Ads
related to: motorized rotating tv ceiling mount 75 inch
Search results
Results From The WOW.Com Content Network
The 'Scophony' television receiver of 1938, an advanced television receiver that used a mechanical display, was capable of displaying a 405-line picture (compatible with the then 405-line television system used in the United Kingdom) on a display that was 24-inch (60 cm) wide and 20-inch (50 cm) high. A version intended for theater audiences ...
"Motorized" refers to the fact that toy was actually propelled by a small 2xD battery powered electric motor that drove the tank's tracks, allowing the toy to move forward/reverse and turn under its own power; its movement was controlled by moving the tank commander's cupola on the top of the turret. [31]
An altazimuth mount or alt-azimuth mount is a simple two-axis mount for supporting and rotating an instrument about two perpendicular axes – one vertical and the other horizontal. Rotation about the vertical axis varies the azimuth (compass bearing) of the pointing direction of the instrument.
Most sizes of VESA mount have four screw-holes arranged in a square on the mount, with matching tapped holes on the device. The horizontal and vertical distance between the screw centres respectively labelled as 'A', and 'B'. The original layout was a square of 100mm. A 75 mm × 75 mm (3.0 in × 3.0 in) was defined for smaller displays.
A large German equatorial mount on the Forststernwarte Jena 50cm Cassegrain reflector telescope. An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis, called polar axis, parallel to the Earth's axis of rotation. [1] [2] This type of mount is used for astronomical telescopes and cameras.
Channel 75, removed from television use in 1983, was formerly used by television stations in North America which broadcast on UHF frequencies 836-842 MHz. In the United States , channels 70 - 83 served primarily as a "translator band" containing repeater transmitters to fill gaps in coverage for existing stations.