专利汇可以提供Pattern generator专利检索,专利查询,专利分析的服务。并且PURPOSE:To realize the application of a pattern generator to a line deceleration generator, by deciding the acceleration/deceleration properties from the frequency of an oscillator and the set value of an acceleration/deceleration time setter and therefore deciding the accurate acceleration/deceleration times. CONSTITUTION:When the up-signal 11 is applied to a digital line speed generator, the output of an oscillator 1 is fed to a frequency divider 4 via a gate 2. Thus an up-down counter 8 has the up-counting. The digital input of a D/A converter 4 is coupled to the output of the counter 8, and therefore the analog output voltage 13 which gives a line speed also has a rise. The rising speed of the voltage 13 is decided from the frequency of the oscillator 1 and the value which is set to an acceleration speed setter 6 to which the dividing ratio of the frequency 4. In other words, the frequency fed to the counter 8 is constant as long as the value set to the setter 6 is constant. As a result, the rise of the voltage 13 shows a straight line.,下面是Pattern generator专利的具体信息内容。
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