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| Patent # | Description |
|---|---|
| US-4,498,098 |
Apparatus for combining a video signal with graphics and text from a
computer Apparatus for combining video signals from a video source, such as a video disc player, with computer-generated graphics/text output on a single display, for... |
| US-4,498,097 |
Color television signal producing device capable of compensating the
color signal Disclosed is a color television signal producing device in which the color signal is subject to compensation by controlling the amplitude and/or the phase of the... |
| US-4,498,096 |
Button rectifier package for non-planar die An axial lead semiconductor device package is provided for use with non-planar semiconductor die. By using solders of predetermined strength, wetting and flow... |
| US-4,498,095 |
Semiconductor structure with improved isolation between two layers of
polycrystalline silicon In a field effect device such as a charge coupled device or field effect transistor in which at least two levels of polycrystalline silicon conductors are used;... |
| US-4,498,094 |
Junction field effect transistor having a substantially quadratic
characteristic A substantially quadratic relationship between the channel current I.sub.DS and the gate voltage V.sub.GS is obtained over a substantial portion of the operating... |
| US-4,498,093 |
High-power III-V semiconductor device III-V semiconductor devices such as, e.g., MESFET, JFET, MOSFET, and IGFET devices are provided with relatively high-ohmic gates or wide gate finger widths as is... |
| US-4,498,092 |
Semiconductor photoelectric conversion device A semiconductor device is provided with at least first and second semiconductor regions having defined therebetween a junction. The first semiconductor region or... |
| US-4,498,091 |
Heat-sensitive recording sheet It has been found that phthalic acid monoester represented by the general formula: ##STR1## in which R is a saturated alkyl group of 4 to 20 carbon atoms ... |
| US-4,498,090 |
Electrostatic printing apparatus An electrostatic printing apparatus of the ion-flow type for printing an image on record paper in response to an information signal includes a corona generator... |
| US-4,498,089 |
Control system for ink jet printing element The control system is applied to an ink jet head in which the individual drops of ink are expelled from a container by way of a nozzle by the effect of... |
| US-4,498,088 |
Ink jet air bubble detection An air bubble detection system is provided for detecting air bubbles contained in an ink liquid disposed in a printer head of an ink jet system printer of the... |
| US-4,498,087 |
Apparatus for unfolding an antenna netting reflector An unfoldable antenna netting reflector includes a plurality of stiff ribs to which the reflector net is secured. These stiff ribs are pivoted to a central... |
| US-4,498,086 |
Broad band liquid loaded dipole antenna A broad band dipole antenna of short length is formed by two tubular linear radiators which are spaced apart at their adjacent inner ends. Each of the radiators... |
| US-4,498,085 |
Folded dipole radiating element A one-piece array antenna folded dipole radiating element is formed from a wide, thin conductor. This element is suitable for attachment to a microstrip or other... |
| US-4,498,084 |
Four wire dual mode spiral antenna A dual mode broadband antenna especially designed to provide an omni-directional low angle or high angle radiation pattern which is predominately horizontally... |
| US-4,498,083 |
Multiple interference null tracking array antenna Multiple interference sources are independently acquired, tracked and canled in a multi-element antenna array where the number of antenna elements n is an... |
| US-4,498,082 |
Method and apparatus for locating a discontinuity in a data transmission
ring A method and apparatus for locating a discontinuity in a data transmission ring which has a plurality of stations which randomly receive and transmit data along... |
| US-4,498,081 |
Display device for displaying both video and graphic or character images A display device in which display elements 21 are arranged in matrix form to provide a screen, and pictures, characters and animations can be displayed while... |
| US-4,498,080 |
Apparatus and method for topographic display of multichannel data In a system for displaying multichannel EEG data, data values received from a matrix of EEG electrodes are stored in a random access memory. Digital values to be... |
| US-4,498,079 |
Prioritized overlay of foreground objects line buffer system for a video
display system A priority ordered multiple video object display system is disclosed for use with a raster scan display having a plurality of display locations on a plurality of... |
| US-4,498,078 |
Sewing machine with a voice warning device A sewing machine aurally informs an operator of abnormal conditions which accidentally have taken, or are taking, place by means of a vocal indication. One group... |
| US-4,498,077 |
Annunciator An indicator is provided for each of a number of preselected conditions and is actuated in response to the occurrence of the corresponding condition. The... |
| US-4,498,076 |
Resonant tag and deactivator for use in an electronic security system A resonant tag circuit having at least one resonant frequency is operative in an electronic security system in which the tag circuit is sensed and electronically... |
| US-4,498,075 |
Fault indicator apparatus for a multi-zone intrusion system A fault indicator apparatus employs a single indicating device such as a light emitting diode (LED) to provide an indication of all zones within a plurality of... |
| US-4,498,074 |
