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公开(公告)号：US4943951A
公开(公告)日：1990-07-24
申请号：US380796
申请日：1989-07-17
摘要： A liquid crystal display depth finder using a sonar transducer is provided with a plurality of input keys interfaced to a microprocessor with each input key being dedicated to a particular function or feature usable with the depth finder. The microprocessor is utilized to control the operation of the transducer and the display of the data generated thereby in accordance with the particular function or set of functions chosen by the operator and to manipulate programming stored within the depth finder which will enable a tutorial mode comprising alphanumeric information and command key indication such that an the user may determine how the machine is to properly function.
摘要翻译： 使用声纳换能器的液晶显示深度探测器设置有与微处理器相连接的多个输入键，每个输入键专用于可用于测深仪的特定功能或特征。 微处理器用于根据操作者所选择的特定功能或功能集来控制换能器的操作和显示由此生成的数据，并且操纵存储在深度探测器内的程序，这将使包括字母数字的教程模式 信息和命令键指示，使得用户可以确定机器如何正确地起作用。
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公开(公告)号：US5065371A
公开(公告)日：1991-11-12
申请号：US556830
申请日：1990-07-23
CPC分类号： G01S7/52004 , G01S15/96 , G01S7/58 , Y10S367/902
摘要： A depth finder utilizing a CPU to control the function of various components including a transducer, receiver, and a liquid crystal display, allowing a user to select between fresh and salt water operational modes as well as between English and metric display units. The CPU is controlled by a keypad and varies the rate at which stored transducer data is transferred from the receiver to the CPU such that the data is always representative of a fixed depth increment in any operational mode.
摘要翻译： 利用CPU来测量包括换能器，接收器和液晶显示器在内的各种部件的功能的测深仪，允许用户在新鲜和咸水操作模式之间以及英制和公制显示单元之间进行选择。 CPU由键盘控制，并且改变存储的传感器数据从接收器传送到CPU的速率，使得数据总是代表任何操作模式中的固定深度增量。
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