F-Term-List

2C480 Character spaces and line spaces in printers
B41J19/00 -19/98
B41J19/00-19/98 CA CA00
OBJECTIVES
CA01 CA02 CA03 CA04 CA05 CA06 CA07 CA08 CA09 CA10
. Pitch and spacing between characters . Pitch and spacing between lines (i.e., including number of line feeds) . Variable pitch and spacing (i.e., including number of line feeds) . . Proportional pitch and spacing . . Line alignment, left end alignment, and uniform distribution . . Printing of multiple character types . . Pitch modifications in accordance with printing heads . Dot density modifications . Carriage position control . Carriage stop position control
CA11 CA12 CA13 CA14 CA15 CA16 CA17 CA18 CA19 CA20
. Carriage speed control . Home position determination . Carriages fed at an angle . Paper feed that takes advantage of the movement of the carriage return . Paper feed with the carriage performing special movements . Two-way printing (i.e., bidirectional printing) . . Correction of errors in two-way printing . . Two-way shortest distance printing . . . Determination of the printing direction of the next line during printing . . Switchover between one-way and two-way printing
CA21 CA22 CA23 CA24 CA25 CA26 CA27 CA28 CA29 CA30
. Backlash prevention (i.e., excluding two-way printing) . Highlighted and bold printing . Half-size character printing . Incremental and sequential printing . Flying printing . Printing in the interval for carriage speed adjustment . Printing when the carriage is stopped . Deletion of characters . Visual control . Detection
CA31 CA32 CA33 CA34 CA35 CA36 CA37 CA38 CA39 CA40
. . Detection of the carriage position . . Detection of the carriage feed quantity . . Detection of the carriage speed . . Detection of the carriage feed . . Detection of the home position . . Detection of the printing position . . . Detection of the printing start position . . . Detection of the margin position . . . Detection of the printing end position . . Detection of the paper position
CA41 CA42 CA43 CA44 CA45 CA46 CA47 CA48 CA49 CA50
. . Detection of the paper feed position . . Detection of the paper feeding speed . . Detection of the motor speed . . Detection of the amount of motor shifting . . Detection of temperature and humidity . . Detection of errors . Improvement of detection precision . Noise reduction and noise prevention . Vibration control . . Controls having counterweights
CA51 CA52 CA53 CA54 CA55 CA56 CA57
. Dust prevention . Lubrication . Functioning during abnormalities . . Turning off of motors and electric power during abnormalities . Variants having multiple heads . Variants using multiple printing media (e.g., papers) . Shuttle types
CB CB00
COMPOSITIONS
CB01 CB02 CB03 CB04 CB05 CB06 CB07 CB08 CB09 CB10
. Variants having electromagnetic driving sources . . Motors . . . Pulse motors . . . Linear motors . . . Ultrasonic motors . . Plungers . . Variants having a common driving source . . . Carriage drive and paper feed drive . . . Carriage drive and ribbon feed drive . Power transmission mechanisms
CB11 CB12 CB13 CB14 CB15 CB16 CB17 CB18 CB19 CB20
. . Gear mechanisms . . . Planetary gears . . . Intermittent gears . . . Mechanisms whereby engagement of the gears can be intermittent . . . Mechanisms whereby the driving gears and trailing gears are energized and engaged . . Clutch mechanisms . . . Unidirectional rotating clutches . . . One-rotation clutches . . Cams . Electromagnetic damping devices
CB21 CB22 CB23 CB24 CB25 CB26 CB27 CB28 CB29 CB30
. Mechanical damping devices . Detent mechanisms . . Mechanisms that can be released . . Electromagnetic mechanisms . Barrier mechanisms . Elastic elements . . Coil springs . . Plate springs . . Rubber . Sensors (i.e., detectors)
CB31 CB32 CB33 CB34 CB35 CB36 CB37 CB38 CB39 CB40
. . Photosensors . . . Variants using shielding elements . . Magnetic sensor . . Encoders . . . Linear encoders . . Magnetic scales . . Potentiometers . . Switches . . Variants whereby detected objects are equipped with multiple identical sensors . . Installation of sensors
CB41 CB42 CB43 CB44 CB45
. . . Variants with variable positions for sensor installation . Counters . . Programmable counters . . Measured objects . Variants whereby materials other than carriage heads are recorded
DA DA00
CARRIAGE FEED MECHANISMS
DA01 DA02 DA03 DA04 DA05 DA06 DA07 DA08 DA09 DA10
. Belt driving mechanisms . . Belt manufacturing methods . . Belt materials . . Belt shapes . Wire driving mechanisms . . Wire manufacturing methods . . Wire materials . Ways of stretching filament bodies . . Variants whereby a belt is twisted . . Three or more pulleys
DA11 DA12 DA13 DA14 DA15 DA16 DA17 DA18 DA19 DA20
. . Filament bodies provided with an angle . . Variants whereby pulleys are arranged at an angle . Means for providing tension to filament bodies . Means for regulating the tension of filament bodies . Installation structures for filament bodies . . Installation on the pulleys and drums of filament bodies . . Installation on the frames of filament bodies . . Installation on the carriages of filament bodies . . . Variants whereby installation materials are on carriages . . Variants whereby installation elementss are on filament bodies
