| Class Number |
Class Name |
No. of Patents |
| 360/69 |
Automatic control of a recorder mechanism |
1162 |
| 360/75 |
Controlling the head |
2348 |
| 360/76 |
Azimuth or skew |
169 |
| 360/77.01 |
Track centering |
155 |
| 360/77.12 |
Elongated web carrier (i.e., tape) |
421 |
| 360/77.13 |
Transverse scan path |
217 |
| 360/77.14 |
By pilot signal |
172 |
| 360/77.15 |
Plural pilot signals along single transverse path |
95 |
| 360/77.16 |
Having head deflection drive (e.g., piezoelectric bimorph) |
166 |
| 360/77.17 |
Dithering |
45 |
| 360/77.02 |
Rotary carrier |
568 |
| 360/77.04 |
By memory storage of repeatable error or correction |
535 |
| 360/77.03 |
By nonmagnetic sensing (e.g., optical, capacitive) |
238 |
| 360/77.05 |
By servo signal component from carrier surface separate from information signal bearing surface |
188 |
| 360/77.07 |
By tracking signal recorded on or immediately beneath surface |
197 |
| 360/77.11 |
Continuous servo signal |
81 |
| 360/77.08 |
Distinct servo sector |
824 |
| 360/77.06 |
Reproduced data signal used for tracking |
186 |
| 360/78.01 |
Track changing |
54 |
| 360/78.04 |
For rotary carrier (e.g., disc) |
740 |
| 360/78.14 |
By recorded servo reference or address signal |
331 |
| 360/78.05 |
Coarse and fine head drive motors |
184 |
| 360/78.15 |
Drum |
5 |
| 360/78.09 |
Including model of servo system or element |
275 |
| 360/78.11 |
Including nonmagnetic position sensing |
113 |
| 360/78.12 |
Including particular head actuator |
175 |
| 360/78.13 |
Stepping motor |
137 |
| 360/78.08 |
Specified spatial pattern during access |
105 |
| 360/78.06 |
Specified velocity pattern during access |
317 |
| 360/78.07 |
Controlled by memory device |
198 |
| 360/78.02 |
Tape |
170 |
| 360/78.03 |
Plural tapes |
9 |
| 360/71 |
Controlling the record |
613 |
| 360/72.1 |
Locating specific areas |
384 |
| 360/72.2 |
Responsive to recorded address |
491 |
| 360/72.3 |
Responsive to tape transport |
107 |
| 360/73.01 |
Speed |
95 |
| 360/73.02 |
Control of relative speed between carriers |
63 |
| 360/73.04 |
Linear carrier |
133 |
| 360/73.09 |
Constant speed |
65 |
| 360/73.11 |
By reproduced control signal and transport derived signal |
63 |
| 360/73.12 |
By reproduced control signal |
64 |
| 360/73.13 |
From separate track |
30 |
| 360/73.14 |
By signal derived from transport |
87 |
| 360/73.05 |
Plural speed transport |
132 |
| 360/73.06 |
Automatic change between fixed speeds |
101 |
| 360/73.07 |
Automatic selection of carrier or track speed |
53 |
| 360/73.08 |
Variable speed |
122 |
| 360/73.03 |
Rotary carrier |
440 |
| 360/74.1 |
Stopping or reversing |
363 |
| 360/74.4 |
Responsive to magnetic recorded signals |
191 |
| 360/74.5 |
Responsive to physical property of record |
24 |
| 360/74.7 |
Conductive |
9 |
| 360/74.6 |
Photoelectric |
72 |
| 360/74.2 |
Responsive to reel rotation |
129 |
| 360/74.3 |
Responsive to tape tension |
59 |
| 360/70 |
Synchronizing moving-head moving-record recorders |
408 |
| 360/25 |
Checking record characteristics or modifying recording signal for characteristic compensation |
343 |
| 360/32 |
Converting an analog signal to digital form for recording; reproducing and reconverting |
647 |
| 360/900 |
Disk drive packaging |
15 |
| 360/901 |
Access time |
6 |
| 360/903 |
Physical parameter (e.g., form factor) |
29 |
| 360/904 |
Weight |
4 |
| 360/902 |
