Recording medium detecting device and recording medium driving a

Details Recording medium detecting device and recording medium driving a Recording medium detecting device and recording medium driving a

1996-05-16

1998-09-01

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 1704

Patent

active

058020381

ABSTRACT:
A recording medium drive apparatus including a detecting device for detecting the presence of recording media in a housing section of the apparatus. The detecting device including a pivoting member having a detecting end which is biased to slide along a side face of a recording medium as the recording medium is transferred to/from the housing section. An auxiliary member is provided to prevent the detecting end from entering a groove formed in the side face of the recording medium, thereby preventing incorrect detection that the recording medium is removed from the housing section. The auxiliary member includes a spring leaf which slides along the side face above or below the groove, and a supporting projection, mounted on the detecting end, is supported by an inner face of the leaf spring, thereby preventing the detecting end from moving more than a short distance into the groove. Thus, a position of the detecting member does not change as over the entire length of the side face of the recording medium, so that a constant detection output can be maintained. Consequently, it is possible to reliably detect the ends of the recording medium as it is transferred into and out of the housing section.

REFERENCES:
patent: 5224079 (1993-06-01), Inoue

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