| |
 |
|
Class Information
Number: 400/50
Name: Typewriting machines > Including delay means for preventing malfunction in powered typewriter
Description: Subject matter wherein a source of energy other than that supplied by a typist is used to actuate, or aid a typist to actuate, mechanism for performing first and second sequential operations on a typewriter. The typewriter having a capability of performing each of said operations in an optimum time period from the instant that each operation has been initiated by a signal, until the instant that each operation is complete, and wherein there will be a failure in proper performance of the second operation if the first operation has not reached a first predetermined stage of performance before the second operation has reached a second predetermined state of performance and wherein significance is attributed to sensing an occurrence wherein a signal to initiate the second operation has been given prematurely. As a result of such sensed occurrence, retarding the performance of the second operation to assure the first operation has reached the first stage before the second operation reaches the second stage.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5209582 |
Thermal printer |
May. 11, 1993 |
| 4995740 |
Printing device with spelling check that continues printing after a delay |
Feb. 26, 1991 |
| 4957377 |
Electronic apparatus having a printing function |
Sep. 18, 1990 |
| 4607572 |
Printer and method using automatic stacker with paper conduit jam detector |
Aug. 26, 1986 |
| 4071131 |
Electronic control system |
Jan. 31, 1978 |
| 4067430 |
Typewriter carriage movement mechanism |
Jan. 10, 1978 |
| 4023664 |
Automatic typewriter |
May. 17, 1977 |
| 4006463 |
Computer-print device code converter |
Feb. 1, 1977 |
| 3973662 |
Acceleration control system for high speed printer |
Aug. 10, 1976 |
| 3963340 |
Imaging apparatus for typewriter employing electrostatic printing process |
Jun. 15, 1976 |
|
|
|
