<p>Digital data are communicated between a portable data-gathering unit and a data-receiving unit without direct electrical connection by transmitting the data over a contactless connection system. In a preferred embodiment, data flow is bidirectional.</p>
申请公布号
DE69311658(D1)
申请公布日期
1997.07.24
申请号
DE1993611658
申请日期
1993.09.14
申请人
APREX CORP., FREMONT, CALIF., US
发明人
OTIS, ALTO B., SAN FRANCISCO, CALIFORNIA 94114, US;INGRAM, DARRELL, PALO ALTO, CALIFORNIA 94301, US;PAPANEK, TOM, MENLO PARK, CALIFORNIA 94025, US
