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Class Information
Number: 400/184
Name: Typewriting machines > Having typewriter-controlled reciprocable electromagnetic drive for plural functions in same typewriter
Description: Subject matter wherein the typewriter is provided with means to actuate the operation of more than one function* thereof, each of said means including a magnetic* motor energized by electricity and movable to-and-fro in a straight line, and the actuation of each of said means being initiated by a typist who is typing on the typewriter that is being actuated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5011309 |
Ribbon drive for low cost quiet impact printer |
Apr. 30, 1991 |
| 4798485 |
Electronic typewriter with a detector switch |
Jan. 17, 1989 |
| 4743128 |
Print hammer solenoid conditioned single solenoid ribbon and tape feed system |
May. 10, 1988 |
| 4357116 |
Printer control assembly |
Nov. 2, 1982 |
| 4310256 |
Printers |
Jan. 12, 1982 |
| 4239400 |
Electronically controlled printing unit |
Dec. 16, 1980 |
| 4019617 |
Printing device |
Apr. 26, 1977 |
| 4016965 |
Matrix print head and solenoid driver |
Apr. 12, 1977 |
| 4014425 |
Recording element for a matrix printer |
Mar. 29, 1977 |
| 3995547 |
Compact flying printer |
Dec. 7, 1976 |
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