| ReturnTo Theme-Group-Choice | Onelevelup |
| 2C066 | THERMAL PRINTERS (CONTROL) | |
| B41J2/35 -2/38 | ||
| B41J2/35@D;2/355-2/355@Z;2/36@C-2/36@Z;2/365;2/37;2/375;2/38 | AA | AA00 PURPOSE |
AA01 | AA03 | AA04 | AA05 | AA06 | AA08 | AA10 | |||
| . Increasing speed | . Improving quality | . . Preventing bleeding | . . Processing seams | . . Improving recording patterns | . Saving power source capacity | . Saving memory capacities | ||||||
| AA12 | AA14 | AA16 | AA18 | |||||||||
| . Simplifying circuits | . Extending lifetimes | . Compensating defects | . Other purposes | |||||||||
| AB | AB00 DRIVE METHOD |
AB01 | AB02 | AB03 | AB05 | AB07 | AB09 | |||||
| . Driving divided heads | . . at each block | . . at each group | . Driving in stages | . driving in particularly devised drive order | . driving in particularly devised drive time | |||||||
| AC | AC00 STRUCTURE |
AC01 | AC02 | AC03 | AC05 | AC06 | AC08 | AC09 | ||||
| . Line-type heads | . . with group connection | . . Common electrode types | . Serial-type heads | . . Matrix types | . devised in switching elements | . . of negative-resistance | ||||||
| AC11 | AC13 | AC15 | AC17 | |||||||||
| . devised in latch circuits | . devised in shift registers | . devised in buffers | . devised in drivers | |||||||||
| AD | AD00 FUNCTION |
AD01 | AD03 | AD05 | ||||||||
| . for colour use | . for recording gradation | . Having mode switching | ||||||||||
| BC | BC00 CORRECTING VARIATIONS IN AMOUNT OF HEAT GENERATION |
BC01 | BC02 | BC03 | BC04 | BC06 | BC07 | BC08 | BC09 | BC10 | ||
| . correcting variations in resistance values | . correcting temporal changes | . correcting local variations | . correcting other variations | . having memory means | . . Physical memories | . Correction means integrated with heads | . having means for measuring resistance values | . having resistors for reference use | ||||
| BC12 | BC13 | BC14 | BC15 | BC16 | ||||||||
| . correcting resistance values | . . by trimming | . correcting applied energy | . correcting by devising circuit structure | . correcting by other methods | ||||||||
| BD | BD00 HEAD PROTECTION |
BD01 | BD02 | BD03 | BD04 | BD05 | BD07 | BD08 | BD09 | BD10 | ||
| . preventing overheat | . . preventing heating without heating objects | . preventing overpower | . preventing runaway logic | . other protection purposes | . limiting current supply times | . limiting maximum power | . monitoring activation of heating elements | . protecting by other methods | ||||
| BD12 | BD13 | BD14 | BD16 | |||||||||
| . having temperature-measuring means | . having comparators | . having timekeeping means | . protecting elements other than heads | |||||||||
| BF | BF00 CONTROL OF APPLIED POWER |
BF01 | BF02 | BF04 | ||||||||
| . controlling power supply circuits | . . supplying constant power | . Power control colour by colour | ||||||||||
| CA | CA00 COMPENSATION FOR TEMPERATURE CHANGE |
CA01 | CA02 | CA03 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | ||
| . for weakly-printed characters | . for blur | . for variations due to irregular intervals | . by applied energy | . by data processing | . by drive timing | . compensating forcedly | . measuring temperature regularly | . measuring temperature with specific timing | ||||
| CA11 | CA13 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | |||||
| . . immediately before driving heating elements | . having temperature detection means on heads | . . around heating elements | . having means for measuring temperature on paper surfaces rather than on heads | . having digital means for measuring temperature | . having memory means | . . being ROMs | . having comparison means | |||||
| CA21 | CA22 | CA23 | CA24 | CA25 | ||||||||
| . checking conditions other than temperature | . . checking histories | . . checking recorded data | . for colour recording | . for gradation recording | ||||||||
| CB | CB00 COMPENSATION FOR VOLTAGE CHANGE |
CB01 | CB02 | CB03 | CB05 | CB06 | CB07 | CB09 | CB10 | |||
