| Patent Number |
Title Of Patent |
Date Issued |
| 5303304 |
Camcorder having loudspeaker function |
April 12, 1994 |
| A camcorder having a loudspeaker function has a recording device and includes an input device for receiving an external sound and converting it into a first electric signal and for receiving a sound from a user and converting it into a second electrical signal. The input device is pr |
| 5302776 |
Method of chord in electronic musical instrument system |
April 12, 1994 |
| A method of automatically generating accompaniment chords in an electronic musical instrument system, whereby, as a melody is advanced, corresponding accompaniment chords can automatically be generated. The method comprises the steps of inputting the key of the tune to be played, drawing |
| 5301897 |
Reel brake device of deck in camera-integrated type video cassette recorder system |
April 12, 1994 |
| A reel brake device of a deck in a camera-integrated type video cassette recorder system, comprising a pinch arm having an extension extending downwardly from one side portion of the pinch arm, a first lever connected operatively to the pinch arm and a second lever connected operatively |
| 5301029 |
Device for maintaining the clearance between a cycolor film and the head of film exposing CRT |
April 5, 1994 |
| A device for maintaining the clearance between the head of a film exposing CRT and a plate supported film that includes a plate that supports the film to be exposed is movably mounted in front of the head for maintaining the desired clearance at a constant distance so that the film can b |
| 5300976 |
Movie camera system having view finding and projecting operations |
April 5, 1994 |
| An electronic movie camera system having a projecting function as well as a view finding function. The system includes a system body, a housing mounted on the system body, an LCD panel disposed within the housing to display an image corresponding to an image signal received from the syst |
| 5299965 |
Laser welding method for preparation of electron gun of color cathode-ray tube |
April 5, 1994 |
| A laser welding method for preparation of an electron gun of a color cathode-ray tub. This laser welding comprises the steps of forming a coining part on an evaporation section of a weld zone of an upper part to be welded to a lower part, and focusing a laser beam on a bottom surface |
| 5299076 |
Brake actuating device for tape recorder |
March 29, 1994 |
| A brake actuating device for use in a tape recorder such as a video cassette tape recorder and a digital audio tape recorder includes a supply brake resiliently biased by an elastic member, a brake actuating mechanism for actuating the supply brake, a reel driving mechanism for driving a |
| 5299004 |
Ghost signal removal apparatus for broadcasting reception system |
March 29, 1994 |
| A ghost signal removal apparatus for a broadcasting reception system, includes an analog/digital converter for converting a video signal of a received broadcasting signal into a digital signal. A first filtering circuit is adaptive to a reference signal contained in the digital signal |
| 5297307 |
Washing machine and method of controlling such |
March 29, 1994 |
| A washing machine and a method of controlling such, wherein the washing of laundry articles can be performed according to user preference. According to the invention, a plurality of washing factors, which are selected by the user, are stored in an accumulated manner in a memory during a |
| 5296883 |
Lamp changing system in LCD projector |
March 22, 1994 |
| A lamp changing system is an LCD projector, comprising a reflective facet, a rotary plate having a plurality of arc-tubes and blocks disposed thereon, and a cam member having an upper cam and a lower cam, whereby upon rotating the cam member, an old arc-tube is separated from and new |
| 5296781 |
Impregnated cathode |
March 22, 1994 |
| An impregnated pallet including a porous metal body to which an electron radiating material is impregnated, a cathode ring having an upper portion in which the impregnated pallet is fitted, and a cathode sleeve containing a heater therein and having a closed upper end mounted to the lowe |
| 5295617 |
Pressure device for a pinch roller of a video cassette recorder |
March 22, 1994 |
| A pressure device for a pinch roller of a VCR, which includes a pinch lever connected to a function plate which is mounted on the lower portion of a main chassis to be enabled to make reciprocating movement, a pinch arm connected to pinch lever, whereby when the function plate moves the |
| 5295006 |
Optical exposure system for color video printer with light source moving along rod behind three |
March 15, 1994 |
