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A Victor-brand electronic mousetrap. An electric mousetrap delivers a lethal dose of electricity when the rodent completes the circuit by contacting two electrodes located either at the entrance or between the entrance and the bait. The electrodes are housed in an insulated or plastic box to prevent accidental injury to humans and pets.
Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.
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In 1965 Victor Comptometer Corporation produced the Victor 3900, a fully electronic calculator with multiple functions, three storage registers, and a small CRT display. The unit incorporated an early MOS integrated circuit for processing and storage. The unit was designed for desktop use, but was extremely large and heavy.
English: Diagram of a mechanical mouse. Pulling the mouse turns the ball. X and Y rollers grip the ball and transfer movement. Optical encoding disks include light holes. Infrared LEDs shine through the disks. Sensors gather light pulses to convert to X and Y velocities.
In April 2019, a student at College of Saint Rose in Albany, New York pleaded guilty to destroying 66 computers in his college using a USB killer. [8] He also destroyed seven computer monitors and computer-enhanced podiums. He was sentenced to 12 months in prison, followed by a year of supervised release. He was ordered to pay $58,471 in ...
A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...
The gun-powered mouse trap proved inferior to spring-powered mousetraps descending from William C. Hooker's 1894 patent. However, the 1882 patent has continued to draw interest–including efforts to reconstruct a version of it–due to its unconventional design. [ 4 ]