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Class Information
Number: 369/185
Name: Dynamic information storage or retrieval > Dynamic mechanism subsystem > Access of multiple storage elements (e.g., record changer) > Tone arm position control by sensing of disc (e.g., disc or hole size) > Disc size sensor on or using tone arm
Description: Subject matter wherein the size of the disc to be placed in use is determined by a sensing element mounted on, or by direct disc contact with, the tone arm.

Patents under this class:

Patent Number Title Of Patent Date Issued
5828633 Disc recording and/or reproducing changer with disc transporting mechanism and disc detector Oct. 27, 1998
4234194 Stylus lead-in mechanism of record player Nov. 18, 1980

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