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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 |
| | 30.28 | Plural storage medium elements |
| | 30.29 | Matching control signal |
| | 30.3 | Of information indicative of contents or particular order of contents |
| | 30.31 | For operation of storage medium gripper, accessor, or transfer member |
| | 30.32 | For record medium loading or ejecting |
| | 30.33 | For radial array positioning of unitary plural storage medium carrier |
| | 30.34 | For linear array positioning of unitary plural storage medium carrier (e.g., horizontal or vertical positioning) |
| | 30.35 | For relative positioning between storage medium elements |
| | 30.36 | Abnormal condition or changing mode of system |
| | 30.37 | Of particular order of contents |
| | 30.38 | Plural optical storage media in library system |
| | 30.39 | Modular library system |
| | 30.4 | Plural media are discs stored in cartridges |
| | 30.41 | Having specified disc rack |
| | 30.42 | Having particular removable magazine |
| | 30.43 | Having specified picker |
| | 30.45 | Picker support structure (i.e., mechanism for moving picker) |
| | 30.46 | Having specified disc drive |
| | 30.48 | Having particular mechanism or slot for transferring disc into library from outside |
| | 30.49 | Linear vertical or horizontal array |
| | 30.5 | Carousel array |
| | 30.51 | Plural media are unprotected (i.e., discs that are not in cartridges) |
| | 30.52 | Having specified disc rack |
| | 30.53 | Having particular removable magazine |
| | 30.54 | Mounting or locking magazine to library system |
| | 30.55 | Having specified picker |
| | 30.57 | Picker support structure detail (i.e., mechanism for moving picker) |
| | 30.58 | Having specified disc drive |
| | 30.6 | Having particular mechanism or slot for transferring disc into library from outside |
| | 30.61 | Linear vertical or horizontal array |
| | 30.62 | Carousel array |
| | 30.63 | Having particular cabinet |
| | 30.64 | Plural optical storage media in disc changer |
| | 30.65 | Plural media are discs stored in cartridges |
| | 30.66 | Having specified stocker or internal magazine |
| | 30.67 | Stocker or internal magazine is adjustable or movable |
| | 30.68 | Having particular removable magazine |
| | 30.69 | Mounting or locking magazine to disc changer |
| | 30.7 | Having particular internal transfer mechanism for transferring disc while disc is inside of disc changer |
| | 30.72 | Having particular internal support structure for internal transfer mechanism |
| | 30.73 | Having specified drive |
| | 30.75 | Having particular mechanism or slot for transferring disc into changer from outside |
| | 30.76 | Plural media are unprotected (i.e., discs that are not in cartridges) |
| | 30.77 | Having specified stocker or internal magazine |
| | 30.78 | Stocker or internal magazine is adjustable or movable |
| | 30.81 | Having disc reproduced while entirely in magazine |
| | 30.82 | Having disc reproduced while partially in magazine |
| | 30.83 | Having particular removable magazine |
| | 30.84 | Mounting or locking magazine to disc changer |
| | 30.85 | Having particular internal transfer mechanism for transferring disc while disc is inside of disc changer |
| | 30.87 | Having specified internal support structure for internal transfer mechanism |
| | 30.88 | Having specified drive |
| | 30.9 | Having particular mechanism or slot for transferring disc into changer from outside |
| | 31.01 | Having particular cabinet |
| | 32.01 | Specified electrical information signal processing |
| | 33.01 | Specified electrical control signal processing |
| | 35.01 | Plural nontranslating storage elements (e.g., in situ) |
| | 36.01 | Unitary plural record carrier |
