US PATENT SUBCLASS 369 / 127
.~ Mechanical modification or sensing of storage medium

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4}
127.~ Mechanical modification or sensing of storage medium {6}
128  DF  .~.~> With electrical information signal processing {5}
135  DF  .~.~> Specified structure of electrical transducing assembly {11}
153  DF  .~.~> Including treatment to facilitate storage (e.g., storage medium softening) {1}
155  DF  .~.~> Mechanical conversion to or from sound {4}
170  DF  .~.~> Stylus holder or shield {1}
173  DF  .~.~> Stylus

DEFINITION

Classification: 369/127

Mechanical modification or sensing of storage medium:

(under subclass 99) Subject matter wherein the information signal is stored or retrieved by either (a) modulating a mechanical property of the storage medium by a mechanical effect produced by the transducing assembly, or (b) sensing a mechanical property of the storage medium by a transducing assembly mechanically related thereto.