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| Number | Title | Issue Date |
| 4553179 | Automatic recording bias current setting apparatus An automatic recording bias current setting apparatus comprises a bias current generating circuit for generating a bias current with varied level of the bias current, a testing signal generating circuit for generating two kinds of testing signals having d... | 11/12/1985 |
| 4530891 | Photo-mask blank for use in lithography including a modified chromium compound In a photo-mask blank, a transparent substrate is covered with a shading layer including chromium and chromium carbide. On the shading layer is an antireflection layer which includes chromium and chromium nitride. The shading and the antireflection layers... | 07/23/1985 |
| 4528482 | Control of energy to fluorescent lighting A method and apparatus for reducing the energy consumption of fluorescent lighting energized by an alternating voltage source comprising sensing for a particular amplitude of the alternating voltage and upon sensing such voltage amplitude establishing a g... | 07/09/1985 |
| 4526521 | Rotary spiral wall pump with pivotably connected guide means and associated method A positive displacement rotary pump based on the spiral principle in which the piston is given a complex orbital motion by a crankshaft drive, the piston being also pivoted to a second guide element, this pivot point reciprocating along an open path. The ... | 07/02/1985 |
| 4526426 | Anti-lock braking system and associated method An anti-lock braking system for a four-wheel vehicle having a pair of left and right front wheels and a pair of left and right rear wheels in which one pair of wheels carries a greater load than the other, the system comprising a first braking pressure re... | 07/02/1985 |
| 4526365 | Exercising device suitable for physical therapy and the like An exercising device, especially for physical therapy, is formed of two planar members connected at an angle and sandwiching therebetween a sponge member of angular conformation to constitute a compressible structure. The sponge member is replaceable to p... | 07/02/1985 |
| 4526208 | Tile-lined pipe with subdivided tiles therein and methods of production thereof A tile-lined pipe and its method of manufacture comprising a tubular pipe member having a layer of tile elements on the inner surface to form a lining therefor. The tile elements extend one after another along helical lines and are formed by subdividing l... | 07/02/1985 |
| 4526089 | Vacuum booster device A vacuum booster device which comprises a booster shell; a booster piston axially slidably accommodated in the booster shell and having a central boss portion and a disc portion around the outer circumference of the boss portion; and a diaphragm superpose... | 07/02/1985 |
| 4524422 | Digital equalizer capable of varying the center frequency, quality factor, and gain to perform various frequency characteristics A digital filter having a band-pass filter characteristic or a band-elimination characteristic is constructed by a designing procedure comprising a step in which a function H(z) is obtained from a Z-transform of a bi-quad transfer function H(s) in a Lapla... | 06/18/1985 |
| 4522358 | Method and apparatus for the displacement of two thrust reversers of jet engines of an aircraft in synchronism during the thrust reversal phase A system for the displacement of two thrust reversers for two jet engines of an airplane. Each thrust reverser has a drive motor operated by compressed air, a valve controlling the flow of compressed air to the motor, a set-point indicator including an in... | 06/11/1985 |
| 4522025 | Apparatus for controlling load distribution and speed of gas speed of gas turbine systems and particularly of gas turbine engines A device for controlling the load distribution and speed of gas turbine systems and particularly gas turbine engines comprising for each engine a fuel control unit having a proportionally acting speed governor and a master speed governor for a common outp... | 06/11/1985 |
| 4520473 | Signal pickup device in a rotary recording medium reproducing apparatus A signal pickup device in a rotary recording medium reproducing apparatus comprises a turntable placed thereon with a rotary recording medium recorded with an information signal as variations in geometrical configuration, for rotating the rotary recording... | 05/28/1985 |
| 4520394 | Horizontal scanning frequency multiplying circuit A horizontal scanning frequency multiplying circuit comprises a flip-flop supplied with an input horizontal synchronizing signal having a horizontal scanning frequency fH of a television signal, a phase-locked-loop (PLL) for producing a signal ... | 05/28/1985 |