| | 40.01 | By manually actuated mechanism for movement of tone arm |
| | 41.01 | Of track on single storage medium |
| | 42.01 | By mechanical linkage |
| | 43 | WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING |
| | 44.11 | Optical servo system |
| | 44.12 | Solid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.) |
| | 44.13 | Dithering or wobbling the beam or track |
| | 44.14 | Optical head servo system structure |
| | 44.15 | Elastic, flexible, pliant or spring support of lens or mirror |
| | 44.17 | Optical head element with rotary motion |
| | 44.18 | Rotary head wheel or scanner (e.g., for use with arcuate, transverse or slant tracks, etc.) |
| | 44.19 | Head element pivots on arm (e.g., optical head disc arm etc.) |
| | 44.21 | Lens or mirror pivots off center (e.g., on a shaft, etc.) |
| | 44.22 | Lens or mirror floats, (e.g., magnetic field support or lens/mirror can freely float and pivot about its own axis, etc.) |
| | 44.23 | Structure for shaping beam or causing astigmatic condition |
| | 44.25 | Servo signal compared to a reference signal |
| | 44.26 | Servo system operation related to disc structure information format |
| | 44.27 | Initialization/start-up or changing modes of system |
| | 44.32 | Means to compensate for defect or abnormal condition |
| | 44.34 | Sampling servo system |
| | 44.35 | Servo loop gain/switching control |
| | 44.37 | Plural incident beams |
| | 44.39 | Recording |
| | 44.41 | Arithmetic operation using plural photodetectors |
| | 47.1 | CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED |
| | 47.11 | Control of initiation of pause mode |
| | 47.12 | For copying |
| | 47.13 | For editing |
| | 47.14 | By medium defect indicative control signal |
| | 47.15 | Control of information signal processing channel |
| | 47.16 | Of plural interrelated channels |
| | 47.17 | For removal of unwanted signal component |
| | 47.18 | For interpolating or drop-out correcting |
| | 47.19 | For modulating or demodulating |
| | 47.2 | For multiplexing or demultiplexing |
| | 47.23 | For sequencing or switching |
| | 47.25 | For gain processing |
| | 47.26 | Within a frequency band |
| | 47.27 | Using a reproduced information of specified preformat, header, or reference area |
| | 47.28 | For phase, timing, or rate processing |
| | 47.29 | During retrieval at dynamic retrieval rate different from storage rate |
| | 47.3 | While changing of system mode or dynamic retrieval rate |
| | 47.31 | Using program or address signal |
| | 47.32 | Including static memory accessing |
| | 47.35 | For sampling, digital to analog or analog to digital converting |
| | 47.36 | Mechanism control by the control signal |
| | 47.37 | Control of spiral track spacing (e.g., signal variable pitch) |
| | 47.38 | Control of relative motion producing mechanism |
| | 47.39 | During initialization or start-up |
| | 47.4 | Responsive to change in transduced location |
| | 47.41 | Responsive to change in transduced information characteristic |
| | 47.42 | Responsive to stand-by or pause mode operation |
| | 47.43 | Having different storage and retrieval relative motion |
| | 47.44 | Responsive to abnormal condition |
| | 47.45 | By a selected relative motion error signal |
| | 47.46 | By information signal characteristic |
| | 47.47 | By program or address signal |
| | 47.48 | By synchronous signal |
| | 47.49 | Control of transducer assembly mechanism |
| | 47.55 | During initialization or start-up or changing system mode |
| | 52.1 | CONTROL STRUCTURE ON STORAGE MEDIUM SENSED BY OTHER THAN TRANSDUCER SUPPORT (E.G., CONDUCTIVE STRIP, NOTCHED EDGE SENSOR) |
| | 53.1 | CONDITION INDICATING, MONITORING, OR TESTING |
| | 53.11 | Including radiation storage or retrieval |
| | 53.12 | Having abnormal condition indicating |
