首页> 外国专利> Phase-coupled clock signal generator and character generator comprising such a phase-coupled clock signal generator

Phase-coupled clock signal generator and character generator comprising such a phase-coupled clock signal generator

机译：相位耦合时钟信号发生器和包括该相位耦合时钟信号发生器的字符发生器

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摘要

A phase-coupled clock signal generator comprises a start-stop oscillator (1) to which a control signal is applied. The clock frequency is dependent on an adjusting value (F). For adjusting and monitoring the clock frequency, the clock signal generator is provided with a counter (2). This counter counts the number of received clock pulses during a predetermined period and generates a corresponding counting value (C). A control circuit (3) compares the counting value (C) with a reference value and adapts the adjusting value (F). Such a clock signal generator is suitable for On Screen Display applications in a television receiver.

机译：相位耦合的时钟信号发生器包括施加有控制信号的起停振荡器（ 1 ）。时钟频率取决于调整值（F）。为了调整和监视时钟频率，时钟信号发生器配有计数器（ 2 ）。该计数器在预定时间段内对接收到的时钟脉冲的数量进行计数，并生成相应的计数值（C）。控制电路（ 3 ）将计数值（C）与参考值进行比较，并调整调整值（F）。这种时钟信号发生器适用于电视接收机中的屏幕显示应用。 展开▼

著录项

公开/公告号US8451968B2

专利类型

公开/公告日2013-05-28

原文格式PDF

申请/专利权人 JOSEPHUS A. A. DEN OUDEN;
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申请/专利号US20020211895

发明设计人 JOSEPHUS A. A. DEN OUDEN;
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申请日2002-08-02

分类号H04L7/00;

国家 US

入库时间 2022-08-21 16:44:12

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