F-Term-List

B41J2/245

AA00
LINE TYPES

AA01

AA03

AA04

AA05

AA06

AA07

AA09

. Full line types

. Shuttle line types

. . Shuttling with cam

. . Shuttling by means other than cam

. . Balancing reciprocating movement

. . . Having counterweight

. Head swinging

AA11

AA13

AA15

AA16

AA18

. Having noise prevention and heat dissipation mechanism

. Having mechanism to prevent magnetic interference

. Characterized by wire arrangement

. . Staggered pattern

. Driven separately

B41J2/235@A;2/235@Z;2/24

AB00
SERIAL TYPES

AB01

AB02

AB03

AB04

AB06

AB07

AB08

AB09

AB10

. Driving mechanism

. . By belts

. . By gears

. . Others

. Head supports

. . Pivoting support

. . Attached at a slant

. . Head swinging

. . Replaceable or detachable

AB12

AB14

AB16

AB18

AB20

. Detecting or controlling position of carriage

. Controlling speed of serial movement

. Shot impact

. Having noise prevention and heat dissipation mechanisms

. Multi-stage print heads

B41J2/235,103@A-2/235,103@Z

AC00
HEAD STRUCTURES

AC01

AC02

AC03

AC05

AC06

AC07

AC08

AC09

. Modular structures

. . Stacked units

. . Power feed terminals and printed circuit boards

. Electromagnets

. . Using air-core coils

. . Having non-magnetic layers

. . Made of stacked iron cores

. . Made of U-shaped iron cores

AC11

AC12

AC13

AC15

. Having heat dissipation mechanisms

. . Installed in contact with electromagnet section

. . Using heat dissipating fans

. Having noise prevention or vibration proof mechanisms

B41J2/25@A-2/25@Z

AD00
PRINTING WIRE

AD01

AD02

AD03

AD04

AD05

AD06

AD07

AD09

AD10

. Materials

. . Tungsten

. . Platinum metal alloys

. . Carbon steel

. . Ceramics

. . Combination of multiple materials

. . Others

. Treatments

. . Heat treatments

AD11

AD12

AD13

AD14

AD16

AD17

AD18

AD19

AD20

. . Deposition or vapor deposition

. . Plating

. . Pertaining to forming or manufacture of wire unit

. . Others

. Characterized by shape

. . Having sections with different diameters

. . . Made of combination of multiple parts

. . . Having armature bearings

. . . Having fall-off-proof for armature bearing

AD21

AD22

AD23

AD24

AD25

AD27

. . Tubular

. . Projections or pin-like

. . Characterized by cross-sectional shape

. . . Oval

. . . Polygonal

. For special applications

B41J2/265@A-2/265@Z

AE00
WIRE GUIDES

AE01

AE02

AE03

AE04

AE05

AE06

AE08

AE09

AE10

. Materials

. . Resins

. . Metals

. . Gem bearings or ceramics

. . Oil bearing

. . Undergoing hardening treatment

. Characterized by forming

. . Formed integrally

. . Consisting of separate parts

AE12

AE13

AE14

AE15

AE16

AE17

AE19

AE20

. Characterized by guide holes

. . Aligned with wire insertion angle

. . Arranged in staggered pattern

. . Holes with different diameters

. . Variable hole clearance

. . Holes communicating with each other

. Guide unit shapes

. . Shapes other than plate

AE21

AE23

AE24

AE25

AE26

AE28

. . . Tubular

. Having functions other than wire guide

. . Easy to attach and detach

. . Pressing wires

. . Others

. Controlling movements

B41J2/275;2/28

AF00
CLAPPER AND SPRING CHARGE

AF01

AF03

AF05

AF06

AF07

AF08

AF09

AF10

. Clapper types

. Spring charge types

. Electromagnets

. . Multiple electromagnets corresponding to a single printing element

. . Inclining core end face

. . Having bypass magnetic circuits or side magnetic circuits

. . Having non-magnetic layers

. . Using air-core coils

AF11

AF13

AF14

AF15

AF16

AF17

AF18

AF19

AF20

. . Ring-shaped or cup-shaped yokes

. Armatures

. . Designed for light weight or high rigidity

. . Having movable iron cores

. . Supports

