Self tracking tuner

• US 4,334,323 A
• Filed: 09/08/1980
• Issued: 06/08/1982
• Est. Priority Date: 09/08/1980
• Status: Expired due to Term

• Current Assignee: Zenith Radio Corporation
• Original Assignee: Zenith Radio Corporation
• Inventors: Moore, Frederic J.
• Primary Examiner(s): Richardson, Robert L.
• Application Number:
  US06/184,719
• Time in Patent Office: 638 Days
• Field of Search: 358/191.1, 455/179, 455/184, 455/186, 455/195, 455/197
• US Class Current: 455/179.1
• CPC Class Codes: H03J 1/0008 using a central processing unit, e.g. a microprocessor digital tuning in general H03J5/0245
• CPC Class Codes: H03J 2200/29 Self-calibration of a receiver
• CPC Class Codes: H03J 3/32 Arrangements for ensuring tracking with variable capacitors
• CPC Class Codes: H03J 5/0281 the digital values being held in an auxiliary non erasable memory

Claims