Pioneer Electronic Corporation

Sony Corporation

Sei Onishi

Kiyohito Kajihara

Atsushi Kurosawa

Kiyoshi Morikawa

Kaoru Takemasa

Osamu Kitazawa

Toshiyuki Kimoto

Susumu Yoshida

Kenji Uchiyama

Tetsuya Tanaka

Akira Takahashi

Masahiko Kawamura

Seiji Kurauchi

Testuro Kamimura

Tadahisa Komurasaki

Atsushi Kurokawa

A system controller reads first identification information from a semiconductor storage medium. The system controller causes an audio block to operate when a portion of the first identification information coincides with one of a whole and a portion of the second identification information stored in a non-volatile memory. The system controller stores another portion of the first identification information as a portion of the second identification information in the non-volatile memory. Even if a user adds the first identification information to the semiconductor storage medium, an onboard audio apparatus reads and stores an additional portion of the first identification information in the non-volatile memory. The first identification information added by the user is used for a next operation enable/disable determination for the audio block.

Electronic apparatus, electronic apparatus operation system, authentication system, authentication method, and information storage medium

A disk recording and/or reproducing apparatus includes: a loading mechanism for drawing a disk having been inserted through an opening portion into the apparatus or drawing the disk having been held in the apparatus out of the opening portion; and an opening/closing sheet having first and second opening/closing portions, the first and second opening/closing portions being deformed by the disk to thereby open/close the opening portion. At least one of the first and second opening/closing portions has at least one deforming portion for facilitating the deformation of the opening/closing portion when the opening/closing portion is deformed by the disk carried by the loading mechanism.

Disk recording and/or reproducing apparatus

A CD player has a magazine containing a plurality of trays each of which mounts a CD, and a moving device for moving one of the CDs between the magazine and a playback position. The starting of the operation of the moving device for moving the CD from the playback position to the magazine is detected and a CD start signal is produced. When the CD does not arrive to the magazine after a predetermined time from the production of the CD start signal, the CD is returned to the the playback position and moved from the playback position to the magazine again.

System for recovering a CD in a CD player having a magazine containing a

A disk playback device includes a magazine for several disks and trays for supporting the disks, a magazine housing for the magazine, a disk playback section for playing back data recorded on a disk and a tray transport section for transporting a tray, supporting a selected disk, between the magazine and the playback section. In one embodiment, the playback device includes a disk guide for securely placing a played back disk onto its associated tray. In another embodiment, the playback device includes a disk guide for guiding disks of various diameters. In another embodiment, the playback device includes an optical detecting element for detecting whether a tray contains a disk. In another embodiment, the playback device includes a switch for detecting whether a magazine has been inserted and locked in the magazine housing. In another embodiment, the playback device includes a guide mechanism for securely guiding a disk clamper to a selected disk for playback.

Disk playback device

A CD player has a magazine containing a plurality of trays each of which mounts the CD, a magazine holder for holding the magazine, and a frame for vertically movably supporting the magazine holder. A pair of opposed stopper plates are provided on the frame adjacent an outlet of the tray provided on the magazine. Opposed ends of the stopper plates form a gap there-between having a width through which only one tray is passed.

Stopper for trays in a magazine of a CD player

A damper has a cylindrical body having a flexible plate portion. The body is inserted into a cylindrical holder. The outer periphery of the body is secured to the holder with an adhesive so as to restrict deformation of the body caused by movement of a rod to be engaged with the flexible plate portion.

Damper filled with oil

A CD player has a magazine containing a plurality of trays each of which mounts a CD, and a magazine holder. The magazine holder has an inlet for inserting the magazine. An upper and a lower edges of the inlet has an upwardly inclined guide portion and a downwardly inclined guide portion, respectively.

Magazine holder in a CD player

A CD player has a magazine containing a plurality of trays each of which is provided for mounting a CD, and a moving device for moving one of the CDs between the magazine and a playback position. Switches are provided for producing CD position signals each of which represents a CD position on a path of the moving tray, and a photosensor is provided for detecting the CD passing the CD position informed by said CD position signal. A display indicates whether the CD exists on the tray.

