摘要:
An urging structure for an output shaft of a drive motor of the invention is configured by a pressing plate 31 which abuts against an end face 24a of an output shaft 24, and an urging spring 36 which urges the pressing plate in the axial direction of the output shaft 24. In the pressing plate 31, a fixing portion 32 in one end is fixed onto a chassis 21 in the vicinity of the output shaft 24, and an abutting portion 34 is disposed on the tip end of a flexible arm portion 33. A spring holding portion 35 with which an end portion of the urging spring 36 that is fixed to a spring boss 37 is to be engaged is disposed on the rear face of the abutting portion 34.
摘要:
A playback mechanism of a recording medium is provided, by which a period of time required until information recorded in the recording medium is read out after the recording medium is inserted in an instrument body can be shortened and the size of the playback mechanism can be reduced. The mechanism includes an instrument body, conveying unit having a roller arm and disc guide, clamp playback unit having a locking pin, and locking member. The clamp playback unit is movable relatively to the instrument body. The locking member locks the locking pin to fix the clamp playback unit. The locking member releases the locking of the locking pin to make the clamp playback unit movable relatively to the instrument body. When the clamp playback unit clamps a CD, the roller arm and disc guide part from the CD, thereby the locking by the locking member is gradually released.
摘要:
A stepping motor driving system includes: a stepping motor that rotates at a predetermined angle according to a driving pulse signal, a vibration detector that detects vibration to output a vibration signal, and a stepping motor control unit that controls the driving pulse signal, which is applied to the stepping motor, to rotate the stepping motor at the predetermined angle. The driving pulse signal includes a start-up current which is required for rotating the stepping motor at a unit angle and a holding current which maintains a rotational angle of the stepping motor rotated by the start-up current. The stepping motor control unit changes the level of the holding current according to the vibration signal which is outputted from the vibration detector.
摘要:
A main frame supports a receiving-side connector to which a connecting-side connector is connected in movable manner toward inside. A holding unit holds the receiving-side connector that is moved to the inside. A connector biasing unit applies a biasing force toward outside to the receiving-side connector. A hold releasing unit releases a hold by the holding unit, and moves the receiving-side connector to the outside by the biasing force. A pressing-force applying unit applies, when the receiving-side connector is not moved by the biasing force, a pressing force for ejecting the receiving-side connector to the receiving-side connector.
摘要:
Provided is a disk carrying mechanism, in which a guide member (32) is installed on a disk guide block (41) and the disk guide block (41) with the guide member (32) being disposed on an opposite side of a roller (31) with a carrying route therebetween. The guide member (32) is formed as a ridge extending in a direction orthogonal to a direction of a carrying route and inclined from a center part to a peripheral edge part of a disk so that its height can be increased.
摘要:
A disc transfer section for transferring an optical disc by guide members and a transfer roller is disposed adjacent to an opening of a casing 110. A detector 500 for detecting the optical disc is disposed adjacent to the opening. When unloading the optical disc, the peripheral edge of the optical disc contacts with slide members so that the slide members are slid, thereby sensor switches SW1 to SW4 are appropriately switched on and off. Based on a time difference between the timings of the on/off switchings, the relation between a movement trajectory of the center of the optical disc and an axis of symmetry that is a straight line indicating a transfer direction at the center of the opening is judged in order to control the drive of a transfer motor according to the movement trajectory. The amount of advancement when the unloading is completed is kept constant.
摘要:
A support (611) that is substantially cylindrical so as to be received by a disk hole (1NA) and has a positioning portion (612) on a circumference adjacent to a first axial end is provided with a concave portion (613) of which both ends open to the circumference along a radial direction. A first engaging portion (614) protrudes from around the circumference at which a first axial end of the concave portion opens substantially opposes to the positioning portion with a gap equal to or more than a thickness of an optical disk (1N). A moving member (615) is disposed in the concave portion in a manner movable along a radial direction of the support. A second engaging portion (616) protrudes on an end of the moving member at a position corresponding to a second axial end of the concave portion.
摘要:
A connecting-side connector is connected to a receiving-side connector. A main frame supports the receiving-side connector in such a manner that the receiving-side connector is movable in a connection direction. A control unit performs a control of a movement of the receiving-side connector in the connection direction and a release of the control each time a pressing force is applied to the connecting-side connector in the connection direction.
摘要:
A main frame supports a receiving-side connector to which a connecting-side connector is connected in movable manner toward inside. A holding unit holds the receiving-side connector that is moved to the inside. A connector biasing unit applies a biasing force toward outside to the receiving-side connector. A hold releasing unit releases a hold by the holding unit, and moves the receiving-side connector to the outside by the biasing force. A pressing-force applying unit applies, when the receiving-side connector is not moved by the biasing force, a pressing force for ejecting the receiving-side connector to the receiving-side connector.
摘要:
Provided is a disk carrying mechanism, in which a guide member (32) is installed on a disk guide block (41) and the disk guide block (41) with the guide member (32) being disposed on an opposite side of a roller (31) with a carrying route therebetween. The guide member (32) is formed as a ridge extending in a direction orthogonal to a direction of a carrying route and inclined from a center part to a peripheral edge part of a disk so that its height can be increased.