. . . Supported by hinges or pressing force

. . . Supported in the center

. . . Having armature guides

. . Support springs

AF21

AF22

AF23

AF24

AF25

AF26

AF27

AF28

AF29

. . . Using springs other than leaf springs

. . . Single printing element supported by multiple leaf springs

. . . Using cross-shaped springs

. . . Formed from a single leaf spring

. . Means of returning

. . . Using springs inserted through wires

. . . Acting directly on armature

. . . Armatures having spring property

. . . Using means other than springs

AF31

AF32

AF33

AF35

AF36

AF37

AF39

AF40

. Stopper

. . Movable type

. . Having front stoppers

. Permanent magnets

. . Ring-shaped

. . Attached to parts other than yokes

. Overall structures

. . Having heat dissipation or noise-prevention mechanisms

AF41

AF42

AF43

AF44

. . Mechanisms to adjust gap between armature and electromagnet

. . . Adjustable individually

. . Using mechanisms to change amount of magnetic flux

. . Magnetic circuit individual for each print element

B41J2/285

AG00
PLUNGER

AG01

AG03

AG04

AG06

AG07

AG08

AG10

. Having buffers

. Return springs

. . Using springs that is not inserted into wires

. Electromagnet sections

. . Having multi-staged coils

. . Having permanent magnets on moving element side

. Having levers to increase variation

AG12

. Heads composed of multiple plungers

B41J2/29

AH00
MOVING COILS

AH01

AH03

AH05

AH06

AH07

AH08

AH10

. Permanent magnets on the side of wire holder

. Permanent magnets on the reverse side of wire holders

. Support springs

. . Single spring

. . Multiple springs

. . . Cross-shaped springs

. Using flat coils

B41J2/295@A-2/295@Z

AJ00
ELECTRICAL-TO-MECHANICAL CONVERSION ELEMENTS

AJ01

AJ02

AJ03

AJ04

AJ06

AJ08

AJ10

. Materials

. . Piezoelectric elements

. . Magnetostriction elements

. . Others

. Displaced along depth of element

. Displaced along length of element

. Enlarging mechanism

AJ11

AJ12

AJ13

AJ15

. . Using levers

. . Using springs

. . Others

. Mounted at different levels

B41J2/26

AK00
COUPLING STRUCTURE OF WIRE AND ARMATURE

AK01

AK02

AK03

AK04

AK05

AK06

AK07

AK09

AK10

. Means of coupling

. . Caulking

. . Soldering or brazing

. . Welding

. . Wires having armature bearing

. . . Having fall-off-proof

. . Wire holder fixed to armature

. Armatures

. . Plate-like unit

AK11

. . Box-shaped

B41J2/305

AL00
INK SYSTEMS

AL01

AL02

AL03

AL04

AL05

AL06

AL08

AL09

AL10

. Ink feeding

. . Ink circulation

. . Having ink cleaning mechanisms

. . Feeding ink when print head comes to a specific position

. . Feeding to ink reservoirs

. . Feeding to ink-impregnating unit

. Forms of ink

. . Ink mists

. . Toners

AL11

AL12

AL14

AL15

AL16

AL18

AL20

. . Magnetic ink

. . Others

. Wire

. . Ink pens or tubular wires

. . Having balls or grooves

. Preventing ink from solidifying

. Preventing ink from contaminating front side of head

B41J9/46;9/50;9/52

BB00
PRINT TIMING

BB01

BB03

BB05

BB07

BB08

BB09

BB10

. Print timing control

. Flight time control

. Hammer hitting power control

. Conditions to be compensated

. . Current or voltage fluctuation

. . Paper thickness variation

. . Temperature fluctuation

BB11

BB12

BB14

BB15

BB16

BB17

BB18

BB20

. . Change with each typeface

. . Others

. Detection

. . Using piezoelectric elements

. . Using current or voltage measurement

. . Using print signal counting

. . Others

. Processing

BB21

BB22

BB23

BB24

BB25

. . Setting for each hammer

. . Changeable set values

. . Driven separately

. . Printing up to a set number of lines

. . Limiting simultaneous hammer hitting

B41J9/54

BC00
NORMAL HAMMER HITTING DETECTION