System for detecting a CD on a tray in a compact disk player having a

A device for detecting the end of the tape indicating that the tape cassette is entirely wound on one reel so that the reels are prevented from rotating further and such that the driving direction is reversed. The tape end detecting device includes a switch for indicating the end of the tape, a rotatable wheel responsive to the driving of the tape so as to rotate in a predetermined direction irrespective of the direction in which the tape is driven, a pivotable arm engageable at one end with the rotatable wheel and movable in a forward and backward direction, a rotatable cam member including a movable cam engageable with a pin of the pivotable arm to pivotably move the pivotable arm and an urging cam for urging the pin when the pivotable arm does not pivot and an operating portion mounted on the pivotable arm operating the switch when the pin is urged by the urging cam.

Tape end switch detecting device for tape player

A disk reproduction apparatus of the type capable of being displaced from a horizontal attitude to a vertical attitude or vice versa includes an outer casing; a support frame disposed inside the outer casing in a floating manner and loaded with a magazine in which a compact disk is mounted; a vibration proof mechanism disposed between the corresponding side surfaces of the outer casing and the support frame; and a pickup device disposed above the compact disk, and being movable and adapted to read the information recorded on the compact disk. The vibration proof mechanism includes a support, such as a rotating plate, pivotally secured to the side surface of the outer casing, and a spring having one end engaged with the pivotal rotating plate and the other end secured to the side surface, opposing to the side surface of the outer casing, of the support frame. Several vibration proof mechanisms may be disposed on both side surfaces of the outer casing and the support frame. The operation of the pickup device is controlled by a servo-controlled mechanism so as to be movable in a radial direction of the compact disk.

Disk reproduction apparatus capable of being disposed in different

An improved detection device for detecting whether a tape is a normal tape or a chrome or metallic tape and for detecting whether the recording head is at an eject position, a stop position or a recording/reproducing position. The device includes an operating piece movable in accordance with the movement of the recording head, a switching piece for turning ON and OFF a switch, the switching piece having a cam surface engageable with the operating piece, a detecting piece having a cam surface engageable with the operating piece and having a detecting portion insertable into a tape characteristic hole formed in a cassette half, and a second switch adapted to be turned ON and OFF in accordance with the movement with the head.

Device for detecting tape characteristics and head position

Compensating arrangements compensate for variations in load which a disk magazine places on a drive motor. In a first arrangement, a cam slot of a predetermined spiral configuration receives driving force from a drive motor and translates the same to: an end-range force from an initial portion of the cam slot which causes the selected tray to rotate at a first speed; an intermediate-range force from a middle portion which causes the selected tray to rotate at a second speed which is higher than the first speed; and, an end-range force from a final portion which causes the selected tray portion to rotate at a third speed which is lower than the second speed. In a second arrangement wherein a level of the disk magazine placeable in either a horizontal or vertical posture is adjusted with respect to the inlet of an information reproducing section, where there is an adjustment of a level position of the disk magazine in a same direction as gravitational force, a spring force from the spring attached at an oblique angle between the disk magazine and a frame portion of the disk player, offsets a portion of the load imposed on the drive motor by gravitational force on the disk magazine; and, when in an opposite horizontal or vertical posture, a spring force from the spring adds to a load imposed on the drive motor.

Multi-disk disk player having minimally-sized magazine drive motor

A carriage supporting apparatus in a disc player is disclosed which comprises a carriage plate; a holder for supporting the carriage plate; a first damper portion provided at one of the carriage plate and the holder, the first damper portion having an annular surface and a plurality of pleat-like projections formed on the annular surface; a second damper portion provided at remaining one of the holder and the carriage and having an annular portion which confronts, with a space, the pleat-like projections of the first damper portion; and a cup-shaped thin wall portion disposed between the first and second damper portions.

Growing community of inventors

Saitama, Japan

Sei Onishi