30 results about "Optical disc drive" patented technology

A single-servo-layer multi-recording-layer optical disc drive, a memory, and an electronic device. A dichroic mirror is provided in the optical disc drive. A light beam of a first light source is projected on the surface of one side of the dichroic mirror and then is reflected to a recording medium of an optical disc to read and write data. A light beam of a second light source may directly transmit through the dichroic mirror and be transmitted to a servo layer of the recording medium of the optical disc. The dichroic mirror can be fixed in the optical disc drive by means of a movable assembly. The movable assembly can change the orientation of the dichroic mirror to adjust the relative position between a propagation direction of the light beam of the first light source and a propagation direction of the light beam of the second light source, so as to eliminate errors generated in the processes of installation, use and the like of the optical disc drive. The optical disc drive of the present application has the advantages of small internal structure change, simple implementation process, high control precision and the like, and the effect that while accurate servo of the light beam of the second light source in the servo layer is implemented, the light beam of the first light source is projected to a data track center of each recording layer of the optical disc is realized at low costs.

The present invention provides an optical disk drive capable of guiding the center of an optical disk to the position of a spindle motor while reducing the number of components. A base frame (2) includes stop portions (26a, 26b) that contact the outer edge of the optical disk that has reached the position of the spindle motor (11) and restrict the backward movement of the optical disk. A switching arm (80) includes contact portions (82a, 82b) that are located on the side opposite the stop portions (26a, 26b) in the case where the optical disk has reached the position of the spindle motor (11) and is interposed therebetween. The switching arm (80) pushes the optical disk toward the stop portions (26a, 26b) with the contact portions (82a, 82b).

The application discloses a drive mechanism of an optical disc machine and an optical pickup assembly thereof, which is connected between a screw rod of a stepping motor and the optical pickup assembly, and enables the optical pickup assembly to move back and forth along the axial direction of main guide rods and vice guide rods. The drive mechanism comprises a special-shaped bearing connecting piece and a spring. The bearing connecting piece is provided with oblique teeth which are engaged with the screw rod. The spring is arranged at the back of the oblique teeth, so that the oblique teeth are always engaged with the screw rod. The bearing connecting piece is more stable and reliable when being driven by the oblique teeth and the screw rod. In combination with the pre-pressing force of the elastic element, the reliable and stable tracking movement of the optical pickup assembly is effectively ensured. The structure is reasonable and simple, the installation and operation are convenient, and the maintenance cost after sale is remarkably reduced. The scheme is practical and effective, and especially applied to the core of the optical disc machine (commonly known as the optical drive) configured by the traditional desktop computer, so that good profit value can be realized.

The invention discloses a built-in expansion card for replacing a Microsoft driver, and belongs to the technical field of expansion cards. Comprising a configuration module, and the configuration module comprises a first PCIe device used for data transmission and network communication; the second PCIe equipment is used for simulating an optical disc driver; the switching control register is connected with the first PCIe equipment and the second PCIe equipment, and the switching control register stops driving the second PCIe equipment under the control action of the first PCIe equipment; and the storage module is connected with the configuration module through the first interface and is used for storing the driving data. The technical scheme has the beneficial effects that the drive data is stored in the memory, a built-in drive program channel of Microsoft does not need to be depended on, and the equipment drive can be conveniently installed under the condition that an optical disk is not installed.

Provided is an optical disc drive (1) having a small number of components. An optical disc drive (1) is provided with: a turntable (30) for rotating an optical disc; a chuck pulley (15); a top frame (10) having an opening (10a) formed at a position overlapping the chuck pulley (15) in plan view; and a first arm (141) that holds the chuck pulley (15). The first arm (141) comes into contact with the first guide (101) of the opening (10a), and changes the orientation in accordance with the contact position with the first guide (101) so as to move the chuck pulley (15) between a standby position and a chuck position for holding the optical disc together with the turntable (30).

The utility model is suitable for the technical field of data inspection, and provides a mobile medium inspection device, which comprises an inspection device body, one end of the front side surface of the inspection device body is provided with a power-on button, the front side surface of the inspection device body is provided with a plurality of USB ports, the front side surface of the inspection device body is provided with an optical disk drive, and the optical disk drive is provided with a power-on button. The front side surface of the detection device body is provided with an SDXC card slot, and one end of the front side surface of the detection device body is transversely and fixedly connected with a guide rod. According to the mobile medium inspection device, through the arrangement of a plurality of USB ports, an SDXC card slot and an optical disc driver, mobile storage media such as a USB flash disk, a mobile hard disk, an optical disc and a storage card can be conveniently accessed, data stored in the media can be inspected, and in the inspection process, after the transparent baffle is pulled to cover the surface of the starting button, the transparent baffle is pulled to move to cover the surface of the starting button; and the power-on button is shielded, so that the condition of mistaken touch in the checking process is avoided.

