Ads
related to: magnetic reading foundations program components
Search results
Results from the WOW.Com Content Network
When reading, the magnetized material rotates past the heads, the ferrite core concentrates the field, and a current is generated in the coil. In the gap the field is very strong and quite narrow. That gap is roughly equal to the thickness of the magnetic media on the recording surface. The gap determines the minimum size of a recorded area on ...
The computer included a Teletype Model 33 ASR, used for entering or modifying programs, as well as reading memory contents. Two RS-232 serial ports allowed, on the other hand, the use of devices such as dot matrix printers. Although the second serial port (RS232-B) didn't have assigned functions on the original system, it could be used to ...
Magnetic storage media, primarily hard disks, are widely used to store computer data as well as audio and video signals. In the field of computing, the term magnetic storage is preferred and in the field of audio and video production, the term magnetic recording is more commonly used. The distinction is less technical and more a matter of ...
For the small size applications, correlated magnets can be used in positioning devices, consumer electronics, magnetic couplings, and vehicle attachment. [4] Potential applications include attach and release work-holding mechanisms, magnetic separators, fluid seals and valves, motor and motion control, factory automation, prosthetics, security devices, and power generation.
Two key inventions led to the development of magnetic core memory in 1951. The first, An Wang's, was the write-after-read cycle, which solved the problem of how to use a storage medium in which the act of reading erased the data read, enabling the construction of a serial, one-dimensional shift register (of
A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, generators, inductors, loudspeakers, magnetic recording heads, and magnetic assemblies.
The magnetic field lines are indicated, with their direction shown by arrows. The magnetic flux corresponds to the 'density of field lines'. The magnetic flux is thus densest in the middle of the solenoid, and weakest outside of it. Faraday's law of induction makes use of the magnetic flux Φ B through a region of space enclosed by a wire loop.
An EMF meter is a scientific instrument for measuring electromagnetic fields (abbreviated as EMF). Most meters measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields), essentially the same as a radio antenna, but with quite different detection characteristics.
Ads
related to: magnetic reading foundations program components