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Browse by Category: Main > Information Technology
Class Information
Number: 369/132
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Mechanical modification or sensing of storage medium > With electrical information signal processing > Recording
Description: Subject matter limited to signal processing for storing information.










Sub-classes under this class:

Class Number Class Name Patents
369/133 With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter) 31


Patents under this class:

Patent Number Title Of Patent Date Issued
7515520 Recording apparatus and liquid ejecting apparatus Apr. 7, 2009
7408634 Automated imaging with phosphorescent imaging targets Aug. 5, 2008
5285439 High density ced data storage Feb. 8, 1994
4918678 Disc reproducing system for compensating mechanical imperfections Apr. 17, 1990
4881217 Method of making optically recorded information medium by exposure to ultraviolet light Nov. 14, 1989
4821250 Process and apparatus for the recording of an information signal Apr. 11, 1989
4802156 Cutting machine for pits on CD master Jan. 31, 1989
4663753 Recording medium and method of making the same May. 5, 1987
4525827 Apparatus for removing a cut chip by suction Jun. 25, 1985
4488283 Epoxy resin Dec. 11, 1984
4488282 Damping material Dec. 11, 1984
4484320 Apparatus and method for cutting information into a metallic record carrier Nov. 20, 1984
4477892 Surface acoustic wave device having a pyramid shaped tip for recording video information on a substrate Oct. 16, 1984
4453242 Surface acoustic wave cutterhead for disc recording having a circular transducer Jun. 5, 1984
4434481 Traveling wave surface acoustic wave transducer Feb. 28, 1984
4402072 Video disc mastering using gimballed air puck Aug. 30, 1983
4359768 Vertical tracking angle meter Nov. 16, 1982
4357633 Engraving apparatus and method Nov. 2, 1982
4349902 Piezoelectric transducer for recording video information Sep. 14, 1982
4348754 Digital delay for high quality audio use Sep. 7, 1982
4317192 Head suspension velocity control apparatus for electromechanical recorder Feb. 23, 1982
4310915 Dual parallelogram cutterhead suspension apparatus Jan. 12, 1982
4295216 Apparatus for measuring the characteristics of a wideband electromechanical recording system having a transformer Oct. 13, 1981
4281407 Surface acoustic wave pickup and recording device Jul. 28, 1981
3946149 Apparatus for embossing information on a disc Mar. 23, 1976
3938810 Center hole formation in an information storing disc Feb. 17, 1976











 
 
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