GB2025715B - Lighting circuit - Google Patents

Lighting circuit

Info

Publication number: GB2025715B
Authority: GB; United Kingdom
Prior art keywords: lighting circuit; lighting; circuit
Prior art date: 1977-01-12
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

Application number

GB7829688A

Other versions

GB2025715A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

1977-01-12

Filing date

1978-07-13

Publication date

1982-09-02

1978-07-13 Application filed by Individual filed Critical Individual

1980-01-23 Publication of GB2025715A publication Critical patent/GB2025715A/en

1982-09-02 Application granted granted Critical

1982-09-02 Publication of GB2025715B publication Critical patent/GB2025715B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for AC voltages or currents
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
- H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
- 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
- H05B39/04—Controlling
- H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
- 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
- H05B39/09—Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses

GB7829688A 1977-01-12 1978-07-13 Lighting circuit Expired GB2025715B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP222777		1977-01-12

Publications (2)

Publication Number	Publication Date
GB2025715A GB2025715A (en)	1980-01-23
GB2025715B true GB2025715B (en)	1982-09-02

Family

ID=11523459

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7829688A Expired GB2025715B (en)	1977-01-12	1978-07-13	Lighting circuit

Country Status (3)

Country	Link
DE (1)	DE2830682A1 (en)
FR (1)	FR2431092A1 (en)
GB (1)	GB2025715B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE9308615U1 (en) *	1993-06-09	1993-08-26	Lünow, Rosemarie, 50670 Köln	Portable electric light
GB2347563A (en) *	1999-03-02	2000-09-06	James Kembal Davidson	Flame flicker simulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3495128A (en) *	1966-01-07	1970-02-10	Douglas G Gresham	Random power gate
US3710182A (en) *	1971-04-30	1973-01-09	Reenen R Van	Circuit producing candle-flicker light output from lamp

1978
- 1978-07-12 DE DE19782830682 patent/DE2830682A1/en not_active Withdrawn
- 1978-07-13 GB GB7829688A patent/GB2025715B/en not_active Expired
- 1978-07-13 FR FR7821021A patent/FR2431092A1/en active Granted

Also Published As

Publication number	Publication date
FR2431092A1 (en)	1980-02-08
GB2025715A (en)	1980-01-23
FR2431092B1 (en)	1984-02-24
DE2830682A1 (en)	1980-01-24

Publication	Publication Date	Title
JPS53136376A (en)	1978-11-28	Preefocusing lamp
GB1550600A (en)	1979-08-15	Integrated circuit
GB2003314B (en)	1982-09-22	Lamp unit
GB2005864B (en)	1982-05-06	Lighting device
JPS53128240A (en)	1978-11-09	Integrated circuit
JPS5412179A (en)	1979-01-29	Lamp
GB2007055B (en)	1982-08-18	Circuit arrangement
JPS546529A (en)	1979-01-18	Multiiflash lamp assembly
JPS5394160A (en)	1978-08-17	Muutuning circuit
YU222878A (en)	1982-08-31	Lamp assembly
JPS5477037A (en)	1979-06-20	Selffgate circuit
JPS53142065A (en)	1978-12-11	Lamp
JPS5482866A (en)	1979-07-02	Discharge lamp circuit
JPS53110444A (en)	1978-09-27	Ladderrtype circuit
GB2004047B (en)	1982-04-15	Lamp
JPS5395225A (en)	1978-08-21	Switchinggtype constanttcurrent circuit
JPS53136375A (en)	1978-11-28	Lamp
JPS53135190A (en)	1978-11-25	Lamp
GB2004046B (en)	1982-01-27	Lighting device
JPS5433026A (en)	1979-03-10	Multiiflash lamp assembly
GB2025715B (en)	1982-09-02	Lighting circuit
GB2000396B (en)	1982-01-06	Transverter circuit
JPS5436980A (en)	1979-03-19	Meterrdriving circuit
JPS53108291A (en)	1978-09-20	Integration implating circuit
JPS5449101A (en)	1979-04-18	Supperssed circuit

Legal Events

Date	Code	Title	Description
1986-03-12	PCNP	Patent ceased through non-payment of renewal fee