US Patent Class 369
DYNAMIC INFORMATION STORAGE OR RETRIEVAL



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  COMBINED INDEPENDENT AUDIO SYSTEMS
2  DF  .~ Changeover between audio systems
3  DF  .~.~ Fading between plural signals
4  DF  .~ Combining signals to form composite (e.g., mixing)
5  DF  .~ One of systems having plural concurrent signals (e.g., stereophonic)
6  DF  .~ Radio
7  DF  .~.~ Including recording from radio
8  DF  .~.~ Oscillator modulated by retrieved information signal
9  DF  .~.~ Mechanical phonograph
10  DF  .~.~ With common cabinet for cartridge or cassette
11  DF  .~.~ Including separable assembly
12  DF  .~.~ Cabinet details
13  DF  STORAGE DIFFERENT FROM RETRIEVAL (E.G., OPTICAL RECORDING AND MAGNETIC REPRODUCTION)
14  DF  SIMULTANEOUS DIVERSE TYPES OF STORAGE OR RETRIEVAL
15  DF  ALTERNATIVE DIVERSE TYPES OF STORAGE OR RETRIEVAL
16  DF  MECHANICAL PRODUCTION OF OPTICAL STORAGE TRACK
17  DF  TRACK CONVERSION
18  DF  OPTICAL READING OF MECHANICAL RECORD
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*CLASS 360 IS AN INTEGRAL....*
*PART OF CLASS 369 AS SHOWN..*
*BY THE POSITION OF THIS BOX.*
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19  DF  CONTROL BY TIMER OR EXTERNAL EXTRANEOUS CONDITION
20  DF  .~ By diverse art device
21  DF  .~.~ In vehicle or elevator
22  DF  .~.~ Audible indicator
23  DF  .~.~.~ Talking clock
24  DF  OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION
25  DF  .~ Dictation or transcribing
26  DF  .~.~ Privacy
27  DF  .~.~ With access to or marking of specified location (e.g., indexing)
28  DF  .~.~.~ By stored additional signal (e.g., tone)
29  DF  .~.~ Remote station (e.g., multiple stations or recording devices)
30  DF  .~ Selective addressing of storage medium (e.g., programmed access, "juke box")
31  DF  .~.~ Novelty device (e.g., talking doll)
32  DF  .~.~ With specified electrical information signal processing
33  DF  .~.~ With specified electrical control signal processing
34  DF  .~.~.~ Plural storage medium elements
35  DF  .~.~ Plural nontranslating storage elements (e.g., in situ)
36  DF  .~.~ With unitary plural disc carrier
37  DF  .~.~.~ Radial array
38  DF  .~.~.~ Moving linear array
39  DF  .~.~.~ Scanning turntable
40  DF  .~.~ By manually actuated mechanism for movement of tone arm
41  DF  .~.~ Of track on single storage medium
42  DF  .~ By mechanical linkage
43  DF  WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING
44.11  DF  .~ Optical servo system
44.12  DF  .~.~ Solid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.)
44.13  DF  .~.~ Dithering or wobbling the beam or track
44.14  DF  .~.~ Optical head servo system structure
44.15  DF  .~.~.~ Elastic, flexible, pliant or spring support of lens or mirror
44.16  DF  .~.~.~.~ Flat flexible support (e.g., parallel leaf spring, etc.)
44.17  DF  .~.~.~ Optical head element with rotary motion
44.18  DF  .~.~.~.~ Rotary head wheel or scanner (e.g., for use with arcuate, transverse or slant tracks, etc.)
44.19  DF  .~.~.~.~ Head element pivots on arm (e.g., optical head disk arm etc..)
44.21  DF  .~.~.~.~ Lens or mirror pivots off center (e.g., on a shaft, etc.)
44.22  DF  .~.~.~ Lens or mirror floats, (e.g., magnetic field support or lens/mirror can freely float and pivot about its own axis, etc.)
