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| 3K083 | CIRCUIT ARRANGEMENTS FOR LIGHTING DISCHARGE LAMPS IN GENERAL (3) | |
| H05B41/18 -41/234 | ||
| H05B41/18-41/234 | AA | AA00 PURPOSE OR EFFECT * |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA09 | ||
| . Improvement of starting | . . Instantaneous lighting | . . Prevention of overshoots | . . Facilitation of transition to arc discharge | . . Improvement of starting at low or high temperatures | . . Reduction of starting voltage or current | . . Improvement of restarting | . Improvement of preheat | |||||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | AA18 | AA19 | AA20 | |||
| . Improvement of safety | . . Prevention of equipment damage | . . . Starter protection | . . . . Prevention of chattering | . . . Lamp protection | . . . . Prevention of cold start | . . . . Prevention of sputtering of electrode materials or prevention of blackening | . . . Protection of ballasts | . . . Prevention of overload | . . . . Prevention of overvoltage | |||
| AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | AA29 | AA30 | ||||
| . . . . Prevention of overcurrent | . . . . . Prevention of inrush current | . . . corresponding to last stage of lamp life | . . . Countermeasures to high voltage | . . . . taking measures against leak of pulses or high frequency current | . . . . Prevention of repetitive operations of starter | . . Prevention of excessive temperature rise | . . Prevention of excessive preheat | . . Prevention of current leakage or electric shock | ||||
| AA32 | ||||||||||||
| . . Protection during lamp replacement | ||||||||||||
| AA41 | AA42 | AA43 | AA44 | AA45 | AA46 | AA47 | AA48 | AA49 | AA50 | |||
| . Improvement of accuracy or reliability | . . Improvement of detection precision | . . Prevention of malfunctions | . . Prevention of property deterioration i.e. life extension | . . . of lamps | . . . of starters | . . Improvement of characteristics of components | . . . Prevention of variation | . . . Improvement of current cut-off characteristics of switches | . . Noise prevention | |||
| AA51 | AA52 | AA54 | AA55 | AA56 | ||||||||
| . adapting to external environment of equipment | . . adapting to a plurality of types of power sources | . Comfort of use | . . Improvement of operability | . . Noise reduction | ||||||||
| AA61 | AA62 | AA63 | AA64 | AA65 | AA66 | AA67 | ||||||
| . Improvement of lighting stability | . . Stable lighting at low or high temperatures | . . . Prevention of fall of lamp electrode temperature | . . Prevention of light emission luminance abnormality | . . Improvement of flicker | . . Prevention of lamp fade-out or prevention of lighting failure | . . Reduction of distortion in voltage or current of power sources or lamps | ||||||
| AA71 | AA72 | AA73 | AA74 | AA76 | AA77 | AA79 | ||||||
| . Uniformity of lighting | . . Prevention of luminance nonuniformity | . . . Prevention of biased emission of mercury in lamps | . . . Prevention of cataphoretic phenomena | . Improvement of efficiency | . . Loss reduction | . Power saving | ||||||
| AA81 | AA83 | AA85 | AA86 | AA88 | ||||||||
| . Improvement of power factors | . Facilitation of maintenance | . Simplification of structures | . . Standardisation of components | . Degradation of component qualities | ||||||||
| AA91 | AA92 | AA94 | ||||||||||
| . Size reduction or space saving | . . on ballasts | . adapted for components having different characteristics | ||||||||||
| BA | BA00 STABILISING CIRCUIT UNIT |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | |||||
| . Output supplied to lamps | . . Direct current | . . Pulsating current | . . Rectangular waves | . . High-frequency waves | . . Alternating current containing direct current components | |||||||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | |||
| . Structures of ballasts | . . Choke coil types | . . Leakage transformer types | . . characterised by magnetic core materials | . . characterised by magnetic core shapes | . . having intermediate taps | . . having short-circuited windings | . . Inductor-capacitor (L-C) types | . . Capacitor-resistor (C-R) types | . . Capacitor types | |||
| BA22 | BA23 | BA24 | BA25 | BA26 | ||||||||
| . . Resistance ballasts | . . Electronic ballasts | . . . Simulated inductors | . . . Inverter ballasts | . . . Direct current (DC) converters | ||||||||
| BA31 | BA32 | BA33 | BA34 | BA35 | BA36 | |||||||
| . Electronic ballast control modes * | . . Phase control | . . Pulse width modulation (PWM) control | . . Constant value control | . . Time-shared control | . . Selection of control modes | |||||||
| BA41 | BA43 | BA44 | BA45 | BA47 | BA49 | |||||||
| . having superimposing means | . Dispersed spot lighting | . . Balancer choke types | . . with rectifying devices attached to filaments | . with ballast impedance changed at starting | . operating polarity of connections between power sources and lamps | |||||||
| BA51 | BA53 | BA55 | BA57 | BA59 | ||||||||
| . Energisation by switching different types of power sources | . for dimming | . for intermittent lighting | . Adjustment of preheat power sources used for lighting power sources | . Use of current balancing transformers | ||||||||
| BB | BB00 PREHEAT CIRCUIT UNIT |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Preheat modes | . . Continuous preheat | . . Restriction of preheat at lights-out time | . . Restriction of preheat after lighting up | . . Stop of preheat after lighting up | . . Increase of preheat current at starting | . . Full-cycle preheat | . . Half-cycle preheat | . . Keeping filament temperature constant | . . Self-control of preheat time | |||
| BB12 | BB13 | BB14 | BB15 | BB16 | BB17 | |||||||
