| Patent Number |
Title Of Patent |
Date Issued |
| 5191572 |
Optical recording and playback system of dual light source type |
March 2, 1993 |
| A dual light source optical recording and playback system which comprises a first light source which is a semiconductor laser for irradiating tracks of a recording medium with recording spot light to record pits as information units, a second light source for irradiating the tracts with |
| 5189290 |
Optical card processing apparatus using tracking error signals to determine proper card orientat |
February 23, 1993 |
| An optical card processing apparatus is disclosed in which an optical head producing an irradiating light beam is forcibly moved in a direction orthogonal to a direction of tracks of an optical card set in the apparatus. A tracking error signal as the moving light beam irradiates the |
| 5188115 |
Ratcheting mechanism for tightening cuff or blood pressure monitor |
February 23, 1993 |
| A ratcheting device for use in tightening the cuff of a blood pressure monitor has a lever, a lever mounting which is attached to one end of the cuff and which holds the lever so that it can be moved in a given direction or an opposite direction. An elastic body is disposed between t |
| 5182228 |
Method of manufacturing a semiconductor light-emitting device |
January 26, 1993 |
| In a ridge waveguide-type semiconductor light-emitting device, a buried layer is composed of a high-resistance semiconductor material (e.g., amorphous silicon), thereby improving the heat-dissipating characteristic and prolonging lifetime. The buried layer is made higher than the top |
| 5179668 |
Signal processor |
January 12, 1993 |
| The invention relates to a signal processor to be built into a controller or the like for receiving various input signals and generating control signals according to the input signals. The signal processor includes an internal bus interconnecting various components of the signal processo |
| 5179634 |
System for synthesizing new fuzzy rule sets from existing fuzzy rule sets |
January 12, 1993 |
| A fuzzy rule generator for generating fuzzy rules, comprising: a selection unit for selecting two or more sets of rules from a plurality of basic sets of rules which may be stored in memory; and a control unit for generating a new set of rules by carrying out a synthetic arithmetic o |
| 5179287 |
Displacement sensor and positioner |
January 12, 1993 |
| The invention provides a displacement sensor comprising a light-emitting element for projecting a detection light towards an object in a substantially perpendicular direction, a condensing element for condensing a reflected light from the object, and a position sensitive device with |
| 5176858 |
Method and apparatus for controlling molding machine |
January 5, 1993 |
| A burr amount and a shrinkage cavity amount which have been inputted with respect to a molded article by a molding machine are received. A membership function relating to the burr amount, a membership function relating to the shrinkage cavity amount, a membership function of a value |
| 5175422 |
Handy image scanner |
December 29, 1992 |
| A hand-held image scanner according to this invention comprises a light source, a transparent cover through which a light emitted from the light source passes to illuminate a script, and an optical system into which light reflected from the script is input, wherein the transparent cover |
| 5165531 |
Trigger switch |
November 24, 1992 |
| A trigger switch for hand-held electric power tools in which an actuating arm for actuating a switch mechanism is pivotally supported in a case by way of a pivot shaft pivotally supported by a pair of parallel lateral walls defining the case, and a trigger member having a front end and a |
| 5163446 |
Electromagnetic heating device |
November 17, 1992 |
| An electromagnetic heating device for heating a living body or an object, comprising a cavity resonator made of hollow electroconductive material for receiving a living body or an object therein and heating same by a high frequency electromagnetic field produced therein; and at least an |
| 5161538 |
Blood pressure measuring device |
November 10, 1992 |
| A blood pressure measuring device is provided which comprises a cuff for pressuring an artery, electronic circuitry made up of a clock, control unit, and blood pressure measuring unit for measuring blood pressure and controlling the device, and a cuff pressurizing and depressurizing unit |
| 5160910 |
Electromagnetic relay |
November 3, 1992 |