44.23  DF  .~.~.~ Structure for shaping beam or causing astigmatic condition
44.24  DF  .~.~.~.~ Means to mask or shield a portion of the beam
44.25  DF  .~.~ Servo signal compared to a reference signal
44.26  DF  .~.~ Servo system operation related to disc structure information format
44.27  DF  .~.~ Initialization/start-up or changing modes of system
44.28  DF  .~.~.~ While track jumping or crossing
44.29  DF  .~.~.~ Servo loop gain/switching control
44.31  DF  .~.~.~.~ Recording
44.32  DF  .~.~ Means to compensate for defect or abnormal condition
44.33  DF  .~.~.~ Recording (e.g., inhibit recording upon defect, etc.)
44.34  DF  .~.~ Sampling servo system
44.35  DF  .~.~ Servo loop gain/switching control
44.36  DF  .~.~.~ Variable gain
44.37  DF  .~.~ Plural incident beams
44.38  DF  .~.~.~ Recording
44.39  DF  .~.~ Recording
44.41  DF  .~.~ Arithmetic operation using plural photodetectors
44.42  DF  .~.~.~ Beam or detector is not rectangular or circular
47  DF  CONTROL OF STORAGE OR RETRIEVAL BY A SIGNAL TO BE RECORDED OR REPRODUCED (E.G., PILOT OR CONTROL SIGNAL)
48  DF  .~ Control of information signal channel
49  DF  .~.~ Of plural interrelated channels
50  DF  .~ Mechanism control by information signal (e.g., voice responsive)
51  DF  .~.~ Control of spiral track spacing (e.g., signal variable pitch)
52  DF  CONTROL STRUCTURE ON STORAGE MEDIUM SENSED BY OTHER THAN TRANSDUCER SUPPORT (E.G., CONDUCTIVE STRIP, NOTCHED EDGE SENSOR)
53  DF  WITH CONDITION INDICATING (E.G., MONITORING) OR TESTING
54  DF  .~ With radiation storage or retrieval
55  DF  .~ Of transducer
56  DF  .~.~ Location on storage medium
57  DF  .~.~ Positioning adjunct (e.g., indexing)
58  DF  .~ Of record carrier
59  DF  WITH BINARY PULSE TRAIN INFORMATION SIGNAL
60  DF  SIGNAL PROCESSING BY STORAGE AND SUBSEQUENT RETRIEVAL (E.G., FREQUENCY SHIFT, DELAY)
61  DF  STORAGE OF DIRECTLY RETRIEVABLE MODULATED R.F. OR SUPERAUDIBLE CARRIER SIGNAL
62  DF  STORAGE OF SIGNAL MODULATING COMPONENT
63  DF  SOUND REPRODUCTION FOR TOY OR NOVELTY DEVICE (E.G., TALKING DOLL)
64  DF  .~ With electrical information signal processing
65  DF  .~ Indexing to track (e.g., consecutive)
66  DF  .~.~ By chance
67  DF  .~ With beginning or end of cycle stylus return
68  DF  .~ Manual motion application (e.g., novelty card, hand-held stylus)
69  DF  SYSTEMS OR SUBSYSTEMS COMBINED WITH DIVERSE ART DEVICE
70  DF  .~ For control of diverse art device
71  DF  WITH STYLUS CLEANING OR TREATMENT (E.G., GRINDING)
72  DF  WITH STORAGE MEDIUM CLEANING OR ELECTROSTATIC CHANRGE NEUTRALIZATION
73  DF  .~ By charge leakage (e.g., ionized particles)
74  DF  .~ By tone arm attachment
75.1  DF  WITH PARTICULAR CABINET STRUCTURE
75.2  DF  .~ With mechanism to place disc on a turntable
76  DF  .~ With electrical information signal processing
77.1  DF  .~ Slotted for edgewise insertion of storage disc
77.2  DF  .~.~ Having disc stored in protective jacket
78  DF  .~ With lid-mounted transducer assembly carrier
79  DF  .~ With closure-operated interlock or braking actuator
80  DF  .~ Particular acoustical structure (e.g., baffle)
81  DF  .~.~ Having collapsible or expandable acoustic path
82  DF  .~.~ Having parallel acoustic paths
83  DF  EDITING OF STORED INFORMATION
84  DF  DUPLICATION OR COPYING (E.G., RERECORDING)
85  DF  .~ To diverse type of storage medium
86  DF  STORAGE OR RETRIEVAL OF SPATIALLY RELATED ACOUSTIC SIGNALS (E.G., STEREO)
87  DF  .~ Simulated spatial effect (e.g., pseudo-stereo)
88  DF  .~ With transformation or intentional distortion of information signal (e.g., preemphasis)
89  DF  .~ Quadraphonic
90  DF  .~.~ Including modulated subchannel signal
