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The D50 is the only entry-level Nikon DSLR to have the autofocus motor ('screw drive') built into the camera body, making the camera backwards-compatible with mechanical-drive autofocus lenses (Nikkor AF/AF-D series) dating back to 1989. This feature has been eliminated on later entry-level models and is currently only available on mid-range ...
The Roland D-50 is a synthesizer produced by Roland and released in April of 1987. Its features include digital sample-based subtractive synthesis, on-board effects, a joystick for data manipulation, and an analog synthesis-styled layout design.
The back and front of a pin-back button for World Yodel Day. A pin-back button or pinback button, pin button, button badge, or simply pin-back or badge, is a button or badge that can be temporarily fastened to the surface of a garment using a safety pin, or a pin formed from wire, a clutch or other mechanism. This fastening mechanism is ...
A push-button (also spelled pushbutton) or simply button is a simple switch mechanism to control some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. [1] The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.
The term set-back box (SBB) is used in the digital TV industry to describe a piece of consumer hardware that enables them to access both linear broadcast and internet-based video content, plus a range of interactive services like electronic program guides, pay-per-view, and video on demand as well as internet browsing, and view them on a large screen television set.
1×6 pin header (one row) 1×6 female header (one row) A pin header (or simply, header) is a form of electrical connector. A male pin header consists of one or more rows of metal pins molded into a plastic base, often 2.54 mm (0.1 in) apart, though available in many spacings. [1] Male pin headers are cost-effective due to their simplicity.
A 5-pin bowling pinsetter in use at a bowling alley in Toronto Pinsetters in operation at a bowling alley as seen from behind the lanes. In bowling, a pinsetter or pinspotter is an automated mechanical device that sets bowling pins back in their original positions, returns bowling balls to the front of the alley, and clears fallen pins on the pin deck.
The 1990 death of six-year-old Elizabeth "Betsy" Anderson, in Washington State, led to the installation of school bus crossing arms, also referred to as "Betsy Bars" or "Betsy Gates" on all Washington state school buses by 1992. [citation needed] The crossing arms, when extended, require students to cross at least 5 feet (1.5 m) in front of the bus