| | 53.13 | Due to unwanted operational condition of record carrier |
| | 53.18 | System disturbance |
| | 53.19 | Relative transducer to medium misalignment (e.g., relative tilt) |
| | 53.2 | Of record carrier |
| | 53.21 | For protection |
| | 53.22 | By detection of storage medium incident radiation |
| | 53.24 | Having unrecorded location indicating |
| | 53.25 | Of transducer assembly mechanism |
| | 53.3 | Of relative motion producing mechanism |
| | 53.31 | Of storage or retrieval information signal |
| | 53.32 | Dropout indicating |
| | 53.33 | Unwanted signal component indicating |
| | 53.34 | Time based parameter |
| | 53.35 | Signal error correcting or detecting |
| | 53.37 | Initialization or start-up mode or changing system mode: |
| | 53.38 | Of transducer assembly mechanism |
| | 53.41 | Of record carrier |
| | 53.42 | Having abnormality condition indicating |
| | 53.43 | Of relative motion producing mechanism |
| | 53.44 | Of storage or retrieval information signal |
| | 53.45 | Initialization or start-up mode or changing system mode |
| | 59.1 | BINARY PULSE TRAIN INFORMATION SIGNAL |
| | 59.11 | Binary signal processing for controlling recording light characteristic |
| | 59.13 | Selecting from a plurality of binary processing types |
| | 59.14 | Changing a system mode |
| | 59.15 | Binary signal gain processing |
| | 59.17 | Binary signal level detecting using a reference signal |
| | 59.19 | Binary signal detecting using a clock signal |
| | 59.2 | Binary signal phase processing |
| | 59.21 | Including sampling or A/D converting |
| | 59.23 | Having specific code or form generation or regeneration processing |
| | 59.25 | Format arrangement processing for auxiliary information |
| | 59.26 | Binary signal processing of sectioned information |
| | 59.27 | Binary signal multiplexing or demultiplexing |
| | 60.01 | SIGNAL PROCESSING BY STORAGE AND SUBSEQUENT RETRIEVAL (E.G., FREQUENCY SHIFT, DELAY, ETC.) |
| | 61 | STORAGE OF DIRECTLY RETRIEVABLE MODULATED R.F. OR SUPERAUDIBLE CARRIER SIGNAL |
| | 62 | STORAGE OF SIGNAL MODULATING COMPONENT |
| | 63 | SOUND REPRODUCTION FOR TOY OR NOVELTY DEVICE (E.G., TALKING DOLL) |
| | 64 | With electrical information signal processing |
| | 65 | Indexing to track (e.g., consecutive) |
| | 67 | With beginning or end of cycle stylus return |
| | 68 | Manual motion application (e.g., novelty card, hand-held stylus) |
| | 69 | SYSTEMS OR SUBSYSTEMS COMBINED WITH DIVERSE ART DEVICE |
| | 71 | WITH STYLUS CLEANING OR TREATMENT (E.G., GRINDING) |
| | 72 | WITH STORAGE MEDIUM CLEANING OR ELECTROSTATIC CHANRGE NEUTRALIZATION |
| | 75.11 | WITH PARTICULAR CABINET STRUCTURE |
| | 75.21 | With mechanism to place disc on a turntable |
| | 76 | With electrical information signal processing |
| | 77.11 | Slotted for edgewise insertion of storage disc |
| | 78 | With lid-mounted transducer assembly carrier |
| | 79 | With closure-operated interlock or braking actuator |
| | 80 | Particular acoustical structure (e.g., baffle) |
| | 83 | EDITING OF STORED INFORMATION |
| | 84 | DUPLICATION OR COPYING (E.G., RERECORDING) |
| | 86 | STORAGE OR RETRIEVAL OF SPATIALLY RELATED ACOUSTIC SIGNALS (E.G., STEREO) |
| | 87 | Simulated spatial effect (e.g., pseudo-stereo) |
| | 88 | With transformation or intentional distortion of information signal (e.g., preemphasis) |
| | 89 | Quadraphonic |
| | 91 | Having distinct electrical channels |
| | 92 | Including distinct storage tracks on record medium |
| | 93 | SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE |
| | 94 | Having layered storage medium |
| | 95 | Common time base (i.e., simultaneous) |
| | 96 | Continuous consecutive storage or retrieval of interrupted track for single signal (e.g., automatic reversal) |
