US PATENT SUBCLASS 369 / 164
.~.~.~.~ Convertible between lateral and perpendicular modulation modes

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  DF  .~ Mechanical modification or sensing of storage medium {6}
155  DF  .~.~ Mechanical conversion to or from sound {4}
160  DF  .~.~.~ Sound box {6}
164.~.~.~.~ Convertible between lateral and perpendicular modulation modes

DEFINITION

Classification: 369/164

Convertible between lateral and perpendicular modulation modes:

(under subclass 160) Subject matter including structure to cause or respond to stylus vibrations in two planes, one being normal and the other parallel to the record medium surface.

(1) Note. Such structure in a reproducer may be unitary or alternative.