91  DF  .~ Having distinct electrical channels
92  DF  .~ Including distinct storage tracks on record medium
93  DF  SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE
94  DF  .~ Having layered storage medium
95  DF  .~ Common time base (i.e., simultaneous)
96  DF  .~ Continuous consecutive storage or retrieval of interrupted track for single signal (e.g., automatic reversal)
97  DF  .~.~ Tracks transverse to a motion component
98  DF  .~ Indexing to discrete signal tracks (e.g., consecutive, by chance)
99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM
100  DF  .~ Radiation beam modification of or by storage medium
101  DF  .~.~ Invisible radiation (e.g., electron beam or X-ray)
102  DF  .~.~ Multiplex
103  DF  .~.~ Holographic
104  DF  .~.~ Ribbon light modulator
105  DF  .~.~ Penumbra or push-pull optical system
106  DF  .~.~ Optical feedback
107  DF  .~.~ Ground noise suppression, signal envelope, or plural optical modulation
108  DF  .~.~ Color
109  DF  .~.~ With diffraction (e.g., pits, grating)
110  DF  .~.~ By polarization
111  DF  .~.~ Spiral or helical track
112  DF  .~.~ With particular imaging element
113  DF  .~.~ With medium contacting drum or gate in optical system (e.g., sound head)
114  DF  .~.~.~ Movable roller support for optical path
115  DF  .~.~.~ With driving or stabilizing mechanism
116  DF  .~.~ Light intensity adjustment or maintenance
117  DF  .~.~ Having movable shutter or light gate
118  DF  .~.~ With detail, configuration, or adjunct of element having slit or aperture in radiation path
119  DF  .~.~.~ With movement of optical beam (e.g., galvanometer)
120  DF  .~.~ Having particular radiation sensor
121  DF  .~.~ With particular light source (e.g., laser, CRT with phosphor)
122  DF  .~.~.~ Solid state
123  DF  .~.~.~ Glow lamps
124  DF  .~.~ With details of electrical signal procesing
125  DF  .~.~ Having photographic storage medium (e.g., variable density or area)
126  DF  .~ Electrical modification or sensing of storage medium (e.g., capacitive, resistive, electrostatic charge)
127  DF  .~ Mechanical modification or sensing of storage medium
128  DF  .~.~ With electrical information signal processing
129  DF  .~.~.~ From information modulated oscillator
130  DF  .~.~.~ Sensing of elastic deformation or relaxation of storage medium (e.g., skid type)
131  DF  .~.~.~ Bidirectional information flow (e.g., record/replay switching)
132  DF  .~.~.~ Recording
133  DF  .~.~.~.~ With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter)
134  DF  .~.~.~ With particular amplification characteristic or signal control circuitry (e.g., muting)
135  DF  .~.~ Specified structure of electrical transducing assembly
136  DF  .~.~.~ Multichannel (stereo cartridge)
137  DF  .~.~.~.~ By stress application to solid transducing element (e.g., piezoelectric)
138  DF  .~.~.~.~.~ With adjustable or replaceable stylus coupling structure
139  DF  .~.~.~.~ With details of damping or compliance
140  DF  .~.~.~ Plural styli
141  DF  .~.~.~ Plural alternative or with signal handling adjunct
142  DF  .~.~.~ Stylus controlled optical element
143  DF  .~.~.~ Electron tube
144  DF  .~.~.~ Electret or piezoelectric
145  DF  .~.~.~ Semiconductive
146  DF  .~.~.~ Magnetic field variation (e.g., magnetostrictive)
147  DF  .~.~.~.~ Moving signal coil
148  DF  .~.~.~.~ Variable reluctance
149  DF  .~.~.~.~.~ Fixed coil surrounding fixed part of magnetic path
150  DF  .~.~.~ Capacitive or electrolytic liquid
151  DF  .~.~.~ Electrostatic or capacitive
152  DF  .~.~.~ Variable resistance
153  DF  .~.~ Including treatment to facilitate storage (e.g., storage medium softening)
