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1. 发明授权

US5321344A Control circuit for model railroads 失效
标题翻译：型号铁路控制电路
公开(公告)号：US5321344A
公开(公告)日：1994-06-14
申请号：US877727
申请日：1992-04-04
申请人： Kenneth Ott , David Ott
发明人： Kenneth Ott , David Ott
IPC分类号： A63H19/24 , H02P7/00 , H02P7/74
CPC分类号： A63H19/24 , H02P7/04
摘要： A control circuit for a model railroad utilizes a digital counter to control the modes of motor operation. To select a mode of operation a switch is used to repeatedly ground the base of a transistor circuit, causing pulses to be sent to a counter. By using the switch to hold the base of the transistor to ground, the counter sequencing is locked and prevented from further sequencing until the track power is turned off for a defined minimum amount of time. Release of this switched ground places the circuit under track control where short power interrupts cause the counter to sequence to the next count and therefore to sequence the modes of motor operation.
摘要翻译：用于模型铁路的控制电路利用数字计数器来控制电机操作的模式。为了选择一种操作模式，开关用于重复接地晶体管电路的基极，使脉冲发送到计数器。通过使用开关将晶体管的基极保持接地，计数器排序被锁定并防止进一步排序，直到轨道功率关闭达定义的最小时间量。释放这个开关地面使电路处于跟踪控制状态，短电源中断使计数器顺序到下一个计数，因此对电机运行模式进行排序。

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