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Class Information
Number: 369/18
Name: Dynamic information storage or retrieval > Optical reading of mechanical record
Description: Subject matter including retrieval by optical sensing of a mechanically recorded track.

Patents under this class:

Patent Number Title Of Patent Date Issued
7982000 Composition comprising various proteorhodopsins and/or bacteriorhodopsins and use thereof Jul. 19, 2011
7660208 Equipment for the optical playback of analog phonographic records Feb. 9, 2010
7345975 Metrological digital audio reconstruction Mar. 18, 2008
7334244 Flexible flat cable and disk drive using the same Feb. 19, 2008
7330414 Method for reconstruction of phonograph records from physical measurement Feb. 12, 2008
7120616 Method for specifying, executing and analyzing method sequences for recognition Oct. 10, 2006
7042811 Frictionless, non-destructive playback system for cylinder recordings May. 9, 2006
6938121 Disk storage system having an electronic circuit mounted on the surface of the disk and control method thereof Aug. 30, 2005
6829207 Method for reconstruction of phonograph records from physical measurement Dec. 7, 2004
6647327 System and method for data exchange in a vehicle multimedia system Nov. 11, 2003
6385255 Coding system and method for partial response channels May. 7, 2002
5774583 Information reproducing device for reproducing multimedia information recorded in the form of optically readable code pattern, and information recording medium storing multimedia information i Jun. 30, 1998
5668970 Method and apparatus for generating a file allocation table for a storage medium with no file allocation table using file storage information Sep. 16, 1997
5477510 Optical disc playback and display apparatus Dec. 19, 1995
5365502 Optical disc player having a resume function Nov. 15, 1994
5278811 Magneto-optic recording and playback system Jan. 11, 1994
5195083 Disc-shaped recording medium capable of recording data signals by means of light beam Mar. 16, 1993
4972344 Dual beam optical turntable Nov. 20, 1990
4870631 Optical turntable system with reflected spot position detection Sep. 26, 1989
4821250 Process and apparatus for the recording of an information signal Apr. 11, 1989
4743089 Photoelectric optical fiber reading apparatus May. 10, 1988
4710912 Air cushion-optical data read head Dec. 1, 1987
4504934 Optical signal reproducing apparatus Mar. 12, 1985
4378491 Optical apparatus for sensing information from a phonograph record for controlling spacing and tracking of the pick-up relative to the record Mar. 29, 1983
4363118 Sound carrier amplitude measurement system Dec. 7, 1982
RE30723 Disc phonograph record playback by laser generated diffraction pattern Aug. 25, 1981
4216357 Optical play-back system for recorded signals with oscillating beam Aug. 5, 1980
4152726 Record disk and method for producing the same with constant width groove May. 1, 1979
4150398 Linear method of optically recording a video or other signal Apr. 17, 1979
3992593 Disc phonograph record playback by laser generated diffraction pattern Nov. 16, 1976
3941945 Signal playback system transducer with optical resonance cavity Mar. 2, 1976

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