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| Number | Title | Issue Date |
| 6434326 | Information reproducing apparatus and method On an information record medium, information to be reproduced by an information reproducing apparatus connected to an external apparatus is recorded. The information comprises: compressed video information; first information, which relates a predetermined... | 08/13/2002 |
| 6243337 | Tilt detector A tilt detector for detecting a tilt which is present between a recording disk and a pickup. The tilt detector detects an error value between a read signal read from a central recording track within three recording tracks adjacent to each other and a pred... | 06/05/2001 |
| 6162560 | Layer-built chemical cell device There is provided a layer-built chemical cell device, which comprises: a positive electrode including a current collecting material and an active material layer; a negative electrode including another current collecting material and another active materia... | 12/19/2000 |
| 6034657 | Plasma display panel A plasma display panel includes a front substrate; a plurality of row electrodes provided on an inner surface of the front substrate; a dielectric layer provided on the inner surface of the front substrate so as to cover the row electrodes; a rear substra... | 03/07/2000 |
| 5930222 | Pre-pit detecting device and information recording apparatus employing the same The irradiation device irradiates, at the time of recording main information, a first light beam having a first power and a second light beam having a second power on the pre-pits in a time-divisional manner. The light receiving device receives a reflecte... | 07/27/1999 |
| 5903482 | Sampling frequency converting system and a method thereof An over-sampling device is provided for double over-sampling the input signal and for outputting as a sampling signal. The sampling signal is filtered at one of conversion rates of 147/160, 160/147, and 1/1 by using a prototype filter, based on the first ... | 05/11/1999 |
| 5854847 | Speaker system for use in an automobile vehicle A speaker system for use in an automobile vehicle, comprises: pair of side speakers disposed on left and right sides in a front section within the automobile vehicle; a central speaker disposed in a middle position between the two side speakers; a pair of... | 12/29/1998 |
| 5814935 | Organic electroluminescence device A first substrate has anodes and cathodes, and an organic luminous material layer is formed between the anodes and cathodes. A second substrate has first conductive patterns formed on one of sides thereof, and second conductive patterns formed on the othe... | 09/29/1998 |
| 5729516 | Information recording medium, apparatus for recording the same and apparatus for reproducing the same In a recording medium such as a DVD, various information such as video and audio information is recorded in a form of a plurality of recorded information pieces. Further, control information pieces prescribe the manner of reproducing the recorded informat... | 03/17/1998 |
| 5477521 | Prism for an optical pickup of an optical recording and reproducing device An optical pickup for a magneto-optical disc has a prism for transmitting light reflected on the magneto-optical disc to a detector. The prism comprises a triangular portion, a plate portion, and a polarizing film interposed between the triangular portion... | 12/19/1995 |
| 5475516 | Alphanumeric symbol formed by a 3×5 matrix with two longitudinally bisected pixels A liquid crystal display includes a plurality of pixels arranged in a matrix. The matrix is formed by five rows and three columns. A pixel at a predetermined position is bisected.... | 12/12/1995 |
| 5471250 | Digital time base corrector with dropout compensating function A digital time base corrector reduces the capacity of a memory to approximately a 1 H of image data while maintains the interleave relationship between a luminance signal and a chrominance signal of a video signal. Polarity data indicating the polarity of... | 11/28/1995 |
| 5459507 | Terminal device for a catv system having a read out function A terminal device for a CATV system is described which includes a microcomputer for controlling the operation of the terminal device. The type of module which is connected to an input/output port of the microcomputer is recognized by a recognizing element... | 10/17/1995 |
| 5355175 | Video mixing apparatus capable of combining two input signals and varying the mixing ratio line by line A video mixing apparatus mixes a graphics video image and a playback video image at a plurality of mixture ratios in one image plane. Fade data indicative of the mixing ratio of at least one line of the playback video signal and the graphics video signal ... | 10/11/1994 |
| 5295195 | Magnetic circuit in a loudspeaker A magnetic circuit has a yoke base, a pole formed on the yoke base, an annular magnet mounted on the yoke base, an annular plate having an inclined surface mounted on the magnet. The annular plate has an inwardly downwardly curved sectional shape toward a... | 03/15/1994 |
| 5293419 | Simultaneous voice-call system for cordless telephone A simultaneous voice-call system for a cordless telephone where communication between a base unit and a plurality of portable units is established through the use of a radio communication channel. The base unit includes a transmitter/receiver which establ... | 03/08/1994 |
| 5289280 | Visual and/or audio information storage and retrieval device A monument information storage and output device for outputting monument information consisting of registered picture and sound data which comprises a monument data intake system including a video imaging device or photographing device for inputting video... | 02/22/1994 |
| 5287337 | Optical pickup having flexible wiring plate with focusing effective length which eliminates plate restoring force induce pickup tilt during focusing An optical pickup has a suspension base, a holder suspended from the suspension base by wires in a form of a cantilever, an optical system provided in the holder and having a mirror and an objective mounted in a body, and a flexible wiring plate connected... | 02/15/1994 |
| 5245599 | Disc player using a servo loop with a variable transfer function A disc playing apparatus having a tracking servo loop and a focus servo loop is configured such that a transfer function of at least one of the servo loops is adjustable. Disc defect detection signals are generated in response to a change in a low frequen... | 09/14/1993 |
| 5243587 | Disc playing apparatus capable of both long time reproduction and high speed access A disc playing apparatus which can access to a desired track at a high speed without losing an advantage of a large recording capacity of a non-CAV disc. A disc 1 on which a predetermined information signal is recorded is rotated at a constant rotational ... | 09/07/1993 |
