 (de) | 2006-03-02 |
GB9823170D0 (en) | 1998-12-16 |
WO1997046055A1 (en) | 1997-12-04 |
HK1017226A1 (en) | 1999-11-12 |
GB2327307A (en) | 1999-01-20 |
CN1220076A (zh) | 1999-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |