G - Physics – 11 – B
Patent
G - Physics
11
B
352/19.6
G11B 20/18 (2006.01) G11B 27/36 (2006.01)
Patent
CA 2006128
ERROR CHECKING DEVICE IN A DIGITAL AUDIO TAPE RECORDER AND A METHOD THEREFOR ABSTRACT There is disclosed an a data error checking device for use in a digital audio tape recording system capable of checking a data error generated during data recording and reproducing by employing a four-head drum of which two magnetic heads are auxiliary error checking heads connected to a dual rotary transformer. The four-head drum to achieve the object of the invention is formed as follows; a head "b" for channel 1 (CH1) and a head "d" for a channel 2 (CH2) are mounted by forming an angle 180 degrees therebetween, and a checking head "a" for channel 1 and a checking head "c" for channel 2 are mounted also by forming the angle 180 degrees as an example. However, the channel 1 head "b" and the channel 1 checking head "a" are forming another angle 45 degrees, and the channel 2 head "d" and the channel 2 checking head "c" are also forming said another angle 45 degrees, but they are adjustable within the range from zero degree to ninety degrees, and the channel 1 checking head "a" is positioned to the backward of the channel 2 head "d" when a drum is rotating counter clockwise.
Lee Moon-Hwan
R. William Wray & Associates
Samsung Electronics Co. Ltd.
LandOfFree
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