| | 98 | Indexing to discrete signal tracks (e.g., consecutive, by chance) |
| | 99 | SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM |
| | 100 | Radiation beam modification of or by storage medium |
| | 101 | Invisible radiation (e.g., electron beam or X-ray) |
| | 102 | Multiplex |
| | 103 | Holographic |
| | 104 | Ribbon light modulator |
| | 105 | Penumbra or push-pull optical system |
| | 106 | Optical feedback |
| | 107 | Ground noise suppression, signal envelope, or plural optical modulation |
| | 108 | Color |
| | 109.01 | Diffractive storage medium information element |
| | 110.01 | Polarization of or by storage medium information element |
| | 111 | Spiral or helical track |
| | 112.01 | Having particular optical element or particular placement thereof in radiation beam path to or from storage medium |
| | 112.02 | Crystal (e.g., liquid, elasto-optic, photo-refractive, etc.) |
| | 112.03 | Diffractive |
| | 112.04 | Plural distinct diffractive optical elements |
| | 112.05 | In radiation beam path to storage medium |
| | 112.11 | Sectioned optical element |
| | 112.15 | Holographic |
| | 112.16 | Polarized or polarizing |
| | 112.22 | Particular optical filter |
| | 112.23 | Particular lens |
| | 112.27 | Waveguide |
| | 112.28 | Prism |
| | 112.29 | Mirror |
| | 113 | With medium contacting drum or gate in optical system (e.g., sound head) |
| | 116 | Light intensity adjustment or maintenance |
| | 117 | Having movable shutter or light gate |
| | 118 | With detail, configuration, or adjunct of element having slit or aperture in radiation path |
| | 120 | Having particular radiation sensor |
| | 121 | With particular light source (e.g., laser, CRT with phosphor) |
| | 124.01 | With details of electrical signal processing |
| | 124.02 | With transducing multiple tracks |
| | 124.03 | With transducing using plural beams |
| | 124.04 | Modulating or demodulating |
| | 124.05 | Integrating or sampling |
| | 124.06 | Compressing or decompressing |
| | 124.07 | Auxiliary information arrangement processing (e.g., block headers, subcode, or interpolated information, etc.) |
| | 124.08 | Sectioned information processing (e.g., lengths, frames, or blocks, etc.) |
| | 124.09 | Multiplexing or demultiplexing |
| | 124.1 | Gain processing |
| | 124.14 | Rate, phase, or transient processing |
| | 124.15 | Level detecting using reference signal |
| | 125 | Having photographic storage medium (e.g., variable density or area) |
| | 126 | Electrical modification or sensing of storage medium (e.g., capacitive, resistive, electrostatic charge) |
| | 127 | Mechanical modification or sensing of storage medium |
| | 128 | With electrical information signal processing |
| | 129 | From information modulated oscillator |
| | 130 | Sensing of elastic deformation or relaxation of storage medium (e.g., skid type) |
| | 131 | Bidirectional information flow (e.g., record/replay switching) |
| | 132 | Recording |
| | 133 | With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter) |
| | 134 | With particular amplification characteristic or signal control circuitry (e.g., muting) |
| | 135 | Specified structure of electrical transducing assembly |
| | 136 | Multichannel (stereo cartridge) |
| | 137 | By stress application to solid transducing element (e.g., piezoelectric) |
| | 139 | With details of damping or compliance |
| | 140 | Plural styli |
| | 141 | Plural alternative or with signal handling adjunct |
| | 142 | Stylus controlled optical element |
| | 143 | Electron tube |
| | 144 | Electret or piezoelectric |
| | 145 | Semiconductive |
| | 146 | Magnetic field variation (e.g., magnetostrictive) |
| | 150 | Capacitive or electrolytic liquid |
| | 151 | Electrostatic or capacitive |
| | 152 | Variable resistance |
