Patent · US Expired

Movable half mirror having a movable prompter for TV camera

US5721586A · kind A · utility

19Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1995
Grant dateFeb 24, 1998
Priority date
Expiry dateNov 8, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N7/144
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention is a prompter for TV camera allowing it to easily mount a half mirror on a manuscript display with an image memory. The apparatus comprises a support plate swingably supporting the half mirror, operating knobs for securing the half mirror at its operating position and retracted position, and a light shield for shielding the half mirror therearound when the half mirror is positioned in front of the lens assembly, and being foldable. The support plate is mounted on the display unit by mating the half hinges, or by coupling with magnets. When the half mirror is inclined by 45.degree. to its operating position, the image of manuscript is displayed on the half mirror. In retracting, the half mirror is moved to the retracted position and the light shield can be folded.

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