A power driven belt provides back-up pressure for a check or similar document bearing magnetic information as the document moves past a reading transducer. The belt is resiliently urged against cylindrical bearing surfaces adjacent the transducer to provide a non-critical geometry.
申请公布号
US4260879(A)
申请公布日期
1981.04.07
申请号
US19790100589
申请日期
1979.12.05
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
GALATHA, MATTHEW J.;ROHRER, GENE D.;SQUIRES, JOHN J.