DA21 DA22 DA23 DA24 DA25 DA26 DA27 DA28 DA29 DA30
. . Variants using adhesion . . Variants based on screws . . Variants that push . . Variants that are engaged with the teeth of a belt . Screw shaft mechanisms . . Mechanisms formed from multiple grooves . . . Mechanisms whereby the depth of each groove varies . Screw-feeding mechanisms . . Screw and rack mechanisms . Rack and pinion mechanisms
DB DB00
CARRIAGE GUIDE MECHANISMS
DB01 DB02 DB03 DB04 DB05 DB06 DB07 DB08 DB09 DB10
. Carriage guiding means . . Means using guide shafts engaged in carriages . . Means using on guide shafts not inserted in carriages . . Means using grooves . . Others . Carriage guiding means manufacturing methods . Carriage guiding means materials . Means of attaching guiding means to carriages . . Bearings . . Rollers
DB11 DB12 DB13 DB14 DB15 DB16 DB17
. Installation of carriage guiding means to frames . . Affixing to frames . . Movable means with regard to frames . . Means using springs . . Means installed with screws . . Means installed by penetrating the frame . Means for regulating parallelism
EA EA00
MOTOR CONTROL
EA01 EA02 EA03 EA04 EA05 EA06 EA07 EA08 EA09 EA10
. Speed control . . Fixed speed control . . . Multiple fixed speeds . . . . Intermediate speeds during speed change transitions . . Acceleration control . . Deceleration control . Position control . Stop position control . Prevention of motor vibration . Prevention of undershooting and overshooting
EA11 EA12 EA13 EA14 EA15 EA16 EA17 EA18 EA19 EA20
. Handling fluctuations in the power source voltage and the electric current . Handling variations in speed . Handling print density . Handling shifting distances . . Rapid traverse when there are spaces in succession . Handling printed character selection distances or times . Handling loads . Handling sagging in filament bodies . Controls for improving response speed . Varying controls during activation
EA21 EA22 EA23 EA24 EA25 EA26 EA27 EA28 EA29 EA30
. Motor control methods . . Feedback control . . . Variants that alter gain . . Digital control . . Open-loop control . . Variants that remember speed curves . . Control by means of input current voltage or power . . Control of turning on and off . . Pulse motor control . . . Control of switching exitation as a function of conditions
EA31 EA32
. . . Retention of a specific excitation phase during stoppage . . . Control by storing specific excitation phases in memory
EB EB00
CARRIAGE FEED AND POSITION CONTROL
EB01 EB02 EB03 EB04 EB05 EB06 EB07 EB08 EB09 EB10
. Carriage position control . . Forced stopping of carriages using stoppers . . Carriage position management using counters . Carriage home position control . . Home position determination methods . . . Determination at the time of power source input or start of printing . . . Setting carriage speed at the time the home position is determined . . . Home positions at a fixed distance from a specified position . . Home positions under specified conditions . One carriage return at the time of activation
EB11 EB12 EB13 EB14 EB15
. Centering the carriage under specified conditions . Carriage return at a higher speed than when printing . Rapid traverse of the carriage when there are spaces in succession . Carriage stop position control . . Consideration of inertia
EC EC00
PRINTING CONTROL
EC01 EC02 EC03 EC04 EC05 EC06 EC07 EC08 EC09 EC10
. Printing timing signal control . . Formation of printing timing signals . . . Generation based on counters . . . Generation based on sensor output . . Variants that alter printing timing . . . Variants that alter printing timing in accordance with speed . . . Variants that cause printing timing signals to be delayed . . Variants that emit a printing timing signal after vibration convergence . . Variants that emit a printing timing signal after the completion of printed character selection . Printing position compensation
EC11 EC12 EC13 EC14 EC15 EC16 EC17
. . Compensation and alteration methods . . . Carriage positions shifted in advance for error compensation . . . Compensation and alteration by shifting data in memory . . . Compensation by management using carriage position counters . . Variants that can alter compensation values . . . Alteration of compensation values in accordance with carriage speed . . . Alteration of compensation values in accordance with temperature
ED ED00
VARIABLE PITCH CONTROL (E.G., BETWEEN CHARACTERS AND LINES)
ED01 ED02 ED03 ED04 ED05 ED06 ED07 ED08 ED09 ED10
. Control whereby the basic pitch can be altered using multiplication of a number other that a whole number . . Variants that erase accumulated errors . Control whereby the pitch is automatically set . . Variants whereby the pitch is set from the remaining number of lines and the data yet to be printed . Manual input of pitches . Determination of the feasibility of printing at a set pitch . Pitch alteration means . . Pitches altered electrically . . Pitches altered by means of sensors . . Pitches altered mechanically
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