| | CLASS NOTES |
| 1 | DF | COMBINED INDEPENDENT AUDIO SYSTEMS {4} |
| 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 |
| | ****************************** |
| | *CLASS 360 IS AN INTEGRAL....* |
| | *PART OF CLASS 369 AS SHOWN..* |
| | *BY THE POSITION OF THIS BOX.* |
| | ****************************** |
| 19 | DF | CONTROL BY TIMER OR EXTERNAL EXTRANEOUS CONDITION {1} |
| 24 | DF | OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION {3} |
| 43 | DF | WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING {1} |
| 47 | DF | CONTROL OF STORAGE OR RETRIEVAL BY A SIGNAL TO BE RECORDED OR REPRODUCED (E.G., PILOT OR CONTROL SIGNAL) {2} |
| 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 {3} |
| 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) {4} |
| 69 | DF | SYSTEMS OR SUBSYSTEMS COMBINED WITH DIVERSE ART DEVICE {1} |
| 71 | DF | WITH STYLUS CLEANING OR TREATMENT (E.G., GRINDING) |
| 72 | DF | WITH STORAGE MEDIUM CLEANING OR ELECTROSTATIC CHANRGE NEUTRALIZATION {2} |
| 75.1 | DF | WITH PARTICULAR CABINET STRUCTURE {6} |
| 83 | DF | EDITING OF STORED INFORMATION |
| 84 | DF | DUPLICATION OR COPYING (E.G., RERECORDING) {1} |
| 86 | DF | STORAGE OR RETRIEVAL OF SPATIALLY RELATED ACOUSTIC SIGNALS (E.G., STEREO) {5} |
| 93 | DF | SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE {4} |
| 99 | DF | SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4} |
| 176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
| 272 | DF | STORAGE MEDIUM STRUCTURE {11} |
| 292 | DF | MISCELLANEOUS |