154  DF  .~.~.~ Heating (e.g., heated stylus)
155  DF  .~.~ Mechanical conversion to or from sound
156  DF  .~.~.~ Including fluid coupling in force linkage
157  DF  .~.~.~ Sound box with mounting structure
158  DF  .~.~.~ Acoustical tone arm
159  DF  .~.~.~.~ Having plural acoustical paths
160  DF  .~.~.~ Sound box
161  DF  .~.~.~.~ With interchangeable styli
162  DF  .~.~.~.~ Including stylus pivoted from fixed casing
163  DF  .~.~.~.~ With sound modification
164  DF  .~.~.~.~ Convertible between lateral and perpendicular modulation modes
165  DF  .~.~.~.~ Perpendicular mechanical modulation
166  DF  .~.~.~.~.~ Recording
167  DF  .~.~.~.~.~ With mechanical amplification (e.g., frictional coupling)
168  DF  .~.~.~.~.~ Floating weight
169  DF  .~.~.~.~ Lateral mechanical modulation
170  DF  .~.~ Stylus holder or shield
171  DF  .~.~.~ With structure to interchange styli
172  DF  .~.~.~.~ By replacement
173  DF  .~.~ Stylus
174  DF  .~ Including signal modification
175  DF  .~.~ Frequency dependent (e.g., separation)
176  DF  DYNAMIC MECHANISM SUBSYSTEM
177  DF  .~ Having stationary storage medium
178  DF  .~ Access of multiple storage elements (e.g., record changer)
179  DF  .~.~ Cylindrical storage element
180  DF  .~.~ Flexible disc
181  DF  .~.~ Stack height adjustment for tone arm or turntable
182  DF  .~.~ Numerical count shut-off
183  DF  .~.~ Cam shaft transverse to turntable spindle axis of record changer
184  DF  .~.~ Tone arm position control by sensing of disc (e.g., disc or hole size)
185  DF  .~.~.~ Disc size sensor on or using tone arm
186  DF  .~.~.~ Stepped tone arm stop element
187  DF  .~.~.~ Disc size sensor in feed path
188  DF  .~.~.~ Disc size sensor at turntable position
189  DF  .~.~ Turntable speed control
190  DF  .~.~.~ By sensing of disc (e.g., disc or hole size)
191  DF  .~.~ Storage disc fed to and removed from turntable
192  DF  .~.~.~ Plural disc holder having unitary separating structure
193  DF  .~.~.~ Grouped removal with sequential feed
194  DF  .~.~.~ Coplanar storage
195  DF  .~.~.~ Both sides of disc used
196  DF  .~.~ Separate motors operate turntable and disc change mechanism
197  DF  .~.~ Plural turntables
198  DF  .~.~.~ Plural tone arms
199  DF  .~.~ Both sides of disc used
200  DF  .~.~.~ By inverting disc
201  DF  .~.~ Discs sequentially removed from turntable
202  DF  .~.~ Discs sequentially fed to turntable
203  DF  .~.~.~ Tone arm set down adjustment
204  DF  .~.~.~ By edge controlled feeding of disc
205  DF  .~.~.~.~ With feed cooperating structure on spindle
206  DF  .~.~.~ By center hold feeding of disc (e.g., spindle drop)
207  DF  .~.~.~.~ Support mechanism adapter for large hole records on small hole spindles
208  DF  .~.~.~.~ Having specified spindle structure
209  DF  .~.~.~.~.~ Umbrella type
210  DF  .~.~.~.~.~ Having shoulder and ejector lever
211  DF  .~.~.~.~.~.~ With edge stabilizer
212  DF  .~.~ Auxiliary structure (e.g., shut-off preventer, disc spacer)
213  DF  .~ Additional motion of storage element support to effect tracking
214  DF  .~.~ Cylindrical storage element
215  DF  .~ Having power driven transducer assembly
216  DF  .~.~ Having tone arm set-down control
217  DF  .~.~.~ By disc sensing (e.g., by sensed disc or hole size)
218  DF  .~.~ Having groove engaging driving element
219  DF  .~.~ With drive transverse to storage track during storage or retrieval
220  DF  .~.~.~ Controlled by transducer assembly support
221  DF  .~.~.~ With additional drive (e.g., scanning, restoring, or return)
222  DF  .~.~.~ Having pivoted tone arm
223  DF  .~.~.~ By lead screw
224  DF  .~.~ With passive linear tracking
225  DF  .~.~ Restoring after passive tracking