| An exposure system for a color video printer capable of obtaining a uniform exposing to liquid crystal display panels for red, green and blue colors by common use of a light source being movably disposed. The exposure system includes liquid crystal display panels for red, green and blue |
| 5293955 |
Obstacle sensing apparatus for a self-propelled cleaning robot |
March 15, 1994 |
| This invention relates to an obstacle sensing apparatus for a self-propelled cleaning robot which is capable of accurately sensing the position of an obstacle without the influence of ultrasonic directivity, and which comprises mounting members (22) disposed at both sides of the fron |
| 5293241 |
Method and circuit for controlling opening/closing of a camcorder iris diaphragm |
March 8, 1994 |
| A circuit for controlling the opening and closing of a camcorder iris diaphragm including a luminance signal detector for detecting a luminance signal from an image signal of an object received therein, a buffer for buffering the luminance signal from the luminance signal detector, a |
| 5293183 |
Heat blowing equipment of thermal print head for color video printer |
March 8, 1994 |
| The present invention relates to heat blowing equipment for a thermal print head of a color video printer, in which a radiating plate is mounted on the upper surface of the thermal print head and a ventilation fan is directly connected to the upper portion of the radiating plate, thereby |
| 5293019 |
Automatic cooking apparatus and method for microwave oven |
March 8, 1994 |
| An automatic cooking apparatus and method for a microwave oven includes the steps of determining the type of food to be cooked, on the basis of a specific dielectric constant and dielectric power factor of the food by one-touch of the user, and performing automatic cooking of the food |
| 5291466 |
Automatic control system for a tracking servo unbalance of optical disk player |
March 1, 1994 |
| An automatic control system for tracking servo unbalance of optical disc player, which comprises first and second variable gain amplifiers, first and second photodetectors, a differential amplifier having resistors and capacitor, a direct current detector, a digital storing unit having a |
| 5291321 |
Method and apparatus for making hologram |
March 1, 1994 |
| A method and an apparatus for making a hologram wherein interference patterns to be recorded on a hologram plate are prevented from travelling, thereby enabling a high quality hologram to be made. The method comprises the steps of forming a monitoring hologram on a portion of the hologra |
| 5289989 |
Tape hub driving system with mechanism to prevent tape slackening during mode change |
March 1, 1994 |
| A reel driving apparatus for a video camera, which is constructed with a minimum of structural elements, resulting in achieving simplicity in construction and reducing the manufacturing cost and weight of the product. The apparatus comprises an idle gear mounted on a support plate to |
| 5287041 |
Side pin cushion circuit |
February 15, 1994 |
| A side pin cushion circuit for keeping exact the period corresponding to the frequency of a synchronizing signal so as to prevent a pin cushion distortion in a cathode ray tube displayer. The side pin cushion circuit comprises a vertical deflection portion for generating a saw-tooth sign |
| 5283410 |
Method and apparatus for automatic cooking in a microwave oven |
February 1, 1994 |
| Method and apparatus for automatic cooking in a microwave oven capable of an automatic cooking operation even in case of consecutive cooking by discriminating whether the operation mode is an initial operation mode or a consecutive operation mode by receiving an inflow air temperature an |
| 5282056 |
Document acknowledge system having horizontal/vertical-run length smoothing algorithm circuits a |
January 25, 1994 |
| A document acknowledge system comprising horizontal/vertical-run length smoothing algorithm circuits in which a horizontal-run length smoothing algorithm (H-RLSA) and a vertical-run length smoothing algorithm (V-RLSA) are performed by hardware and a document region divide circuit for |
| 5281786 |
Method of controlling cooking in microwave oven using sonic device |
January 25, 1994 |
| A method of controlling cooking in a microwave oven or an electronic cooking appliance, wherein the cooking can be performed at the optimum condition by sensing a sonic level through a sonic sensor in the case where the cooking is made utilizing a pressure container which produces a |
| 5278714 |
Adjustable structure for attaching a rotary head to a rotary drum of a video cassette recorder |
January 11, 1994 |
| An apparatus for fixing rotary heads to an upper drum of a rotary drum of a video cassette recorder includes a guide projection formed on a lower surface of each of the rotary heads, guide grooves formed in the upper drum for engagement with the guide projections of the rotary heads, and |
