US Patent Class 360
DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  RECORDING ON OR REPRODUCING FROM AN ELEMENT OF DIVERSE UTILITY {2}
4  DF  MANUAL INPUT RECORDING
5  DF  RECORDING FOR SELECTIVE RETENTION OF A SPECIAL OCCURRENCE
6  DF  RECORDING COMBINED WITH METERING OR SENSING
7  DF  RECORDING FOR MONETARY DELAY OF AN ANALOG SIGNAL
8  DF  RECORDING FOR CHANGING DURATION, FREQUENCY OR REDUNDANT CONTENT OF AN ANALOG SIGNAL
12  DF  RECORDING OR REPRODUCING FOR AUTOMATIC ANNOUNCING
13  DF  RECORD EDITING
15  DF  RECORD COPYING {1}
18  DF  RECORDING OR REPRODUCING PLURAL INFORMATION SIGNALS ON THE SAME TRACK {2}
22  DF  SPLITTING ONE INFORMATION SIGNAL FOR RECORDING ON PLURAL DISTINCT TRACKS OR REPRODUCING SUCH SIGNAL {1}
24  DF  SPLITTING, PROCESSING AND RECOMBINING ONE INFORMATION SIGNAL FOR RECORDING OR REPRODUCING ON THE SAME TRACK
25  DF  CHECKING RECORD CHARACTERISTICS OR MODIFYING RECORDING SIGNAL FOR CHARACTERISTIC COMPENSATION
26  DF  ELECTRONICALLY CORRECTING PHASING ERRORS BETWEEN RELATED INFORMATION SIGNALS
27  DF  RECORDING OR REPRODUCING AN INFORMATION SIGNAL AND A CONTROL SIGNAL FOR CONTROLLING ELECTRONICS OF REPRODUCER {1}
29  DF  MODULATING OR DEMODULATING {1}
31  DF  MONITORING OR TESTING THE PROGRESS OF RECORDING
32  DF  CONVERTING AN ANALOG SIGNAL TO DIGITAL FORM FOR RECORDING; REPRODUCING AND RECONVERTING
39  DF  GENERAL PROCESSING OF A DIGITAL SIGNAL {10}
55  DF  GENERAL RECORDING OR REPRODUCING {8}
69  DF  AUTOMATIC CONTROL OF A RECORDER MECHANISM {3}
79  DF  RECORDER CONTROL OF AN EXTERNAL DEVICE {1}
81  DF  RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING {4}
88  DF  RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING {4}
101  DF  HEAD TRANSPORT WITH RECORD STATIONARY DURING TRANSDUCING
102  DF  FLUID BEARING HEAD {1}
104  DF  HEAD MOUNTING {4}
110  DF  HEAD {13}
131  DF  RECORD MEDIUM {4}
137  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  DISK DRIVE PACKAGING {6}
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FOREIGN ART COLLECTIONS
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FOR 109  DF  GENERAL PROCESSING OF A TELEVISION SIGNAL (360/33.1) {5}