The present application is applied to the field of optical storage. Provided is an optical pickup. The optical pickup comprises a first laser, a first collimating lens, an intermediate lens group, a first detector, and a focusing lens, wherein the first laser is used for generating a first light beam and transmitting the first light beam to the first collimating lens; the first collimating lens is used for transmitting the first light beam to the focusing lens through the intermediate lens group; the focusing lens is a binary optical element; the focusing lens is used for transmitting the first light beam to an optical recording medium and receiving a reflected light beam of the first light beam from the optical recording medium; the focusing lens is further used for transmitting the reflected light beam of the first light beam to the first detector through the intermediate lens group; and the first detector is used for converting the reflected light beam of the first light beam into a first electrical signal. In the technical solution provided by the present application, by means of using a binary optical element as the focusing lens, the sag of the focusing lens can be reduced, and thus the size of the optical pickup can also be reduced.

1. Name of the product in this design: Optical disc drive mounting bracket (1). 2. Purpose of this design: For mounting and securing optical disc drives. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses an optical disk driver transcription device, which is characterized in that an openable cover body is arranged at the top of a host, and an optical disk bearing platform and a circuit board are arranged in the host; the optical disc bearing platform is provided with a rotary bearing module and an optical reading module capable of reciprocating, and the optical reading module is used for acquiring a first image. The circuit board comprises a file processing module and a memory card slot, and the file processing module is connected with the optical reading module; the AV terminal group is located on the surface of the host and is connected with the file processing module. When a default optical disc is placed on the rotary bearing module and the cover body is closed, the optical reading module reads a first image from the default optical disc and transmits the first image to the file processing module, and the file processing module converts the first image and a second image from the AV terminal group into a third image. Therefore, the CD-ROM driver transcription device can perform conversion between analog images and digital images.

The present invention provides an optical disc drive that can maintain the contact between the optical disc and the transfer roller while reducing the number of components. The transfer roller (20) includes a right roller (21R) rotatable about an axis (CR) and a left roller (21L) rotatable about an axis (CL), and the right roller and the left roller are arranged in the left-right direction. The right end portion of the right roller portion (21R) or the left end portion of the left roller portion (21L) can move in the up-down direction relative to the other without changing the relative position between the axis (CR) and the axis (CL).

The present invention discloses an offline dual-array optical disc data storage device, comprising a rack, the rack being provided with an offline library for storing optical discs, an online library for reading and writing optical discs, and a robotic device for transporting optical discs. The offline and online libraries are located on either side of the robotic device. The offline library is provided with a plurality of offline optical disc storage units, and the online library is provided with a plurality of optical disc drives for online reading optical discs. Each optical disc storage unit in the present application is a completely independent unit body and is detachably mounted on the rack, enabling offline storage. This maximizes the data storage capacity of the offline dual-array optical disc data storage device within a limited space.

There is provided an optical disc drive that can guide the center of an optical disc to the position of a spindle motor, while allowing the number of components to be reduced. A base frame includes a stopper portion that comes into contact with an outer edge of the optical disc having reached the position of a spindle motor and that restricts backward movement of the optical disc. A switch arm includes a contact portion located on a side opposite to the stopper portion across the optical disc having reached the position of the spindle motor, and the switch arm uses the contact portion to push the optical disc toward the stopper portion.

To provide an optical disc drive (1) with a smaller number of components. The optical disc drive (1) includes a turntable (30) for rotating an optical disc, a chuck pulley (15), a top frame (10) having an opening (10a) formed at a position overlapping the chuck pulley (15) in a plan view, and a first arm (141) that holds the chuck pulley (15), in which the first arm (141) contacts a first guide section (101) of the opening (10a) and changes the posture so as to move the chuck pulley (15) between the stand-by position and the chuck position at which the first arm (141) and the turntable (30) sandwich the optical disc depending on a position at which the first arm (141) contacts the first guide section (101).

There are provided an optical disk drive (20) that is easily attachable and detachable, and an electronic equipment unit (10) that includes the optical disk drive (20). The optical disk drive (20) detachably attachable to the electronic equipment (10) includes a case (21) having an insertion opening (21b) through which an optical disk is inserted, and a connector terminal (22). The case (21) is provided with a locking pawl (31a) supported by the electronic equipment (10) in a manner allowing the connector terminal (22) to pivot between a non-connecting position in which the connector terminal (22) is not connected to a connector terminal (13) provided on the electronic equipment (10), and a connecting position in which the connector terminal (22) is connected to the connector terminal (13).

