Abstract: An image forming apparatus includes a subunit. The subunit includes a non-volatile RAM which previously stores data items corresponding to ID information used in the manufacturing process of parts constructing the image forming apparatus, ID information of the main body of the image forming apparatus, history information of the parts used at the time of service operation and maintenance information. A support tool is connected to a communication I/F in the manufacturing process and at the time of service operation, and necessary information stored in the non-volatile RAM is read out in response to a readout instruction from the support tool and displayed on the display screen of the support tool. Data corresponding to ID information of the part incorporated in the manufacturing process and data corresponding to service information in the service operation are stored in a preset storage area of the non-volatile RAM.

Abstract: An image forming apparatus of the present invention includes a developing device for forming a developed image by transferring a developing agent to an electrostatic latent image formed on a photosensitive drum, a developing agent recycling mechanism for returning the developing agent recovered from the photosensitive drum by a cleaning device to the developing device after transferring the developed image formed on the photosensitive drum on a sheet paper, and a contact member for adsorbing impurities contained in the developing agent returned by the recycling mechanism by an adsorbing voltage having a voltage and polarity defined based on the charged polarity of the developing agent and the developing bias voltage applied to the developing roller and the developing agent of the developing device.

Abstract: A multi-scene recording disk and a data reproducing apparatus, which enable a user to select and enjoy one of simultaneously proceeding scenes, and also enables a program editor to edit programs using a new concept and novel fashion. Related program movements, each consisting of program bars, are recorded on the disk 100. The data reproducing apparatus includes a data string processing section 203, a system control section 204, an operator panel 205, a video processing section 206, and audio processing sections 211 and 213. The sections 203 and 204 and the panel 205 select any one of the program movements and switch one movement to another, and select any one of the program bars of the movement selected and switch to one bar to another. The information thus selected is supplied to the video processing section 206 and the audio processing sections 211 and 213.

Abstract: A full automatic washing machine includes an outer tub having an upper opening, a rotatable tub mounted in the outer tub for rotation, and an agitator mounted in the rotatable tub for rotation. The rotatable tub has a number of dehydrating holes formed only in the upper end of its circumferential wall. An inner lid is pivotally mounted on an outer tub cover so as to open and close the upper opening of the outer tub. The inner lid has a concave showering portion having a number of showering through holes. In a wash step, the agitator is driven with the inner lid closed. In a rinse-with-dehydration step, supply of water via the showering holes of the inner lid into the rotatable tub and rotation of the rotatable tub are alternately executed under sequential control of these steps.

Abstract: An IC card having two coupling coils, two rectifier circuits, internal circuits, a voltage-adjusting circuit, a reset-signal generating circuit, and a wave-selecting circuit. The coils receives two carrier waves which are shifted in phase by 90.degree.. The rectifier circuits rectify the carrier waves, generating direct-current voltages for the internal circuits. The voltage-adjusting circuit adjusts the direct-current voltages to a voltage of a predetermined value. The reset-signal generating circuit has hysteresis. The wave-selecting circuit selects one of the carrier waves and outputs the selected wave as a system clock signal. The system clock signal is stable, and the internal circuits can perform stable operations. The IC card can stably operate to receive data and transmit data. Furthermore, the IC can be easily made in the form of an LSI.

Abstract: A magnetic core is obtained by winding or laminating at least one alloy ribbon and has excellent squareness characteristic and magnetic saturation characteristic in a high frequency region wherein the squareness ratio of the magnetic core is improved by restricting the surface roughness of the alloy ribbon to specific regions.

Abstract: An air conditioner is provided with a room unit which comprises a suction grille member mounted to the front panel of the room unit and a blow-off grille member mounted to the lower portion of the front panel. The blow-off grille member comprises two louvers turnable around axes thereof parallel to each other, a link mechanism operatively connected to the louvers so as to turn the louvers with different angles, rspectively. The link mechanism comprises a plurality of link members, for example a five-knot link mechanism, which are turnably coupled with each other and a driving motor for driving the link mechanism to thereby turn the louvers with different air blow-off open angles, respectively. An operation mode transfer member may be further provided for the blow-off grille member to transfer the operation mode of the louvers.

Abstract: A wide aspect signal is band-width limited in the vertical spatial frequency by a V-LPF. The wide aspect signal is band-width limited along the temporal spatial frequency and in the vertical and horizontal spatial frequency by a 1/60-sec delay unit, an adder, 1 1/60-sec delay unit, a selector, a V-LPF, and an H-LPF. A motion image signal can be obtained by an adder. A still image signal can be obtained by the selector. The motion and still image signals are mixed by a mixer in accordance with an image motion amount. An output from the substractor is processed by a vertical shifter, an H-LPF, and a 6.fwdarw.5 converter to provide a still image compensation signal Vh. A signal from the V-LPF is compressed in the vertical direction by a 6.fwdarw.5 converter so as to be a center portion signal which can be displayed as an image with the receiver of the existing television system, and supplied to a selector. An output signal from the 6.fwdarw.

