Abstract:
PROBLEM TO BE SOLVED: To provide a galvanic motor for an optical scanner, a motor capable of stopping at a predetermined position, even by hand in offsetting the rotation and also capable of restarting. SOLUTION: The galvanic motor is equipped with a quadrupole magnet 2, which has mutual adjacent heteropolar salient poles at every 90° around a motor shaft 1 with a galvano mirror attached at one end 1a; a laminated core 5 fixed to a case 3 on the outer circumference of this magnet 2; and four saddle frame shaped drive coils 6a-6d, that are arranged at each 90° on the inner periphery of this laminated core 5. A core plate 5a on the axially endmost side of the laminated core 5 has a projected piece W, in the adjacent position P 2 of the drive coils 6a-6d, is bent from the inner periphery and is projected outward in the axial direction. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To alleviate the downward attraction force operating at a rotor. SOLUTION: A stator coil 116 is disposed between a frame 4 and a rotor 113 fixed with a rotor magnet 114, a rotor case 119 disposed at the lower part of the rotor 113 is fixed to the frame 4, the frame 4, the rotor 113 and the case 119 are formed of magnetic materials, and two closed magnetic paths ϕ1 , ϕ2 in which the attraction forces are reverse upside down are formed between the magnet 114, the upper frame 4 and the case 119 of the lower part.
Abstract:
PURPOSE:To easily decide the gap depth of a magnetic head by detecting the reproduction outputs corresponding to two types of recording currents for the magnetic head and deciding the gap depth from the ratio of both reproduction outputs. CONSTITUTION:A production procedure of a magnetic head 1 starts at SP0. In a step SP1, the level of the reproduction output L1B of a recording current IB is detected together with the level of the reproduction output L1A of a recording current IA and the ratio of both levels is calculated. If this ratio is between 0.8 and 1 (standard level), the general characteristic of the head 1 is checked by the currents IA and IB in a step SP2. If the ratio is normal, the head 1 is mounted on a floppy disk device set at the currents IA and IB in a step SP3. In a step SP4, the level of the reproduction output Ln measured on a track (n) is detected together with the level of the reproduction output Ln+1 measured on a track (n+1) and the ratio of both levels is calculated. If this ratio is between 0.8 1, the general characteristics of the currents IA and IB are checked in a step SP5. If the ratio is normal, the production procedure is complete in a step SP6.
Abstract:
PURPOSE:To exactly demagnetize a magnetic head by making recording current gradually fall to almost zero level, and completing a recording mode, at the time of recording data for magnetization. CONSTITUTION:Prescribed input data DATA are recorded in a magnetic recording medium in a recording mode, and recorded data are reproduced and outputted in a reproduction mode. This device is equipped with a magnetic recording and reproducing head 6B, circuits 12, 14, and 16 which control the recording currents IW of the head 6B, and writing circuit 4 which outputs the recording currents to the head 6B after switching the polarity of the recording currents according to the input data in the recording mode, and then outputs the recording currents to the head 6B after switching the polarity of the recording currents according to data DS for demagnetization in a prescribed time. Then, at the time of recording the data DS-for demagnetization, the recording currents are made to gradually fall to almost zero level, and the recording mode is completed.
Abstract:
PURPOSE:To print images with an outline in horizontal direction emphasized without using special circuits, by constituting the first resistors of heating resistors and sequentially arranging the heating resistors in parallel to each other. CONSTITUTION:During printing, a controlling signal according to information signal is obtained in a controlling circuit 7, and is supplied to a driving circuit 3c constituted of driving IC chips 3b. Driving current from the driving circuit 3c is supplied selectively to the heating resistors 81, 9a, 9b, 82, 83 through individual electrodes 2c, thereby generating heat, and a thermal recording paper is brought into contact with a predetermined position corresponding to the heating resistor part while feeding the paper in a direction orthogonal to the direction of arrangement of the heating resistors 81, 9a, 9b, 82, 83, where by a desired image is printed on the paper.
Abstract:
PURPOSE:To permit the lamination of a resin film on a print with the same printer after printing, by arranging, in parallel and at the same level, the second and the third heating element groups composed of plural heating element not individually driven on outside parts of the first heating element group individually driven. CONSTITUTION:The first heating element group 8 composed of plural heating elements 2b, 2b... individually driven is arranged in parallel and at the same level on an insulating substrate, and the second and the third heating element groups 9 and 10 composed of plural heating element 2b, 2b... not individually driven are arranged in parallel and at the same level on both outside parts of this first heating element group 8. In printing, the printing can be carried out by using the first heating element group 8. In laminating, the lamination of a resin film can be carried out by using the first, the second and the third heating element groups 8, 9 and 10 and the printing and the laminating can be carried out with the same thermal head.
Abstract:
PURPOSE:To ensure a constant voltage drop in a common electrode for heating resistors and print with uniform density both at a central part and at both end parts, by a simple construction wherein a common electrode is provided with slits for restricting the direction of electric currents. CONSTITUTION:A plurality of heating resistors 2b, 2b... are grouped into 8 block s 8a, 8b...8h, the slits 7a, 7b, 7c...7g extending from parts between the blocks to the common electrode 2d are provided,and the directions of the electric currents flowing from the resistors 2b, 2b... are restricted by the slits 7a, 7b...7g. The spacing between adjacent ones of the slits 7a, 7b...7g provided in the common electrode 2d is so set that the voltage drop in the electrode 2d is substantially the same for each of the blocks 8a, 8b...8h. As the width of the common electrode 2d for one heating resistor 2b is smaller, the resistance of the electrode 2d concerning the resistor 2b is higher, and the voltage drop in the electrode 2d for each of the resistors can be made substantially constant by adjusting the width of the electrode 2d. For example, the numbers of the resistors 2b, 2b... in the blocks are set to be equal, and the width of the common electrode 2d concerning a block is set to be larger as the block is nearer to a central part of the head.
Abstract:
PURPOSE:To raise the efficiency of printing by making the radiation effect of metal base to each eating resistor constant, by establishing a clearance between the part corresponding to just under the heating resistor of insulating substrate and this metal base. CONSTITUTION:The groove 7 of specific width is formed in the part corresponding to just under along plural heating resistors 2b arranged in parallel on the base substrate 2 of a metal base 1. Because the groove 7 is formed in the metal base 1 constituting the radiation plate of the part corresponding to just under the heating resistor 2b of an insulating substrate 2a of base substrate 2 and the clearance is formed between the part corresponding to the heating resistor 2b of the insulating substrate 2a and the metal base 1, those parts certainly come into no contact with each other and the radiation effect of the metal base 1 to each heating resistor 2b becomes approximately constant. Then, when gradation printing is carried out, the good printing by which the uneveness in density for a print is not produced, can be obtained.
Abstract:
PROBLEM TO BE SOLVED: To provide a card processor capable of surely attaining the electrical contact between the terminal of a storage device and a terminal which inputs and outputs information or supplies power by being in contact with the terminal of the storage device.SOLUTION: A card processor 1 has a card processor side terminal 17 which has two states of an open state in which a memory card 101 can be taken in and out and a closed state in which the memory card 101 cannot be taken in and out, and whose contact state with the memory card side terminal 103 of the memory card 101 is turned to a first contact state in the open state and contact state with the memory card side terminal 103 of the memory card 101 is turned to a second contact state in the closed state. In the second contact state, a connection state with the card processor side terminal 17 at least is attained, and the memory card 101 or the card processor side terminal 17 is moved depending on the state change between the open state and the closed state.