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Patent # Description
US-4,905,019 Pressurized fluid printer arrangement having transient fluid pressure drop buffering means
Device for printers using pressurized fluid medium for recording characters on an information carrier. The device is formed with at least one buffer chamber...
US-4,905,018 Ink jet printing head and industrial plotter which is equipped with it
Ink jet printing head and replacement of bevel sticks in industrial tracers by an ink jet printing head provided with a set of deflection plates (3, 4, 5) so...
US-4,905,017 Laminated liquid-jetting head capable of recording in a plurality of colors, a method of producing the head and...
A method of producing a liquid-jetting head capable of recording in a plurality of colors comprises the steps of providing a base member having a plurality of...
US-4,905,016 Recorder with a pencil pen and method therefor
A recorder with a pencil pen which contains a plurality of pencil leads therein comprises means for causing a lead chuck mechanism of the pencil lead to hold and...
US-4,905,015 Apparatus and method for generating a variable line width
The invention is a method and a plotter for automated drawing and writing that provides a drawn line of variable width, where the width is independent of the...
US-4,905,014 Microwave phasing structures for electromagnetically emulating reflective surfaces and focusing elements of...
The present invention concerns an electrically thin microwave phasing structure for electromagnetically emulating a desired reflective surface of selected...
US-4,905,013 Fin-line horn antenna
A fin line circuit card containing a fin line slot feeds a dipole antenna ich extends a quarterwave outside the waveguide and provides an energy beam focal point...
US-4,905,012 Power efficient feed network for TACAN antenna arrays
An antenna feed for a TACAN circular array. A power divider divides a source of radio frequency signals into zero, first and ninth order mode signals. A second...
US-4,905,011 Concentric ring antenna
A multi-element antenna formed of symmetrical paired elements symmetrically positioned in a concentric arrangement. The proximate ends of the elements are...
US-4,905,010 Method for balancing channels in a multichannel pulse radar system and a radar system using this method
Radar systems that operate in accordance with the crossfeed method require an exact balancing of the individual Doppler frequency evaluation channels in the...
US-4,905,009 Distance measuring device
A distance measuring device transmits a continuous alternating wave from a wave source to a target which reflects it back toward the device. The wave source is...
US-4,905,008 Radar type underground searching apparatus
This radar type underground searching apparatus is a system for detecting the presence and location of buried objects such as gas pipes buried in the ground....
US-4,905,007 Character input/output device
A character input device for a computer comprised of a plurality of switches or threshold zones adapted to be activated by a disk movable with the tip of a pen...
US-4,905,006 Digital-to-analog converter
A digital-to-analog converter for converting a digital signal having a word length n into an analog signal comprises a series arrangement of at least two...
US-4,905,005 Logarithmic converters and their application to the measurement of transmitted light
The object of the present invention is the improvement of logarithmic amplifiers and/or converters and the applications of such devices in particular to...
US-4,905,004 Cycle-portion encoder
A cycle-portion encoder, an electronic circuit to dynamically measure the period of a variable electrical input signal and generate an output signal at a...
US-4,905,003 Analog/digital data storage system
An analog to digital data storage system includes receiver means for receiving an incoming signal carrying an analog component from a suitable transmitter. The...
US-4,905,002 Delta modulation encoder/decoder method and system
A method and a system for compressing a delta modulation coded bit string by logically adding together, in mod 2 fashion, adjacent string bits to generate a...
US-4,905,001 Hand-held finger movement actuated communication devices and systems employing such devices
Disclosed are various forms of hand-held communication devices which serve as alternatives to a keyboard and which, in addition, allow the user to receive...
US-4,905,000 Reactive windshear warning instrument
An instrument (10) is disclosed for an aircraft having a windshear warning system to vary the threshold alarm setting as a function of a thermodynamic property...
US-4,904,999 Fault monitoring system for aircraft power control units
A monitoring system for detecting a fault condition in any one of multiple power control actuator units used for positioning an aircraft's control surface...
US-4,904,998 Lighting peg with variable pulsation rate
In a lighting peg with a variable pulsation rate including a square outer casing provided with a solar cell and a battery and adapted to be installed at an...
US-4,904,997 Belted electronic display clinical thermometer with alarm
A combined alarm and display belted clinical thermometer being wound on an arm of a user which comprises a thermal sensor to sense the temperature of the user....
US-4,904,996 Line-mounted, movable, power line monitoring system
A mobile system for monitoring electrical, physical and/or environmental parameters and conditions associated with or in proximity to an energized electrical...
US-4,904,995 Integrated remote electricity meter transponder and combination
A remote transponder unit is secured to the front of an electricity meter which, in turn, is electrically connected to an electric distribution system. The...
