| Patent Number |
Title Of Patent |
Date Issued |
| RE31119 |
Fly-back transformer with a low ringing ratio |
January 4, 1983 |
| In a fly-back transformer, the tertiary winding for obtaining the secondary B power source is wound in a position where the coupling with the primary winding is weak and where it interlinks the leakage flux of the secondary winding with the primary winding, and the output of the tertiary |
| 5963590 |
Method for receiving digital radio signals and a digital radio signals receiver |
October 5, 1999 |
| A framing and voice decoder part outputs an error information. An error ratio monitoring part monitors a bit error ratio based on the error information. A sampling rate changing part decides a sampling rate based on the bit error ratio and changes a number of bits of each shift register |
| 5956376 |
Apparatus for varying a sampling rate in a digital demodulator |
September 21, 1999 |
| A framing and voice decoder part outputs an error information. An error ratio monitoring part monitors a bit error ratio based on the error information. A sampling rate changing part decides a sampling rate based on the bit error ratio and changes a number of bits of each shift register |
| 5903240 |
Surface mounting antenna and communication apparatus using the same antenna |
May 11, 1999 |
| A surface mounting antenna in which a wider frequency bandwidth can be achieved and a dual-frequency signal can be obtained without hampering the gain and needing to enlarge the configuration of the antenna. Also disclosed is a communication apparatus using this type of antenna. Two |
| 5874926 |
Matching circuit and antenna apparatus |
February 23, 1999 |
| A matching circuit and an antenna apparatus which, though small-sized, can be used in a radio apparatus which transmits and receives radio waves having a wide range of frequencies. A matching circuit includes an inductance element formed of a chip inductor connected in series with an |
| 5870269 |
Demagnetizing circuit |
February 9, 1999 |
| A demagnetizing circuit has a positive characteristic thermistor and a demagnetizing coil connected in series with an alternating current power supply and is so constructed that it is possible to suppress the production of a low-frequency electromagnetic field. After the completion o |
| 5870065 |
Chip antenna having dielectric and magnetic material portions |
February 9, 1999 |
| A miniature chip antenna which can be utilized as an antenna for use in a high-frequency region is provided. The chip antenna comprises a substrate, at least one conductor, and at least one feeding terminal. The substrate comprises a dielectric material portion and a magnetic material po |
| 5867126 |
Surface-mount-type antenna and communication equipment using same |
February 2, 1999 |
| A current-inducing-type surface-mount-type antenna which is short in length and thin in thickness and which can be formed into a small size and communication equipment having the same mounted therein. A radiation electrode substantially in the shape of a letter L or a sideways U and a |
| 5861854 |
Surface-mount antenna and a communication apparatus using the same |
January 19, 1999 |
| A surface-mount antenna includes a radiation electrode formed on one or more surfaces of a rectangular parallelopiped base member comprising a dielectric or a magnetic substance so as to have one end as an open end and another end as a first ground electrode, a feeding electrode formed o |
| 5861852 |
Chip antenna |
January 19, 1999 |
| A downsized chip antenna having a large bandwidth ratio is disclosed. The chip antenna has a rectangular prism-shaped base member providing a mounting surface. A conductor is formed inside the base member in such a manner that it is spirally wound around a winding axis, for example, a |
| 5850677 |
Method of mounting a piezoelectric element |
December 22, 1998 |
| An opening is formed in a region of a circuit board opposite a vibration region E of a piezoelectric element. The piezoelectric element is mounted to the circuit board, and electrical connections extend between and support the piezoelectric element from the circuit board by a solder. The |
| 5818398 |
Surface mounting type antenna system |
October 6, 1998 |
| A surface mounting type antenna system 10 is formed by spirally winding a conductor 14 made of copper or copper alloy, with a power supply member 12 provided at one end of the conductor 14, the other end thereof being a free end 13, on the edge faces of a rectangular parallelepiped as a |
| 5798737 |
Chip antenna |
August 25, 1998 |