226  DF  .~.~.~ Responsive to transducer support condition (e.g., movement or position)
227  DF  .~.~.~.~ Numerical count replay
228  DF  .~.~.~.~ Controllable position
229  DF  .~.~.~ Turntable mounted template
230  DF  .~.~ Power cueing (i.e., engage/disengage)
231  DF  .~ Mechanism responsive to control structure on storage medium sensed by transducer assembly support (e.g., trip device)
232  DF  .~.~ With turntable braking (e.g., velocity or reverse responsive)
233  DF  .~ Mechanism condition or storage medium responsive control
234  DF  .~.~ With turntable braking (e.g., tone arm position responsive)
235  DF  .~.~.~ With stopping of motor
236  DF  .~.~.~ Adjustable
237  DF  .~.~.~ With electrical control of brake
238  DF  .~.~.~ End limit sensor coupled with tone arm
239  DF  .~.~ Speed
240  DF  .~.~.~ Variable radius compensation (e.g., constant interaction speed)
241  DF  .~.~.~ Self-responsive (e.g., governor)
242  DF  .~.~ Antiskating
243  DF  .~.~ Energizing circuit
244  DF  .~ Specific detail of transducer assembly support structure (e.g., tone arm)
245  DF  .~.~ With manual tone arm displacement adjunct (e.g., cueing)
246  DF  .~.~.~ With viscous limiting of motion (e.g., rate damping)
247  DF  .~.~ Vibration or resonance suppression (e.g., damping)
248  DF  .~.~.~ By viscous damping
249  DF  .~.~ Having linear guide
250  DF  .~.~ Pivoted arm with tracking path compensation
251  DF  .~.~ Having application of counterbalancing force
252  DF  .~.~.~ Lateral (e.g., antiskating)
253  DF  .~.~.~ By resilient force element (e.g., spring)
254  DF  .~.~.~ Specified weight mounting
255  DF  .~.~ Having specified bearing structure
256  DF  .~.~ Mechanical details of cartridge mounting
257  DF  .~.~ Rest
258  DF  .~ Specific detail of storage medium support or motion production
259  DF  .~.~ For endless web looped about plural rotatable mounts (e.g., belt)
260  DF  .~.~ For cylinder
261  DF  .~.~ For pliable (e.g., floppy) disc
262  DF  .~.~ With storage medium removal adjunct
263  DF  .~.~ Mounting structure for support or motion producing assembly (e.g., vibration damping
264  DF  .~.~ Turntable
265  DF  .~.~.~ With auxiliary turntable
266  DF  .~.~.~ Driving mechanism
267  DF  .~.~.~.~ Speed changing
268  DF  .~.~.~ Braking
269  DF  .~.~.~ Bearing structure
270  DF  .~.~.~ Disc holding or locating (e.g., spindle structure)
271  DF  .~.~.~.~ With detail of storage medium contact structure on turntable surface
272  DF  STORAGE MEDIUM STRUCTURE
273  DF  .~ Combined with diverse art structure
274  DF  .~ Composite (e.g., package with preview record)
275.1  DF  .~ Optical track structure (e.g., phase or diffracting structure, etc.)
275.2  DF  .~.~ Erasable, reversible or re-recordable
275.3  DF  .~.~ Track data format/layout
275.4  DF  .~.~ Pit/bubble/groove structure specifies
275.5  DF  .~.~ Protection (e.g., preventing damage to medium, etc.)
276  DF  .~ Electrical track structure
277  DF  .~ Special groove (e.g., particular groove shape)
278  DF  .~.~ Groove acts as control system signal
279  DF  .~.~ Guide during storage or retrieval
280  DF  .~ Specific disc profile
281  DF  .~.~ With interdisc coupling
282  DF  .~ Specified center hole or locating structure
283  DF  .~ Layered (e.g., permanent protective layer)
284  DF  .~.~ Radiation beam modified or controlling (e.g., photosensitve, optical track)
285  DF  .~.~.~ With mask
286  DF  .~.~ Laminated or unified discrete layers
287  DF  .~ Flexible
288  DF  .~ Specified material
289  DF  .~ Adjuncts or adapters
290  DF  .~.~ For central area of disc (e.g., hole size or drive sticker)
291  DF  .~.~ Protectors
292  DF  MISCELLANEOUS