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Patent # Description
US-4,678,952 Sealed joint for a robot and the like
A sealed joint having two adjacent, axially aligned sleeves separated by a rotating seal, one joint being movable with respect to the other. The joints contain a...
US-4,678,951 Linear motor
A linear motor driving a carriage used in a magnetic memory. The motor includes a rotor portion having a hollow sleeve like member extending outwardly from the...
US-4,678,950 Output circuit having an improved protecting circuit
An output circuit which has an improved protection circuit against an abnormal voltage applied to an output terminal. The output circuit is of the type having...
US-4,678,949 Synchronism detector circuit
A synchronism detector circuit wherein it is arranged so that two a.c. voltages the synchronism of which is to be determined are converted, respectively, into...
US-4,678,948 Measuring device error monitoring system
A system for error monitoring in a photoelectric incremental length measuring device for the measurement of the relative position of two objects is described....
US-4,678,947 Simulated transistor/diode
A circuit capable of simulating a transistor or a semiconductor diode with controllably adjusted voltage characteristics contains a main transistor (Q0). An...
US-4,678,946 Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated
A function generator which has a plurality of operational amplifiers and a reference voltage generator circuit for applying a different reference voltage to the...
US-4,678,945 Unidirectional single-flux-quantum logic circuit
A superconducting logic circuit has a first and a second one-junction SQUID's (superconducting quantum interference device) connected by a superconducting...
US-4,678,944 Circuit for improving performance of an ECL-to-TTL translator
A logic level translator having a fast rising edge at its output for converting ECL logic levels into TTL logic levels includes a switching transistor having its...
US-4,678,943 Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced...
A switching circuit comprises a pre-stage circuit coupled to receive an input signal and an output stage, wherein an output signal having a phase opposite to...
US-4,678,942 Emitter coupled logic circuit with high drivability for capacitive load
An ECL (Emitter Coupled Logic) circuit is provided which has an increased ability to drive a large capacitive load or to drive a large fan-out circuit, wherein...
US-4,678,941 Boost word-line clock and decoder-driver circuits in semiconductor memories
A CMOS boost word-line clock and decoder-driver circuit which can be used for CMOS DRAM's with substrate bias in addition to VDD supply. A boost word-line clock...
US-4,678,940 TTL compatible merged bipolar/CMOS output buffer circuits
Output buffer circuits formed of merged bipolar transistor and CMOS transistors to produce either two output states or three output states includes a plurality...
US-4,678,939 Output circuit for signal transmission systems
In an output circuit for a signal transmission system to generate a bipolar output signal, a power output stage (62) is driven by a data signal and a transmitter...
US-4,678,938 Solid-state image sensing apparatus having an automatic control loop
A solid-state image sensing apparatus employs normally-ON type static induction transistors to constitute picture elements. Some of the picture elements are...
US-4,678,937 Electrical isolation circuit
A circuit provides electrical isolation from an input signal which has a leading edge and a trailing edge. On the leading edge of the input signal, a first...
US-4,678,936 MOS-cascoded bipolar current sources in non-epitaxial structure
A 16-bit D/A converter formed on a single monolithic chip and having two cascaded stages each including a 256-R resistor string DAC. The analog output voltage of...
US-4,678,935 Inner bias circuit for generating ECL bias voltages from a single common bias voltage reference
An integrated circuit device having a simplified bias supply circuit for supplying bias power sources for a plurality of circuit units or cell units. The...
US-4,678,934 Flip-flop circuit
A flip-flop circuit has a power terminal set at 5 V, first and second output terminals, a latch section for charging one of the first and second terminals to 5 V...
US-4,678,933 Solid state relay for aerospace applications
A solid state relay for aerospace applications utilize a transistor circuit for selectively short-circuiting and open-circuiting a secondary winding of a current...
US-4,678,932 Snubber circuit for GTO thyristor
A snubber circuit for a GTO thyristor including a series-connected member of a capacitor and a diode connected in parallel with a GTO thyristor and a...
US-4,678,931 Armature winding for large turbine generator
A multi-layer armature winding for large turbine generator is wound with individual diamond coils around to the point where the sides of initially wound diamond...
US-4,678,930 Microwave oven timer
A programmer timer for an appliance, such as microwave cooking oven, having a magnetron power switch positioned by a control selectively moved to one of three...
US-4,678,929 Radio frequency switch
In a radio frequency switch, a pair of diodes is coupled in series with polarities opposed between input and output ports. A shunt diode is coupled between the...
US-4,678,928 Controller for automatically effecting disengagement of buckle device
A controller for automatically effecting disengagement of a buckle device includes a moving means which moves a lock plate engaged with a tongue plate. When a...
