Apparatus for correcting the way in which print hammers strike

Details Apparatus for correcting the way in which print hammers strike Apparatus for correcting the way in which print hammers strike

1975-01-14

1976-08-17

Skogquist, Harland S.

Printing

Selective or progressive

Printing members

B41J 926

Patent

active

039747654

ABSTRACT:
The disclosure describes a printer in which characters are moved past a sheet support on an endless belt. Hammers move from a rest position to a strike position in order to strike the characters against the sheet. The time at which the hammers are moved from their rest positions so that the characters can be accurately struck irrespective of belt speed variations by means of a strike correction circuit arrangement which includes a first sensor means positioned with respect to the endless belt for generating a synchronizing pulse in response to the movement of a reference indicator on the belt past a first predetermined position and a second sensor means associated with the endless belt for generating a check pulse in response to movement of another indicator means on the belt past a second predetermined location. A logic circuit generates a signal representing

REFERENCES:
patent: 3513774 (1970-05-01), Pawletko
patent: 3575107 (1971-04-01), McDowell
patent: 3803558 (1974-04-01), Jones

Affiliated with

Also associated with

Rating

Apparatus for correcting the way in which print hammers strike does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for correcting the way in which print hammers strike, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for correcting the way in which print hammers strike will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1480759