| An electromagnetic relay, comprising: a case consisting of a terminal base and a cover fitted thereon; a pair of contact units arranged laterally on the terminal base; an electromagnet unit arranged in the case on a longitudinal end of the contact units; an upper longitudinal insulating |
| 5158889 |
Biological cell sorter |
October 27, 1992 |
| A biological cell sorter, comprising: a first laser for emitting a first laser beam directed to a point in a tube conducting biological cells in a single file, a first light detector for detecting a cell to be destroyed according to a light emitted from the cell as a result of impinging |
| 5157675 |
Apparatus utilizing light emitting semiconductor device |
October 20, 1992 |
| Disclosed is an apparatus utilizing a light emitting semiconductor device which has a pumped region and an unpumped absorber region and in which an active layer has a quantum well structure. In this light emitting semiconductor device, driving current/light output characteristics have |
| 5157246 |
Speed control for manual scanning card reader/writer |
October 20, 1992 |
| A speed governor roller (10) is provided so as to face a magnetic head (4) which is supported so as to face a manual conveying path (20) of a magnetic card (7). One end of a speed governor spring (15) is attached to the peripheral surface of the speed governor roller (10). A flywheel (17 |
| 5155543 |
Adjustable flow cytometer |
October 13, 1992 |
| A flow cytometer has a flow cell containing a flowing stream of a number of particles which flow one at a time in a straight line based on hydrodynamic methods, a radiator for radiating a light on the particles flowing through the flow cell, a forward scattered light detector for det |
| 5154632 |
Shielded wire connector |
October 13, 1992 |
| A shielded wire connector comprising an electrically insulating connector body and a holder contiguous to the connector body through a pivot member and adapted to hold a shielded wire having a shield on its core wire securely in position, the connector body having a first and a second |
| 5148378 |
Sensor controller system |
September 15, 1992 |
| A sensor controller system, comprising a plurality of sensors for producing detection signals, and a sensor controller for receiving outputs form said sensors and producing an evaluation signal for an external circuit. To detect any fault in the sensors, the outputs from the sensors are |
| 5146107 |
Transistor switching circuit having diode-resistor in base of transistor for fast discharge |
September 8, 1992 |
| In a switching circuit formed as an integrated circuit, a series circuit comprising a diode (D.sub.1) and a resistor (R.sub.1) is connected between a base and an emitter of an npn transistor (TR.sub.1) requiring a high speed switching operation. Therefore, a high speed operation is made |
| 5142416 |
Reflection-type photoelectric switch, fresnel lens and method of manufacturing said lens |
August 25, 1992 |
| A reflective-type photoelectric switch projects emitted light from a light-emitting element toward a detection zone by a light-projecting optical system, and guides reflected light from an object to be detected in the detection zone to a light-receiving element by a light-receiving o |
| 5138687 |
Rib optical waveguide and method of manufacturing the same |
August 11, 1992 |
| On a substrate (1), a core layer (2) is formed such that the core layer (2) includes a rib section (2a) fabricated to be integral therewith. The core layer (2) and the rib section (2a) are formed with a liquid material to be solidified under an energy irradiation, for example, a UV-setti |
| 5135302 |
Flow cytometer |
August 4, 1992 |
| This flow cytometer includes flow cell containing a flowing stream of a number of particles which flow one at a time in a straight line based on hydrodynamic methods, a radiator for radiating a light on the particles flowing through the flow cell, a forward scattered light detector for |
| 5132843 |
Grating lens and focusing grating coupler |
July 21, 1992 |
| A grating lens is disclosed in which diffraction efficiency varies in the focusing direction of light on a surface of the lens. Also disclosed is a focusing grating coupler in which the diffraction efficiency of a grating formed on an optical waveguide, which is formed on a substrate, va |
| 5130531 |
Reflective photosensor and semiconductor light emitting apparatus each using micro Fresnel lens |
July 14, 1992 |
| In a reflective photosensor in which a light emitting element and a light receiving element are disposed in a mold resin, a planar optical element (micro Fresnel lens) including a first lens section for projecting a light emitted from the light emitting element toward a sense object in a |
