Television lens shade

Details Television lens shade Television lens shade

1994-06-03

1996-06-18

Nguyen, Thong Q.

Optical: systems and elements

Glare or unwanted light reduction

Barrel end or lens mount shade

359601, 359611, 348834, 348842, G02B 2316, H04N 517

Patent

active

055284248

ABSTRACT:
A camera lens shading device is disclosed having a flexible mounting band that attaches to a camera lens shroud and shade pieces, the shade pieces being made of opaque, flexible, plastic sheet material. A top shade piece attaches to the mounting band and extends outward from above the camera lens, adjustable over a range of angles. Two side shade pieces are attached to the top shade piece and are adjustable in angle to the top piece and in lateral distance therefrom for fitting a variety of camera lens shroud widths. A hinge section is formed in the top shade piece and side shade pieces for angle adjustment, whereby each piece can be adjusted independently to obtain a desired shading effect. A visor section extends forward from the top shade piece and rear screening sections extend rearward from the side shade pieces to further control the light entering the camera lens area. When dismantled, the shade apparatus is configured into an easily portable, generally flat assembly that enables the device to be stored and transported with the lens in a lens case for mobile television production.

REFERENCES:
patent: 1905868 (1933-04-01), Hein
patent: 3564138 (1971-02-01), Harbold
patent: 4314280 (1982-02-01), Rose
patent: 4660943 (1987-04-01), Ellis
patent: 4940311 (1990-07-01), Buszek et al.
patent: 5069529 (1991-12-01), Takahashi
patent: 5101298 (1992-03-01), Lentz et al.
patent: 5181872 (1993-01-01), Green
patent: 5218474 (1993-06-01), Kirschner

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