US-4,904,994 Apparatus and method for identifying next matrices for vector drawing
A system to convert vector data to pixel data for drawing a vector on display screen that is divided into groups of pixels (matrices) having selected numbers of...
US-4,904,993 Remote control apparatus with selectable RF and optical signal transmission
A communication apparatus for a remote control apparatus, for example, in order to lock or unlock doors or a trunk of a vehicle selects a radio signal or optical...
US-4,904,992 Radio with message reception and ambient noise level controlled indicator
A radio (10) measures and stores (16, 18) the ambient sound (or noise) level of its environment. When a message is received, the current noise (or sound) level...
US-4,904,991 Display unit subject to ambient light having light-reflective and light-emitting display elements
A display unit has a transparent front panel one surface of which carries reflective markings that are illuminated by internal reflection in the panel from...
US-4,904,990 Display control device
A CRT (cathode ray tube) controller for controlling one CRT device in an interlace mode has a synchronizing circuit of bi-directional construction, in order to...
US-4,904,989 Display device
In a display device having, at least, picture elements which are arrayed on a transparent insulating substrate, and transistor portions which are formed of a...
US-4,904,988 Toy with a smoke detector
A toy that is equipped with a smoke detector that would be extremely portable and thus provide fire and smoke protection wherever you had the toy. The smoke...
US-4,904,987 Air sampling and alarm control system
An air sampling and alarm control system for detecting the presence of a toxic contaminant in the atmosphere and for providing an audible alarm when insufficient...
US-4,904,986 IR flame amplifier
A flame detector, for use with a photocell which produces a flame signal when the photocell is exposed to a flame, is used for detecting the presence of a flame....
US-4,904,985 Mole detector apparatus
A framework is positioned overlying a mole burrow or passageway and supports a pivotally mounted, non-conductive plate carrying a conductor to complete a circuit...
US-4,904,984 Combination lock with an additional security lock
A combination lock is provided with an additional security lock wherein an electrically operable solenoid, having an armature post normally biased outwardly of a...
US-4,904,983 Alarm system
An alarm system for e.g. vehicles has an alarm condition detector, an auto-dialing mechanism activated by the detector and a radio telephone connected by the...
US-4,904,982 Visual and audible warning device
A visual and audible warning device has a piezoelectric element operable to cause vibrations which are transmitted through a light transmitting member, and a...
US-4,904,981 Multifunctional basketball game monitoring unit
A multifunctional basketball monitoring unit that allows visual display and print out of a total baskets made score and the percentage of total baskets made of...
US-4,904,980 Refractory resistors with etch stop for superconductor integrated circuits
This is a structure of, and method for preparation of, molybdenum resistors in a superconductor integrated circuit. It utilizes a pattern superconductor film;...
US-4,904,979 Component assembly for electrical part
A component assembly, for constituting an electrical part such a volume unit, having a pair of appropriate components, such as those approximate to each other in...
US-4,904,978 Mechanical sensor for high temperature environments
A force or pressure sensor includes a monocrystalline silicon diaphragm coated with silicon dioxide upon which single crystalline silicon resistors are fused in...
US-4,904,977 Supersonic expulsion fuse
This invention provides a supersonic expulsion fuse for interrupting fault currents in high voltage alternating current networks. It creates an arc interruption...
US-4,904,976 Combination plug
A combination plug including an outer housing, an inner housing slidably insertable into the outer housing, a fuse assembly retained within the inner housing,...
US-4,904,975 Coil Former for a high-voltge transformer
Axially adjacently arranged winding chambers (3, 4, 5) for high-voltage coil sections are separated from one another on a central hollow body (9) by flanges (10,...
US-4,904,974 Connecting structure of coil in electromagnetic relay
According to the invention, a pair of pockets (13) are formed in one flange (12). A pair of almost L-shaped connecting terminals (14) are fitted into the pocket...
US-4,904,973 Foil-roll electronic part
A foil-roll electronic part and a process of producing the same. The part produced in this process includes: a lead frame having a plurality of leads; at least a...
US-4,904,972 Gas-insulated stationary induction electrical apparatus
A gas-insulated stationary induction electrical apparatus comprising a first closed vessel sealingly accommodating therein a main body having an iron core formed...
US-4,904,971 Superconductive electromagnet
A superconducting electromagnet comprising an outer core having an aperture; an inner core having a periphery characterized for complementary insertion into the...
US-4,904,970 Superconductive switch
A superconducting switch is bifilarly wound with two cupro-nickel matrix superconductors. Three layers of the wire is wound, with each layer of windings wrapped...
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