| . for fluctuations in applied voltage | . for fluctuations in applied electric currents | . for changes resulting from load fluctuations | . by applied energy | . by drive timing | . by other methods | . having loads for detecting voltage fluctuations | . having standard voltage | |||||
| CB11 | ||||||||||||
| . having time constant circuits | ||||||||||||
| CC | CC00 COMPENSATION BASED ON RECORDING INFORMATION |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC09 | CC10 | ||
| . by applied energy | . by drive timing | . . by divided drive | . by data processing | . . of adjacent data | . . of data before or after | . by other methods | . having memory means | . . being ROMs | ||||
| CC11 | CC13 | CC14 | ||||||||||
| . . being flame memories | . for colour recording | . for gradation recording | ||||||||||
| CD | CD00 GRADATION RECORDING |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD07 | CD08 | CD09 | CD10 | |
| . devised for a plurality of gradation | . devised for improvement of reproducibility | . . for density compensation | . devised for data processing of gradation | . devised for other purposes | . Density gradation types | . . changing digitally | . Area gradation types | . . Matrix types | . . Changing analogously | |||
| CD11 | CD12 | CD14 | CD15 | CD16 | CD17 | CD19 | CD20 | |||||
| . Heat sensitive types | . Transfer types | . varying application periods | . . overstriking | . varying electric currents or voltages | . forming one picture element with a plurality of scanning | . Line types | . . with group connection | |||||
| CD21 | CD22 | CD23 | CD24 | CD25 | CD26 | CD27 | CD28 | |||||
| . Serial types | . . with matrix structures | . having dot-shaped heating elements | . having continuous heating elements | . having heating elements of particular shapes | . forming one picture element using a plurality of heating elements | . having memory means | . . being ROMs | |||||
| CE | CE00 COMPENSATION USING HISTORY |
CE01 | CE02 | CE03 | CE04 | CE06 | CE07 | CE08 | CE10 | |||
| . for weakly-printed characters | . for blur | . for time histories | . for drive data | . using applied energy | . by data processing | . by other methods | . having temperature-measuring means | |||||
| CE11 | CE12 | CE13 | CE14 | CE15 | CE16 | |||||||
| . having memory means | . . having data recording memories | . . having ROMs | . having simulator circuits | . having timing means | . . composed of time constant circuits | |||||||
| CF | CF00 COMPENSATION USING CONTENT OF SIMULTANEOUS DRIVE |
CF01 | CF02 | CF03 | CF04 | CF06 | CF07 | CF08 | CF09 | |||
| . for weakly-printed characters | . for blur | . for number of simultaneous driver elements | . for simultaneous drive data | . by applied energy | . by drive timing | . by data processing | . by other methods | |||||
| CF11 | CF12 | |||||||||||
| . having memory means | . having counters | |||||||||||
| CZ | CZ00 OTHER COMPENSATION |
CZ01 | CZ02 | CZ03 | CZ05 | CZ06 | CZ08 | CZ09 | ||||
| . for speed changes | . . of main scanning | . . of sub-scanning | . detecting recording density | . . having test patterns | . for paper quality | . . detecting paper quality | ||||||
| CZ11 | CZ12 | |||||||||||
| . for ribbon quality | . . detecting ribbon quality | |||||||||||
| DA | DA00 PREHEATING |
DA01 | DA02 | DA03 | DA04 | DA06 | DA07 | DA08 | DA10 | |||
| . for increasing speed | . for preventing non-uniformity of density | . for extending lifetime | . for other purposes | . applying preheating signals to heating elements | . . applying bias signals | . . applying prepulse signals | . having dedicated preheating means | |||||
| DA11 | DA12 | DA13 | DA14 | DA16 | DA17 | DA18 | DA19 | DA20 | ||||
| . . at head sides | . . at platen sides | . having temperature detection means | . Structure for preheating | . changing amount of heating including presence or absence | . . according to histories | . . according to temperatures | . changing heating timing | . . according to histories | ||||
| DA21 | DA22 | |||||||||||
| . . according to temperatures | . . according to data |