| Patent Number |
Title Of Patent |
Date Issued |
| 5334984 |
Method and system for locating direction of transmission source based on wave therefrom |
August 2, 1994 |
| A direction finding method and system for locating the direction of a transmission source based on an electromagnetic wave which is transmitted from the transmission source and is received by an antenna means at a receiving end apparatus. The transmission source transmits an angle-mo |
| 5231997 |
Heating apparatus and method for hyperthermia |
August 3, 1993 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. Electromagnetic waves output from a single electromagnetic wave generating means are branched into a plurality of branched electromagnetic waves, which are re |
| 5148814 |
Heating apparatus for hyperthermia |
September 22, 1992 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. When it is necessary for a plurality of patients to be subjected to hyperthermia treatment at the same time and in parallel with each other, the control of a plur |
| 5109693 |
Thermally stabilized accelerometer |
May 5, 1992 |
| A pair of torquer magnets each comprising a cup-shaped yoke is provided with a disk-like permanent magnet and a pole piece. A through-hole provided through the center of the torquer magnet and a spool member made of a magnetic compensating metal is inserted into and fixed in the thro |
| 5065162 |
Communication system for helicopter |
November 12, 1991 |
| The present invention pertains to a radiowave relay station in which image information or the like is transmitted by a helicopter from a first station to a second station. A direction finding device is provided which detects the direction of a transmitting source, i.e., a first station. |
| 5053582 |
Electromagnetic waves shield tape |
October 1, 1991 |
| A magnetic wave shield tape comprises a strip-shaped conductive member and a strip-shaped insulative member, the strip-shaped magnetic member being fixed to and overlapping the strip-shaped insulative member in the width direction. |
| 5033478 |
Heating apparatus for hyperthermia |
July 23, 1991 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. When it is necessary for a plurality of patients to be subjected to hyperthermia treatment at the same time and in parallel with each other, the control of a plur |
| 5027130 |
Tapered energy absorbing radome portion |
June 25, 1991 |
| A radome includes a radome member formed of a dielectric to protect an antenna element from outside space and a structural member formed of metal for supporting the antenna element at the center thereof and to which the radome member is joined at the periphery of the antenna element to s |
| 5026959 |
Microwave radiator for warming therapy |
June 25, 1991 |
| This invention relates to a microwave radiator for warming therapy inserted into a human body to cure focuses of the body such as tumors. It has a first and second high-frequency coaxial cable. The second high-frequency coaxial cable has an inner conductor and a plurality of ring conduct |
| 5025810 |
Heating apparatus for hyperthermia |
June 25, 1991 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. Electromagnetic waves output from a single electromagnetic wave generating means are branched into a plurality of branched electromagnetic waves, which are re |
| 5017045 |
Method and apparatus for controlling attitude of shield excavator |
May 21, 1991 |
| Directional control of a shield excavator is automatically carried out merely by inputting a direction of rotational moment to which the excavator is directed and a magnitude of the moment. |
| 5009103 |
Ultrasonic thickness measuring method and apparatus |
April 23, 1991 |
| An ultrasonic thickness measuring method and apparatus in which an ultrasonic pulse is transmitted from a probe to a material to be measured and resulting multiple reflection pulses from the material to be measured are detected to obtain a time interval between the reflection pulses for |
| 5008486 |
Electromagnetic wave shielding panels and wall structure |
April 16, 1991 |
| An improved electromagnetic wave shielding panel and wall structure includes a plate member of electrically nonconductive material and an electrically conductive foil applied to at least one surface thereof, with an electrically conductive net laid on the electrically conductive foil |
| 4965503 |
Positional information generating apparatus and code means therefor |
October 23, 1990 |
| A positional information generating apparatus comprises a code disposed on a main track on which M-sequence codes form a cyclic code of different code words, and sensors disposed for attaining relative movement with reference to a direction of the main track. The code word is detected fr |
| 4937795 |
Access alarming method and apparatus for working vehicle |
June 26, 1990 |
| An access alarming method and apparatus for activating an alarm in the event of the access of a working vehicle, such as a road roller, to an object, such as a worker, in the same working area as the vehicle. An ultrasonic wave transmitted by a transmitter on the object is received by |
| 4930358 |
Method of and apparatus for measuring flow velocity by using ultrasonic waves |
June 5, 1990 |
