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| You are viewing a USPC Schedule. |
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| Class 369 | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
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![[List of Pre Grant Publications for class 369 subclass 1]](../as.gif) | ![[List of Patents for class 369 subclass 1]](../ps.gif) | 1 | COMBINED INDEPENDENT AUDIO SYSTEMS |
| | 2 |  Changeover between audio systems |
| | 4 | Combining signals to form composite (e.g., mixing) |
| | 5 | One of systems having plural concurrent signals (e.g., stereophonic) |
| | 6 | Radio |
| | 13.01 | STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION |
| | 13.02 | Magnetic field and light beam |
| | 13.03 |  Initializing |
| | 13.04 | Erasing |
| | 13.05 | Reading |
| | 13.1 | Three or more magnetic states |
| | 13.11 | Positioning of transducer assembly for storage or retrieval |
| | 13.12 | Relative positioning of transducer assemblies |
| | 13.13 | Integral transducers |
| | 13.14 | Magnetic field generation |
| | 13.15 |  Leakage magnetic field |
| | 13.16 | Overwriting |
| | 13.17 | Magnetic field transducer assembly |
| | 13.22 | Magnetic field generating circuit |
| | 13.24 | Light beam generation |
| | 13.25 | Overwriting |
| | 13.26 | Setting light beam power level |
| | 13.28 | Multiple light beams |
| | 13.29 | Polarized light beam |
| | 13.32 | Light beam transducer assembly |
| | 13.34 | In compact size assembly |
| | 13.35 | Specific detail of recording medium |
| | 13.36 | In protective jacket |
| | 13.37 | Tape or card |
| | 13.38 | Specific detail of layer (e.g., bias or initializing layers, etc.) |
| | 13.39 |  Plural distinct storage layers |
| | 13.4 | Plural layers having particular order |
| | 13.41 | Plural magnetic layers (e.g., recording and reproducing layers) |
| | 13.42 |  Three or more magnetic layers (e.g., recording, intermediate, and reproducing layers, etc.) |
| | 13.43 |  In-plane magnetization layer |
| | 13.44 | Exchange-coupling magnetization layer |
| | 13.45 | Rare earth or metal alloy |
| | 13.46 | Temperature or coercivity |
| | 13.47 | Magnetic domain wall |
| | 13.48 | In-plane magnetization layer |
| | 13.49 | Exchange-coupling magnetization layer |
| | 13.5 | Rare earth or metal alloy |
| | 13.51 | Temperature or coercivity |
| | 13.52 | Magnetic domain wall |
| | 13.53 | Thickness of layer |
| | 13.54 | Recording mark dimension |
| | 13.55 | Land or groove track |
| | 13.56 | STORAGE DIFFERENT FROM RETRIEVAL (E.G., OPTICAL RECORDING AND MAGNETIC REPRODUCTION) |
| | 300 | DETAIL OF OPTICAL SLIDER PER SE |
| | 14 | SIMULTANEOUS DIVERSE TYPES OF STORAGE OR RETRIEVAL |
| | 15 | ALTERNATIVE DIVERSE TYPES OF STORAGE OR RETRIEVAL |
| | 16 | MECHANICAL PRODUCTION OF OPTICAL STORAGE TRACK |
| | 17 | TRACK CONVERSION |
| | 18 | OPTICAL READING OF MECHANICAL RECORD |
| Class 360 is an integral part of this Class (Class 369), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. | ||
| Class 720 is an integral part of this class (369), as shown by the position of this box, and follows the schedule hierarchy of this class, retaining all pertinent definitions and class lines of this class. |
| | 19 | CONTROL BY TIMER OR EXTERNAL EXTRANEOUS CONDITION |
| | 24.01 | INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL |
| | 25.01 | Dictation or transcribing |
| | 26.01 | Privacy |
| | 27.01 | With access to or marking of specified location (e.g., indexing) |
| | 29.01 | Remote station |
| | 29.02 | Portable device |
| | 30.01 | Selective addressing of storage medium (e.g., programmed access) |
| | 30.02 | Novelty device (e.g., talking doll) |
| | 30.03 | Of optical storage medium |
| | 30.04 | Using recorded information indicative of storage medium contents |
| | 30.05 | Copying or editing |
| | 30.06 | Plural storage medium elements (e.g., "juke box") |
| | 30.07 | Specified contents information modification processing |
| | 30.08 | Designating particular order of contents (e.g., sequential playing back by playlist) |
| | 30.1 | Transducer movement control using recorded information indicative of location of information (e.g., track address) |
| | 30.11 | Location information correction |
| | 30.12 | Particular track portion |
| | 30.13 | Counting tracks traversed by transducer |
| | 30.15 | Multiple movement control modes |
| | 30.17 | Transducer velocity control |
| | 30.18 | Electrical information signal processing |
| | 30.19 | Copying or editing |
| | 30.2 | Plural storage medium elements |
| | 30.21 | Monitoring signal error or verification |
| | 30.23 | Buffering |
| | 30.24 | Abnormal condition or changing mode of system |
| | 30.25 | Auxiliary information |
| | 30.26 | Remote operating mode control |
| | 30.27 | Electrical control signal processing |