| 4514668 | D.C. Motor driving circuit A D.C. motor driving circuit comprises a first transistor circuit comprising an initial stage transistor and a terminal stage transistor respectively connected in Darlington pairs, for supplying a current to a D.C. motor, coupled between the D.C. motor an... | 04/30/1985 |
| 4512719 | Hot gas wetted turbine blade A turbine blade adapted for use with hot gases comprising a radially inward portion of metal including a core projecting radially outwards on which is supported a ceramic portion of airfoil section enclosing the core. The inner end of the ceramic portion ... | 04/23/1985 |
| 4511612 | Multiple-layer wall for a hollow body and method for manufacturing same A multiple-layer wall is provided for a hollow body to sustain high thermal and mechanical loads and to afford adequate thermal insulation. The wall has, on the inside, a heat and/or wear resistant ceramic inner layer and, surrounding it, a preferably pre... | 04/16/1985 |
| 4511161 | Identification and control apparatus, for example, for service personnel for a restaurant A method and apparatus for dividing the working space of a restaurant into selected stations and for assigning service personnel to these stations comprising identification elements each associated with a respective subject and adapted for being magnetica... | 04/16/1985 |
| 4511082 | Fuel-injection systems and associated methods A fuel-injection valve comprises an electromagnetically actuated armature attached to the needle-like stem of a valve head. In order to promote control of fuel flow under varying conditions the valve opens by moving the valve head downstream from its valv... | 04/16/1985 |
| 4508955 | Electrode for the TIG welding process An electrode suitable for the TIG welding process, in which the welding arc produced by contact-less ignition between the tip of the electrode and the workpiece burns within an inert gas atmosphere and the application of the weld material is effected by a... | 04/02/1985 |
| 4507532 | Wire-cut electric discharge machine A wire-cut electric discharge machine having an improved nozzle system for supplying working fluid into a working gap between a workpiece and wire electrode. The improved nozzle system comprises a working fluid nozzle coaxial with the wire electrode and a... | 03/26/1985 |
| 4506442 | Method and apparatus for stacking a plurality of laminate layers to form a composite board Apparatus for stacking a plurality of laminate layers in registered superposed relation to enable the layers to be joined to form a composite board comprising a table having a surface on which a plurality of laminate layers can be successively stacked in ... | 03/26/1985 |
| 4503840 | Solar energy and venting systems A solar system with a thin film absorber envelope, so constructed and arranged as to have a peristaltic type action in the direction of flow of fluid passing therethrough whereby to cause bubbles in the fluid to be flushed out of the envelope. The absorbe... | 03/12/1985 |
| 4504960 | Data reading apparatus for data transmission A data reading apparatus for data transmission, for reading digital data from a digital signal series obtained by comparing the level of an incoming transmission signal obtained through a transmission path with a reference level at a detector, comprises a... | 03/12/1985 |
| 4499730 | Automotive tandem type master cylinder An automotive tandem type master cylinder comprising a cylinder body mounted in a frontwardly upwardly inclined manner for increasing the effective engine room space under the cylinder body, and an oil reservoir disposed at rearward, or lower position on ... | 02/19/1985 |
| 4500478 | Supporting apparatus for carburetor controlling cam plate A carburetor includes a choke valve and a throttle valve, a controlling prime mover and a driving shaft rotated by the prime mover. First and second cam plates are provided for controlling the opening of the choke valve. A third cam plate is provided for ... | 02/19/1985 |
| 4500477 | Sliding throttle valve type carburetor A sliding throttle valve type carburetor comprising a sliding throttle valve, an air intake passage and a fuel float chamber, the sliding throttle valve extending along a line of intersection with the intake passage and being disposed at an acute angle re... | 02/19/1985 |
| 4499077 | Anti-microbial compositions and associated methods for preparing the same and for the disinfecting of various objects An anti-microbial composition is provided comprising an aqueous solution of an oxyhalogen compound and a polymeric germicide. The oxyhalogen compound is preferably stabilized chlorine dioxide and the polymeric germicide is preferably a quaternary ammonium... | 02/12/1985 |
