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Class Information
Number: 360/137
Name: Dynamic magnetic information storage or retrieval > Miscellaneous
Description: Subject matter not provided for above.

Patents under this class:

Patent Number Title Of Patent Date Issued
5309308 Cassette-detection device for use in magnetic tape apparatuses May. 3, 1994
5305621 Computer drive lockout device Apr. 26, 1994
5307221 Tape recorder mode switch Apr. 26, 1994
5303107 System for holding a track counter active despite power suspension in rotating disk data storage apparatus Apr. 12, 1994
5303108 Magnetic head device Apr. 12, 1994
5303109 Portable information reproducing and voice amplifying apparatus Apr. 12, 1994
5297067 Electronic hot connection of disk drive module to computer peripheral bus Mar. 22, 1994
5293625 Signal selecting circuit which selectively outputs predetermined signal to host computer compatible with plurality of computer hardware types and disk drive having such signal selecting circui Mar. 8, 1994
5291353 Recoding and/or reproducing apparatus Mar. 1, 1994
5291364 Magnetic head position measuring device Mar. 1, 1994
5285077 Magnetic recording media differentiation system and method with color sensors Feb. 8, 1994
5280398 Removable data storage drive security module with lockable write protect feature Jan. 18, 1994
5278718 Circuit for generating a disk change signal Jan. 11, 1994
5278719 Variable delay remote VCR playback controller Jan. 11, 1994
5276576 Method and device for obtaining data of tape thinness and/or hub radius of a tape reel Jan. 4, 1994
5276581 Receiving apparatus including a display for displaying the amount of unrecorded memory Jan. 4, 1994
5273179 VCR cover Dec. 28, 1993
5274506 Video recording and playback device with built-in video camera in an outer case compatible with existing tape cassette Dec. 28, 1993
5268801 Method and apparatus for effecting data transfer with high precision reference data on a rotatable storage media Dec. 7, 1993
5268809 Protection device for a computer diskette drive Dec. 7, 1993
5267115 Apparatus and method for counting tape running time of video tape recorders Nov. 30, 1993
5264973 Door opening system for an electronic household apparatus Nov. 23, 1993
5265082 Rewritable media protectable as written-once-only media and system and method for use therewith Nov. 23, 1993
5261259 Video cassette security apparatus Nov. 16, 1993
5263199 Vehicle accessory having integrally contained radio receiver and recording means Nov. 16, 1993
5260844 Mode changing over mechanism for tape player Nov. 9, 1993
5258965 Photo-magnetic disk driving apparatus Nov. 2, 1993
5257091 Optical alignment system for aligning a multiple gap tape head assembly Oct. 26, 1993
5254946 Magnetic head and disk tester with head centrally mounted on radially-moving, rotatable platform that surrounds disk Oct. 19, 1993
5243484 Cleaning cassette for cassette tape recorders Sep. 7, 1993
5243485 Tape reel assembly for electrically encoding tape relative position information Sep. 7, 1993
5241436 Magnetic disc drive apparatus Aug. 31, 1993
5237471 Integrated driving system for signal-processing devices Aug. 17, 1993
5237477 Head wiper for Bernoulli disk drive Aug. 17, 1993
5235485 Cleaning tool Aug. 10, 1993
5235486 Tape cassette for adsorbing and trapping corrosive gases Aug. 10, 1993
5231622 Method of and system for cleaning a floppy disk with an ionizing needle Jul. 27, 1993
5227926 Duplicator system manageable of life of mother tape Jul. 13, 1993
5228022 Battery operated compact disk cleaner Jul. 13, 1993
5222007 Automatic ejection system of a car stereo having a detachable grille Jun. 22, 1993
5222008 Audio signal processing apparatus which may display remaining recording or reproducing capacity Jun. 22, 1993
5218504 Disc-drive apparatus having function of preventing destruction of data Jun. 8, 1993
5216566 Floppy disk unit with liner of fibers containing inorganic oxide powder Jun. 1, 1993
5216654 Synchronizing signal switching system for synchronizing external storage devices Jun. 1, 1993
5214543 Portable audio apparatus having a power savings device May. 25, 1993
5214556 Video cassette recorder protection system May. 25, 1993
5210736 Mobile recording-medium playing apparatus May. 11, 1993
5208717 Portable information reproducing and voice amplifying apparatus May. 4, 1993
5208722 Tower system unit with angled drive bay May. 4, 1993
5208795 Cleaner unit with jet spray for information disks May. 4, 1993

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