Storage density (e.g., bpi, tpi) |
19 |
| 360/26 |
Electronically correcting phasing errors between related information signals |
79 |
| 360/230 |
Fluid bearing head support |
13 |
| 360/234 |
Disk record |
21 |
| 360/234.3 |
Air bearing slider detail |
71 |
| 360/235.4 |
Air bearing surface detail |
106 |
| 360/236.9 |
Asymmetrical rail arrangement |
32 |
| 360/236.4 |
Leading end detail |
42 |
| 360/235.5 |
Negative pressure type |
37 |
| 360/236.2 |
Asymmetrical rail arrangement |
48 |
| 360/236 |
Cross rail detail |
47 |
| 360/235.6 |
Leading end detail |
88 |
| 360/235.9 |
Rail side edge detail |
17 |
| 360/235.8 |
Rail surface detail |
126 |
| 360/236.3 |
Three or more rails/pads |
160 |
| 360/235.7 |
Trailing end detail |
124 |
| 360/236.1 |
Varying width rail |
77 |
| 360/237.1 |
Partial contact |
51 |
| 360/236.7 |
Rail side edge detail |
32 |
| 360/236.6 |
Rail surface detail |
113 |
| 360/237 |
Three or more rails/pads |
101 |
| 360/236.5 |
Trailing end detail |
94 |
| 360/236.8 |
Varying width rail |
47 |
| 360/234.5 |
Electrical attachment of slider/head |
197 |
| 360/234.7 |
Head attachment to slider |
132 |
| 360/234.9 |
In slot of rail |
41 |
| 360/234.8 |
On/in side of slider |
22 |
| 360/235 |
Signal winding mount/access detail |
32 |
| 360/234.4 |
Ic/circuit component on slider |
32 |
| 360/234.6 |
Mechanical attachment of slider to its support |
123 |
| 360/235.1 |
Slider material |
84 |
| 360/235.3 |
Body material |
45 |
| 360/235.2 |
Rail material |
62 |
| 360/234.2 |
Flexible disk |
24 |
| 360/234.1 |
Liquid bearing |
35 |
| 360/231 |
Tape record |
3 |
| 360/220 |
Fluid bearing record support |
3 |
| 360/224 |
Disk record |
22 |
| 360/221 |
Tape record |
21 |
| 360/221.1 |
Liquid bearing |
0 |
| 360/39 |
General processing of a digital signal |
334 |
| 360/49 |
Address coding |
274 |
| 360/51 |
Data clocking |
1274 |
| 360/52 |
With incremental movement between record and head |
10 |
| 360/48 |
Data in specific format |
1350 |
| 360/54 |
Data recirculation |
38 |
| 360/53 |
Data verification |
1010 |
| 360/46 |
Head amplifier circuit |
1220 |
| 360/40 |
In specific code or form |
422 |
| 360/44 |
Intra-cell transition |
68 |
| 360/43 |
Multi-frequency |
71 |
| 360/41 |
Nonreturn to zero |
97 |
| 360/42 |
Phase code |
49 |
| 360/50 |
Inter-record gap processing |
75 |
| 360/45 |
Pulse crowding correction |
167 |
| 360/47 |
Redundant or complimentary tracks |
73 |
| 360/55 |
General recording or reproducing |
320 |
| 360/58 |
Boundary displacement recording or transducers |
7 |
| 360/60 |
Recording-or erasing-prevention |
781 |
| 360/57 |
Selective erase recording |
77 |
| 360/61 |
Signal switching |
358 |
| 360/64 |
Between heads in alternate engagement with medium |
352 |
| 360/63 |
Between plural stationary heads |
200 |
| 360/62 |
Record-reproduce |
172 |
| 360/66 |
Specifics of biasing or erasing |
618 |
| 360/65 |
Specifics of equalizing |
591 |
| 360/67 |
Specifics of the amplifier |
611 |
| 360/68 |
Recording amplifier |
368 |
| 360/59 |
Thermomagnetic recording or transducers |
453 |
| | Head (340/110) | |
| 360/240 |
Head mounting |
47 |
| 360/244 |
Disk record |
30 |
| 360/245.8 |
Electrical connection detail |
122 |
| 360/245.9 |
Flexible printed circuit type |
281 |
| 360/246 |
Noise reduction |
39 |
| 360/246.1 |
Full contact suspension |
105 |
| 360/246.4 |
Gimbal detail |
51 |