| 5124879 |
Electrostatic drive device and circuit for controlling same |
June 23, 1992 |
| An electrostatic drive device includes at least one fixed electrode plate provided on a fixed portion, and at least one movable electrode plate provided on a movable portion resiliently supported on the fixed portion so as to move freely. The fixed electrode plate and movable electrode |
| 5122903 |
Optical device and optical pickup device using the same |
June 16, 1992 |
| An optical element having a substrate and a composite grating pattern formed thereon. The pattern is constituted with two different kinds of grating patterns superimposed on the substrate. When one of the two kinds of grating patterns is formed in a Fresnel lens pattern, a light focusing |
| 5119823 |
Cuff wrapping apparatus for blood pressure meter |
June 9, 1992 |
| A cuff wrapping apparatus has a casing and a cuff. A lever base to which the leading tip of the cuff is fixed, is slidably provided with respect to the case, both in cuff winding and cuff releasing directions. Also, a movable lever is provided on the lever base. The movable lever is also |
| 5117209 |
Electromagnetic relay |
May 26, 1992 |
| In the electromagnetic relay of the present invention, a fixed contact and a movable contact piece are separated from an electromagnetic block and a movable iron piece, so that an insulating distance is elongated, with improving the resistance to voltage. The electromagnetic relay can be |
| 5111034 |
Apparatus utilizing light emitting semiconductor device |
May 5, 1992 |
| Disclosed is an apparatus utilizing a light emitting semiconductor device which has a pumped region and an unpumped absorber region and in which an active layer has a quantum well structure.In this light emitting semiconductor device, driving current/light output characteristics have dep |
| 5107848 |
Cuff mechanism for blood pressure meter |
April 28, 1992 |
| A cuff for a blood pressure meter comprising a casing, a cylindrical collar accommodated in the casing, a slider to which one end of the collar is connected, a stopper for the slider, a knob for the slider, a spring for interconnecting the knob and slider, and an indicator for indicating |
| 5107157 |
Linear guide apparatus |
April 21, 1992 |
| A linear guide apparatus comprises a fixed body; a movable body movable on the fixed body in a predetermined direction; a retainer disposed between the fixed and movable bodies, for rotatably supporting rolling bodies brought into contact with the fixed and movable bodies; a first rack |
| 5099111 |
Optical card processing apparatus |
March 24, 1992 |
| An optical card processing apparatus includes a holder feed mechanism (4) for reciprocating a card holder (2) holding an optical card (8), an optical head (5) for recording information on and/or reproducing information from the optical card held by the card holder, and a card holding |
| 5098078 |
Continuous paper let-out apparatus |
March 24, 1992 |
| The continuous paper let-out apparatus for letting out paper in sequence beginning from a first paper (2a) of a plurality of papers (2) accommodated under stacked condition, comprises let-out rollers (7), auxiliary rollers (6) and friction rollers (8). The let-out rollers (7) are in |
| 5097354 |
Beam scanner |
March 17, 1992 |
| The invention provides a beam scanner comprising a light-emitting element, a lens disposed forwardly of the light-emitting element in such a manner that its optical axis is parallel to the optical axis of the light-emitting element, and a rocking reflective mirror which is rotated by |
| 5094245 |
Electronic blood pressure meter |
March 10, 1992 |
| An electronic blood pressure meter in which average pulse wave ratio values are computed from pulse wave data as a ratio of a difference between an average pulse wave level and a minimum pulse wave level to a difference between a maximum pulse wave level and the minimum pulse wave level, |
| 5090919 |
Terminal piece sealing structure |
February 25, 1992 |
| A seal structure for an electric device having an electrically conductive lead portion which passes through a through hole in a bottom surface of an electrically insulating housing. Additionally, the housing is provided with a lateral slot in a side surface thereof which is in communicat |
| 5090423 |
Local heating apparatus and cavity resonator for local heating |
February 25, 1992 |
