| ReturnTo Theme-Group-Choice | Onelevelup |
| 2C069 | Printers for printing characters | |
| B41J1/00 -1/60@Z;2/50-2/50,101@Z;7/00-7/96@Z | ||
| B41J1/30-1/30@J;1/30@Z | AA | AA00 WHEELS |
AA01 | AA03 | AA05 | AA06 | AA07 | AA08 | AA09 | |||
| . Materials | . Manufacture | . Character units | . . Arrangement of characters | . Spoke units | . . Short spokes and spokes of different lengths | . Disk elements | ||||||
| AA11 | AA12 | AA13 | AA15 | |||||||||
| . Installation of character units and spoke units | . Wheels whereby multiple characters are provided on one spoke | . Wheels whereby accessories are installed thereon | . Others | |||||||||
| AB | AB00 RELATIONSHIP OF WHEELS TO HAMMERS |
AB01 | AB02 | AB04 | AB06 | |||||||
| . Connection of character back surfaces to hammers | . . Variants connected by means of pegs and holes | . Variants having intermediate elements | . Others | |||||||||
| AC | AC00 MOUNTING AND EXCHANGE OF WHEELS |
AC01 | AC02 | AC03 | AC05 | AC06 | AC07 | AC09 | AC10 | |||
| . Wheels using cassettes | . . Wheels associated with cassettes themselves | . . Wheels associated with cassette holders | . Wheels that are manually attached and detached | . . Connections between driving shafts and wheels | . . Wheels that are rotated at the attachment and detachment position | . Wheels attached and detached automatically | . . Wheels whereby the driving shaft moves | |||||
| AC11 | AC13 | AC14 | AC15 | AC16 | AC18 | |||||||
| . . Wheels whereby the driving shaft does not move | . Positioning of driving shafts and wheels | . Automatic selection from multiple wheels | . Mounting detection | . Automatic classification identification | . Others | |||||||
| AD | AD00 FUNCTIONS AND THE LIKE |
AD01 | AD02 | AD03 | AD04 | AD05 | AD06 | AD07 | AD08 | AD09 | AD10 | |
| . Emphasis and deletion | . Ruled lines | . Execution of dot matrix printing | . Ink supply means | . Functions associated with ink ribbons | . Functions associated with shifting | . Functions associated with carriage movement | . Carriage assembly structures | . Wheel rotation driving systems | . . Systems whereby the driving source is under the platen | |||
| AD11 | ||||||||||||
| . Others | ||||||||||||
| B41J7/36@E;7/48@A;7/96;7/96@A | BA | BA00 PULSE GENERATION AND POSITION DETECTION |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA09 | BA10 | |
| . Non-contact typess | . . Rotary encoders | . . . Variants that are coaxial with types or dies | . . Detection of conditions that supplement types or dies | . . . Detection only of the home position | . . Variants that process and identify types or dies | . . . Detection only of the home position | . Contact types | . . Electrical contact points | ||||
| BA11 | BA12 | BA14 | BA15 | BA17 | ||||||||
| . . . Variants characterized by contact platens | . . . Variants characterized by detection plates | . Pulse motor excitement phase detection | . Detection by means of stoppers and claws | . Others | ||||||||
| BB | BB00 HANDLING AND COUNTERMEASURES |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB09 | ||||
| . Returning to the home position | . Detection of abnormalities and improper operation, and correction of unevenness | . Handling during initialization and power source input | . Elimination of noise and chattering | . Timing pulse preparation | . Speed signal preparation | . Others | ||||||
| B41J7/92-7/94@Z | CA | CA00 HAMMER IMPACT ADJUSTMENT |
CA01 | CA02 | CA03 | CA05 | CA06 | CA07 | CA08 | CA09 | ||
| . Adjustment of relative positions | . . Eccentric cams and variants based thereon | . . Variants based on screw shafts and racks | . Energy-adjustment | . . Electrical energy control | . . . Voltage and voltage wave form control | . . . Control of electrical current and electrical current wave form | . . . Control of pulse width and impression time width | |||||
| CA11 | CA12 | CA14 | CA16 | |||||||||
| . . Non-electrical energy control | . . . Flexible energy control | . Variants having a hammer- or impression-pressure indicator | . Others | |||||||||
| CB | CB00 CONTROL OBJECTIVES |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB10 | |||
| . Accomodation of changes in paper width | . Accommodation of a number of sheets of paper | . Accommodation of the type of ink ribbon | . Compensation for deterioration of the ink ribbon with the passage of time | . Alteration of the shading of specific characters, words, and phrases | . Alteration of the color tone of all of the printed characters | . Prevention of the generation of shading based on differences in the number of strokes in the characters | . Others | |||||
| B41J7/34-7/34@Z;7/48;7/48@B-7/68;7/90 | DA | DA00 TYPES OF PRINTED CHARACTER CARRIERS |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 |
| . Daisy wheels | . Badminton cups | . Golf balls | . Wheels that do not move left and right | . Wheels that move left and right | . Wheels that carry over to the next row | . . Print wheels characterized by the arrangement of characters | . . Carriers having print wheels that do not carry over to the next row | . Drums | . Others | |||
| DB | DB00 CHARACTER SELECTION MEANS |
DB01 | DB02 | DB03 | DB04 | DB06 | DB07 | DB08 | ||||
| . Halting of selection | . . Use of control by direct-current motors | . . . Motors with digital control | . . . Motors that switch over between digital and analog control | . . Control of pulse motors | . . . Motors with speed adjusted for the distance from the target | . . . Motors that control and fine-tune pulse wave forms | ||||||
| DB12 | DB13 | DB14 | DB15 | DB16 | DB17 | DB19 | DB20 | |||||
| . . Print wheel fastening claws | . . . Variants characterized by the shape of the claws | . . . . Variants characterized by the relationship with the print wheel shaft | . . . . Variants characterized by the fastening claw operational mechanisms | . . Ratchet and gear structures | . . . Structures that apply springs and elastic force | . . Relationships between ratchets and gears and fastening claws | . . . Structures that apply springs and elastic force | |||||
| DB21 | ||||||||||||
| . Flying types | ||||||||||||
| DC | DC00 OBJECTIVES |
DC01 | DC02 | DC03 | DC04 | DC05 | DC06 | DC07 | DC10 | |||
| . Accuracy of the type or die selection | . High speed of type or die selection progress | . . Countermeasures to reduce hunting | . Reset and initialization of print wheels | . Reduction of costs and the number of parts | . Achievement of compactness and light weight | . Ease of assembly | . Others | |||||
| DD | DD00 ASSOCIATION WITH OTHER MECHANISMS |
DD01 | DD02 | DD05 | ||||||||
| . Interlocking with carriage return | . Interlocking with paper feed | . Others | ||||||||||
| DE | DE00 HANDLING OF TYP[E OR DIE SELECTION DATA |
DE01 | DE02 | DE03 | DE04 | DE05 | DE08 | |||||
| . Exchange and switchover of memory corresponding to the exchange of types or dies | . Mechanisms that automatically recognize the exchange of types or dies | . Recognition of the amount of space between characters | . Recognition of the hammer impact of each character | . Control of character data by upper mechanisms | . Others |