| 360/246.3 |
Pivot detail |
54 |
| 360/246.5 |
Single head |
4 |
| 360/246.2 |
Slider detail |
81 |
| 360/245.3 |
Gimbal detail |
137 |
| 360/245.4 |
Attachment detail |
61 |
| 360/245.5 |
Integral with load beam |
51 |
| 360/245.7 |
Motion limiter detail |
98 |
| 360/245.6 |
Plural axis components |
58 |
| 360/244.1 |
Ic/circuit component on suspension element |
81 |
| 360/244.2 |
Load beam detail |
123 |
| 360/244.5 |
Actuator mount region detail |
135 |
| 360/244.7 |
Adhesive |
16 |
| 360/244.6 |
Ball staking |
73 |
| 360/245.2 |
Assembly feature |
81 |
| 360/245 |
Gimbal mounting region detail |
93 |
| 360/245.1 |
Pivot/load button detail |
67 |
| 360/244.3 |
Laminated beam |
99 |
| 360/244.4 |
Nonmetallic beam |
20 |
| 360/244.9 |
Rigid intermediate section detail |
121 |
| 360/244.8 |
Spring region detail |
129 |
| 360/246.8 |
Offset heads on opposite sides of disk |
56 |
| 360/246.6 |
Plural heads for each disk side |
38 |
| 360/246.7 |
Plural actuators |
19 |
| 360/290 |
For adjusting head position |
15 |
| 360/294 |
Disk record |
14 |
| 360/294.7 |
Adjustment along rotational axis of disk |
115 |
| 360/294.1 |
Adjustment parallel to disk plane |
56 |
| 360/294.3 |
Driver detail |
91 |
| 360/294.4 |
Piezoelectric adjuster |
233 |
| 360/294.5 |
Voice coil adjuster |
52 |
| 360/294.2 |
Linear adjustment |
22 |
| 360/294.6 |
Pivot structure detail |
67 |
| 360/291 |
Tape record |
57 |
| 360/291.1 |
Cam adjuster |
10 |
| 360/291.4 |
Rotary head |
7 |
| 360/291.6 |
Adjustable head mount |
52 |
| 360/291.8 |
Adjuster coil detail |
20 |
| 360/291.7 |
Adjuster core detail |
23 |
| 360/291.9 |
Piezoelectric adjuster |
36 |
| 360/292 |
Plural piezoelectric adjusters |
20 |
| 360/291.5 |
Adjustment of drum axis |
18 |
| 360/291.2 |
Screw adjuster |
39 |
| 360/291.3 |
Plural screws |
59 |
| 360/270 |
For moving head during transducing |
14 |
| 360/274 |
Disk record |
4 |
| 360/271 |
Tape record having rotary head |
26 |
| 360/272 |
Power supply |
11 |
| 360/271.1 |
Rotating drum |
50 |
| 360/271.2 |
Axle bearing |
25 |
| 360/271.3 |
Hydrodynamic |
25 |
| 360/271.4 |
Axle seal |
7 |
| 360/271.7 |
Drum motor |
20 |
| 360/271.6 |
Drum mounting |
36 |
| 360/271.5 |
Head mount to drum |
87 |
| 360/281 |
Signal transfer to/from head |
24 |
| 360/281.4 |
Coil/winding detail |
18 |
| 360/282 |
Contact type transformer |
1 |
| 360/281.5 |
Core detail |
15 |
| 360/281.7 |
Electrical connection between head and rotary part of transformer |
29 |
| 360/281.6 |
Electrical or magnetic shielding |
14 |
| 360/281.9 |
Photoelectric |
6 |
| 360/281.8 |
Plural transformers |
8 |
| 360/281.2 |
Transformer axis parallel to axis of head rotation |
18 |
| 360/281.3 |
Transformer axis perpendicular to axis of head rotation |
19 |
| 360/281.1 |
Transformer mounting detail |
14 |
| 360/271.8 |
Stationary drum |
13 |
| 360/271.9 |
Electrical connection detail |
11 |
| 360/250 |
For moving head into/out of transducing position |
9 |
| 360/254 |
Disk record |
12 |
| 360/254.2 |
Arcuate track change type |
17 |
| 360/254.7 |
Fixed lifter |
56 |
| 360/255 |
Actuator side detail |
55 |
| 360/254.9 |
Adjustment detail |
10 |
| 360/254.8 |
Lifter surface detail |
70 |
| 360/254.3 |
Moving lifter |
51 |
| 360/254.6 |
Actuator side detail |
18 |
| 360/254.5 |
Adjustment detail |
10 |
| 360/254.4 |
Lifter surface detail |
19 |
| 360/254.1 |
Flexible disk |
94 |