| The present invention relates to a method of and an apparatus for measuring flow velocity by using ultrasonic waves. Sound velocities of wedge portions constituting ultrasonic transducers provided at the upstream and the downstream sides of a piping, respectively, are measured, and the |
| 4924171 |
System for supplying power source by electromagnetic induction coupling |
May 8, 1990 |
| Between two units which are separately arranged, a power source signal is supplied from one of the two units to the other unit via electromagnetic induction coupling by using induction coils, and data signals are mutually transmitted and received between both of the units. A change in co |
| 4922752 |
Flatness integrating/recording apparatus |
May 8, 1990 |
| A flatness integrating/recording apparatus of the present invention includes a car than can travel on a road surface, a device associated with the wheel of the car for calculating the travelled distance of the car, and an optical road surface irregularities measuring device provided on |
| 4896964 |
System for measuring irregularities of road surface |
January 30, 1990 |
| A system for measuring irregularities of a road surface, wherein laser rays irradiated on the road surface are received and processed in a predetermined manner. This system includes a body frame mounted on the road surface, a movable frame movably supported by this body frame, and a |
| 4891483 |
Heating apparatus for hyperthermia |
January 2, 1990 |
| The applicator used in this invention functions as an antenna for delivering electromagnetic energy into a living body. The applicator is supported by a supporting mechanism through a supporting device. The applicator can move to and stop at a position through the action of this supp |
| 4884580 |
Hyperthermia device |
December 5, 1989 |
| This invention relates to a hyperthermia device for treating cancerous growth in a living body utilizing electromagnetic waves. It features an ability for maintaining the temperature of the heated region by effectively controlling the output of the electromagnetic waves and the tempe |
| 4879918 |
Gyro compass |
November 14, 1989 |
| A gyro compass having a gyro case incorporating a gyro of which the spin axis is substantially horizontal, a vertical ring disposed around the outer periphery of the gyro case and for rotatably supporting the gyro case around a vertical axis, a follow-up pickup for detecting an angular |
| 4878754 |
Method of and apparatus for measuring irregularities of road surface |
November 7, 1989 |
| A method of and apparatus for measuring any irregularity on a road surface by applying a beam onto a measuring point on the road surface and detecting any change in the vertical position of the center of the beam spot formed on the road surface thereby obtaining data concerning the i |
| 4873995 |
Heating apparatus for hyperthermia |
October 17, 1989 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. Electromagnetic waves output from a single electromagnetic wave generating means are branced into a plurality of branched electromagnetic waves, which are res |
| 4868520 |
High-frequency power synthesizing apparatus |
September 19, 1989 |
| A high-frequency power synthesizing apparatus having a plurality of distributors arranged in a plurality of stages, a plurality of amplifiers which are supplied with outputs from a final stage of said power distributors and which amplify these outputs to a predetermined level, and a |
| 4860770 |
Heating apparatus for hyperthermia |
August 29, 1989 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. When it is necessary for a plurality of patients to be subjected to hyperthermia treatment at the same time and in parallel with each other, the control of a plur |
| 4857869 |
High frequency push-pull transformer |
August 15, 1989 |
| This invention relates to a push-pull transformer for use in a high frequency push-pull amplifier. This push-pull transformer has a coaxial line whose one end is connected to an input terminal, while the other end thereof is provided with an internal conductor and an outer conductor, the |
| 4841990 |
Applicator for use in hyperthermia |
June 27, 1989 |
| The applicator of this invention functions as an antenna of electromagnetic waves when used in hyperthermia. The casing of this applicator serves as waveguide.The applicator incorporates in its casing an electromagnetic lens. It is also provided with a cooling mechanism for cooling the b |
| 4841989 |
Applicator for use in hyperthermia |
June 27, 1989 |
| A very large proportion of electromagnetic waves are reflected by the surface of the human body. To cope with this phenonmenon, the applicator of the present invention incorporates an electromagnetic lens at an electromagnetic wave-radiating end portion thereof, thereby enabling elec |
| 4841308 |
Slotted waveguide antenna assembly |
June 20, 1989 |
| A slotted waveguide antenna assembly includes a slotted waveguide, a dielectric beam shaper and reflectors which are fixed and held by a holder member.The dielectric beam shaper is formed from a pair of dielectric plate members. The dielectric plate members are so arranged that they are |
| 4831544 |
Attitude and heading reference detecting apparatus |
May 16, 1989 |
| An attitude and heading reference detecting apparatus having three gyros and three acceleometers mounted to a navigation vehicle in such a manner that their input axes are made coincident with principal three axial directions of the navigation object, respectively, a magnetic azimuth |
