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| 3K098 | Discharge-lamp control circuits and pulse- feed circuits | |
| H05B41/30 -41/46;46/00 | ||
| H05B41/30-41/34 | AA | AA00 PURPOSE OR EFFECTS OF PULSE-FEED DISCHARGE-LAMP IGNITING CIRCUITS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Prevention of faulty light emission or abnormal light emission | . Prevention of accidents (e.g., electric shock, or safety) | . Indication or warning | . Emission of light for observation and light for photographing | . Stable fixed amounts of light emission | . Prevention of overexposure | . Extension of the life of power source batteries | . Extension the life flash discharge lamps | . Miniaturization, reduction of weight, or reduction of the number of components | . Improvement of the efficiency of or cost savings from lighting apparatuses | |||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA17 | AA18 | AA19 | AA20 | ||||
| . Improvement of ignition circuits | . . Short emission intervals or high-speed continuous emission | . . Prevention of mis-flashes | . . Variable trigger voltage | . . Elimination of the effects of trigger noise | . Improvement of power source circuits | . . Variable main capacitor voltage | . . Constant-voltage charging of main capacitors | . . Rapid charging of main capacitors | ||||
| AA21 | AA23 | AA24 | AA25 | AA26 | AA27 | AA30 | ||||||
| . . Prevention of power sources being left on | . Multiple lamps | . . Simultaneous light emission | . . Sequential light emission | . . Selective light emission | . . Reduced number of wires, or no restrictions on the distance of arrangements | . Others | ||||||
| BB | BB00 CONFIGURATION OF PULSE-FEED DISCHARGE-LAMP IGNITING CIRCUITS |
BB01 | BB03 | BB05 | BB06 | BB08 | BB09 | BB10 | ||||
| . Variants that have multiple main capacitors | . Units with power source batteries and auxiliary capacitors in series | . Feedback windings not provided for oscillation transformers | . Booster circuits other than converters | . Circuits that stop converter oscillation | . Variants that have serial control means (e.g., circuits) | . Variants that have parallel connecting means (e.g., circuits) | ||||||
| BB11 | BB13 | BB14 | BB15 | BB17 | BB20 | |||||||
| . Variants that have commutation circuits | . Light-adjusting and -detecting circuits | . Power-source-voltage-sensing circuits | . Circuits that generate signals that confirm flash generation | . Partial flashes and auxiliary flash apparatuses | . Others | |||||||
| H05B41/36-41/46 | CC | CC00 PURPOSE OR EFFECTS OF DISCHARGE-LAMP POWER-CONTROL CIRCUITS |
CC01 | CC02 | CC03 | CC04 | CC05 | CC07 | CC08 | CC09 | CC10 | |
| . Improvement of starting ability | . . Instantaneous ignition | . . Starting at low temperatures | . . Prevention of cold starts | . . Improvement of restarting ability | . Safety or protection, or extension of life cycle | . . Filament protection | . . . Prevention of sputtering | . . . Optimization of preheating | ||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC16 | CC17 | CC18 | |||||
| . . . Prevention of potential gradient | . . Protection of circuit elements | . . . Protection of switches | . . Prevention of overcurrent | . . Prevention of rush current | . . . Prevention of flashing | . . Prevention of end-stage flashing | . . Advance notice of useful life | |||||
| CC21 | CC22 | CC23 | CC24 | CC25 | CC26 | CC27 | ||||||
| . Stabilization of light emission | . . Prevention of flickering | . . . Prevention of flickering when light is adjusted | . . . . Stabilization of operating ranges | . . Uniform light emission | . . Elimination of external disturbances | . . Prevention of striation | ||||||
| CC31 | CC32 | CC33 | CC34 | CC35 | CC36 | CC37 | CC38 | CC39 | CC40 | |||
| . Control of light | . . Flashing control or intermittent lighting | . . . Automatic flashing | . . . . Response to external light | . . . Sequential flashing or alternate lighting | . . Control of emission color or light wavelength | . . . Color temperature control | . . . Control of color | . . . . Variation of light-emitting regions | . . Light adjustment | |||
| CC41 | CC42 | CC43 | CC44 | CC45 | CC46 | CC47 | CC48 | CC49 | ||||
| . . . Continuous light adjustment | . . . Discontinuous light adjustment | . . . . Adjustment in two steps | . . . Smooth light adjustment | . . Prevention of micro-discharge or dark lighting | . . . Elimination of afterglow | . . Generation of double spots | . . Light at high brightness (i.e., at or above a specified rating) | . . Relationship between the amount of operation and the light output | ||||
| CC51 | CC52 | CC53 | CC54 | CC55 | CC56 | CC57 | CC58 | CC59 | CC60 | |||
| . Issues with circuits or devices | . . Reduction of element breakdown voltage | . . Elimination of floating capacitance | . . Prevention of biased transformer magnetization | . . Prevention of resonance | . . Improvement of efficiency and improvement of the power factor or cost savings | . . Noise prevention or elimination of high-frequency components | . . Noise reduction | . . Impedance matching | . . Accommodation of the type of discharge lamp | |||