The embodiment of the invention discloses an optical disc driver, an optical disc driving method, optical disc jukebox equipment and an optical disc jukebox system, relates to the technical field of storage, and solves the problems of poor expansion capability and high implementation cost when a server needs to communicate with more optical disc drivers. According to the specific scheme, the optical disc driver is provided, and the optical disc driver comprises an Ethernet connector, a first processing circuit and a first optical pickup unit which are sequentially coupled. Wherein the first optical pickup unit is used for writing data into an optical disc or reading data from the optical disc. The first processing circuit is used for processing the data. The Ethernet connector is used for transmitting the data based on an Ethernet protocol.

Embodiments of the present application relate to the technical field of storage. Disclosed are an optical disc drive, an optical disc driving method, an optical disc library device, and an optical disc library system, solving the problems that when a server needs to communicate with more optical disc drives, the expansion capability is poor, and the implementation cost is high. The specific solution comprises: providing an optical disc drive. The optical disc drive comprises an Ethernet connector, a first processing circuit, and a first optical pickup unit which are coupled in sequence. The first optical pickup unit is used for writing data into an optical disc, or reading data from the optical disc. The first processing circuit is used for processing the data. The Ethernet connector is used for transmitting the data on the basis of an Ethernet protocol.

The present application provides an optical disc drive, applicable to the field of optical storage. The optical disc drive comprises an optical pick-up unit (OPU), a driving motor, guide rails, and a spindle motor. The spindle motor is used for bearing and rotating an optical disc. The driving motor is used for driving the OPU to move along the guide rails, so as to pick up data stored on the optical disc or store data into the optical disc. The motion trajectory of the OPU is a composite motion of unidirectional linear motion and sinusoidal motion. According to the technical solution provided by the present application, the repeated sinusoidal motion is applied to the driving motor, such that a motion range of an objective lens can be narrowed, thereby reducing changes in the distance between two light spots caused by the motion of the objective lens, and thus improving the reliability of data storage or pick-up.

An optical disc drive, memory, and electronic device are provided for an optical disc having a single servo layer and multiple recording layers. A dichroic mirror is present inside the optical disc drive. The beam of a first light source is irradiated onto the surface of one side of the dichroic mirror and then reflected onto the recording medium of the optical disc for reading and writing data. The beam of a second light source may pass directly through the dichroic mirror and be transmitted to the servo layer of the recording medium of the optical disc. The dichroic mirror may be fastened inside the optical disc drive via a movable component. The movable component may change the orientation of the dichroic mirror to adjust the relative position between the propagation direction of the beam of the first light source and the propagation direction of the beam of the second light source, thereby eliminating errors that occur during the installation and use of the optical disc drive. The optical disc drive in this application has advantages such as fewer changes to the internal structure, a simpler implementation process, and high control accuracy. When servo control is performed accurately and at low cost via the beam of the second light source in the servo layer, the beam of the first light source is irradiated onto the center of the data track of each recording layer of the optical disc.

The invention provides a connection structure and an optical disc drive (20) capable of suppressing the influence of noise. The connection structure electrically connects an electronic device (10) and an optical disc drive (20) removably attached to the electronic device (10), the structure comprising: a connector terminal (22) provided to the optical disc drive (20); a connector terminal (13) provided to the electronic device (10) and connectable to the connector terminal (22); a circuit board (11) which is housed in the housing (12) of the electronic device (10) and on which the connector terminal (13) is mounted; a ground provided to the circuit board (11); and a gasket (40) that electrically conducts ground and a metal portion of the optical disc drive (20) in a state in which the connector terminal (22) and the connector terminal (13) are connected to each other.

A computer chassis includes a chassis, a panel covering a front plate of the chassis, a carrying frame assembled to two lateral plates of the chassis, and an optical disc drive (ODD) that is assembled to the carrying frame. The carrying frame has a first arrangement angle, a second arrangement angle, and a third arrangement angle with respect to the chassis. When the carrying frame is at the first arrangement angle, the carrying frame is detachable from the chassis. When the carrying frame is at the second arrangement angle, the carrying frame abuts against the front plate and is movable away from the front plate. When the carrying frame is at the third arrangement angle, the carrying frame is movable toward the front plate and a surface of the ODD is flushed with the panel through an opening of the panel.

A disc drive is provided which can realize a transport roller position operating mechanism, a centering mechanism, and a clamping cam operating mechanism with fewer parts. A base frame (2) has a spindle motor (11) and an optical element. An inner case houses the base frame (2) and supports a transport mechanism configured to transport a disc to a position of the spindle motor (11). An outer case houses the inner case. The base frame (2) is fixed in the inner case by a first damper (130), and the inner case is fixed in the outer case by a second damper (140).