| 4498270 | Support for positioning reinforcing rods or mesh in concrete or the like A support is provided for reinforcing rods or mesh. The support includes a plate of substantially planar construction. A cruciform structure is provided beneath and supporting the plate. The cruciform structure includes a plurality of legs and tips depend... | 02/12/1985 |
| 4498219 | Method of constructing a fiber-reinforced piston for internal combustion engines A fiber-reinforced piston for internal combustion engines, comprising a molded body of inorganic fiber forming a top land and a ring region of the piston. The molded body has a content of granulated fiber having larger particles of a particle diameter les... | 02/12/1985 |
| 4494941 | Constant velocity universal joint A constant velocity universal joint comprising an outer member having an inner spherical surface and an inner member fitted in the outer member and having an outer spherical surface facing the inner spherical surface of the outer member. The inner and out... | 01/22/1985 |
| 4492917 | Display device for displaying audio signal levels and characters A level display device for audio signal comprises a plurality of bandpass filters having filtering bands of respectively different center frequencies, for band-dividing and filtering an input signal supplied thereto through an input terminal, a level indi... | 01/08/1985 |
| 4492029 | Inclinometer An inclinometer comprising a sector weight pivotally supported on a main body which may become inclined, the weight being relatively rotatable with respect to the main body and constantly hanging vertically due to gravity regardless of an inclination of t... | 01/08/1985 |
| 4493072 | Turntable device having rotary recording medium size changeover capability in a rotary recording medium reproducing apparatus A turntable device having rotary recording medium size changeover capability in a rotary recording medium reproducing apparatus, comprising a turntable driven in rotation by a rotation driving source, a turntable sheet carried on the turntable for carryin... | 01/08/1985 |
| 4492309 | Multiple-objects support rack Apparatus is provided for temporarily supporting objects such as toothbrushes. The apparatus includes an anchor part which may be affixed to a supporting structure such as a wall. A detachable section is detachably coupled to the anchor part and is in the... | 01/08/1985 |
| 4491366 | Multi-positional chair A new and improved chair is presented. In one embodiment the chair has a base, each side of the base having a front guide member and a rear guide member operably connected thereto. Each side of the seat portion of the chair has one end of a front roller p... | 01/01/1985 |
| 4489398 | Address indicator control device in a rotary recording medium reproducing apparatus An address indicator control device in a rotary recording medium reproducing apparatus having a reproducing transducer for reproducing a rotary recording medium recorded with at least two kinds of address signals together with an information signal, a cir... | 12/18/1984 |
| 4489353 | Maximum output level automatic measuring apparatus A maximum output level automatic measuring apparatus comprises a testing signal generating circuit for generating a plurality of testing signals having different frequencies, by independently varying respective levels of the testing signals, a recording a... | 12/18/1984 |
| 4484969 | Method of winding tile-lined piped with subdivided tiles therein A tile-lined pipe and its method of manufacture comprising a tubular pipe member having a layer of tile elements on the inner surface to form a lining therefor. The tile elements extend one after another along helical lines and are formed by subdividing l... | 11/27/1984 |
| 4485149 | Highly temperature-resistant, wear-resistant workpieces and method for their manufacture A workpiece of a highly heat-resistant steel containing nickel or of a nickel-base alloy is provided with a hard coating containing titanium. An intermediate layer of an intermetallic phase Ni3 Ti intervenes between the core material and the ha... | 11/27/1984 |
| 4481095 | Apparatus for supplying a working fluid and a wire electrode to a work portion of a wire-cut electrical discharge machine Apparatus for supplying a working fluid and a wire electrode to a wire region of a wire-cut electrical discharge machine comprising a housing supported by a support member and having opposed aligned openings through which a wire electrode is passed into o... | 11/06/1984 |
