Abstract: A disc apparatus for recording information to and reproducing information from a disc includes a turntable with a magnetized surface; an excitation coil disposed opposite the magnetized surface of the turntable; a drive circuit driving a focus actuator; a detector detecting focusing error; and a control circuit. The control circuit controls energization of the excitation coil in accordance with the detector so as to move the turntable in the axial direction via the magnetic force between the excitation coil and the magnetized turntable.

Abstract: The particle diameter of droplets is controlled without improvements on a nozzle plate. An ultrasonic wave causes a radiation pressure to be intermittently applied to an opening in a cycle having a period shorter than the fundamental vibration period of a liquid surface in the opening. A high-order standing wave is then generated at the liquid surface in the opening to cause a plurality of droplets to be emitted simultaneously. Since the plurality of droplets are simultaneously emitted from a plurality of mounds of the high-order standing wave, the droplets have a diameter smaller than the diameter of the opening and are emitted vertically upwardly. The diameter of the droplets is controlled by the order of the high-order standing wave to be generated. The order of the standing wave is increased by shortening the period for which the radiation pressure is applied to the opening.

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recorrding paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the re

Abstract: An automatic disc-changing apparatus for selectively transporting cartridge holders from a standby position to a recording and reproducing position, or from a recording and reproducing position to a standby position. The cartridge holders are capable of accommodating a plurality of cartridges containing discs to record information thereon and thereby transport any single cartridge. The automatic disc-changing apparatus comprises a plurality of cartridge holders for holding the cartridges; a standby-holding mechanism for holding the cartridge holder in the standby position; a transport-holding mechanism for selectively engaging with the cartridge holder for transport; a transfer mechanism for moving the transport-holding mechanism horizontally to the front and rear of the apparatus; and an elevator mechanism for raising and lowering the transport-holding mechanism. This apparatus is compact, simple in configuration and convenient to use.

Abstract: An image reading device comprises: a frame; a reading unit provided with a line sensor for reading a text image; a guide member fixed to the frame for supporting the reading unit such that the reading unit is free to slide in a predetermined direction; and a stay fixed to the frame. A screwhole is formed at a predetermined position in the reading unit, a first throughhole is formed in the frame coaxially with the screwhole, and a second throughhole is formed in the stay coaxially with the screwhole and the first throughout. Further, an elastic member having a third throughhole engages with the first throughhole in the frame, and a holding member is provided comprising a grip of large diameter and a screw of small diameter. The reading unit is fixed, when the image reading device is transported, by screwing the screw into the screwhole of the reading unit through the second throughhole of the stay and through the third throughhole of the elastic member.

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recorrding paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transfferring images onto the recording paper; a paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; a paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases t

Abstract: A reading unit for an image reading device includes a lens tube for forming an image of an object and a line sensor for converting the formed image into an electrical signal. A reducing/magnifying mechanism is included for changing the magnification of the image detected by the line sensor. The lens tube is movable such that the optical path length between the lens tube and the line sensor is adjustable to thereby vary magnification of the image. Further, in response to the movement of the lens tube, a movable mirror is adjusted. The mirror is set in a first predetermined position and directs reflected light from the object to the lens tube to shorten the optical path length between the object and the lens tube and thus relatively increase magnification, in response to the lens tube being in a predetermined normal position with a relatively long optical path length between the lens tube and the line sensor.

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; a paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; a paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recorrding paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transfferring images onto the recording paper; a paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; a paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases t

Abstract: A printing apparatus employs a nearly linear conveying path P2 for printing paper P from a position confronting the platen roller 6 and thermal head 7 for composing the printing unit 3 to the paper discharge unit 2. The capstan roller 4, pinch roller 5, and discharge rollers 10, 10 are disposed opposedly to the conveying path P2, and at an intermediate position of the conveying path P2 intersects the conveying path P1 from the paper supply unit 1 to the printing unit 3. A paper supply port is disposed at the bottom of the paper cassette forming the paper supply unit 1, so that the conveying path P1 from the paper supply port to the printing unit 3 is shortened, and accordingly the paper conveying path is shortened. The printer construction simplified and downsized, while the precision of positioning of the printing paper and positioning of the printing head is enhanced, so that the printing quality may be improved.

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transfferring images onto the recording paper; a paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; a paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases th

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; a paper feeding roller for feeding the recording paper from the paper cassette to the clamper; paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the re

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; a paper feeding rollers for feeding the recording paper for the paper cassette to the clamper; a paper discharging rollers for discharging the recording paper upon the completion of the transfer of the images thereto; an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the

Abstract: An output mechanism printer which prints characters and images on recording paper includes an input path along which a sheet of paper is conveyed towards the printing unit, a cylindrical platen roller having a longitudinal axis of rotation which is orthogonal to the input direction, and an output device which moves the sheet in the same direction as the input direction, and then automatically moves the paper directly parallel to the longitudinal axis of the platen until it is outside the printer.

Abstract: A sublime type thermal transfer printer uses an ink sheet on which a fixing agent of a sublimation ink is coated and thermally transfers the fixing agent of the ink sheet onto a plain printing paper first, then thermally transfers an image on the ink sheet onto the area of the printing paper where the fixing agent is transferred by subliming an ink coated on the ink sheet.

Abstract: In a magnetic tape recording and playback device which has a rotating drum with magnetic heads, a capstan, and reel blocks, the stator coils of motors for driving them are mounted on a board together with electrical circuits for controlling the motors. The electrical circuits and the stator coils of motors are interconnected by conductor patterns formed on the board.

Abstract: A magnetic recording and reproducing apparatus, such as VTR or DAT, in which a cassette containing a magnetic tape is to be loaded and which is capable of drawing the tape from the cassette and introducing onto a head drum to perform desired recording and reproducing actions. A tape loading mechanism of the apparatus comprises at least one loading disk, a tape drawing member, and a drive system for the drawing member. For minimizing the size of the apparatus, the loading disk is disposed around one of a pair of reel spindles, and the rotation of the loading disk is transmitted to the drawing member via a link. The loading mechanism gives the same driving force also to a tape tensioning device, a reel spindle braking device and a pinch roller driving device.