Method and apparatus for connecting a cable television system to a video cassette recorder

• US 4,316,217 A
• Filed: 12/01/1980
• Issued: 02/16/1982
• Est. Priority Date: 03/26/1979
• Status: Expired due to Term

• Current Assignee: Jerome C. Rifken
• Original Assignee: Jerome C. Rifken
• Inventors: Rifken, Jerome C.
• Primary Examiner(s): Richardson, Robert L.
• Assistant Examiner(s): Coles, Edward L.
• Application Number:
  US06/211,577
• Time in Patent Office: 442 Days
• Field of Search: 358/86, 455/9, 455/6, 455/3, 455/286, 513/174, 360/33
• US Class Current: 725/151
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 7/10 Adaptations for transmission by electrical cable H04N7/12 takes precedence

Abstract

Apparatus for connecting a cable television system utilizing a multi-channel converter having a preselector switch and a preselected converter very high frequency output signal to a video cassette recorder and/or a television receiver. The apparatus includes an input for receiving the signals transmitted by the cable system; first and second conduits defining first and second flow paths, with the converter being disposed in the first flow path; a trap disposed in the second flow path for eliminating the preselected converter output signal from the signals transmitted by the cable system and passing through the second flow path; and a device for combining the preselected converter output signal in the first flow path and the signals transmitted through the second flow path and for transmitting the combined signal to the video cassette recorder and/or television receiver.

Claims

1. Apparatus for connecting a cable television system utilizing a multi-channel converter having a preselector switch and a preselected converter very high frequency output signal to a television receiver comprising:

input means for receiving a plurality of very high frequency television signals transmitted by said cable television system;

means for directing said transmitted signals through first and second conduits defining respectively first and second signal flow paths, with said converter box being disposed in said first flow path;

trap means including an output provided in said second flow path for eliminating said preselected converter output signal from the very high frequency signals transmitted by said cable television system;

means connected to said first and second conduits for combining said preselected converter output signal and the very high frequency signals transmitted from the ouput of said trap means and for transmitting said combined signals to a television receiver.

2. Apparatus in accordance with claim 1 further including second trap means for receiving said preselected converter output signal for removing any additional very high frequency signals carried with said selected converter output signal.