| 4829312 |
Slotted waveguide antenna assembly |
May 9, 1989 |
| The present invention is applied to a slotted waveguide antenna assembly which comprises a slotted waveguide having a plurality of slots, a reflector having an aperture in front of the slotted waveguide and reflecting radiated electromagnetic wave for forming directive beam, and a mo |
| 4779837 |
Remote control poppet valve |
October 25, 1988 |
| A poppet valve in which a poppet is slidable in a valve body and opens or closes a main valve path for pressurized fluid at one end. The pressurized fluid is conveyed to a back pressure chamber at the rear of the poppet either through a reduced flow path or through a valve arrangement be |
| 4747416 |
Heating apparatus and method for hyperthermia |
May 31, 1988 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. When it is necessary for a plurality of patients to be subjected to hyperthermia treatment at the same time and in parallel with each other, the control of a plur |
| 4747359 |
Apparatus for controlling the turn of ship |
May 31, 1988 |
| When the right turn or left turn is set by operating one joystick lever, the bow thrustor arranged on the bow side generates the drift thrust in the rightward or leftward direction in accordance with the turning angular velocity on the basis of the operation of the joystick lever. At the |
| 4744372 |
Heating apparatus and method for hyperthermia |
May 17, 1988 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. Electromagnetic waves output from a single electromagnetic wave generating means are branched into a plurality of branched electromagnetic waves, which are re |
| 4741348 |
Heating apparatus for hyperthermia |
May 3, 1988 |
| A heating apparatus for hyperthermia utilizes electromagnetic waves for locally heating cancerous cells within a living body. Electromagnetic waves output from a single electromagnetic wave generating device are branched into a plurality of electromagnetic wave outputs, which are res |
| 4690156 |
Applicator for localized hyperthermia by electromagnetic waves |
September 1, 1987 |
| Coolant liquid is caused to flow through a lens section of an applicator to control the heating of the applicator due to a loss in propagation of the electromagnetic waves in the applicator. Furthermore, in this applicator, device for decreasing the internal loss, device for improving a |
| 4673254 |
Back-reflection type light diffusing apparatus |
June 16, 1987 |
| A back-reflection type light diffusing apparatus of this invention is suitable for use in liquid crystal display panels or the like, and is formed by a light guiding plate. The light guiding plate has one surface which forms a first surface through which light is radiated while its o |
| 4630639 |
Apparatus for controlling pressure and flow rate |
December 23, 1986 |
| A differential pressure regulator is arranged in series on the inflow side of a variable throttle for adjustment of a flow rate. An inlet pressure of the variable throttle is led into a primary pilot chamber of the differential pressure regulator. A constant flow control valve is provide |
| 4611496 |
Ultrasonic flow meter |
September 16, 1986 |
| In an ultrasonic flow meter in which an ultrasonic transducer for transmission and an ultrasonic transducer for reception are arranged so as not to be opposite to each other, so that the flow rate is measured from the flow rate dependency of the phase difference of the ultrasonic wave in |
| 4468808 |
Feature extraction system for digitized character information |
August 28, 1984 |
| Disclosed is an extraction method for optical character recognition systems in which the necessary character features for recognition process are extracted from a character information detected and digitized by an optical scanner. In accordance with this method, the local features of |
| 4428398 |
Pressure control valve |
January 31, 1984 |
| A pressure control valve including a valve, a spring for pressing the valve, and a power input means for compressing the spring further comprises a backup force-generating mechanism for producing and directing a backup force counter to the direction in which the reaction force due to |
| 4336594 |
Automatic steering apparatus for ships |
June 22, 1982 |
| The present invention relates to an automatic steering apparatus for ships which prevents the occurrence of directional instability due to unusual phenomena which occur at small rudder angles of so-called full-bodied ships.When the rudder angle of such ship is small, two stable steady tu |
| 4054053 |
Automatic weld flaw detector |
October 18, 1977 |
| An automatic weld flaw detector comprises a comparator for comparing the height of an echo from a detected flaw upon movement of a probe over each unit distance with a maximum echo height already known, a counting circuit adapted to work in response to the comparing action of the compara |
| 3985469 |
Output control device for a hydraulic pump of the variable displacement type |
October 12, 1976 |
| In an output control device for a hydraulic pump of the variable displacement type wherein delivery pressure is led into a cylinder of the control device to move a control piston therein back and forth and let the piston change the inclination of a yoke, thereby varying the delivery of |
