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AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...
Most often, the power is conveyed by a roller chain, known as the drive chain or transmission chain, [1] passing over a sprocket, with the teeth of the gear meshing with the holes in the links of the chain. The gear is turned, and this pulls the chain putting mechanical force into the system.
The 1/4 inch Akai is a portable helical scan EIA and CCIR analog recording video tape recorder with two video record heads on the scanning drum. The units were available with an optional RF modulator to play back through a TV set, as well as a detachable video monitor. The Akai Electric Ltd. VTR plant was in Tokyo, Japan.
The Honda Interceptor VTR250 was sold only in the United States from 1988 to 1990, with moderate changes occurring over the three model years. With a 249 cc (15.2 cu in) four-stroke liquid-cooled DOHC V-twin engine and a six-speed transmission, VTR250 was the smallest of Honda's Interceptor line of motorcycles.
In 1999, the VTR1000F featured new silver wheels. [4]From model year 2001, Honda introduced a number of upgrades. These included increasing the tank from 16 liters (4.23 US gallons) to 19 liters (5.02 US gallons), internal modifications to the front forks, black wheels, smaller indicators, and a less extreme riding position (thanks to mildly raked clip-on bars).
When EIAJ-1 was standardized, no videocassette recorders had yet been introduced. One of the main drawbacks to the format was the need to carefully thread the end of the tape around the head drum, through a gap between the capstan and pinch roller, and around a variety of guides and tensioners.
The most common type of CVT uses a V-belt which runs between two variable-diameter pulleys. [2] The pulleys consist of two cone-shaped halves that move together and apart. The V-belt runs between these two halves, so the effective diameter of the pulley is dependent on the distance between the two halves of the pull
The propulsion system for the descent stage of the lunar module was designed to transfer the vehicle, containing two crewmen, from a 60-nautical-mile (110 km) circular lunar parking orbit to an elliptical descent orbit with a pericynthion of 50,000 feet (15,000 m), then provide a powered descent to the lunar surface, with hover time above the lunar surface to select the exact landing site.