发明公开
EP0175434A2 Apparatus for generating television synchronizing signals 失效
用于产生电视同步信号的装置。

  • 专利标题: Apparatus for generating television synchronizing signals
  • 专利标题(中): 用于产生电视同步信号的装置。
  • 申请号: EP85302663.1
    申请日: 1985-04-16
  • 公开(公告)号: EP0175434A2
    公开(公告)日: 1986-03-26
  • 发明人: Luke, Rylan D.
  • 申请人: AMPEX CORPORATION
  • 申请人地址: 401 Broadway M.S. 3-35 Redwood City California 94063-3199 US
  • 专利权人: AMPEX CORPORATION
  • 当前专利权人: AMPEX CORPORATION
  • 当前专利权人地址: 401 Broadway M.S. 3-35 Redwood City California 94063-3199 US
  • 代理机构: Horton, Andrew Robert Grant
  • 优先权: US604793 19840427
  • 主分类号: H04N9/45
  • IPC分类号: H04N9/45
Apparatus for generating television synchronizing signals
摘要:
A signal generator for generating a clocked PAL reference video signal from a single signal source. A counter-divider (30) extracts subcarrier frequency component from the PAL reference video signal and a frequency changer (34) in combination with a counter-divider (38) extracts a horizontal frequency component from the PAL reference video signal.
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