| A chip antenna having a substrate comprising either of a dielectric material or a magnetic material, at least one conductor formed on at least one side of a surface of the substrate or inside the substrate, and at least one feeding terminal provided on the surface of the substrate for |
| 5777587 |
Surface-mounted antenna |
July 7, 1998 |
| An antenna includes a dielectric substrate, an input/output electrode, a metal wire, and a metal cap. The metal wire is coiled so that its forward end is connected to the input/output electrode through a connecting electrode and a lead electrode while its another end is connected to an |
| 5702996 |
Insulation paste containing glass |
December 30, 1997 |
| Disclosed herein is a glass composition for insulation which comprises SiO.sub.2 and at least one of B.sub.2 O.sub.3 or K.sub.2 O in a ratio falling within the region enclosed by lines passing through point A (65, 35, 0), point B (65, 20, 15), point C (85, 0, 15) and point D (85, 15, 0) |
| 5673392 |
Method of executing communication program in modem apparatus |
September 30, 1997 |
| A method of executing communication programs in a modem apparatus. A plurality of communication programs used to perform data communication or facsimile communication are stored in an internal memory space (e.g., ROM) in a processor after they have been compressed. A communication progra |
| 5667395 |
Communication card and structure of jack for use in the same |
September 16, 1997 |
| A communication card and the structure of a jack therefor. The end face of the card is provided with a slit-like aperture. Into the aperture there is inserted a base plate having a thickness smaller than the width of the aperture so as to allow insertion into the interior of the card and |
| 5604667 |
Mounting structure for mounting a piezoelectric element |
February 18, 1997 |
| An opening is formed in a region of a circuit board opposite a vibration region E of a piezoelectric element. The piezoelectric element is mounted to the circuit board, and electrical connections extend between and support the piezoelectric element from the circuit board by a solder. The |
| 5512822 |
Magnetic sensor with member having magnetic contour antisotropy |
April 30, 1996 |
| A magnetic sensor includes a member having a magnetic contour anisotropy. A counterpart yoke is disposed above a magnet. The thickness of the counterpart yoke is equal to or slightly smaller than the resolution. The counterpart yoke has a magnetic contour anisotropy for restraining the |
| 5473394 |
Convergence measuring apparatus |
December 5, 1995 |
| A convergence measurement apparatus for a color cathode-ray tube is capable of high precision convergence measurement by elimination of luminance omission portions occurring in the screen. A dot pattern displayed on a color cathode-ray tube is picked up by an image pickup camera and is |
| 5463664 |
DQPSK delay detection circuit that produces stable clock signal in response to both I and Q sign |
October 31, 1995 |
| A DQPSK delay detection circuit is provided that can securely reproduce stable clock signal. An absolute value circuit ABS(14) calculates an absolute value of I signal. An absolute value circuit ABS(15) calculates an absolute value of Q signal. Subtraction circuit(16) generates a P s |
| 5461671 |
Telephone line power utility circuit |
October 24, 1995 |
| A telephone line power utility circuit, in which direct-current power supplied through a telephone line-side is utilized as a power source for a line terminal device having a direct-current resistance, the telephone line power utility circuit including a DC-DC converter connected with th |
| 5448212 |
Deflection yoke device |
September 5, 1995 |
| A deflection yoke device of the present invention includes a unit bobbin to be mounted in such a manner as to be fitted in a head portion side of a deflection yoke bobbin. The unit bobbin has two coil winding portions disposed at either or both of top and bottom sides of the deflection y |
| 5446432 |
Saddle type deflection coil |
August 29, 1995 |
| A saddle type deflection coil assembly is formed of a plurality of conductor wires which are not displaced and biassed. A resulted multicore parallel conductor wire is thus not twisted. The deflection coil assembly includes an external coil constructed by winding the plurality of paralle |
| 5432401 |
Correcting coil of deflection yoke |
July 11, 1995 |
| There is provided a correcting coil of a deflection yoke wherein a correcting coil is brought into close and wide contact with a neck portion of a bobbin 1 of the deflection yoke by slightly altering the correcting coil which is used at present to further improve magnetic permeability an |