| CC61 | CC62 | CC63 | CC64 | CC65 | CC67 | CC70 | ||||||
| . Issues pertaining to structures or installation | . . Miniaturization or weight reduction | . . Elimination of the effects of light from other lamps | . . Heat radiation | . . Remote control | . Variants that switch to spare circuits when lamps fail | . Others | ||||||
| DD | DD00 DISCHARGE-LAMP POWER-CONTROL CIRCUITS |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD08 | DD09 | DD10 | ||
| . Discharge lamps | . . Variable color discharge lamps | . . . Variants that have multiple discharge paths | . . Discharge lamps without electrodes | . . Rare-gas discharge lamps (i.e., variants characterized by rare gases) | . . High-pressure vapor-discharge lamps or metal halide lamps | . Discharge-lamp details | . . Variants that have starters | . . Variants that have auxiliary electrodes (i.e., outside tubes) or proximity conductors | ||||
| DD11 | DD12 | DD14 | DD15 | DD16 | DD17 | DD18 | DD19 | DD20 | ||||
| . . Variants that have auxiliary electrodes (i.e., inside tubes) | . . Variants that have other light-emitting sections (i.e., light emission other than discharge) | . Power supplied to discharge lamps | . . Direct current | . . . Rectified current | . . . . Smoothed current | . . Alternating current (AC) power sources | . . . Starting at each half-cycle | . . High-frequency power sources | ||||
| DD21 | DD22 | DD23 | DD24 | DD25 | DD27 | DD28 | ||||||
| . . . Self-exciting inverters | . . . Externally excited inverters | . . Electromagnetic-field-generating devices, or magnetrons | . . Superimposing by multiple power sources | . . Variants that have multiple power supplies | . Power source details | . . Variants that have balancers | ||||||
| DD31 | DD32 | DD33 | DD34 | DD35 | DD36 | DD37 | ||||||
| . Control device arrangements | . . Control devices arranged in series with discharge lamps | . . Control devices arranged in parallel with discharge lamps | . . . Control devices that are not on the power source side | . . Inverter input sections | . . Inverter output sections | . . Sections inside inverters | ||||||
| DD41 | DD42 | DD43 | DD44 | DD45 | DD46 | DD50 | ||||||
| . Control device details | . . Variants that have multiple control devices | . . Variants that have comparators | . . Synchronous devices with AC power sources or other signals | . . . Basic clock signals | . . Timers | . Others | ||||||
| EE | EE00 CONTROL |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | EE09 | EE10 | |
| . Object controlled | . . Preheating | . . . Preheating of filaments | . . . . Heat that is supplied when lamps go out | . . . . Heat that increases when light is adjusted | . . . . Heat that decreases when light is adjusted | . . . Use of micro-discharge | . . Power source sections | . . . Impression of high voltage | . . . . Superimposing or doubling of voltage | |||
| EE11 | EE12 | EE13 | EE14 | EE15 | EE16 | EE17 | EE18 | EE19 | EE20 | |||
| . . . . . Superimposing of pulses | . . . . Voltage boosting by resonance | . . . Power source section frequency | . . . Inverter switching elements | . . . Electromagnetic field intensity | . . Discharge lamps or loads | . . . Control of tube power (e.g., voltage or current) to a fixed value | . . . Control, selection, or switching of multiple discharge lamps | . . . . Selection of discharge paths | . . . Controlling electrode power | |||
| EE21 | EE22 | EE23 | EE24 | EE25 | EE27 | EE28 | EE29 | EE30 | ||||
| . . . Tube-wall temperature | . . . Internal pressure of the lamp | . . . Reduction of starting resistance | . . Control devices | . . . Delayed control operations | . Control methods | . . Phase-angle control | . . . Variants characterized by phase angle | . . . Variants characterized by controlling switches | ||||
| EE31 | EE32 | EE33 | EE34 | EE35 | EE36 | EE37 | EE40 | |||||
| . . Pulse-width modulation (PWM) control | . . Duty-ratio control | . . Use of variable impedance | . . Use of over-saturated reactors | . . Switching with switches | . . . Variants that multiple switches | . . Control by computer programs | . Others | |||||
| FF | FF00 DETECTION OR SENSING |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | ||
| . Objects and variables to be detected | . . Discharge lamp states | . . . Tube voltage | . . . Tube current | . . . Discharge lamp light | . . . Tube-wall temperature | . . . Not-emitting state | . . . . Half-wave discharge | . . Ambient environment | ||||
| FF11 | FF12 | FF13 | FF14 | FF15 | FF16 | FF20 | ||||||
| . Detection methods | . . Zero-cross detection | . . Detection by heat-sensitive elements | . . Detection by impedance elements | . . . Detection by reactors | . . . . Transformers for feedback | . Others | ||||||
| GG | GG00 OTHER DISTINCTIVE FEATURES |
GG01 | GG02 | GG03 | GG04 | GG05 | GG06 | GG10 | ||||
| . Photocouplers | . Resonance circuits | . Numerical limitations | . Impression of magnetic fields | . Heating means | . Cooling means | . Others |