SU777681A1 - Method of determining absence of contact of magnetic carrier with magnetic head - Google Patents
Method of determining absence of contact of magnetic carrier with magnetic head Download PDFInfo
- Publication number
- SU777681A1 SU777681A1 SU782661117A SU2661117A SU777681A1 SU 777681 A1 SU777681 A1 SU 777681A1 SU 782661117 A SU782661117 A SU 782661117A SU 2661117 A SU2661117 A SU 2661117A SU 777681 A1 SU777681 A1 SU 777681A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- recording
- loss
- contact
- playback
- wave
- Prior art date
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- Recording Or Reproducing By Magnetic Means (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
щйх ШнимальБый завал волновой Йракте- , рйстаки зап оинвосп1роизведвн1и ;. , После этого Определ ют ве.йичину щелевых потерь по ми1НИ1М}пму волновой характеристики восПроиэведени , а также 13н ачеН|И ч а.стс)т,ных потерь sari-HCjT ивоспро зведен путем заПМОИ И последующего /воопраизведеот сигнала С фиксированной длиной Ьолльт при различных CKOpc cjax дыисженм носител 391Гйси..,, Г Полученные результаты п&.эво,л ют определ1ить контактные потери |Ирг(сст1ИТать вел1ич ину .некбитакта. н Описываемый способ, содержащий, м-еньшую , систематическую и случайную ошибки, ,а1рвьшает точность теоретйческ1их ,рас4етов етстам магнит;ной записи, а также снижает затратьгра Проведение эксперимвнт альных работ в этой р бласти. -. . , .- . V-Формула и 3 р.б р е т ё)НЙ Л Способ определени неконта1кта ,между магиитны;м носителем:И головкой, основанныйна выдел-ен и из волновой ха;раКтер.ист И1Ки процесса зalпfflcи вl0oпpakзlв.eдeни жон актных потерь, определ ющих величину еконтакта, о т л и ч, а ю щ и и с тем, что, с целью повышени точности определйин величины - еконтакта,три записи одновременно производ т пронорщио1нальное уменьшение токов записи и вьгсокача1стотного под1магн|йчивани от номинальных значений до величин, обеспечива ощих 1М1инимальные волновые потеризаписи « слойные потери, а затем при тех же услови х .экспериментально определ ют раздельно частотные потери записи и в0 Праиз1ведени и щелевые ,вОопро:из;ведеви , которые затем исключаютИз волновой характеристики запиои-воспрризведен1и . - -. Источ1ни1К)и .информации, прин тые во внимание при з кспертизе: 1. СборникУ «М.агни,тна зайись эле(стр, чврких сигналов, М., . 1967, с. 112. . . 2. Alstad John К. «А novellechnique for measuring head-tape spacihg, IEEE Trans. Magn., 1973, 9, № 3, 327-329. Shnyh ShnymalBy wave Yrakte-wave, riskaki zap oinvosp1roizvedvnni ;. After that, the value of gap loss by mi1NiM} of the reproduction wavelength is determined, as well as 13N acheN | different CKOpc cjax carrier data 391GYSI .. ,, G The results obtained & evo, they can determine contact losses | Irg theoretical rastets ettam magnesium ; Notation, and also reduces zatragra Conducting experimental work in this area. -., .-. V-Formula and 3 r. b t e) NY L Method of determining non-contact, between magical; head, based on the selected and out of the wave x; rakter. values of contact, three records simultaneously produce a pronounced reduction of the recording current and a high cost of a single input | from nominal values to magnitudes, providing a general 1M1 minimum wave loss, recording layer loss, and then, under the same conditions, the frequency loss of the record and the current and slot losses are experimentally determined separately from the wave characteristics reproduced. - -. Sources of information and information taken into account when examining: 1. Collection “M. And novellechnique for measuring head-tape spacihg, IEEE Trans. Magn., 1973, 9, No. 3, 327-329.
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782661117A SU777681A1 (en) | 1978-09-05 | 1978-09-05 | Method of determining absence of contact of magnetic carrier with magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782661117A SU777681A1 (en) | 1978-09-05 | 1978-09-05 | Method of determining absence of contact of magnetic carrier with magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
SU777681A1 true SU777681A1 (en) | 1980-11-07 |
Family
ID=20784004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782661117A SU777681A1 (en) | 1978-09-05 | 1978-09-05 | Method of determining absence of contact of magnetic carrier with magnetic head |
Country Status (1)
Country | Link |
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SU (1) | SU777681A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485323A (en) * | 1993-07-14 | 1996-01-16 | International Business Machines Corporation | Method and apparatus for moving a disk drive actuator away from a magnetic latch |
-
1978
- 1978-09-05 SU SU782661117A patent/SU777681A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485323A (en) * | 1993-07-14 | 1996-01-16 | International Business Machines Corporation | Method and apparatus for moving a disk drive actuator away from a magnetic latch |
US5754357A (en) * | 1993-07-14 | 1998-05-19 | International Business Machines Corporation | Method and apparatus for moving a disk drive actuator away from a magnetic latch |
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