| 5277502 |
Device for loading ink film and printing papers in color video printer |
January 11, 1994 |
| A device for loading an ink film and printing papers in a color video printer. The loading device comprises an integrated-type container for containing both of ink film and printing papers therein. The integrated-type container comprises an ink film cartridge portion formed at one si |
| 5276505 |
Method and apparatus for editing image colors in color television system |
January 4, 1994 |
| An apparatus for editing image colors in a color display, comprising time signal generating circuitry for detecting time intervals in which a plurality of color signals are displayed on the screen during one horizontal interval in accordance with color difference signals and outputti |
| 5272488 |
Press device for printing head |
December 21, 1993 |
| A press device in a color video pointer which is capable of pressing uniformly a thermal sensitive head against a platen, thereby improving printing quality. The press device comprises a platen disposed to be in contact with a thermal sensitive head having a sufficient length to carry |
| 5271247 |
Cooling device for a hermetic motor-driven compressor |
December 21, 1993 |
| This invention seeks to provide a cooling device for a hermetic motor-driven compressor, which may effectively carry out not only lubrication, but cooling of a piston and a cylinder by making refrigeration oil in a hermetic casing to circulate in the interior of the piston for removi |
| 5270829 |
Automatically reserve-recording and reserve-playing back a broadcasted program |
December 14, 1993 |
| A method of automatically reserve-recording and reserve-playing back a broadcasting program comprising the steps of: rewinding a video tape to a reserve-recording start position after completing a reserve-recording mode; and playing back the reserve-recorded broadcasting program when the |
| 5269152 |
Temperature control method for refrigerator |
December 14, 1993 |
| A temperature control method for a refrigerator which is capable of promptly restoring temperatures inside a freezing compartment and a refrigerating compartment by controlling a rotation speed of a fan of an operation control system of the refrigerator via a rotation speed-variable |
| 5268627 |
Start assisting device for high speed reluctance motor |
December 7, 1993 |
| A start assisting device for a high speed reluctance motor, capable of starting the motor at a specific start disabling position where a static torque with a very small angle is present due to a phase advance. When the motor can not be started at a specific position, clock signals are |
| 5267101 |
Tape tracking control apparatus |
November 30, 1993 |
| An apparatus for controlling a tracking of a tape for a 8 mm VCR or a DAT in a helical scanning tracking system in which the tape is wound around a rotating drum and transported by a capstan shaft and a pinch roller, both of which are operated at its downstrean portion, the apparatus com |
| 5266870 |
Stray emission prevention circuit for cathode ray tube |
November 30, 1993 |
| A stray emission prevention circuit for a system having a cathode ray tube including a charging and discharging section for applying a system power supply voltage upon power-on of the system to charge with a constant voltage and for discharging the charged voltage upon power-off of the |
| 5264923 |
System for separating luminance and chrominance signals from a composite video signal |
November 23, 1993 |
| A system for separating luminance and chrominance signals from a composite video signal, comprising frame and line comb filters for outputting frame and line difference signals of the video signal respectively, a first filter for extracting a chrominance signal from the video signal, a l |
| 5263332 |
Temperature control method for refrigerator |
November 23, 1993 |
| A temperature control method for use in a refrigerator comprises a normal operation step for controlling a compressor and a fan to maintain a temperature inside a refrigerating compartment between a positive limit temperature and a negative limit temperature, both derived from a set |
| 5262903 |
Programmed recording method for VCR without tuner, and device thereof |
November 16, 1993 |
| A programmed recording device for a VCR without a tuner and a method thereof are disclosed. In the programmed recording device, a microprocessor outputs a control signal when carrying out a recording or a playing, and voltage converting means converts the contorl signal of the microp |
| 5262848 |
White balance control circuit for video camera with specified range control circuitry |
November 16, 1993 |
