Abstract: An optical disc drive including a housing, a disc exchanger, a data processing module, an optical disc cassette, a cassette ejector and at least an elastic element is provided. The disc exchanger is disposed inside the housing to operate within an operating range. The data processing module is disposed within the operating range inside the housing. The optical disc cassette is suitable for being set up within the operating range and has at least one hollow. The cassette ejector is disposed on the housing. The elastic element is disposed inside the housing. When the optical disc cassette is stationed inside the housing, a distance is kept between the elastic element and the hollow. The elastic element is disposed on an ejection path of the hollow. The elastic element is suitable for lodging inside the hollow of the optical disc cassette when the optical disc cassette is ejected from the housing.

Abstract: An optical control apparatus for a disc drive is provided. The disc drive comprises a disc selecting mechanism, a driving module and a control module. The control module controls the operation of the driving module and the driving module drives the disc selecting mechanism. The optical control apparatus comprises an optical sensor and a plate. The optical sensor is electrically connected to the control module and adapted to emit and detect a light beam. Additionally, the plate and the disc selecting mechanism are driven by the driving module simultaneously, and the plate is driven by the driving module to rotate. At least a portion of the plate is disposed on the path of the light beam emitted from the optical sensor. The optical sensor has at least one detecting region. After the plate has rotated a predetermined angle, the optical sensor is able to detect the detecting region.

Abstract: An optical disc cassette for accommodating optical discs is provided. The optical disc cassette comprises a housing, optical disc carriers and a cushioning pad. The housing has an inner wall, an opening and slide-track sets. The slide-track sets are disposed on the inner wall of the housing such that each slide-track set extends towards the opening of the housing. The optical disc carriers are disposed within the housing such that each optical disc carrier can slide along one of the slide-track sets. Each optical disc carrier has an indentation at an edge. The cushioning pad is disposed on the inner wall of the housing. Through the indentations, the optical discs on the optical disc carriers lean against the cushioning pad. Because the cushioning pads are disposed on the inner wall in a position to match the indentations on the optical disc carriers, the optical discs inside the cassette are stabilized.

Abstract: An optical disk drive has a disk slot for a disk to be inserted into, a roller for conveying the disk inserted in the disk slot and having a central region, and a plurality of sensing modules installed in the disk slot for sensing the position of the disk inserted in the disk slot and for enabling the roller to convey the disk while all have sensed the disk. One of the sensing modules is installed adjacent to the central region of the roller.

Abstract: An optical disc drive has a disc slot for a disc to be inserted into, a roller for conveying the disc inserted into the disc slot, and a disc-position sensing device having a plurality of sensing modules installed inside the disc slot for sensing a position where the disc is inserted into the disc slot. The roller does not convey the disc until all of the sensing modules have sensed the disc.

Abstract: An optical disc reading apparatus includes a main body, a first disc entrance and a second disc entrance. The main body has a disc-reading room therein for accommodating the optical disc. The first disc entrance is arranged on a first face of the main body for providing the optical disc with a first approach to the disc-reading room. The second disc entrance is arranged on a second face of the main body different from the first face for providing the optical disc with a second approach to the disc-reading room.

Abstract: An electronic apparatus with level detecting capability has an electronic component, a light-sensing device for sensing light, a light source for emitting light onto the light-sensing device, a light blocker for blocking light emitted by the light source from projecting onto the light-sensing device when the electronic component is tilted and has a tilt angle within a predetermined range, and a control circuit electrically connected to the light-sensing device for controlling the electronic component to selectively operate in one of a plurality of operating modes according to the intensity of light received by the light-sensing device.

Abstract: An optical recording and/or reproducing apparatus includes a disk compartment having an entrance-and-exit slot defining a disk-traveling path, and a guiding groove that has a first end proximate to the disk-traveling path and a second end opposite to the first end. A guiding arm is pivoted in the disk compartment, and has a disk-contact part disposed movably in the guiding groove. A buffer member is provided at either the first end or the second end of the guiding groove so as to absorb the impact force of the disk-contact part of the guiding arm.

Abstract: An optical recording and/or reproducing apparatus includes a disk protecting device having a stop member blocking an entrance-and-exit slot of the apparatus during the latter reads an optical disk.

Abstract: A roller-cleansing disk includes a substrate and an electrostatic layer mounted on one side surface of the substrate. When the roller-cleansing disk is inserted into an optical recording and reproducing device provided with a roller for drawing in or ejecting a CD disk, the electrostatic layer of the substrate contacts and cleans an outer surface of the roller.