| | 153 | Including treatment to facilitate storage (e.g., storage medium softening) |
| | 155 | Mechanical conversion to or from sound |
| | 156 | Including fluid coupling in force linkage |
| | 157 | Sound box with mounting structure |
| | 158 | Acoustical tone arm |
| | 160 | Sound box |
| | 170 | Stylus holder or shield |
| | 173 | Stylus |
| | 174 | Including signal modification |
| | 176 | DYNAMIC MECHANISM SUBSYSTEM |
| | 177 | Having stationary storage medium |
| | 178.01 | Access of multiple storage elements (e.g., record changer) |
| | 179 | Cylindrical storage element |
| | 180 | Flexible disc |
| | 181 | Stack height adjustment for tone arm or turntable |
| | 182 | Numerical count shut-off |
| | 183 | Cam shaft transverse to turntable spindle axis of record changer |
| | 184 | Tone arm position control by sensing of disc (e.g., disc or hole size) |
| | 185 | Disc size sensor on or using tone arm |
| | 186 | Stepped tone arm stop element |
| | 187 | Disc size sensor in feed path |
| | 188 | Disc size sensor at turntable position |
| | 189 | Turntable speed control |
| | 191.1 | Storage disc fed to and removed from turntable |
| | 192.1 | Plural disc holder having unitary separating structure |
| | 193 | Grouped removal with sequential feed |
| | 194 | Coplanar storage |
| | 195 | Both sides of disc used |
| | 196 | Separate motors operate turntable and disc change mechanism |
| | 197 | Plural turntables |
| | 199 | Both sides of disc used |
| | 201 | Discs sequentially removed from turntable |
| | 202 | Discs sequentially fed to turntable |
| | 203 | Tone arm set down adjustment |
| | 204 | By edge controlled feeding of disc |
| | 206 | By center hold feeding of disc (e.g., spindle drop) |
| | 212 | Auxiliary structure (e.g., shut-off preventer, disc spacer) |
| | 213 | Additional motion of storage element support to effect tracking |
| | 215.1 | Having power driven transducer assembly |
| | 216 | Having tone arm set-down control |
| | 218 | Having groove engaging driving element |
| | 219.1 | With drive transverse to storage track |
| | 220 | Controlled by transducer assembly support |
| | 221 | With additional drive (e.g., scanning, restoring, or return) |
| | 222 | Having pivoted tone arm |
| | 223 | By lead screw |
| | 224 | With passive linear tracking |
| | 225 | Restoring after passive tracking |
| | 226 | Responsive to transducer support condition (e.g., movement or position) |
| | 229 | Turntable mounted template |
| | 230 | Power cueing (i.e., engage/disengage) |
| | 231 | Mechanism responsive to control structure on storage medium sensed by transducer assembly support (e.g., trip device) |
| | 233 | Mechanism condition or storage medium responsive control |
| | 234 | With turntable braking (e.g., tone arm position responsive) |
| | 235 | With stopping of motor |
| | 236 | Adjustable |
| | 237 | With electrical control of brake |
| | 238 | End limit sensor coupled with tone arm |
| | 239 | Speed |
| | 240 | Variable radius compensation (e.g., constant interaction speed) |
| | 241 | Self-responsive (e.g., governor) |
| | 242 | Antiskating |
| | 243 | Energizing circuit |
| | 244.1 | Specified detail of transducer assembly support structure |
| | 245 | With manual tone arm displacement adjunct (e.g., cueing) |
| | 247.1 | Vibration or resonance suppression |
| | 249.1 | Having linear guide |
| | 250 | Pivoted arm with tracking path compensation |
| | 251 | Having application of counterbalancing force |
| | 252 | Lateral (e.g., antiskating) |
| | 253 | By resilient force element (e.g., spring) |
| | 254 | Specified weight mounting |
| | 255 | Having specified bearing structure |
| | 256 | Mechanical details of cartridge mounting |
| | 257 | Rest |
| | 258.1 | Specific detail of storage medium support or motion production |
