US PATENT SUBCLASS 400 / 50
INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER


Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

50INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER {2}
51  DF  .~> Delay of sequential character rate in programmed-control typewriter
52  DF  .~> Delay by storage of next character to be imprinted


DEFINITION

Classification: 400/50

INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER:

(under the class definition) 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.