Abstract: Disclosed is a counting device used in optical recording/reproducing apparatus, in which an optical storage media is directed into or moved away from the optical recording/reproducing apparatus via an opening thereof. In the optical recording/reproducing apparatus, the counting device comprises a sensor used to sense each entrance of the optical storage medium into the optical recording/reproducing apparatus through the opening and a counter used to count number of times of the entrances of the optical storage medium as sensed.

Abstract: An optical disc drive capable of adjusting disc-in and disc-out speeds is provided. The optical disc drive includes a housing, an adjusting unit for adjusting a current or a voltage, a motor for adjusting rotation speed based on the adjusted current and voltage, and a roller driven by the motor for adjusting disc-in and disc-out speeds.

Abstract: A transport roller for a disk recording and/or reproducing device includes a bearing axle, two tubular sleeves sleeved respectively on outer surfaces of left and right end portions of the bearing axle, and a spacer member mounted on an intermediate portion of the bearing axle for spacing the tubular sleeves apart from each other. The spacer member has an outer diameter that is greater than an outer diameter of the bearing axle and that is equivalent to or is smaller than the greatest outer diameter of a respective one of the tubular sleeves.

Abstract: Apparatus and method for an optical disc drive to feed and eject a disc are provided. The optical disc drive includes a housing having an opening, a disc-driving device for feeding the disc into the housing or ejecting the disc to a pickup position through the opening, and a logic unit for controlling the disc-driving device to feed the disc into the housing when the disc has stayed at the pickup position over a predetermined time.

Abstract: An optical storage drive with functions of detecting turn over is disclosed. When it is detected that an optical storage drive is turned over, the power of the optical storage drive is turned off, or the operation of the optical storage drive is stopped, or the optical disc originally in the optical storage drive is ejected, or some warning reactions are generated so as to prevent a user that accidentally turns over an optical storage drive from operating the optical storage drive.

Abstract: A slot-in optical recording and/or reproducing apparatus includes a case formed with a slot and a swingable cover. The case provides a housing for adopting components of the slot-in optical recording and/or reproducing apparatus. The optical disk is drawn out of/into the slot-in optical recording and/or reproducing apparatus through the slot. The swingable cover is used to expose/block the slot to/from the exterior of the slot-in optical recording and/or reproducing apparatus.

Abstract: A slot-in optical recording and/or reproducing apparatus (optical read/write device), which reads/writes data from/to an optical storage media (e.g., compact disk), can smoothly lead an optical storage media is disclosed herein, the slot-in optical read/write device at least includes the elements described below. A slot formed at the panel of the front portion of the case, thus enable the optical disk to enter/leave the slot-in optical recording and/or reproducing apparatus through the slot. A roller positioned in the case adjacent to the slot to provide a force which delivers the optical disk into/out of the case. A guiding mechanism positioned between the slot and the roller. The guiding mechanism is used to confine the optical disk, and make the optical storage media smoothly reach the top portion of the roller.

Abstract: An apparatus for controlling the disc loading/ejecting operation in an optical disc drive that has a turntable and is able to access a larger disc and a smaller disc. By utilizing two sensors, it can be detected whether an optical disc passing the positions corresponding to those two sensors or not. Moreover, a logical element for managing the loading/ejecting operation according to the outputs of the first and the second sensors controls a motor to drive a roller to load or eject the optical disc. Besides, a method for controlling the disc loading/ejecting operation accordance with the apparatus mentioned above is also disclosed. The outputs of those two sensors are referenced, and choice for performing loading or ejecting operations is determined according to the transition of the outputs of the sensors.

Abstract: A method for controlling the disc ejecting operation in an optical disc drive by utilizing a logical element for receiving a state of a switch to drive a roller to load or eject the optical disc is disclosed in this invention. The method comprising the steps that to perform an ejecting operation when the logical element receives an eject command and to selectively perform an additional ejecting operation according to the changing of OFF/ON states of the switch. The additional ejecting operation is for ejecting the disc further after the disc ejecting operation. The additional ejecting operation can be driving the roller for a predetermined period of time or a predetermined number of revolutions to further eject the disc. The additional ejecting operation can also be driving the roller to eject the disc until the switch is at OFF state, and a maximum period of time or a maximum number of revolutions is set to constrain the additional ejecting operation.

Abstract: A disk drive includes a chassis and first and second disk-positioning members mounted respectively on two opposite sides of the chassis. The first and second disk-positioning members have two straight inner portions extending perpendicularly and respectively from the opposite sides of the chassis to define a first distance therebetween, and two outer portions extending inclinedly and respectively from the inner straight portions in such a manner to define a second distance therebetween. The second distance is longer than the first distance. When an optical disk is moved to a reading and/or writing position from a temporary position, the inclined outer portions of the first and second disk-positioning members are spaced apart from the disk to permit smooth rotation thereof.