Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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| Number | Title | Issue Date |
| 4825773 | Transporting system of floated-carrier type A transporting system of floated carrier type including a guide rail having a bottom surface portion formed of a ferromagnetic material, a carrier arranged to be freely movable along the guide rail, at least one magnetic supporting unit placed on board th... | 05/02/1989 |
| 4813507 | Axle beam including a protecting member An axle beam for the rear wheel suspension of a front-engine front-wheel drive vehicle is disclosed. An axle beam body extends in the transverse direction of the vehicle with both ends thereof attached to wheel hubs, and trailing arms and springs connect ... | 03/21/1989 |
| 4810150 | Ceramic fiber layer fixing pin A pin for fixing an innermost ceramic fiber layer of a plurality of ceramic fiber layers so as to line a furnace wall to at least one other ceramic fiber layer of the plurality of ceramic fiber layers, situated at a side of the furnace wall with respect t... | 03/07/1989 |
| 4807270 | Radiological scanning apparatus A radiological scanning apparatus for forming an image of an object on a film by scanning said object with a flat fan shaped beam. The film is conformed so as to form a surface of revolution. The surface of revolution is, on the one hand, moved in the sam... | 02/21/1989 |
| 4801481 | Perpendicular magnetic recording floppy disk A perpendicular magnetic recording floppy disk comprises a flexible plastic film substrate, a first magnetic recording layer formed on one side of the plastic film substrate and having an axis of easy magnetization in a direction perpendicular to the one ... | 01/31/1989 |
| 4800321 | High pressure sodium lamp A high pressure sodium lamp includes an arc tube having an inner diameter greater than 12 mm. An amalgam including a prescribed quantity of sodium and mercury is sealed in the arc tube. To achieve the maximum lamp efficiency in different values of the inn... | 01/24/1989 |
| 4798769 | Electrode supporting conduit tube for electrical heating of underground hydrocarbon resources An electrode supporting conduit tube for electrical heating of underground hydrocarbon resources comprises a metal conduit tube and an insulating member adhered on and around the outer peripheral surface of the metal conduit tube. The insulating member is... | 01/17/1989 |
| 4797799 | Power converter A power converter device that interchanges power between a first A. C. system and a second A. C. system, including an externally commutated power converter controlled such that the D. C. voltage of a D. C. line tracks a reference value, a voltage type sel... | 01/10/1989 |
| 4796588 | Fuel control apparatus A fuel control apparatus comprises a hot-wire type intake air quantity sensor disposed in an air intake passage for an internal combustion engine to detect the quantity of air passing therethrough, a burn-off control section for heating a hot wire at a te... | 01/10/1989 |
| 4795859 | Control device for electric train A control device for an electric train formed of plural coupled carriages each of which receive power from an overhead power line via a collector, wherein each carriage is provided with a power converter for converting power from the overhead line to a su... | 01/03/1989 |
| 4794049 | Electrode supporting conduit tube for electrical heating or underground hydrocarbon resources An electrode supporting conduit tube for electrical heating of underground hydrocarbon resources comprises a metal conduit tube; and an insulative covering adhered on and around the outer peripheral surface of the metal conduit tube, the insulative coveri... | 12/27/1988 |
| 4794340 | Synchrotron-type accelerator with rod-shaped damping antenna A synchrotron-type accelerator of the invention has a torus-shaped beam duct and an acceleration section inserted in the beam duct. The acceleraton section has an accelerating cavity communicating with the interior of the beam duct. An RF electric field i... | 12/27/1988 |
| 4794624 | Method for clock synchronization of a signal receiver In a method for clock synchronization of a signal receiver, the demodulated received signal is sampled in each of the subintervals over N time windows having in each case K subintervals (1A . . . 4C). In each case, the dispersion is calculated for the sam... | 12/27/1988 |
| 4793872 | III-V Compound heteroepitaxial 3-D semiconductor structures utilizing superlattices A component of semiconductor material deposited by epitaxial growth on a substrate having a predetermined and different lattice parameter consists of an alternate succession of layers of a first type and layers of a second type deposited on the substrate.... | 12/27/1988 |
| 4794463 | Ink jet system In an ink jet system, first and second main electrodes are arranged on an insulating substrate board so as to be extended to one side of the board and connected to first and second auxiliary electrodes through photoconductive sections, respectively. An in... | 12/27/1988 |
| 4792754 | Device for production of a tachometry signal of infinite resolution and without ripple from an inductive position sensor A device for the production of a tachometry signal of infinite resolution and without ripple from an inductive position sensor. The sensor is fed by a sinusoidal reference signal and supplies two phase signals. A resistance-capacitance circuit tuned to th... | 12/20/1988 |
| 4792210 | Active matrix display screen with transistor sources connected to adjacent addressing lines and processes for making this screen Active matrix display screen and processes for making it. The sources of transistors Tij controlling the display points belonging to a line Li are connected to the following line Li+1 by a resistive strip Bij and a conductive bridge Kij. If a transistor i... | 12/20/1988 |
| 4792296 | Scroll compressor with pressure-equalizing passage and gas vent conduit in main shaft A scroll compressor is provided with a main shaft to drive an orbiting scroll whereby fluid in a compression chamber which is formed by combining a stationary scroll with the orbiting scroll is compressed and then is discharged from the scroll compressor.... | 12/20/1988 |
| 4792739 | High-accuracy position detection apparatus A high-accuracy position detection apparatus comprises a position detector for detecting a position signal indicating the rotation position of a motor; a coupler for coupling the motor to the position detector with a certain eccentricity; a coupling eccen... | 12/20/1988 |
| 4792773 | Ultra high frequency circuit with low parasite capacities An ultra high frequency circuit constructed in hybrid or integrated form whose parasite capacities are greatly reduced. The ultra high frequency circuit has, besides the components, at least one component fixing metallization and at least one microstrip f... | 12/20/1988 |
