When.com Web Search

  1. Ads

    related to: damage free projector screen hangers near me

Search results

  1. Results From The WOW.Com Content Network
  2. Mills James - Wikipedia

    en.wikipedia.org/wiki/Mills_James

    Mills James is a creative media production company in Columbus, Cleveland and Cincinnati, Ohio that creates and produces broadcast programming and documentaries, corporate and institutional video and film projects, infomercials, television commercials, digital signage and corporate meetings and special events.

  3. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    A grey screen may thus succeed almost as well in delivering a bright-looking image, or fail to do so in other circumstances. Compared to a white screen, a grey screen reflects less light to the room and less light from the room, making it increasingly effective in dealing with the light originating from the projector. Ambient light originating ...

  4. Flicker-free - Wikipedia

    en.wikipedia.org/wiki/Flicker-free

    Flicker-free is a term given to video displays, primarily cathode-ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker.For televisions, this involves operating at a 100 Hz or 120 Hz hertz field rate to eliminate flicker, compared to standard televisions that operate at 50 Hz (PAL, SÉCAM systems) or 60 Hz (), most simply done by displaying each ...

  5. Window film - Wikipedia

    en.wikipedia.org/wiki/Window_film

    Switchable films can be switched from opaque to clear by a safe voltage under 36V AC. In its opaque state, it can be perfectly used as a projection screen that is viewable from both sides. 3G switchable film also has UV (100%) and IR (94%) blocking functions and security function. Graphic design films are generally colored vinyl or frosted.

  6. Bell & Howell - Wikipedia

    en.wikipedia.org/wiki/Bell_&_Howell

    The Kinodrome 35-mm projector mechanism, introduced in 1907, steadied projected images and reduced the flicker that can occur during motion-picture projection. [4] The 35-mm perforator, introduced in 1910, set the standard throughout the industry as to the expected distance and width of the sprocket holes running on each side of the 35-mm film ...

  7. Overhead projector - Wikipedia

    en.wikipedia.org/wiki/Overhead_projector

    An overhead projector works on the same principle as a slide projector, in which a focusing lens projects light from an illuminated slide onto a projection screen where a real image is formed. However some differences are necessitated by the much larger size of the transparencies used (generally the size of a printed page), and the requirement ...