Matches 1 - 31 out of 31


Match Document Document Title
6625087 Means for loading or extracting data from a portable object, such as, in particular, a timepiece  
A portable object such as, in particular, a timepiece, including an electronic movement carried by a printed circuit (20), this electronic movement including a time base circuit, a frequency...
6526005 Disc-like record carrier with information track containing control information including disc diameter  
A disc-like record carrier has a machine-readable information track in which is provided record carrier control information including the actual physical diameter of the carrier.
6388962 Disc-like record carrier, recording and/or reading apparatus for recording/reading information in the record carrier  
A disc-like record carrier (1) has control information recorded. The control information comprises diameter information which is indicative of the diameter of the record carrier. An information...
6026068 Optical disk apparatus  
A constant linear velocity control (CLV control) for controlling a spindle motor so as to set a linear velocity in a track circumferential direction to be constant and a constant angular velocity...
5854719 Methods and apparatus for detecting whether a removable cartridge disk drive is empty  
The presence of a disk cartridge in a disk drive is detected by obtaining a measure of the load on the spindle motor of the disk drive and comparing that measure to a threshold value. The measure...
5748591 Disk drive  
A disk drive capable of determining the diameter of the currently loaded disk in a short time without the use of additional attachments such as optical sensors. Servo gains are first set to permit...
5644561 Method of discerning disc in compact disc drive  
A method of discerning an optical disk in a compact disk drive which includes the steps of moving an optical pick-up device to a table of contents (TOC) region of an optical disk to perform a...
5508987 Disk player having a system configuration for determining the diameter of loaded disks  
An object of this invention is to provide a disk player in which a plurality of disks different in diameter are driven, and can be identified with high accuracy. Disclosed is the disk player, a...
5054014 Optical disk recording/reproducing apparatus and rotary drive therefor  
An apparatus for rotationally driving an optical disk in an optical disk recording and/or reproducing apparatus capable of recording or reproducing signals from disks having different sizes...
5042025 Rotation control system for disk player  
A rotation control system for disk player in which the player detects the size of a disk housed in the player, varies the starting torque to be given to the disk motor in response to the detected...
4979160 Front loading disk player  
A front loading disk player has an insertion slot for receiving variable sizes of disks to be played. As the disk is inserted it encounters pinch rollers on the free ends of pivoting arms. The...
4773052 Dual mode disk player/recorder  
In a compatible recording and reproducing apparatus which is capable of recording and reproducing information on both a video disk and a digital audio disk, a relative angle between an optical axis...
4653040 Disk size detecting circuit  
In a disk size detecting circuit, the size of a disk is determined according to the speed of a motor adapted to rotate the disk and the angle through which motor has rotated after the start...
4000906 Two-speed automatic phonograph  
A two-speed automatic phonograph has a self-resetting, record-centering pilot to receive records having different size apertures therein. The records of different size apertures are to be operated...
3966330 Phonograph record detecting arrangement  
The presence and size of a recorded disc on a turntable is detected and indicated by the interruption of a beam or beams of energy which passes in the plane of the disc, through a hole or holes in...
3814442 PHONOGRAPH RECORD PLAYER  
A phonograph record player is provided wherein a turntable drive mechanism is mounted within a well formed in a supporting base, the turntable having a depending flange which nests in an annular...
3481608 RECORD CHANGER  
3455560 TWO-SPEED TURNTABLE FOR AUTOMATIC PHONOGRAPH  
3436082 AUTOMATIC PHONOGRAPH RECORD CLAMPING AND SPEED CONTROLLING MECHANISM  
3393915 Two-speed phonograph drive  
3332689 Automatic record changer tone arm control  
3162446 Speed changer for a record player  
3034792 Automatic speed control mechanism for phonographs  
3012788 Phonograph record changers  
3002758 Automatic record changer speed control  
2997303 Automatic turntable speed and needle changer control for playing intermixed records  
2984490 Apparatus for controlling intermission between the automatic playing of records  
2974962 Automatic indexing record changer  
2966358 Automatic record changer speed control  
2963297 Record player  
2885208 Phonograph record player speed selector  
Matches 1 - 31 out of 31