| . . . corresponding to lights-out time | . . by resonance | . . by lamp short-circuiting with starters | . Use of preheat transformers | . . by sharing stabilising circuit transformers | . . . installed at secondary wiring side of ballasts | |||||||
| BC | BC00 STARTER UNIT |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | ||||
| . Starter switches | . . Contact switches | . . . Glow switches | . . . Heat-activated switches | . . . . Hot-wire relays | . . . Magnetic switches | . . . Shape-memory alloy | ||||||
| BC12 | BC13 | BC14 | BC15 | BC16 | BC17 | BC18 | BC19 | BC20 | ||||
| . . Contactless switches | . . . Transistors | . . . Unidirectional two-terminal thyristors | . . . Unidirectional three-terminal thyristors | . . . Bidirectional two-terminal thyristors | . . . Bidirectional three-terminal thyristors | . . . Non-linear capacitors | . . Use of discharge gaps | . . using a plurality of switches | ||||
| BC22 | BC23 | |||||||||||
| . . . Combination of contact switches and contactless switches | . . . having switches used solely for restarting | |||||||||||
| BC31 | BC32 | BC33 | BC34 | BC35 | BC36 | BC37 | BC38 | BC39 | BC40 | |||
| . High-voltage-generating modes | . . High-frequency wave generation | . . Pulse generation | . . . with inductance kick | . . . with piezoelectric elements | . . . Broad-width pulses | . . . Constant pulse voltage | . . . Sequentially increasing pulse voltage | . . . Alternating feed of pulses and preheat current | . . . Lighting power source turned off during pulse generation | |||
| BC42 | BC43 | BC44 | BC45 | BC47 | BC48 | |||||||
| . . using discharge of capacitor charge voltage | . . . Use of voltage-doubling circuits | . . using resonance | . . High-voltage generation after end glow | . using pulse transformers | . . using ballasts simultaneously | |||||||
| BD | BD00 DETECTOR UNIT |
BD01 | BD02 | BD03 | BD04 | BD05 | BD06 | BD07 | BD08 | BD09 | BD10 | |
| . Detected variables | . . Electrical variables * | . . . Voltage | . . . Current | . . . Phase | . . . . Zero-cross points | . . Non-electrical variables * | . . . Light | . . . Temperature | . . . Time | |||
| BD11 | BD12 | BD13 | BD14 | BD15 | BD16 | BD17 | BD18 | |||||
| . Objects to be detected | . . inside equipment | . . . Stabilising circuit units | . . . Preheat circuits | . . . Starter units | . . . Lamps | . . outside equipment | . . . Power sources | |||||
| BD21 | BD22 | BD23 | BD24 | BD25 | BD26 | BD27 | BD28 | BD29 | BD30 | |||
| . Detection purposes * | . . Discharge states | . . . Asymmetric discharge | . . . . Half-wave discharge | . . . Discrimination of lighting states | . . Component connection states | . . . Discontinuities | . . . Short circuits | . . Discrimination of component characteristics | . . Power failure | |||
| BE | BE00 OTHER STRUCTURE OF LIGHTING CIRCUIT * |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | BE09 | BE10 | |
| . Structures of control means * | . . having calculating functions | . . Using microcomputers | . . having storage means | . . Timers | . . . responding to power source voltage | . . . . staying ON for a predetermined period after power sources are switched on | . . . . becoming ON after lapse of a predetermined period from switching on of power sources | . . . responding to lamp-lighting states | . . . responding to starter operations | |||
| BE12 | BE13 | BE14 | BE15 | BE16 | BE17 | BE18 | BE19 | BE20 | ||||
| . . . Electric or electronic timers | . . . . Time-constant circuits using capacitors | . . . Mechanical timers | . . . . Thermal timers | . . . A plurality of timers | . . Use of counter circuits | . . . Counting of the number of times of lighting-up | . . Use of digital circuits | . . . Use of logic circuits | ||||
| BE21 | BE22 | BE23 | BE24 | BE26 | BE27 | BE28 | ||||||
| . Use of temperature-dependent elements * | . . Thermistors | . . . Positive temperature coefficients (PTC) | . . . Negative temperature coefficients (NTC) | . Use of voltage-dependent elements * | . . Varistors | . . Zener diodes | ||||||
| BE31 | BE32 | BE34 | BE36 | BE38 | BE40 | |||||||
| . Use of non-linear devices | . . Non-linear inductors | . Use of superconductors | . Use of circuits for inspecting component functions | . having micro-discharge circuits | . Restrictions on component arrangements | |||||||
| CA | CA00 LAMP |
CA01 | CA03 | CA05 | CA06 | CA07 | CA09 | |||||
| . Restrictions on lamp arrangements | . Lamp shapes | . Structures of electrodes | . . having auxiliary electrodes | . . Structures of filaments | . having proximity conductors | |||||||
| CA11 | CA13 | |||||||||||
| . having amalgam in tubes | . having coolest point set up | |||||||||||
| CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA28 | |||||
| . having a plurality of lamps | . . connected in series | . . connected in parallel | . . connected in series and parallel | . . lighting selected lamps | . . lighting lamps sequentially | . . Combined use of different types of lamps | . . Combined use of lamps with different standards | |||||
| CA31 | CA32 | CA33 | CA34 | CA35 | CA36 | CA37 | CA38 | |||||
| . Lamp types * | . . High-pressure lamps | . . . Metal halide lamps | . . Extra-high pressure lamps | . . Xenon lamps | . . Neon lamps | . . Sodium lamps | . . having filaments on electrodes | |||||
| DA | DA00 NOTIFICATION UNIT * |
DA01 | DA02 | |||||||||
| . Visual | . Audible | |||||||||||
| EA | EA00 OTHERS |
EA01 | EA02 | EA03 | EA04 | EA05 | EA07 | EA08 | EA09 | |||
| . Magnetic field application | . having heating means e.g. tube heaters | . having cooling means | . having adapters | . having service outlets | . Numerical limitations * | . . for lamps | . . for ballasts |