| In a color processing circuit for a video camera, there is provided a white balance control circuit for supplying a plurality of white balance control voltages to the color processing circuit, the white balance control circuit comprising a control voltage dividing section for dividing fi |
| 5253087 |
Holographic laser beam scanning apparatus |
October 12, 1993 |
| A holographic laser beam scanning apparatus capable of removing astigmatism created by a hologram disc of the apparatus due to discordance of wave fronts of the laser beams, thereby allowing precise scanning to be effected. The apparatus includes a focusing lens for focusing a laser beam |
| 5251845 |
Reel driving apparatus for tape recorder |
October 12, 1993 |
| A reel driving apparatus for use in a tape recorder such as a video cassette tape recorder, a digital audio tape recorder and the like, includes a rotary disk provided with an engaging protrusion and resiliently biased by a coil spring, an up/down bracket movable upward and downward |
| 5249328 |
Vacuum cleaner beater brush structure |
October 5, 1993 |
| In a vacuum cleaner beater brush structure, a beater brush roller is provided with a helical brush strip and a beater strip. A sprocket comprises a support flange and a gear pulley, the gear pulley comprising a carrier having brush tufts and beater bars, a step, a toothed array for e |
| 5247582 |
Device preventing oscillation at the time of no signal |
September 21, 1993 |
| The invention relates to a device for preventing the oscillation when no signals are supplied to a VCR. A switching circuit is designed to prevent any oscillation from occurring even though a noise signal due to a signal not being supplied is generated i na feedback loop formed between t |
| 5247300 |
Automatic audio/video signal combination apparatus |
September 21, 1993 |
| An audio/video signal combination apparatus for a digital audio tape recorder, is capable of combining 10 bit audio signal with 5 bit video signal by an automatic addressing, comprising analog/digital converters for converting audio signal and video signal into 10 bit and 5 bit digital |
| 5245442 |
Multi-functional laser printer |
September 14, 1993 |
| A multi-functional laser printer capable of executing both the printing operation and the manuscript readout operation with one unit. The laser printer comprises a printing unit for splitting a laser beam generated from a laser into a picture forming beam and a manuscript reading-out bea |
| 5245254 |
Horizontal focus circuit in an image display |
September 14, 1993 |
| A horizontal focus circuit in an image display for improving the focus characteristics at the edges of a planar CRT screen or a CRT screen used in a multi-sync mode. The horizontal focus circuit comprises a horizontal output portion for generating a flyback pulse, a horizontal dummy |
| 5239245 |
Method of controlling rotational speeds and phases of a drum motor and a capstan motor in a VCR |
August 24, 1993 |
| A method of controlling the rotational speeds and phases of drum and capstan motors forming part of a servo system in a VCR by detecting signals that correspond to current rotational speeds and phases of the motors, and controlling the rotational speeds and phases of the motors by us |
| 5235480 |
Actuating device for a drive switch of a front-loading type VCR |
August 10, 1993 |
| An actuating device for a drive switch for use in a front-loading type video cassette tape recorder which includes a worm, a wheel gear having a connecting gear, a drive gear, a cam portion having slant surfaces formed on one side surface of the drive gear, and a tact switch having a con |
| 5235431 |
Circuit used in a camcorder for monitoring the recorded state of a tape during recording by simu |
August 10, 1993 |
| A circuit used in a camcorder for monitoring the recorded state of a tape during recording by simultaneous playing back of the tape comprising first and second record/playback heads mounted on a head and drum assembly for performing a record and playback of the tape, a second amplifier f |
| 5233435 |
Tape recording system for video cassette tape recorder |
August 3, 1993 |
| A tape recording system for use in a video cassette tape recorder capable of recording a reproducing signal of a video tape to another video tape by directly interfacing the reproducing high frequency signal without reproducing signal processing and recording signal processing, which |
| 5233419 |
Vertical deflection device of high definition television |
August 3, 1993 |
| A vertical deflecting device for use in high defining television receivers which includes an output of a controller connected to a non-volatile memory which is applied through a low pass filter, a digital/analog converter, and an amplifier to one side of a vertical deflecting coil wh |