Image suppressed superheterodyne receiver

• US 2,964,622 A
• Filed: 10/21/1957
• Issued: 12/13/1960
• Est. Priority Date: 10/21/1957
• Status: Expired due to Term

• Current Assignee: Philip Fire
• Original Assignee: Philip Fire
• Inventors: Fire, Philip
• Application Number:
  US03/691,410
• Time in Patent Office: 1,149 Days
• US Class Current: 455/302
• CPC Class Codes: H03D 7/165 at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature combined with amplitude demodulation H03D1/2245, combined with angle demodulation H03D3/007; N-path filters H03H19/002
• CPC Class Codes: H03D 7/18 Modifications of frequency-changers for eliminating image frequencies H03D7/16 takes precedence

Claims