发明名称 Irrigation control system
摘要 Irrigation control apparatus includes a mast or masts, a soil moisture sensor or sensors associated with a lower portion of each mast, data transmission apparatus associated with an upper portion of each mast to transmit data continuously measured by the sensor, and circuitry to process that transmitted data.
申请公布号 US4396149(A) 申请公布日期 1983.08.02
申请号 US19800221519 申请日期 1980.12.30
申请人 ENERGY MANAGEMENT CORPORATION 发明人 HIRSCH, MICHAEL
分类号 A01G25/16;(IPC1-7):A01G25/16;B05B12/12 主分类号 A01G25/16
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