Abstract: A static memory in which polysilicon thin film transistors serve as load elements in a memory cell, and the gate electrodes of the polysilicon thin film transistors are formed of diffusion regions. In the static memory, high quality uniform TFTS are formed, and the oxidation films of the TFTs can be thin, without using a complex manufacturing technique.

Abstract: A semiconductor memory device having an internal circuit which is powered from a first power source terminal and outputs an output drive signal corresponding to a stored data in a selected memory cell of a memory cell array; and output buffer unit which is powered from a second power source terminal and operates in such a manner that a gate is closed or opened in accordance with whether the output drive signal is low level or high level, and an output signal of low level or high level corresponding to closed gate or opened gate is outputted via an external output terminal to the external; and a level change suppressing circuit for suppressing a level change of the output drive signal as viewed from the output buffer, by connecting the output terminal of the internal circuit to one of the second power source terminal and the external output terminal, when the potential at the second power source terminal changes relatively with respect to the potential at the first power source terminal as the output signal at

Abstract: An operational amplifier circuit has an inverting and a noninverting input terminal and an output terminal and a current source circuit. A signal output from the output terminal is fed back to the inverting input terminal via a resistor for setting a closed-loop gain of the amplifier. To a part of a current path of the current source circuit is connected a resistor for changing the current of the current circuit to set an arbitrary open-loop gain of the amplifier.

Abstract: According to the method of the present invention of manufacturing, from a semiconductor wafer, a dielectric substrate including insulated and separated island regions, a silicon oxide film is formed on a surface of a monocrystalline semiconductor wafer, and a mask consisting of a frame portion spreading on a peripheral region of the wafer and a grid-like portion arranged within the frame portion is formed. Then, in a patterning step, the surface of the wafer is exposed with the frame portion and the grid-like portion of the mask being left. Separation grooves arranged in a grid-like manner are formed in the exposed surface by etching. After a silicon oxide film is formed on the surfaces of the grooves, a polycrystalline semiconductor layer is made to grow on the silicon oxide film formed on the surfaces of the grooves and on the silicon oxide film formed on the surface of the wafer.

Abstract: An optical disk apparatus has an optical head for recording information on or reproducing information from an optical disk. The optical disk has a number of spiral or concentric tracks and a number of sectors formed along the circumferential direction of the disk. The sectors are divided into a plurality of sector blocks along the circumferential direction of the disk. Each sector block includes a different number of sectors which are continuous along the circumferential direction and which have a substantially constant linear length. A memory stores at least the speed data for maintaining a constant relative speed between the optical head and optical disk and is determined for each block group having a predetermined number of blocks. Speed data corresponding to the designated sector block is read out from the memory and is supplied to a velocity control circuit. A motor is driven to maintain a constant linear velocity between the optical head and the tracks of the optical disk.

Abstract: A document processing apparatus has a heading word dictionary, a heading extractor, a heading rule dictionary, a heading decision section, a document architecture rule dictionary and, a document architecture decision section, for deciding a logical document architecture. The apparatus further comprises a rule application decision section and a candidate selection indication section to allow the operator to select any desired document architecture, when the document architecture decision section decides plural document architecture candidates exist in accordance with document architecture rules, thus improving the operability of the system. Further, the past rule application record information (priority order) is stored and updated so as to provide a learning function for providing better operability.

Abstract: A magnetic resonance imaging system erases magnetization components of at least a pair of adjacent regions sandwiching a region to be examined including a predetermined portion of interest of an object to be examined, and then selectively excites the region to be examined to obtain image information based on magnetic resonance data of the region to be examined. The magnetic resonance imaging system includes a controller for changing the polarity of a gradient field, which is applied simultaneously with a .pi./2 pulse, in units of the pair of adjacent regions when the magnetization components are to be erased.

Abstract: First and second MR (magnetic resonance) echo signals are detected from the subject by means of a spin echo method. These MR echo signals have been provided with different phase encoding data by applying the gradient magnetic fields. As a result, first and second MR echo signal data are acquired from a single Fourier plane. These MR echo signal data are amplitude-corrected and phase-corrected. Then, they are subjected to Fourier transform, thereby forming an MR image of the subject within a short time.

Abstract: A device for measuring the position of an object has a light radiation mechanism for causing light to be obliquely incident on a surface of the object, a vibrating mechanism for vibrating the light incident on the surface of the object at a predetermined frequency, and a detecting mechanism for detecting light reflected by the surface of the object, generating a detection signal, and obtaining the position of the object in accordance with the detection signal.

Abstract: A half tone picture information is encoded and transmitted by apparatus comprising dither processing means for dither processing an analog picture image signal into a picture information block including M picture element points.times.N scanning points by means of a dither matrix including M.times.N threshold values, correlating processing means for correlating respective picture elements between dither processed picture information blocks by the dither matrix for outputting signal change information of respective picture elements between respective picture information blocks, an encoding means for encoding the signal change information outputted from the signal processing means.