Abstract: An inventive method for the manufacture of an array of M.times.N thin film actuated mirrors includes the steps of: providing an active matrix; forming a thin film sacrificial layer; depositing an elastic layer; forming an array of M .times.N conduits in the elastic layer; depositing a second thin film, a thin film electrodisplacive, a first thin film layers on top of the elastic layer, successively; patterning the first thin film, the thin film electrodisplacive and the second thin film layers into an array of M.times.N first thin film electrodes, an array of M.times.N thin film electrodisplacive members and an array of M.times.N second thin film electrodes, respectively, thereby forming an array of M.times.

Abstract: A method for forming an array of M.times.N thin film actuated mirrors for use in an optical projection system comprises the steps of: (a) forming a sacrificial layer on top of an active matrix; (b) forming an array of M.times.N supporting members on the sacrificial layer; (c) depositing an elastic layer; (d) forming M.times.N conduits; (e) depositing a second thin film layer; (f) forming an electrodisplacive layer; (g) patterning the elastic layer, the second layer and the electrodisplacive layer to form an array of M.times.N semifinished actuated mirror structures; (h) heat treating the array of M.times.N semifinished actuated mirror structures; (i) depositing a first thin film layer on each of the semifinished actuated mirror structures to form an array of M.times.N actuated mirror structures; (j) covering each of the actuated mirror structures with a protection layer; and (k) removing the protection layer and the sacrificial layer to thereby form said array of M.times.N thin film actuated mirrors.

Abstract: A washing-time compensating method compensates for the washing time of a washing machine according to a water supply time during executing a washing operation. After setting a speculative total washing time required for the washing in accordance with a program internally stored in terms of a washing condition set by a user, a quantity of water supplied up to a predetermined water level within a washtub is sensed to calculate a total water supply time according to the number of supplying the water throughout overall washing procedure. The calculated total water supply time is compared with the speculative total water supply time set in the initial stage to calculate an additional water supply time, so that the washing operation is performed for the washing time obtained by compensating for the total washing time to timely carry out the washing operation within the set washing time.

Abstract: An apparatus for decoding a discrete cosine transform coded image signal includes an image restoration circuit which comprises a first conversion block for converting the reconstructed image signal into its frequency domain image signal including image signal phase components and image signal amplitude components thereof; a predictive quantization noise generation block for responding to the quantization parameter and for generating a predictive quantization noise having a known probability density function; a second conversion block for converting the predictive quantization noise into its frequency domain noise including noise phase components and noise amplitude components; an adder circuit for generating compensated amplitude components representative of the difference between the image signal amplitude components and the noise amplitude components; and a inverse conversion block responsive to the image signal phase components and the compensated amplitude components for converting them to restore the ima

Abstract: A method for encoding a contour of an object predicts a current contour by using a current and a reconstructed previous contours and generates the motion vector representing a displacement between the reconstructed previous and the predicted current contours. A matched contour between the predicted current and the current contours is subtracted from the current contour to provide a differential contour. Thereafter, vertex points is determined based on a polygonal approximation for the differential contour. A set of approximation errors calculated at a predetermined number of sample points on each line segment between two vertex points is transformed and quantized to obtain a set of quantized discrete sine transform coefficients. The quantized discrete sine transform coefficients are encoded together with the motion vector, and the vertex points are encoded based on the predicted current contour for transmission thereof.

Abstract: An optical pickup system for regenerating information stored on a hologram disk including a pair of recording surfaces thereon, includes a first and a second light sources, an optical detection unit having a first and a second detectors, a diffraction device including a crystal base, a first and a second diffraction elements, a beam splitter, disposed between the first detector and the hologram disk, an objective lens, disposed between the beam splitter and the hologram disk, and a signal detection unit having a first and a second signal detection circuits, wherein the second light source is used for reproducing a regenerated information signal on the second recording surface of the hologram disk and the first light source is used for detecting a tracking error and a focusing error off the first recording surface of the hologram disk.