| 360/256 |
Latch |
44 |
| 360/256.6 |
Adjustment detail |
3 |
| 360/256.1 |
Air vane |
39 |
| 360/256.3 |
Electrically driven |
69 |
| 360/256.4 |
Inertial |
59 |
| 360/256.2 |
Magnetic |
114 |
| 360/256.5 |
Plural latches |
8 |
| 360/255.1 |
Linear track change type |
33 |
| 360/255.6 |
Fixed lifter |
11 |
| 360/255.9 |
Actuator side detail |
19 |
| 360/255.8 |
Adjustment detail |
1 |
| 360/255.7 |
Lifter surface detail |
13 |
| 360/255.2 |
Moving lifter |
51 |
| 360/255.5 |
Actuator side detail |
17 |
| 360/255.4 |
Adjustment detail |
4 |
| 360/255.3 |
Lifter surface detail |
14 |
| 360/251 |
Tape record having arcuate head retraction movement |
52 |
| 360/251.1 |
Tape record having linear head retraction movement |
89 |
| 360/251.3 |
Cam type |
65 |
| 360/251.2 |
Driven by tape driver |
28 |
| 360/251.5 |
Rotary head type |
5 |
| 360/251.4 |
Solenoid type |
30 |
| 360/260 |
For shifting head between tracks |
15 |
| 360/264 |
Disk record |
10 |
| 360/264.1 |
Arcuate head movement |
37 |
| 360/265.2 |
Bearing |
56 |
| 360/265.6 |
Mounting detail |
96 |
| 360/265.4 |
Radial |
7 |
| 360/265.3 |
Seal |
7 |
| 360/265.5 |
Thrust |
3 |
| 360/264.3 |
Driver detail |
53 |
| 360/264.6 |
Band |
24 |
| 360/264.4 |
Independent head movement |
19 |
| 360/264.5 |
Plural drivers for each head |
15 |
| 360/264.7 |
Voice coil |
91 |
| 360/264.8 |
Core detail |
66 |
| 360/264.9 |
Magnet detail |
54 |
| 360/265 |
Winding detail |
71 |
| 360/265.7 |
E block detail |
113 |
| 360/265.9 |
Detail of actuator arm supporting head suspension |
100 |
| 360/266.1 |
Arm mounting |
75 |
| 360/266 |
Arm shape |
56 |
| 360/265.8 |
Detail of coil support |
61 |
| 360/264.2 |
Electrical connection detail onto actuator arm |
187 |
| 360/265.1 |
Limiter/stop |
87 |
| 360/267.9 |
Including shifting head to different disks |
5 |
| 360/266.2 |
Linear head movement |
42 |
| 360/267 |
Band |
59 |
| 360/267.1 |
Cam |
25 |
| 360/266.3 |
Electrical connection detail onto actuator arm |
27 |
| 360/267.2 |
Rack |
15 |
| 360/267.3 |
Screw |
16 |
| 360/267.5 |
Carriage detail |
20 |
| 360/267.6 |
Guide detail |
29 |
| 360/267.7 |
Screw mount detail |
13 |
| 360/267.8 |
Adjustable |
9 |
| 360/267.4 |
Screw/follower detail |
28 |
| 360/266.4 |
Voice coil |
28 |
| 360/266.5 |
Carriage detail |
53 |
| 360/266.6 |
Guide detail |
57 |
| 360/266.7 |
Core detail |
46 |
| 360/266.8 |
Magnet detail |
29 |
| 360/266.9 |
Winding detail |
32 |
| 360/261.1 |
Tape record having linear head movement |
49 |
| 360/261.2 |
Cam |
25 |
| 360/261.3 |
Screw |
64 |
| 360/261 |
Tape record having rotary head movement |
26 |
| 360/241 |
Tape record |
24 |
| 360/241.3 |
Head urging detail |
11 |
| 360/241.1 |
Plural head mounting on only one tape side |
36 |
| 360/241.2 |
Plural head mounting on opposite tape sides |
1 |
| 360/101 |
Head transport with record stationary during transducing |
58 |
| 360/110 |
Head |
227 |
| 360/116 |
Cathode ray |
3 |
| 360/118 |
Erase |
113 |
| 360/111 |
Flux gate |
25 |
| 360/115 |
Flux scanning |
33 |
| 360/119 |
Gap structure details |
363 |
| 360/121 |
Plural gaps |
517 |
| 360/120 |
Spacer material |
193 |
| 360/112 |
Hall effect |
50 |
| 360/117 |
Hand-held |
8 |
| 360/128 |
Head accessory |
563 |
| 360/129 |
Housing |
150 |
| 360/130.3 |
Pressure element |
56 |
| 360/130.34 |
Disc record |
76 |
| 360/130.31 |
Tape record |
41 |
| 360/130.33 |