Selectively testable fire detector A selectively testable fire detector comprises a fire detecting circuit supplied with a first voltage and which detects smoke and/or temperature, a self-holding... |
| US-4,498,073 |
Keyboard with simultaneous operations A keyboard in which, when one of the function keys is depressed simultaneously with one of the character keys, the signal generated by the depressed function key... |
| US-4,498,072 |
A/D Converter having a self-bias circuit A self-bias circuit is employed for automatically changing the reference voltage of a comparator of an A/D converter of successive approximation type. The... |
| US-4,498,071 |
High resistance film resistor An electrical resistor and method of making the same is disclosed wherein a ceramic substrate is coated with a relatively rough dielectric film which is... |
| US-4,498,070 |
Semi-conductor transducer and method of making the same An electrically isolated semi-conductor transducer and method of making the same wherein a unitary piece of silicon material having opposed flat surfaces is... |
| US-4,498,069 |
Electric switches actuated by bimetals for one or several temperatures
of response An electric switch or commutator actuated by bimetals for one or several temperatures of response comprises a cap support for one or several bimetallic disks of... |
| US-4,498,068 |
Magnetic arc extinguished fusible elements An electrical fuse wherein one or more portions of the fuse element are provided with two adjacent parallel weak spots separated by dielectric material or air... |
| US-4,498,067 |
Small-size inductor A small-size inductor for use in a wrist watch or a pocket size calculator includes a base member, a coil and a cap member. The base member is defined by a base... |
| US-4,498,066 |
Electromagnetic device An electromagnetic device includes an electromagnet having one electrical coil and an annular member of high permeability having a pair of radially spaced first... |
| US-4,498,065 |
Electromagnetic relay An auto-holding electromagnetic relay is described comprising a main yoke having perpendicular and horizontal parts at right angles to each other. An exciter... |
| US-4,498,064 |
Pushbutton tuner with staggered tuning coils A pushbutton tuner wherein tuning coils are disposed in two decks, upper and lower, and the upper or lower tuning coils are disposed in front of the others. A... |
| US-4,498,063 |
Switched capacitor filter having a reduced capacitance In a switched capacitor filter of a first-order responsive to a filter input signal for producing a filter output signal by carrying out sampling operation at a... |
| US-4,498,062 |
Waveguide structure for separating microwaves with mutually orthogonal
planes of polarization A waveguide structure carrying microwaves with two mutually orthogonal planes of polarization and in two different frequency bands, transmitted and received by... |
| US-4,498,061 |
Microwave receiving device A receiver for counterclockwise and clockwise circularly polarized microwave signals of the type comprising a receiving antenna with a feeder system, a... |
| US-4,498,060 |
Circuit arrangements for modifying dynamic range using series arranged
bi-linear circuits Circuit arrangements for cross-coupling series connected bi-linear compressors and expanders are disclosed including the coupling of signal path signal... |
| US-4,498,059 |
Circuit to minimize local clock frequency disturbances when phase
locking to a reference clock circuit A frequency disturbance minimization circuit for use in a phase locked loop circuit. A pulse generator eliminates random phase shift, which occurs after a... |
| US-4,498,058 |
Low input capacitance amplifier A first feedback loop to a regulator transistor within the drain circuit of the input field effect transistor (FET) serves to maintain the voltage across the... |
| US-4,498,057 |
Power amplifier with power supply switching A power amplifier with power supply switching is arranged so that large positive and negative power supply voltages are supplied to collectors of second and... |
| US-4,498,056 |
Signal amplifier and integral signal shunt attenuator In accordance with the present invention there is provided an amplifier and integral signal shunt attenuator. The amplifier consists of an active amplifying... |
| US-4,498,055 |
Circuit arrangements for modifying dynamic range Improvements in compressors, expanders and noise reduction systems are disclosed which reduce the susceptibility of such circuit arrangements to undue control by... |
| US-4,498,054 |
Differential amplifier circuit A differential amplifier circuit includes first and second differential amplifiers, with respective first input terminals thereof connected to each other and... |
| US-4,498,053 |
Current amplifier A current amplifier for use with an input voltage comprises a current to voltage converting circuit which converts the input voltage to output currents, and a... |
| US-4,498,052 |
Signal detecting circuit A time averaging circuit which increases significantly the signal to noise ratio of a received signal. The output of a multiplier which provides near D.C.... |
| US-4,498,051 |
High energy laser An apparatus and process for pumping a lasing media (preferably krypton fluoride) over a 500 nanosecond period and thereafter compressing and focusing to a... |
| US-4,498,050 |
Demodulation device for composite PSK-PSK modulated waves A demodulator for a composite PSK-PSK modulated signal having a 2.sup.n -phase main data signal and a 2-phase subdata signal including a frame signal, said... |
| US-4,498,049 |
Radiation compensator for gas sensors A compensator device for providing direct and automatic correction of electrolytic gas sensor performance anomalies caused by exposure of the sensor to high... |
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