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GB1214340A
|
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Video record disc and process for making same
|
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US3687664A
|
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Duplicating process for video disc records
|
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US3518442A
|
|
Video playback assembly wherein the record disc has optical recordings on both sides
|
|
US3499589A
|
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Tape loop bin system and apparatus
|
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US3466483A
|
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Sintered rotor for an electric motor
|
|
GB1153549A
|
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Servo-Controlled Playback Means for Records
|
|
US3510742A
|
|
Motor control system and apparatus
|
|
GB1131270A
|
|
Electromagnetic record head and system
|
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US3430966A
|
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Transparent recording disc
|
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US3480736A
|
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Magnetic transducer
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