BC01

BC02

BC03

BC04

BC06

BC07

BC08

BC09

BC10

. Detection

. . Using piezoelectric elements

. . Using current or voltage measurement

. . Others

. Subject of detection

. . Erroneous printing

. . Echo printing

. . Eddy current

. . Flight time

BC11

. . Hammer damage or failure

B41J9/12

BD00
MULTIPLE HAMMERS SHIFTING

BD01

BD03

BD05

BD07

BD09

BD10

. Single hammer corresponding to multiple typefaces

. Electromagnet section and hammer section shifting individually

. Hammers driven separately

. Having multiple rows of hammers

. Drive sources for shifting

. . Electromagnets

BD11

BD12

BD14

. . Cam

. . Belt

. Detecting head position

B41J9/127

BE00
INSTALLATION OF HAMMERS

BE01

BE02

BE03

BE04

BE05

BE07

BE08

BE09

BE10

. Mounted parts

. . Print hammers

. . Push rods

. . Actuators

. . Hammer carriages

. Supports

. . Using grooves

. . . Support enabling sliding

. . Fixed

BE11

BE12

. . Turnable

. . Using convexities and concavities for engagement

B41J9/133

BF00
HAMMER STRUCTURES

BF01

BF02

BF03

BF04

BF06

BF07

BF08

BF10

. Materials

. . Print hammers

. . Push rods

. . Actuators

. Shapes

. . Having shapes that match object to print on

. . Bar-shaped or roller-shaped

. Characterized by manufacturing method

BF12

BF13

. Consisted of multiple parts

. . Used for hitting plane

B41J9/24

BG00
ELECTROMAGNETIC RELEASING TYPES

BG01

BG03

BG04

BG06

BG08

BG10

. Hammers in form of spring unit

. Hammers suspended by spring unit

. . Having rotary cams

. Double coil

. Having mechanisms to change or uniformize magnetic flux

. Adjustable hammer position

B41J9/32

BH00
SNATCH ROLLERS

BH01

BH02

BH03

BH04

BH05

BH06

BH07

. Ratchet wheels

. . Cam type

. . Gear type

. . Inner groove type

. . Multiple hammers corresponding to a single ratchet wheel

. . . Hammers moving independently

. . Directly engaged with print hammer

B41J9/44@Z

BJ00
ELECTRICAL CIRCUITS TO DRIVE HAMMERS

BJ01

BJ02

BJ03

BJ05

BJ07

BJ09

. Rise adjustment

. . Using capacitors

. . Using resistors

. Having constant current circuits

. Protecting against eddy current

. Driving separately

BJ11

BJ13

BJ14

BJ16

BJ18

BJ20

. Controlling flight time

. Damping hammer vibration

. . Using forward current

. Controlling hammer hitting power

. Controlling conduction time

. Counting number of print lines

BJ22

BJ24

BJ26

. Having mechanisms to prevent magnetic interference

. Detecting failure of hammers

. Warming up

B41J9/38@D

BK00
MOVING COILS

BK01

BK03

BK05

BK06

BK07

BK08

BK10

. Having permanent magnets on the reverse side of hammer unit

. Having permanent magnets on the side of hammer unit

. Support springs

. . Single-leaf spring

. . Multiple springs

. . . Cross-shaped springs

. Using flat coil springs

B41J9/38@E

BL00
PLUNGER

BL01

BL03

BL04

BL06

BL07

BL08

BL10

. Having buffers

. Return springs

. . Using springs which hammers do not pass through

. Electromagnet sections

. . Having multi-staged coils

. . Having permanent magnets on moving element side

. Having levers to increase variation

BL12

BL14

. Having ball bearings

. Characterized by manufacturing method or materials

B41J9/42

BM00
REBOUND PREVENTION MECHANISMS

BM01

BM03

BM05

BM07

BM08

BM09

BM10

. Operating when pressed

. Operating while returning

. Operating at all times

. Materials

. . Rubber or resins

. . Metals

. . Electromagnetic means

BM11

BM13

BM15

BM17

BM18

BM19

. . Using combinations

. Adjustable

. Built into hammer unit

. Purpose of operation

. . Reduction of energy

. . Holding and attraction of hammers

2C063	IMPACT PRINTERS
	B41J2/235 -2/25@Z;2/26-2/295@Z;2/305;9/00-9/54