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    • 2. 发明授权
    • Reconfigurable remote control transmitter
    • 可重构遥控发射机
    • US4825200A
    • 1989-04-25
    • US66853
    • 1987-06-25
    • Benjamin F. EvansPeter H. HaagenPaul J. Pempsell
    • Benjamin F. EvansPeter H. HaagenPaul J. Pempsell
    • H01H9/02H03J1/00H04B1/20H04B9/00H04N5/44
    • H03J1/0025H04B1/202H01H9/0235H03J2200/25
    • A reconfigurable remote control transmitter can be used with a plurality of remotely controlled products, each of which is normally controlled with one or more signals from an associated remote control transmitter. The reconfigurable transmitter has a plurality of input keys and operates either in a Learn mode in which it may store indications of signals generated by the remote control transmitter from one or more of the products or a Run mode in which it selectively transmits stored signals in response to one or more keyed inputs. During the Learn mode a selected sequence of operations to be performed by one or more of the products in response to a first selected key sequence may be stored and during the Run mode stored signals are transmitted in a predetermined order in response to the performance of the selected key sequence to cause the selected sequence of operations to be performed.The transmitter may also include one or more timers settable to a selected data and time, which may be utilized to control the transmitting of stored signals or signal sequences.Finally, a means may be provided which is operative during the Learn mode for indicating that the signal being received by the transmitter from a remote transmitter is of proper strength to permit an indication thereof to be correctly stored.
    • 可重构的遥控发射机可以与多个遥控产品一起使用,每个产品通常由来自相关联的遥控发射器的一个或多个信号控制。 可重新配置的发射机具有多个输入键并且可以在学习模式中操作,其中它可以存储由远程控制发射机从一个或多个产品生成的信号的指示,或者在其中选择性地发送存储信号的运行模式 到一个或多个键控输入。 在学习模式期间,响应于第一选择的键序列可以存储由一个或多个产品执行的所选择的操作序列,并且在运行模式期间,存储的信号响应于 选择的键序列以使所选择的操作序列被执行。 发射机还可以包括可设置成所选数据和时间的一个或多个定时器,其可以用于控制所存储的信号或信号序列的传输。 最后,可以提供在学习模式期间操作的装置,用于指示发射机从远程发射机接收的信号具有适当的强度,以允许其指示被正确存储。
    • 4. 发明授权
    • Moisture sensor
    • 水分传感器
    • US4122389A
    • 1978-10-24
    • US799225
    • 1977-05-23
    • Peter H. Haagen
    • Peter H. Haagen
    • G01N27/04G01R19/165G01R27/02
    • G01R19/16571G01N27/048G01R27/02
    • A soil moisture sensing device employs a pair of indicator lamps to indicate whether the soil is too dry, too wet, or has the correct amount of moisture. The device need employ only one transistor or one Darlington transistor pair to control both indicators. Consequently, the device is more economical to manufacture than "prior art" soil moisture sensing devices that must use two or more transistors. In the invention, too dry soil is indicated by non-conduction of the transistor with neither indicator illuminated, adequately moist soil is indicated by partial conduction with one indicator illuminated, and too wet soil is indicated by full conduction with both indicators illuminated.
    • 土壤湿度感测装置使用一对指示灯来指示土壤是否太干,太湿或具有正确的水分量。 该器件只需要一个晶体管或一个达林顿晶体管对来控制两个指示器。 因此,与必须使用两个或更多个晶体管的“现有技术”土壤湿度感测装置相比,该装置的制造更经济。 在本发明中,由于晶体管的不导通,两个指示器都未被照亮,表明是干燥的土壤,充分湿润的土壤通过一个指示器的部分传导表示,而两个指示灯都被充分传导,表明太湿的土壤。