| | 272.1 | STORAGE MEDIUM STRUCTURE |
| | 273 | Combined with diverse art structure |
| | 274 | Composite (e.g., package with preview record) |
| | 275.1 | Optical track structure (e.g., phase or diffracting structure, etc.) |
| | 275.2 | Erasable, reversible or re-recordable |
| | 275.3 | Track data format/layout |
| | 275.4 | Pit/bubble/groove structure specifies |
| | 275.5 | Protection (e.g., preventing damage to medium, etc.) |
| | 276 | Electrical track structure |
| | 277 | Special groove (e.g., particular groove shape) |
| | 280 | Specific disc profile |
| | 282 | Specified center hole or locating structure |
| | 283 | Layered (e.g., permanent protective layer) |
| | 284 | Radiation beam modified or controlling (e.g., photosensitve, optical track) |
| | 286 | Laminated or unified discrete layers |
| | 287 | Flexible |
| | 288 | Specified material |
| | 289.1 | Adjuncts or adapters |
| | 292 | MISCELLANEOUS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| FOR100 | SIGNAL PROCESSING BY STORAGE AND SUBSEQUENT RETRIEVAL (E.G., FREQUENCY SHIFT, DELAY, ETC.) (369/60) |
| SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM (369/99) |
| FOR102 | CONTROL OF STORAGE OR RETRIEVAL BY A SIGNAL TO BE RECORDED OR REPRODUCED (369/47) |
| FOR103 | Control of information signal channel (369/48) |
| FOR105 | Mechanism control by information signal (e.g., voice responsive) (369/50) |
| FOR107 | CONTROL STRUCTURE ON STORAGE MEDIUM SENSED BY OTHER THAN TRANSDUCER SUPPORT (E.G., CONDUCTIVE STRIP, NOTCHED EDGE SENSOR) (369/52) |
| FOR108 | WITH CONDITION INDICATING (E.G., MONITORING) OR TESTING (369/53) |
| FOR109 | With radiation storage or retrieval (369/54) |
| FOR110 | Of transducer (369/55) |
| FOR113 | Of record carrier (369/58) |
| FOR114 | WITH BINARY PULSE TRAIN INFORMATION SIGNAL (369/59) |
| SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM (369/99) |
| FOR118 | STORAGE DIFFERENT FROM RETRIEVAL (E.G., OPTICAL RECORDING AND MAGNETIC REPRODUCTION) (369/13) |
| FOR119 | OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION (369/24) |
| FOR120 | Dictation or transcribing (369/25) |
| FOR121 | Privacy (369/26) |
| FOR122 | With access to or marking of specified location (e.g., indexing) (369/27) |
| FOR124 | Remote station (e.g., multiple stations or recording devices) (369/29) |
| FOR125 | Selective addressing of storage medium (e.g., programmed access, "juke box") (369/30) |
| FOR126 | Novelty device (e.g., talking doll) (369/31) |
| FOR127 | With specified electrical information signal processing (369/32) |
| FOR128 | With specified electrical control signal processing (369/33) |
| FOR130 | Plural nontranslating storage elements (e.g., in situ) (369/35) |
| FOR131 | With unitary plural disc carrier (369/36) |
| FOR135 | By manually actuated mechanism for movement of tone arm (369/40) |
| FOR136 | Of track on single storage medium (369/41) |
| FOR137 | By mechanical linkage (369/42) |
| DYNAMIC MECHANISM SUBSYSTEM (369/176) |
| FOR139 | WITH PARTICULAR CABINET STRUCTURE (369/75.1) |
| FOR140 | With mechanism to place disc on a turntable (369/75.2) |
| FOR141 | Slotted for edgewise insertion of storage disc (369/77.1) |
| FOR142 | Having disc stored in protective jacket (369/77.2) |
| FOR143 | Storage disc fed to and removed from turntable (369/191) |
| FOR145 | Having power driven transducer assembly (369/215) |
| FOR147 | Specific detail of transducer assembly support structure (e.g., tone arm) (369/244) |
| FOR148 | Vibration or resonance suppression (e.g., damping) (369/247) |
| FOR149 | Having linear guide (369/249) |
| FOR150 | Specific detail of storage medium support or motion production (369/258) |
| FOR154 | STORAGE MEDIUM STRUCTURE (369/272) |
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