Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1996-07-17
2000-09-12
Miller, Brian E.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9906, 369 772, G11B 1704
Patent
active
06118618&
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to a loading device for loading, into a loading unit constituted within the device body, a recording medium such as an optical disc, etc. on which information signals are recorded, particularly a recording medium like a disc cartridge within which a disc such as an optical disc, etc. is accommodated, and a recording and/or reproducing apparatus for a recording medium provided with such a loading device.
BACKGROUND ART
Hitherto, as a recording medium for information signals, discs such as optical disc, magneto-optical discs and magnetic discs, etc. are used. The disc of this kind is constituted as a disc cartridge accommodated within a cartridge. A recording/reproducing apparatus using such a disc cartridge as a recording medium is adapted to load the disc cartridge at the loading section after having undergone positioning to carry out recording and/or reproduction of information signals through recording and/or reproducing means for information signals with respect to the disc accommodated within the disc cartridge.
The recording/reproducing apparatus using optical disc or magneto-optical disc as the recording medium is adapted so that the optical pick-up device and the magnetic head constituting the recording and/or reproducing means for information signals are disposed at the position corresponding to the loading section for the disc cartridge.
Meanwhile , in the recording/reproducing apparatus using disc such as optical disc, etc. as the recording medium, there is provided a loading mechanism for automatically loading the disc cartridge into the loading section within the apparatus body. The loading mechanism used in the recording/reproducing apparatus is provided with a holder adapted so that the disc cartridge is inserted therethrough and is held thereby, and a movement operation mechanism for allowing the holder to undergo movement operation ranging between the position at which insertion and withdrawal (disengagement) of the disc cartridge can be made with respect to the holder and the position where the disc cartridge is permitted to undergo loading operation into the loading section. This movement operation mechanism serves to allow the holder to undergo movement operation ranging between the position where insertion and withdrawal (disengagement) of the disc cartridge can be made and the position where the disc cartridge is permitted to undergo loading operation into the loading section. Namely, the disc cartridge is such that when the holder is in the state where it has been moved to the position where insertion and withdrawal of the disc cartridge can be made, insertion and withdrawal with respect to the holder is carried out through the insertion/withdrawal hole provided at the outer casing constituting the apparatus body, and when the holder is in the state where it has been moved to the position where the disc cartridge is permitted to undergo loading operation into the loading section, insertion/withdrawal with respect to the loading section is carried out.
The disc cartridge which has been inserted into the holder and held thereby, which is placed in the state where it has been moved to the position at which insertion/withdrawal of the disc cartridge can be made is caused to undergo movement operation along with the holder in a direction parallel to the principal surface of the disc accommodated within the cartridge, and is transferred (moved) to the position opposite to the loading section. The cartridge is then caused to undergo movement operation in a direction perpendicular to the principal surface of the disc, and is loaded into the loading section.
Moreover, in carrying out an eject operation to eject the disc cartridge loaded in the loading section to the outward of the apparatus body, the loading mechanism serves to first allow the disc cartridge to undergo movement operation in a direction perpendicular to the principal surface of the disc so that it is withdrawn from the loading section thereafter to carry out movement operation along wi
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Patent Abstracts of Japan, 61-123052, Published Jun. 10, 1986, Ricoh Co Ltd. "Disc Cartridge Loading Mechanism".
Miller Brian E.
Sony Corporation
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