发明名称 |
Microwave data transmission apparatus |
摘要 |
A microwave data transmission apparatus adapted to transmit and receive information by microwaves, which the identification tag is made smaller in size and lighter in weight to considerably improve the convenience in setting operation for use in many applications, can be applied for the production control within the factory or the control for entering and leaving the room by a person having an identification tag.
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申请公布号 |
US4926182(A) |
申请公布日期 |
1990.05.15 |
申请号 |
US19870055363 |
申请日期 |
1987.05.29 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
OHTA, TOMOZO;NAKANO, HIROSHI;HIGASHI, KAZUTADA;YAMAMOTO, HIROHIKO |
分类号 |
G01S13/76;G01S13/78;G01S13/82;G06K7/00;G06K19/07;G07C3/00;G07C9/00 |
主分类号 |
G01S13/76 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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