Abstract: An optical pickup system for determining a focussing error by utilizing an improved astigmatic method, the system comprising: a light source; an optical detector, including a square light-reception surface formed by arranging four square photoelectric cells; a beam splitter provided with a reflection surface for reflecting the light beam from the light source and for transmitting the light beam reflected from the recording surface; a first and a second adders for adding outputs from each of two opposite corners of the square light-reception surface; an objective lens, disposed between the beam splitter and the optical disk; a graded index lens, located between the beam splitter and the optical detector, for making the light beam transmitted through the beam splitter astigmatic as it passes therethrough; and a differential amplifier for generating a focussing error signal.

Abstract: An array of M.times.N thin film actuated mirrors includes an active matrix, an array of actuating structures, each of the actuating structures including an elastic member, a second thin film electrode, a thin film electrodisplacive member and a first thin film electrode, and M.times.N number of multilayer stacks of thin film dielectric members. In addition to providing a protection against chemical or physical attacks on the first thin film electrode which also acts as a mirror for reflecting a light beam, the multilayer stack of thin film dielectric members placed on top of each of the actuating structures provides the maximum reflectance in each of the thin film actuated mirrors to thereby ensure an optimum optical efficiency of the array.

Abstract: A processing block is processed by using an extension-interpolation ("E-I") method, wherein the processing block consisting of N.times.

Abstract: An optical disc player for performing the backward and forward feeding operation of a tray by driving a feeding motor which controls the feeding operation of an optical pickup includes a feeding motor for generating a motive power, the optical pickup having a first rack gear at one side of the body thereof, and installed to a feeding space on a deck plate, a feeding pinion for receiving the motive power of the feeding motor by being brought into meshing engagement with the first rack gear to be rotated for permitting the optical pickup to move linearly, an auxiliary gear arbitrarily rotatable on the deck plate for being brought into meshing engagement with the first rack gear where the first rack gear reaches in a stop mode of the optical pickup, an auxiliary rack gear integrally formed with a tray for being brought into meshing engagement with the auxiliary gear, and a tray feeding gear for receiving the motive power transmitted from the feeding motor to be rotated about its position on a front upper plane o

Abstract: An optical pickup device for reading a multitude of disks. A first optical system for reading a first optical disk by generating a first laser beam, exposing the first laser beam on the first optical disk and receiving a first reflected light from the first optical disk system, and a second optical system for reading a second optical disk by producing a second laser beam, exposing the second laser beam on the second optical disk and receiving a second reflected light from the second optical disk are provided. Reproduction of the multitude of disks without transporting the pickup device can be formed continuously.

Abstract: Disclosed is a method capable of controlling read-time of a humidity sensor of a microwave oven so as to void interference by other parts in the microwave oven or exterior apparatuses, and thereby sensing an accurate humidity value in the microwave oven. In the method, one period of a frequency of an electric power is divided into a first section and a second section according to an outer interrupt signal. The humidities are sensed by predetermined times respectively in the first section and the second section, and then a noise count is increased in a corresponding section when a difference between a maximum value and a minimum value in each section is larger than a predetermined reference value. The obtained noise counts are compared, and then one section having less noise count is determined as a humidity sensing read time section.

Abstract: A method of predischarging a novel battery wherein a stable lithiated film is formed at an anode by a small amount of the discharged capacity in order to rapidly recover the open circuit voltage of the battery, is disclosed. The battery includes a cathode using lithium metal as an active material, an anode using manganese dioxide as a main component of an active material, and an electrolyte including an inorganic electrolyte dissolved in a nonaqueous solvent containing at least propylene carbonate. The battery is predischarged by using a pulse current. The amount of discharge is not more than about 2% of the total discharge capacity. A lithiated film which is formed at the anode portion while being partially oxidized to lithium ions, is uniformed. By a small amount of the discharged capacity, a high potential portion can be removed and the gas generation reaction can be suppressed. In addition, the life of the battery is lengthened and the flatness of the battery's voltage is improved.

