RESETTABLE FIXED DELAY COMMERCIAL SQUELCH CIRCUIT

• US 3,424,865 A
• Filed: 09/05/1967
• Issued: 01/28/1969
• Est. Priority Date: 09/05/1967
• Status: Expired due to Term

• Current Assignee: John F. Marchand
• Original Assignee: John F. Marchand
• Inventors: Marchand, John F.
• Application Number:
  US04/675,265
• Time in Patent Office: 511 Days
• US Class Current: 348/632
• CPC Class Codes: G04F 3/06 with electric driving mechanisms
• CPC Class Codes: H01H 43/302 of solid bodies
• CPC Class Codes: H01H 7/02 with fluid timing means
• CPC Class Codes: H03G 3/348 Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
• CPC Class Codes: H03K 17/28 Modifications for introducing a time delay before switching modifications to provide a choice of time-intervals for executing more than one switching action H03K17/296
• CPC Class Codes: Y10S 358/908 Pause control, i.e. "commercial killers"

Claims