Patent · US Expired

Tuning device

US4609894A · kind A · utility

1Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 24, 1984
Grant dateSep 2, 1986
Priority date
Expiry dateSep 24, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19679
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A tuning device has a dial drum rotatably supported in a frame, and a rheostat operatively connected to the dial drum. A knob is disposed in alignment with the dial drum. The dial drum has an outer toothing formed on the periphery thereof. A drive gear is secured to the knob, and a reduction gear train is disposed between the drive gear and the outer toothing for transmitting the rotation of the drive gear to the dial drum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.