| A heating apparatus suitable for use in medical heat treatment of an affected portion of a human body employs a cavity resonator supplied with high-frequency energy from a high-frequency power supply unit. The cavity resonator comprises a cavity formed of a conductive material and at lea |
| 5084598 |
Electric switch for a power tool |
January 28, 1992 |
| An electric switch for a power tool, comprising: a slider slidably received in a switch casing along a longitudinal direction, a handle provided in the grip of the power tool for manually actuating the slider along the longitudinal direction; a plurality of fixed contact pieces arranged |
| 5081436 |
Electromagnetic relay having an improved terminal structure |
January 14, 1992 |
| An electromagnetic relay in which terminal pieces carrying fixed contact pieces can be assembled in the case for the electromagnetic relay from above. The case consists of a main case accommodating an electromagnet unit, a terminal case accommodating a contact unit and mounted on the mai |
| 5077824 |
Direct-current motor control |
December 31, 1991 |
| A motor control circuit for controlling supply of electric power from a power source to an electric motor, in particular for use in electric power tools, comprising: an output power device for controlling supply of current to the motor according to a duty ratio of a control input signal |
| 5070315 |
Electromagnetic relay |
December 3, 1991 |
| An electromagnetic relay, comprising: an electromagnetic coil; an iron core passed centrally through the electromagnetic core; a yoke having a first end connected to a first end of the iron core; and an L-shaped armature, having a short piece and a long piece connected to each other via |
| 5063355 |
Timer circuit |
November 5, 1991 |
| The timer circuit according to this invention has a first circuit block to which a source voltage is applied at all times and which includes a memory circuit which is set when an input signal is applied thereto. The timer circuit also has a reference voltage circuit which outputs a refer |
| 5059754 |
Compact switch device having a push button with long stroke |
October 22, 1991 |
| A switch structure suitable for a compact switch device is disclosed. The switch structure is formed of a push button, a switch body switched in correspondence with a pressing operation of the push body and a switch base or a switch holder holding these elements unitary, and a spring |
| 5057759 |
Discrete-time AC motor control apparatus |
October 15, 1991 |
| In a discrete-time alternating-current motor control apparatus having a state estimation observer estimating a rotor angle and a rotor angular velocity based on a direct quadrature transformation model of the motor, the gain of the observer is changed over depending on an estimated angul |
| 5051547 |
Switch mechanism for an electric power tool |
September 24, 1991 |
| A switch mechanism for an electric power tool, comprising: a linear slider received in a switch case so as to be moved manually in a first direction against the biasing force of a return spring; an actuating pin carried by the linear slider so as to be moveable along a second direction |
| 5048523 |
Transcutaneous electric nerve stimulator |
September 17, 1991 |
| In a transcutaneous electric nerve stimulator for producing in a predetermined sequence of different types of waveforms (in which the frequency varies, the signal is successively and/or intermittently created, etc.), when the user depresses a predetermined switch while a desired wave |
| 5042045 |
Ridge-waveguide semiconductor laser |
August 20, 1991 |
| A semiconductor laser includes a substrate (11) on which there are successively formed a first cladding layer (12), an active layer (13), a second cladding layer (14), an etching-stop layer (15) exhibiting little absorptivity with respect to light emitting by the active layer, and a |
| 5040873 |
Optical device |
August 20, 1991 |
| An optical device is fitted into a casing (2) in a state in which a pair of lenses (6, 8) have the same optic axis (Ra). The casing (2) includes two identically shaped casing halves (1A, 1B), with the pair of lenses (6, 8) being embraced and held by the two casing halves in a state in wh |
| 5039868 |
Method of and apparatus for inspecting printed circuit boards and the like |
August 13, 1991 |
| Disclosed is a substrate inspecting method in which light is projected to a part (21) mounted on a substrate (20) from a ring-shaped light source (29), reflected light form the surface of a soldered portion (44) is imaged by an imaging unit (32) and the nature of the soldered portion is |
