会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 23. 发明授权
    • Comb filter
    • 梳子过滤器
    • US4734662A
    • 1988-03-29
    • US009806
    • 1987-02-02
    • Masaaki IzumidaSinya NakaiAkira Ohashi
    • Masaaki IzumidaSinya NakaiAkira Ohashi
    • H03H3/00H03H7/46H03H9/05H03H9/36H03H7/01
    • H03H7/46H03H9/36
    • A comb filter for a television receiver set for separating a video signal into a color signal and an intensity signal has a single support with fixed holders for keeping a solid delay line circuit and a related process circuit in place. The holders have grooves or slits for accepting said solid delay line circuit and said process circuit. The process circuit has some adjustable electronic components which are adjusted by using a laser beam or sandblast so that dip frequency of the filter is adjusted. The adjustment is carried out before the filter is mounted on a television set so that no adjustment is necessary after the filter is mounted on the television set.
    • 用于将视频信号分离为彩色信号的电视接收机的梳状滤波器和强度信号具有用于保持固体延迟线电路和相关的处理电路的固定保持器的单个支架。 支架具有用于接收所述固体延迟线电路和所述处理电路的凹槽或缝隙。 处理电路具有通过使用激光束或喷砂来调节的一些可调节的电子元件,从而调节滤波器的下降频率。 在将滤波器安装在电视机上之前进行调节,使得在将滤波器安装在电视机上之后不需要调整。