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Class Information
Number: 101/93.29
Name: Printing > Selective or progressive > Bed and platen machines > With printing type carried on rotatable member > Rotating axis parallel to print line > Hammer member movable to print member > Including electromagnetically actuated means
Description: Apparatus in which the means to move the member striking the type or print characters to perform the print action includes a solenoid or like electrical member.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4440079 |
Control system for timing hammers of impact printers |
Apr. 3, 1984 |
| 4429342 |
Impact printing device with an improved print hammer |
Jan. 31, 1984 |
| 4425844 |
Home pulse compensation for multiple speed line printer |
Jan. 17, 1984 |
| 4423675 |
Magnetic circuit and print hammer |
Jan. 3, 1984 |
| 4422377 |
Print hammer and coil assembly |
Dec. 27, 1983 |
| 4413558 |
Line printer and type carrier for use therein |
Nov. 8, 1983 |
| 4402261 |
Small impact printer with hammer mask |
Sep. 6, 1983 |
| 4398460 |
Printer |
Aug. 16, 1983 |
| 4397234 |
Electromagnetic print hammer coil assembly |
Aug. 9, 1983 |
| 4392423 |
Printing hammer driving apparatus |
Jul. 12, 1983 |
| 4389131 |
Printer with electromagnetic drive yokes |
Jun. 21, 1983 |
| 4386565 |
Printer apparatus using electromagnet |
Jun. 7, 1983 |
| 4376411 |
Print hammer limit control |
Mar. 15, 1983 |
| 4327638 |
Magnetically actuated equipment |
May. 4, 1982 |
| 4317412 |
Control system and method for testing print hammers in a high speed printer |
Mar. 2, 1982 |
| 4315297 |
Hammer drive safety device for printer |
Feb. 9, 1982 |
| 4286517 |
Printer magnetic interference prevention system |
Sep. 1, 1981 |
| 4280404 |
Printer having variable hammer release drive |
Jul. 28, 1981 |
| 4278021 |
Magnetic interference prevention system |
Jul. 14, 1981 |
| 4275653 |
Line printer system and method of operation with microprocessor control |
Jun. 30, 1981 |
| 4273041 |
Belt printer control architecture |
Jun. 16, 1981 |
| 4259903 |
Circuit arrangement for synchronizing the times of occurrence of the print hammer impact with the arrival of the print type at the print position |
Apr. 7, 1981 |
| 4254705 |
Printing magnet drive device |
Mar. 10, 1981 |
| 4242955 |
Magnetically actuated equipment |
Jan. 6, 1981 |
| 4242658 |
Magnetic actuator using modulated flux |
Dec. 30, 1980 |
| 4236447 |
Printing column number limiting device |
Dec. 2, 1980 |
| 4224589 |
Low energy magnetic actuator |
Sep. 23, 1980 |
| 4221163 |
Magnetic hysteresis driven recording element and method |
Sep. 9, 1980 |
| 4219825 |
Electric actuating device |
Aug. 26, 1980 |
| 4200043 |
Printer hammer assembly |
Apr. 29, 1980 |
| 4192230 |
Printer, provided with an impact device comprising a transducer |
Mar. 11, 1980 |
| 4189997 |
Printer |
Feb. 26, 1980 |
| 4152983 |
Printing hammer driving system |
May. 8, 1979 |
| 4129390 |
Stacked blade matrix printer heads |
Dec. 12, 1978 |
| RE29745 |
Printer |
Aug. 29, 1978 |
| 4084502 |
Electric acutating device |
Apr. 18, 1978 |
| 4083299 |
Electromagnetic striking members selectively actuated in time from alternating current power |
Apr. 11, 1978 |
| 4082035 |
High speed printer having segmented drum |
Apr. 4, 1978 |
| 4070963 |
Impact line printer |
Jan. 31, 1978 |
| 4057015 |
Bar code printing system |
Nov. 8, 1977 |
| 4046244 |
Impact matrix print head solenoid assembly |
Sep. 6, 1977 |
| 4044455 |
Method of making a printing hammer unit |
Aug. 30, 1977 |
| 4019100 |
Print hammer energizing and control circuit |
Apr. 19, 1977 |
| 4014258 |
High speed printing apparatus |
Mar. 29, 1977 |
| 3998152 |
Protection system for hammer drive circuits in impact printers |
Dec. 21, 1976 |
| 3998153 |
High frequency power integrating printer |
Dec. 21, 1976 |
| 3973487 |
High speed printer for printing non-printable characters as selectably chosen printable mates |
Aug. 10, 1976 |
| 3964592 |
Printing mechanism for printing characters |
Jun. 22, 1976 |
| 3964384 |
High speed printing mechanism |
Jun. 22, 1976 |
| 3951061 |
Label printing apparatus |
Apr. 20, 1976 |
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