Element in tape container |
68 |
| 360/130.32 |
Element mounting details |
41 |
| 360/130.2 |
Record guide |
30 |
| 360/130.21 |
Tape record |
175 |
| 360/130.22 |
Rotating head |
60 |
| 360/130.23 |
Helical scan |
84 |
| 360/130.24 |
Head drum details |
158 |
| 360/130.1 |
Record separator |
13 |
| 360/125 |
Head core |
620 |
| 360/126 |
Laminated |
1415 |
| 360/127 |
Nonmetallic |
144 |
| 360/122 |
Head surface structure |
853 |
| 360/123 |
Head winding |
419 |
| 360/124 |
For cross-talk prevention |
60 |
| 360/313 |
Magnetoresistive (mr) reproducing head |
228 |
| 360/318 |
Combined with inductive write head and having mr inside of inductive head |
52 |
| 360/318.1 |
In horizontal head configuration |
27 |
| 360/317 |
Combined with inductive write head in piggyback/merged configuration |
506 |
| 360/320 |
Detail of head insulation |
117 |
| 360/319 |
Detail of magnetic shielding |
276 |
| 360/322 |
Detail of sense conductor |
240 |
| 360/323 |
Electrostatic discharge (esd) protection |
125 |
| 360/327 |
Having anisotropic magnetoresistive (amr) sensor formed of a single thin film |
70 |
| 360/327.3 |
Detail of longitudinal biasing |
34 |
| 360/327.31 |
Using a permanent magnet |
50 |
| 360/327.33 |
Using conductor |
7 |
| 360/327.32 |
Using exchange couple biasing |
62 |
| 360/327.1 |
Detail of transverse and longitudinal biasing |
28 |
| 360/327.11 |
In barber-pole configuration |
11 |
| 360/327.2 |
Detail of transverse biasing |
9 |
| 360/327.23 |
Using a permanent magnet |
10 |
| 360/327.21 |
Using a shunt |
8 |
| 360/327.22 |
Using a soft adjacent layer |
42 |
| 360/327.24 |
Using conductor |
9 |
| 360/325 |
Having anisotropic magnetoresistive (amr) sensor formed of multiple thin films |
28 |
| 360/321 |
Having flux guide detail |
133 |
| 360/326 |
Having giant magnetoresistive (gmr) or colossal magnetoresistive (cmr) sensor formed of a single thin film |
36 |
| 360/324 |
Having giant magnetoresistive (gmr) or colossal magnetoresistive (cmr) sensor formed of multiple thin films |
226 |
| 360/324.1 |
Having one film pinned (e.g., spin valve) |
385 |
| 360/324.12 |
Detail of free layer or additional film for affecting or biasing the free layer |
666 |
| 360/324.11 |
Detail of pinned film or additional film for affecting or biasing the pinned film |
532 |
| 360/324.2 |
Having tunnel junction effect |
422 |
| 360/316 |
Having multiple independent mr sensors |
80 |
| 360/314 |
Having multiple interconnected multiple film mr sensors (e.g., dual spin valve magnetoresistive sensor) |
127 |
| 360/315 |
Having multiple interconnected single film mr sensors (e.g., dual magnetoresistive sensor) |
95 |
| 360/328 |
Magnetostrictive head |
24 |
| 360/114.01 |
Read only detector using light for reading magnetically recorded information on tape |
12 |
| 360/114.04 |
Beam splitter detail |
3 |
| 360/114.02 |
Light beam generator detail |
1 |
| 360/114.03 |
Focus detail |
4 |
| 360/114.05 |
Readout detector detail |
12 |
| 360/114.07 |
Circuit detail |
5 |
| 360/114.08 |
Detector material detail |
8 |
| 360/114.06 |
Focus detail |
9 |
| 360/114.09 |
Mounting detail |
6 |
| 360/114.1 |
Rotary head |
0 |
| 360/4 |
Manual input recording |
32 |
| 360/137 |
Miscellaneous |
1046 |
| 360/29 |
Modulating or demodulating |
134 |
| 360/30 |
Frequency |
106 |
| 360/31 |
Monitoring or testing the progress of recording |
943 |
| 360/15 |
Record copying |
