Patent · US Expired

Electrical circuitry support apparatus

US4894753A · kind A · utility

31Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1988
Grant dateJan 16, 1990
Priority date
Expiry dateSep 9, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S174/34
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Electrical circuitry support apparatus including a card cage having slots for removably receiving circuit boards, and a plurality of circuit boards in the slots, at least one circuit board being a high-frequency board carrying an enclosure containing a high-frequency device. The enclosure provides shielding inhibiting transmission of high-frequency signals to or from the device.

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