FIELD: computer engineering.
SUBSTANCE: group of inventions relates to control of magnetic relief of magnetic materials. Device for checking magnetic relief of materials of magnetic data carriers includes field-forming system, power supply, pulse generator, first and second electronic switch, device for recording magnetic field parameters, amplitude selector, microcontroller, solenoid, matrix of multiferrod materials.
EFFECT: high quality of checking presence or absence of information on a magnetic medium.
14 cl, 8 dwg
Title | Year | Author | Number |
---|---|---|---|
DEVICE FOR RECORD DELETION FROM MAGNETIC MEDIA | 2010 |
|
RU2428749C1 |
ONBOARD DETECTOR WITH COMPENSATION FOR VARIATIONS OF MAGNETIC FIELDS | 2019 |
|
RU2710363C1 |
MATRIX MAGNETIC FIELD CONVERTER FOR STRUCTUROSCOPE | 0 |
|
SU859904A1 |
APPARATUS FOR DELETING RECORDS FROM CARRIERS ON HARD DISKS | 2010 |
|
RU2436175C1 |
MAGNETIC FIELD CONVERTER | 0 |
|
SU960686A1 |
CONTAINER DEVICE FOR EFFICIENT DESTRUCTION OF INFORMATION ON MAGNETIC CARRIERS | 2008 |
|
RU2368019C1 |
RECORD ERASER (VERSIONS) | 2007 |
|
RU2353005C1 |
MATRIX CONVERTER OF MAGNETIC FIELDS | 0 |
|
SU907483A1 |
SOLID-STATE MAGNETIC FIELD TRANSDUCER | 0 |
|
SU894623A1 |
MAGNETIC TV-TYPE FLAW DETECTOR | 0 |
|
SU1111093A1 |
Authors
Dates
2019-12-17—Published
2019-03-18—Filed