Patent search ap:("IBM") AND inv:"HALL DAVID ALLEN" Page 1

1.

发明专利
METHOD FOR CONTROLLING THE FLIGHT TIME OF A PRINT HAMMER IN AN IMPACT PRINTER AND IMPACT PRINTER EMBODYING THE METHOD 未知

公开(公告)号：DE3171092D1

公开(公告)日：1985-08-01

申请号：DE3171092

申请日：1981-03-06

Applicant: IBM

Inventor： HALL DAVID ALLEN , OLSON GEORGE PETER

IPC: B41J1/30 , B41J9/44 , B41J9/48 , G06K15/08 , B41J9/00

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