visual basic analogue
51History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
52Technology of television — The technology of television has changed since its early days using a mechanical system invented by Paul Gottlieb Nipkow in 1884.Elements of a television system , 1957 1. power switch / volume 2. brightness 3. pitch 4. vertical synchro 5.… …
53SECAM — SECAM, also written SÉCAM (Séquentiel couleur à mémoire,[1] French for Sequential Color with Memory ), is an analog color television system first used in France. A team led by Henri de France working at Compagnie Française de Télévision (later… …
54Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
55Sky News — Launched 5 February 1989 Owned by British Sky Broadcasting Picture format 576i (SDTV 16:9) 1080i (HDTV) International …
56radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
57Videoconferencing — See also: List of video telecommunication services and product brands A Tandberg T3 high resolution telepresence room in use (2008) …
58Acorn Electron — The Acorn Electron is a budget version of the BBC Micro educational/home computer made by Acorn Computers Ltd. It had 32 kilobytes of RAM, and its ROM included BBC BASIC along with its operating system.The Electron was able to save and load… …
59Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …
60HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …
