All-channel television tuning system

  • US 4,598,425 A
  • Filed: 02/09/1984
  • Issued: 07/01/1986
  • Est. Priority Date: 02/09/1984
  • Status: Expired due to Term
First Claim
Patent Images

1. An all-channel television tuner comprising:

  • a high frequency section tunable over a first range of frequencies without bandswitching in said high frequency section;

    a low frequency section tunable over a second range of frequencies with bandswitching in said low frequency section, said high frequency and said low frequency sections together spanning a continuum of television cable and air channel frequencies covering all VHF, CATV and UHF channels;

    a common input terminal in said tuner for receiving said continuum of frequencies; and

    signal diverting means for directing incoming signals from said common input terminal to appropriate ones of said sections.

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