| 5424093 |
Method of manufacturing electronic elements |
June 13, 1995 |
| A thick layer of electrode material paint is formed on a flat surface. A film of the electrode material paint is formed on an element by dipping the element into the layer. In the next step, a thinner layer of the electrode material paint than the aforementioned layer is formed on a flat |
| 5412357 |
Noise filter having non-linear voltage-dependent resistor body with a resistive layer |
May 2, 1995 |
| A noise filter including semi-conductor ceramics having voltage non-linearity characteristics. End surface electrodes are formed on a pair of opposing end surfaces of the semi-conductor ceramics and side surface electrodes are formed on a pair of side surfaces thereof. A first inner |
| 5408690 |
Antenna supervising apparatus comprising a standing wave ratio measuring unit |
April 18, 1995 |
| In an antenna supervising apparatus for supplying a multiplexed signal comprised of a plurality of carrier wave signals respectively outputted from a plurality of transmitters through a transmission line to an antenna, a directional coupler detects progressive signals of the multiple |
| 5402091 |
Frame body for use in winding a coil for deflection yoke |
March 28, 1995 |
| A coil-winding frame body for deflection yoke coil, includes: a straight portion formed as a neck side; a trumpet-shaped curved surface portion spreading outward from the end of the straight portion toward a head side; and a plurality of flanges formed on the inner face of the body for |
| 5395268 |
Modular jack |
March 7, 1995 |
| A modular jack which is made thin. A hole is pierced in a flat member and a box member is disposed at an opening on one side of the hole. A modular plug is inserted through an opening opposite to the opening where the box member is located. At that time, the insertion direction is regula |
| 5391094 |
Card-type line interface device |
February 21, 1995 |
| A card-type line interface device is provided with good portability and low-price. The line interface device includes an adapter unit 1 and a card unit 2 for inserting into the card slot of a communication terminal device. The adapter unit 1 has a card connecting connector 11 on a part o |
| 5385479 |
Modular jack |
January 31, 1995 |
| A modular jack applicable to a flat assembly. A hole is pierced in a flat member and a cover that can be opened and closed is disposed so as to cover an opening of the hole. When a modular plug is inserted into the hole, the cover is opened; when not, the cover is closed. When the cover |
| 5379323 |
DQPSK delay detection circuit |
January 3, 1995 |
| A DQPSK delay detection circuit includes a semi-synchronous detector synchronously detecting an input signal to obtain two demodulated signals, a low-pass filter for extracting a baseband signal from the demodulated signals, an A-D convertor sampling the baseband signal by a clock signal |
| 5367447 |
Signal separation circuit |
November 22, 1994 |
| A signal separation circuit for separating direct current power on a telephone with a transistor. A CPU, which includes an A/D converter, is connected to detect the emitter-collector voltage of the transistor, and to control the base current of the transistor to maintain the emitter- |
| 5359494 |
Mounting structure of piezoelectric element |
October 25, 1994 |
| An opening 11 is formed in a region of a circuit board 10 opposite to a vibration region E of a piezoelectric element 5. The piezoelectric element 5 is mounted on the circuit board 10, and electrode connection portions 9 of the piezoelectric element 5 are connected with and fixed to the |
| 5359150 |
Wire ribbon |
October 25, 1994 |
| A wire ribbon has a plurality of insulator-coated conductive wires, each having an insulating layer formed on a surface of a conductive wire. The insulator-coated conductive wires are arranged parallel in a row to be adjacent to each other. The adjacent insulator-coated conductive wires |
| 5325067 |
Apparatus for matching impedance in an electrostatic sensor |
June 28, 1994 |
| It is an object of the present invention to prevent variations in sensitivity of the sensor circuits of the respective channels by equalizing the power of oscillation frequency signals to be distributed/supplied from one oscillation circuit to the sensor circuits of the respective ch |
| 5323025 |
Pyroelectric IR-sensor having a low thermal conductive ceramic substrate |
June 21, 1994 |
| A pyroelectric IR-sensor in which a pyroelectric light receiving element is mounted on a MID substrate or a ceramic substrate of which thermal conductivity is less than 0.02 cal/cm.sec..degree. C. in a manner that both end portions of the pyroelectric light receiving element are supp |