The present invention reduces the size of an optical disc drive by shortening the path for transmitting the rotation of a loading motor. The transmission roller (20) contacts the optical disc and transmits the optical disc toward the position of a spindle motor (11) when in a first roller position, and does not contact the optical disc when in a second roller position. The slider (70) places the transmission roller (20) in the first roller position when in a first operating member position, and places the transmission roller (20) in the second roller position when in a second operating member position. The first transmission mechanism transmits the rotation of the loading motor (60) to the transmission roller (20). The second transmission mechanism transmits the rotation of the loading motor (60) to the slider (70). The distribution mechanism engages with each of the first transmission mechanism and the second transmission mechanism to distribute the rotation of the loading motor (60) to the first transmission mechanism and the second transmission mechanism.

The invention provides a single-servo-layer multi-recording-layer optical disc drive, a memory and an electronic device. And a dichroscope is arranged in the optical disc driver. After being projected on one side surface of the dichroscope, a light beam of the first light source is reflected to a recording medium of the optical disc to read and write data. The light beam of the second light source can directly penetrate through the dichroscope and can be transmitted to the servo layer of the recording medium of the optical disc. The dichroscope can be fixed in the optical disc driver through the movable assembly. The movable assembly can change the direction of the dichroscope so as to adjust the relative position between the propagation direction of the light beam of the first light source and the propagation direction of the light beam of the second light source, and errors generated in the processes of installation, use and the like of the optical disc driver are eliminated. The optical disc driver has the advantages of small internal structure change, simple implementation process, high control precision and the like, and the light beam of the first light source is projected to the data track center of each recording layer of the optical disc when the light beam of the second light source is precisely servo in the servo layer at lower cost.

An optical disc drive (20) easy to mount and dismount and an electronic device unit (10) including the same are provided. An optical disc drive (20) attachable to and detachable from an electronic device (10) has a housing (21) having an insertion opening (21b) through which an optical disc is inserted, and a connector terminal (22), in which the housing (21) is provided with a locking tab (31a) supported by the electronic device (10) to allow the connector terminal (22) to pivot between a non-connected position and a connected position, the connector terminal has a non-connection position in which the connector terminal is not connected to a connector terminal (13) provided to the electronic device (10), and a connection position in which the connector terminal is connected to the connector terminal (13).

1. Name of the product in this design: Optical disc drive mounting bracket (2). 2. Purpose of this design: For mounting and securing optical disc drives. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention provides an optical disc drive which can implement a plurality of mechanisms including a mechanism for operating the position of a transfer roller, while being able to reduce the number of components. The transfer roller position operating mechanism moves the position of the transfer roller (20) between a first roller position where the transfer roller (20) contacts the optical disc and a second roller position where the transfer roller (20) is separated from the optical disc. The centering mechanism adjusts the center of the optical disc to the position of the spindle motor (11). The clamping pulley operating mechanism operates the position of the clamping pulley (12) to fix the optical disc to the spindle motor (11). The transfer roller position operating mechanism includes a rotating arm (90) which moves by colliding with the optical disc at a position close to the spindle motor (11), and at least one of the centering mechanism and the clamping pulley operating mechanism includes a member coupled to the rotating arm (90).

The invention discloses an optical disc driver, which comprises a movement base, a tray, a tray support and a tray driving mechanism, and is characterized in that the tray driving mechanism comprises a sliding part, a driving gear and a tray driving part for driving the driving gear to rotate, and the sliding part comprises a main sliding block; when the tray is popped out, the driving gear drives the main sliding block to move to a first displacement point in the Y + direction of the Y-axis direction, so that the driving gear can drive the tray to be popped out in the machine core base in the X + direction of the X-axis direction; when the tray support is popped out, the driving gear rotates reversely to drive the sliding component to move in the Y-direction of the Y-axis direction, and the sliding component can drive the tray support to be popped out in the machine core base in the X + direction. Pop-up of the tray support and pop-up of the tray are mutually independent and do not interfere with each other, so that when the optical disc is loaded to the target optical disc driver, the optical disc driver arranged oppositely can pop up the tray support and support the front end of the tray of the target optical disc driver, reading and recording are kept, and the read-write performance of the optical disc device is prevented from being affected.

To provide an optical disc drive (1) with a smaller number of components. The optical disc drive (1) includes a turntable (30) for rotating an optical disc, a chuck pulley (15), a top frame (10) having an opening (10a) formed at a position overlapping the chuck pulley (15) in a plan view, and a first arm (141) that holds the chuck pulley (15), in which the first arm (141) contacts a first guide section (101) of the opening (10a) and changes the posture so as to move the chuck pulley (15) between the stand-by position and the chuck position at which the first arm (141) and the turntable (30) sandwich the optical disc depending on a position at which the first arm (141) contacts the first guide section (101).