| 5229596 | Image sensor having specific detector structure An insulating substrate having an end opposite to a sheet of subject copy is disposed perpendicularly to the sheet. A plurality of photodetector units are provided on the end of the insulating substrate. Each of the photodetector units has a first electro... | 07/20/1993 |
| 5181103 | White balance adjusting system for a color television system A white balance adjusting system for a color television system has three CRTs for projecting beams of three primary colors, and a color control circut for controlling outputs of the three CRTs. Three sensors are provided adjacent each CRT for detecting qu... | 01/19/1993 |
| 5142373 | Rear projection television set having improved contrast A rear projection television set is of the construction in which an image light projected from a projection cathode ray tube is reflected by a mirror onto the rear surface of a screen comprising a Fresnel lens and the light passes through the front surfac... | 08/25/1992 |
| 5055954 | Cassette loading apparatus in which cassette is loaded short side first A tape loading apparatus for loading a cassette tape with a lid and locking member transversely to said elongated side of said cassette. A holder in said housing receives the cassette, short side first, and holds it as it is pulled in relative to the hous... | 10/08/1991 |
| 5034934 | Opto-magnetic disk unit with improved dynamic range characteristics and opto-magnetic disk therefor An opto-magnetic disk unit is constructed so that predetermined areas existing in the front of the unit recording areas can be detected. In addition, at least one of first and second saturation magnetizations are recorded on each of the detected predeterm... | 07/23/1991 |
| 5020877 | Rear projection screen A rear projection screen comprises, in combination, a Fresnel lens having concentric annular ridges arranged at a radial pitch of P1, and a lenticular lens having parallel lenticulars arranged at a pitch P2. The pitch ratio P1/P2 between the pitches P1 an... | 06/04/1991 |
| 5018206 | Network mounting device for coaxial type speaker A network mounting device in a coaxial type speaker including a woofer having a diaphragm, a center pole for forming a magnetic circuit of the woofer, and a tweeter mounted on a front end of the center pole. The network mounting device includes a frame fo... | 05/21/1991 |
| 5014258 | Disc player having means for preventing disc magazine from being inserted upsidedown A multi-disc player having means for preventing a disc magazine from being inserted upsidedown. The disc player includes a magazine holder, means for taking a disc tray out of a magazine accommodated in the holder, a turntable, a disc clamper and playback... | 05/07/1991 |
| 5009490 | Photo-conductive liquid crystal light valve A photo-conductive liquid crystal display in which the liquid crystal light valve and the electroluminescence element are disposed integrally with each other. The photo-conductive liquid crystal light valve is arranged such that a pair of transparent elec... | 04/23/1991 |
| 5010437 | Recording medium player apparatus A recording medium player apparatus including an open/close body which is disposed so as to openably cover a recording medium insertion slot formed in the front surface portion of a housing. The open/close body has an operation portion for controlling the... | 04/23/1991 |
| 5008945 | Water-proof speaker unit In a speaker unit having a voice coil bobbin, a diaphragm and a damper, the voice coil bobbin is integrally molded with at least one of the damper and diaphragm. The voice coil may be molded into the voice coil bobbin, and the brocade lead wires from the ... | 04/16/1991 |
| 5006945 | Disk player having dual-side playback capability A dual-side use disk player comprises a pressure applying mechanism and a position select/hold mechanism. The pressure applying mechanism includes an attracting force generating mechanism for attracting a pressure member toward a turntable. The pressure a... | 04/09/1991 |
| 5001693 | Radio frequency signal processing circuit which prevents stepwise variations of a DC component A reference level adjusting circuit for a signal containing both DC and RF components, such as provided by a read head in an optical recording and reproduced device. In the reproduction mode, the read input signal is capacitively coupled through an amplif... | 03/19/1991 |
| 4920527 | Focusing error detection apparatus A light beam focusing apparatus for maintaining a level of a focus error signal below an acceptable reference value. A trisection photodetector is provided, a level of a focus error signal being calculated in accordance with three photodetector outputs wh... | 04/24/1990 |
| 4642812 | Sound field enlarging device and method A method for performing sound field enlargement in a digital audio reproducing apparatus such as a compact disc player. A sum is calculated between each received pair of right-channel and left-channel data read from the disc, and the resulting sum data is... | 02/10/1987 |
| 4631716 | Operation changeover mechanism An operation changeover mechanism for a disk player or the like which is simple in construction, easy to assemble and inexpensive. An apparatus is provided having first and second members disposed substantially parallel to one another and which are movabl... | 12/23/1986 |
| 4631490 | Audio output amplifying device An audio output amplifying device which is adapted for use in a plurality of audio output amplifying circuits. An audio signal to be amplified is supplied to a positive phase input of a first differential amplifier. The positive phase input of a second di... | 12/23/1986 |
| 4627035 | Switching circuit for memory devices A memory system including a circuit for switching control of a read-only memory and a random-access memory to allocate addresses thereto. The addresses are switched between the read-only memory and the random-access memory by selecting a mode in which the... | 12/02/1986 |
| 4625304 | Automatic loading disc player An automatic loading disc player includes a turntable for rotating a disc to be played back, a disc transfer mechanism for carrying and transferring the disc into a predetermined playback position on the turntable or a position in the vicinity thereof, an... | 11/25/1986 |
| 4620158 | PCM signal demodulating circuit A PCM signal demodulating circuit in which a PCM signal corresponding to a code representative of a first sample value obtained by sampling an analog signal with a first sampling frequency is processed to obtain the first sample value, thereby to calculat... | 10/28/1986 |