| 5321366 |
Capacitance sensor apparatus of divided multi-electrode type |
June 14, 1994 |
| A plurality of sensor circuits each including an oscillator circuit, a detection electrode, and a ceramic resonator for changing a resonance frequency in accordance with a change in small electrostatic capacitance detected by the detector electrode and outputting a detection signal c |
| 5296707 |
Apparatus for detecting movement of heat source |
March 22, 1994 |
| In order to detect the movement of a heat source over a widened range by using a reduced number of pyroelectric type infrared sensors, a sensor section includes two infrared detecting means X and Y. The area to be observed by the infrared detecting means X is divided into two zones A and |
| 5289122 |
Magnetic sensor for detecting coarse and fine magnetic patterns |
February 22, 1994 |
| A magnetic sensor. A plurality of sensing parts are deposited and formed on an element substrate in film form. The inside two of the sensing parts are connected in series to use for a reading of a narrow pitch magnetic pattern, and the outside two of the sensing parts are also connected |
| 5278746 |
High voltage generator |
January 11, 1994 |
| In a high voltage generator including a flyback transformer having a low-voltage coil and a high-voltage coil, a first switching element is disposed in a current path between a drive power source, the low-voltage coil and ground. The first switching element is turned on and off so as to |
| 5263370 |
Liquidometer |
November 23, 1993 |
| A liquidometer composed of a siphon for emitting a sample liquid stored in a reservoir and a liquid level sensor for sensing the level of the sample remained in the reservoir. The siphon further includes a pair of sensors for counting the number of emission thereof, while the liquid leve |
| 5262647 |
Infrared detector with pyroelectric detector element and chopper control circuit |
November 16, 1993 |
| An infrared detector with a pyroelectric detector element and an AC amplifier has a chopper control circuit that enables the detector to sense either a moving person or temperature. When used to sense a moving person, the chopper control circuit stops operation of the chopper, and the ga |
| 5231359 |
Ceramic resonance type electrostatic sensor apparatus |
July 27, 1993 |
| A ceramic resonance type electrostatic sensor apparatus with an oscillator at a fixed frequency including a first ceramic resonator which has a fixed resonance frequency, a detecting unit for detecting a capacitance between the detecting unit and an object to be detected, a resonating ci |
| 5226313 |
Body fluid excretion measurement apparatus for medical application |
July 13, 1993 |
| A body fluid excretion volume measurement apparatus for medical application. The apparatus stores body fluid excreted from patients in a body fluid storage tank and measures the resistance value with a resistance sensor. The resistance value depends on the shape of the body fluid sto |
| 5214392 |
Multilayered ceramic type electromagnetic coupler apparatus |
May 25, 1993 |
| A multilayered ceramic electromagnetic coupler apparatus includes coils formed on ceramic substrates. The coils are laminated and have insulting layers between the ceramic substrates, a modulator section having an oscillator and a demodulator for outputting a transmitted signal. |
| 5198777 |
Paper thickness detecting apparatus having a resonator with a resonance point set by a capacitan |
March 30, 1993 |
| Apparatus for detecting thickness which includes an electrode detecting unit including a ground electrode and a detecting electrode. The electrodes oppose each other along a paper path. An oscillating circuit provides an oscillation frequency signal. A resonant circuit, having a reso |
| 5191307 |
Deflection yoke apparatus |
March 2, 1993 |
| A coil case with a coil receptacle for receiving a coil winding is formed integrally with cover flaps which are swingably joined to either end of the coil receptacle by hinge portions. The coil case has mounting pawls formed thereon. The coil winding is received inside the coil case and |
| 5187444 |
Sensor for sensing the presence of electrolyte solution |
February 16, 1993 |
| A liquid sensor for detecting, in a non-contact manner, whether an electrolyte solution is flowing through a pipeline. A pair of electrodes, on which an AC voltage is impressed, are mounted on the outer surface of a pipeline formed of a material having a high dielectric constant, such as |