| 4792769 | Microwave oscillator integrated in a waveguide A microwave oscillator integrated in a waveguide includes a negative-resistance diode encapsulated in a capped micromodule, a capacitor fixed on the cap, a resonator fixed on the capacitor and a metallic strip fixed on the capacitor and on a grounding stu... | 12/20/1988 |
| 4792840 | Resistor integrated on a semiconductor substrate The invention provides a resistor integrated on a semiconductor substrate and capable of withstanding high voltages. The integrated resistor is formed by a well of the opposite conductivity type relative to that of the substrate and is in the form of a ri... | 12/20/1988 |
| 4792825 | Rotary developing device for image-forming apparatus A rotary developing device installed in a copier, printer and other image-forming apparatuses for developing a latent image which is electrostatically formed on an image carrier. A developing unit has at least one developing section therein and is rotatab... | 12/20/1988 |
| 4791441 | Multi-focus camera A two-focus camera in which a short focal-distance lens system is constituted by only a main lens when the main lens is set at a first position on an optical axis and a converter lens is set at a second position out of the optical axis, and a longer focal... | 12/13/1988 |
| 4791375 | Apparatus for detecting degradation of an arrester An apparatus for detecting degradation of a grounded arrester, including a wave conversion circuit for producing an output signal corresponding to the total leakage current flowing through the arrester, and a phase shifter circuit coupled to the output si... | 12/13/1988 |
| 4791514 | Magnetic recording device with rotating head The magnetic recording device with rotating head according to the invention comprises a magnetic recording medium, a cylindrical and rotating head, a fixed magnetic excitation circuit; the head comprising, on its surface, two movable pole pieces separated... | 12/13/1988 |
| 4791451 | Copying apparatus having automatic document feeder A copying apparatus includes an automatic document feeder, a document size detecting part provided on the automatic document feeder for detecting a size of a document, a contact glass on which the document is set automatically by the automatic document fe... | 12/13/1988 |
| 4789937 | Method and system for shift control of an automatic transmission A shift control of an automatic transmission including a first transmission section and a second transmission section, which are capable of shifting automatically and independently of each other, and the first transmission section and the second transmiss... | 12/06/1988 |
| 4789942 | Installation for manufacturing differing mineral fibre products including manual controls for varying stored control signals An installation for the continuous manufacture of differing mineral fiber products, wherein control parameters associated with each fiber product to be manufactured are changed when the production line is to be changed from the production of one product t... | 12/06/1988 |
| 4789228 | Electrically controlled optical switching device The present invention concerns a device where the commutation of a luminous beam is ensured by the electrically controlled presence or absence, on the path of the beam, of a fluid causing said beam to be transmitted or reflected. The invention provides fo... | 12/06/1988 |
| 4788644 | Method for controlling an acceleration slip of a vehicle An acceleration slip control method quickly terminate an acceleration slip control when it is no longer necessary. A quick detection of the termination adopts, as terminating conditions, a preset time duration of reduction of drive wheel brake force and r... | 11/29/1988 |
| 4787394 | Ultrasound therapy apparatus An ultrasound therapy apparatus having an applicator. The applicator comprises at least one ultrasonic beam emitter, at least two ultrasonic transducers, and a support member. The beam emitter emits an ultrasonic beam onto an object within a patient, for ... | 11/29/1988 |
| 4788501 | Method for calibrating a radiofrequency excitation in NMR experimentation Size variation of samples subjected to NMR examinations entails the need for calibration of the radiofrequency excitation which gives rise to the resonance phenomenon measured during experiments. Determination of the most suitable value of the radio-frequ... | 11/29/1988 |
| 4787038 | Machine translation system In a machine translation system, a translated-sentence possibility corresponding to an input original sentence is obtained by a translation processing section with reference to a dictionary, and is displayed to be divided by a division display control sec... | 11/22/1988 |
| 4786361 | Dry etching process A process is disclosed which etches a workpiece, with an etching mask of a predetermined pattern formed on the surface of the workpiece, on an apparatus which includes a container for holding first and second electrodes opposite to each other and a magnet... | 11/22/1988 |
| 4785923 | Slippage control system for lock up clutch assembly for fluid coupling, providing non-electronic mechanical/hydraulic slippage control A slip control system for a lock up clutch incorporated in parallel with a fluid torque converter in a transmission, including a pump incorporated in a hub member for supporting a turbine of the torque converter from an output shaft of the transmission so... | 11/22/1988 |
| 4786991 | Magnetic recording/reproduction apparatus A magnetic recording/reproducing apparatus for recording data by using remanent magnetization perpendicular to a magnetic layer surface of a magnetic recording medium has an erase head for erasing the data from the recording medium in front of a recording... | 11/22/1988 |
| 4785208 | Low-inductance anode-cathode R-C circuit for a gate-turn-off power thyristor A low-inductance anode-cathode R-C circuit for a gate-turn-off power thyristor, including circuit diodes, capacitors and line connections for connecting the R-C circuit to a power thyristor. By reducing the spray inductances of circuit diodes, capacitors ... | 11/15/1988 |
| 4784289 | Ticket issuing device for a ticket machine A ticket issuing device for a ticket machine according to the present invention comprises a holding plate for receiving thereon tickets fed one by one from a data writing station by a feeding mechanism and for temporarily holding the tickets in a layered ... | 11/15/1988 |
| 4784018 | Belt type continuously variable transmission system A belt type continuously variable transmission system which includes: a fluid coupling device for transmitting an output from an engine by use of fluid; a belt type continuously variable transmission device for transmitting an output from the fluid coupli... | 11/15/1988 |