Abstract: An actuator for tilting the plane of a mounted mirror comprises a substrate having an opening filled with a first metalization; a pair of electrodisplacive members mounted on the substrate, each electrodisplacive member having a side surface in a facing relationship with a second metalization formed therebetween and a grooved surface opposite therefrom with a third metalization formed thereon, the electrodisplacive members further having a polarization selected so that a voltage applied between the second metalization and the third metalization causes one of the electrodisplacive members to vertically expand and the other to vertically contract, thereby tilting the plane of the mounted mirror; a metal layer having predetermined dimensions, provided underneath the second metalization; and an electrically conductive adhesive paste layer disposed between the metal layer and the first metalization for providing an electrical contact therebetween.

Abstract: Disclosed is an auxiliary power supply device generating a constant auxiliary power.

Abstract: A method for self-diagnosing a television(TV) receiver, wherein the TV receiver has a controller, which includes a central processing unit, a read only memory, a random access memory(RAM) and an erasable-programmable read-only memory (EPROM), for controlling the self-diagnosing and a power supply unit for producing both an initial power for driving the controller and an operational power for driving other units of the TV receiver except for the controller, comprises the steps of: (a) determining whether the initial power is applied; (b) first self-diagnosing the TV receiver, if the initial power is supplied, so as to determine either to wait a turn-on signal to turn the TV receiver on or to produce an alarm signal warning an abnormal state; (c) determining whether the turn-on signal is received; and (d) second self-diagnosing the TV receiver while the operational power is activated by the received turn-on signal, to produce a result of the second self-diagnosis onto a screen of the TV receiver.

Abstract: An improved regulator apparatus comprises a regulation unit, in response to an operation signal, for regulating an input voltage to provide a regulated voltage to its dependent load and an overcurrent protection unit for blocking the operation of the regulation unit when a short-circuiting occurs in the load. The overcurrent protection unit includes a bypass transistor for bypassing the operation signal to the regulation unit and a diode for sensing the change in the potential level of the regulated voltage to activate the bypass transistor.

Abstract: An array of M.times.N thin film actuated mirrors for use in an optical projection system comprises an active matrix, an array of M.times.N supporting members, and an array of M.times.N thin film actuating structures. Each of the actuating structures includes a first, an electrodisplacive, a second layers and an elastic layer, wherein the first and the seconds layers are placed on top and bottom of the electrodisplacive layer, and the elastic layer is placed on bottom of the second layer. The first layer is divided into a proximal and a distal ends. In each of the actuated mirrors, the proximal end of the first layer is connected to a conduction line pattern to thereby act as a bias electrode and the second layer is connected electrically to one of the transistors through a conduit placed in each of the supporting members to thereby act as a signal electrode. The distal end of the first layer functions as a mirror for reflecting the light beam.

Abstract: An optical pickup system for reproducing an information signal stored on an optical disk, including a pair of recording surfaces thereon, is provided with a pair of light sources for generating a first and a second light beams having different wavelength, .lambda..sub.1, .lambda..sub.2, a detector, an objective lens, a signal detection unit and a beam splitter having a first and a second surfaces, wherein the first surface of the beam splitter is pervious to the light beam having a wavelength other than .lambda..sub.1 and the second surface of the beam splitter is pervious to the light beam having a wavelength other than .lambda..sub.2. In the system, while the first light source is used for reproducing the information signal off the first recording surface of the optical disk, the first light beam transmitted from the second surface of the beam splitter is used for detecting the focusing error signal of the first recording surface of the optical disk.

Abstract: A method for sequentially and automatically displaying, for the predetermined or whole time, picture play items and segment information defined with respect to the picture play items on an interactive information recording media on which aural information and image information are recorded including characters, graphics, music etc. In order to confirm all information recorded on an interactive information recording medium according to a user, a sequence information play mode is selected and the playback time is set. Then, the playback operation of the lists on which information are recorded according to the sequence information play mode is carried out for the set playback time. When a following play mode is, the playback for the following play mode may be performed, as stated above. All the items recorded on an interactive information recording medium are sequentially and automatically displayed for a total time or a partial time so that a user can confirm all the items.