364 |
| 360/16 |
Contact transfer |
136 |
| 360/17 |
With magnetic bias |
188 |
| 360/13 |
Record editing |
282 |
| 360/131 |
Record medium |
283 |
| 360/135 |
Disk |
1045 |
| 360/136 |
Drum |
238 |
| 360/132 |
In container |
1472 |
| 360/133 |
For disk |
1240 |
| 360/134 |
Tape |
482 |
| 360/81 |
Record transport with head moving during transducing |
21 |
| 360/82 |
Belt record |
3 |
| 360/86 |
Disk record |
150 |
| 360/87 |
Drum record |
11 |
| 360/83 |
Tape record |
24 |
| 360/84 |
Rotating head |
307 |
| 360/85 |
Tape in container |
683 |
| 360/88 |
Record transport with head stationary during transducing |
46 |
| 360/97.01 |
Disk record |
794 |
| 360/99.12 |
Disk seating |
415 |
| 360/97.02 |
Environmental control (e.g., air filter, temperature control) |
826 |
| 360/97.04 |
Flexible disk |
41 |
| 360/97.03 |
Plural disks |
231 |
| 360/99.01 |
Flexible disk |
141 |
| 360/99.05 |
Disk seating |
193 |
| 360/99.02 |
Loading or ejecting mechanism |
243 |
| 360/99.03 |
Motorized |
47 |
| 360/99.04 |
Rotational drive detail |
175 |
| 360/99.06 |
Loading or ejecting mechanism |
478 |
| 360/99.07 |
Motorized |
95 |
| 360/98.01 |
Plural disks |
244 |
| 360/98.02 |
Axially fixed flexible disks |
48 |
| 360/98.03 |
With pneumatic partioning of disks |
36 |
| 360/98.04 |
Changer |
92 |
| 360/98.05 |
Control detail |
48 |
| 360/98.06 |
Mechanical detail |
121 |
| 360/98.07 |
Rotational drive detail |
306 |
| 360/98.08 |
Seating of disks |
256 |
| 360/99.08 |
Rotational drive detail |
709 |
| 360/99.09 |
Movable drive |
26 |
| 360/99.11 |
Stationary drive |
16 |
| 360/100.1 |
Drum record |
10 |
| 360/90 |
Tape record |
183 |
| 360/91 |
Plural tapes |
31 |
| 360/92 |
Tape in container |
645 |
| 360/93 |
Tape in container |
359 |
| 360/96.1 |
Plural reels |
121 |
| 360/96.5 |
Container mounting details |
697 |
| 360/96.6 |
With pivotal holder |
158 |
| 360/96.3 |
Reel drive details |
278 |
| 360/96.4 |
With common capstan drive |
85 |
| 360/96.2 |
With dual capstan drive |
63 |
| 360/94 |
Transport accommodates different types |
222 |
| 360/95 |
With tape extraction |
455 |
| 360/89 |
Wire record |
2 |
| 360/79 |
Recorder control of an external device |
72 |
| 360/80 |
Slide or movie projectors |
29 |
| 360/6 |
Recording combined with metering or sensing |
71 |
| 360/8 |
Recording for changing duration, frequency or redundant content of an analog signal |
195 |
| 360/7 |
Recording for monetary delay of an analog signal |
34 |
| 360/5 |
Recording for selective retention of a special occurrence |
114 |
| 360/1 |
Recording on or reproducing from an element of diverse utility |
79 |
| 360/2 |
Card |
293 |
| 360/3 |
Motion picture film |
67 |
| 360/27 |
Recording or reproducing an information signal and a control signal for controlling electronics of reproducer |
365 |
| 360/28 |
Reference carrier to control demodulator |
20 |
| 360/12 |
Recording or reproducing for automatic announcing |
91 |
| 360/18 |
Recording or reproducing plural information signals on the same track |
177 |
| 360/20 |
Frequency multiplex |
32 |
| 360/21 |
Head gap azimuth multiplex |
58 |
| 360/22 |
Splitting one information signal for recording on plural distinct tracks or reproducing such signal |
153 |
| 360/23 |
Time division |
38 |
| 360/24 |
Splitting, processing and recombining one information signal for recording or reproducing on the same track |
44 |