US-4,678,927 Circuit arrangement for large power transformers
A circuit arrangement for large power transformers with a low-voltage winding, a main high-voltage winding and a step winding as well as a step switching device...
US-4,678,926 Christmas tree lighting control
This invention relates generally to ornamental lighting controls and particularly to a lighting control for Christmas tree lighting having preferably at least...
US-4,678,925 Dashboard lighting adjustment for a motor vehicle
An electrical switching system for adjusting the brightness of the dashboard lights of a motor vehicle includes a switch provided with a switch lever, for...
US-4,678,924 Method of setting a stop means inside of a tubular element
Fuel and fertile rod for a nuclear reactor. It comprises a can, a column of fissile and/or fertile pellets within the can and end plugs welded to the two ends of...
US-4,678,923 Windmill
A windmill for generating electricity in which each blade of the air-screw is connected to the hub by means of at least two resilient strips which are oppositely...
US-4,678,922 Air motor having integral generator
A tool driven by air or some other non-conductive pressurized fluid, which tool incorporates a generator for powering a lamp and providing a good source of light...
US-4,678,921 Photo-electric smoke detector with light shielding electrode
In a photo-electric smoke detector device, a first photo-detector receives the light emitted from a light emitter and scattered by smoke, and a second...
US-4,678,920 Machine vision method and apparatus
A first linear sensor tracks the movement of an object through an inspection station and a second linear sensor views the object transverse to the object path to...
US-4,678,919 Electron beam exposure method and apparatus
An electron beam exposure system for producing a desired pattern on a workpiece. The pattern is specified by predetermined pattern data. The pattern data is...
US-4,678,918 Integrated radiation detector
An integrated radiation detector comprises a number of electrode plates assembled at a mutual distance. The electrode plates comprise slots in which electrically...
US-4,678,917 Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus
A beam of radiation is directed into a liquid sample cell containing a sample to be analyzed in solution. The illumination emanating from the sample cell as a...
US-4,678,916 Dosimeter
The invention is a radiation dosimeter and method of operation of its elements comprising a pair of silicon insulated gate field effect transistors integrated...
US-4,678,915 System and process for measuring and correcting the values of a parameter of a sheet material
A system for measuring the values of a parameter of a sheet of material is provided. The system includes a head system with sensors mounted therein and a...
US-4,678,914 Digital IR gas analyzer
A digital IR gas analyzer comprises a sample cell having a conical shaped interior wall and a filter wheel provided with HC, CO and CO2 interference filters. The...
US-4,678,913 Method and apparatus for analyzing the nature of a sample
A method and apparatus for analyzing the absorption spectra of a minute sample. The sample is placed in a hollow enclosure which is sealed after a suitable...
US-4,678,912 Apparatus for positioning an external radioactive standard in a liquid scintillation counter
In a liquid scintillation counter, a standard radioactive source is supported in a bead position of a bead chain, flexible conveyor. The conveyor is guided for...
US-4,678,911 Method of collecting and processing spectral data for the earth's surface
A method of collecting and processing spectral data obtained from the earth's surface is employed to identify areas where hydrocarbon seepage to the surface is...
US-4,678,910 Reference position-detecting device for photoelectric encoder
A reference position-detecting device for use with a photoelectric, incremental encoder which produces a sinusoidal signal in response to the movement of an...
US-4,678,909 Optical pressure sensing apparatus
Optical pressure sensing apparatus comprises an optical fibre interferometer arranged to sense the movement of a pressure responsive element and produce an...
US-4,678,908 Zero reference generating method and apparatus for optical encoders
An encoder for providing positional information about a moveable member comprising code member means couplable to the moveable member for movement with the...
US-4,678,907 Optical scanner and sensor for monitoring power consumption
An optical scanner/pulse iniator used for deriving power consumption data from a power meter has a pair of light sources modulated by a square wave having a...
US-4,678,906 Device for transmitting through an optical coupling data issuing from a steering wheel to an element mounted on...
This device for transmitting data, coming from a plurality of control elements (8 to 11) mounted on a steering wheel of a motor vehicle, to a system recognizing...
US-4,678,905 Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements
To detect a physical parameter such as pressure, temperature, acceleration or force, the physical parameter is allowed to influence the movement of a light...
US-4,678,904 Optical measuring device using a spectral modulation sensor having an optically resonant structure
The invention relates to optical devices for sensing and measuring various physical parameters. More particularly, this invention relates to an optical device...
US-4,678,903 Self aligning fiber optic microbend sensor
A self aligning microbend sensor comprises a tubular housing having internal threads, an expandable insert with external threads loosely threaded into the...
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