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| Number | Title | Issue Date |
| 7116606 | Method and circuit of plasma damage protection A protection circuit to discharge plasma-induced charges in a semiconductor device or integrated circuit includes a PMOS transistor and a diode. The PMOS transistor includes a substrate, a drain, a source, and a gate, the source being coupled to receive the plasma-i... | 10/03/2006 |
| 6404412 | Plasma-addressed color display In a plasma-addressed display device according to the invention, a group (G) of three pixels (16) is constituted out of one common data electrode (18) and a group of plasma channels (20). The colour filters are aligned with the plasma channels (20) of the... | 06/11/2002 |
| 5761111 | Method and apparatus providing 2-D/3-D optical information storage and retrieval in transparent materials Sub-micron-scale, micron-scale and greater than micron-scale, crack-free and regularly-shaped structures of high-contrast refractive index are provided in transparent storage media by controllably focusing ultrashort laser pulses in the bulk of virtually ... | 06/02/1998 |
| 5596431 | Plasma addressed liquid crystal display with etched electrodes A method for making an electrical device such as a PALC display device, and the electrical device or PALC device so made, in which a channel plate is provided with substantially vertical side walls, and the electrodes are formed by a self-aligning anisotr... | 01/21/1997 |
| 5351144 | Plasma addressed electro-optical device with non-continuous barrier ribs A plasma addressed electro-optical device comprising a first substrate having a plurality of first electrodes arranged substantially in parallel to each other on a major surface thereof; a second substrate opposed to the first substrate and having a plura... | 09/27/1994 |
| 5214521 | Plasma addressed liquid crystal display with grooves in middle plate A plasma addressed liquid crystal display in which the structure of the plasma address portion is improved is disclosed. In the plasma address portion of the present liquid crystal display, a plurality of independent parallel discharge spaces are formed b... | 05/25/1993 |
| 4896149 | Addressing structure using ionizable gaseous medium An addressing structure uses an ionizable gas to address data storage elements (16) defined by the overlapping areas of multiple column electrodes (18) on a first substrate (48) and multiple channels (20) on a second substrate (54). A layer of dielectric ... | 01/23/1990 |
| 4546289 | Process for establishing control signals for an alternating plasma panel This invention concerns a process for establishing control signals for an alternating plasma panel which consists in applying simultaneously: a "selection" voltage to one of the electrodes in one of the networks; a "non-selection" voltage to the other electrodes in... | 10/08/1985 |
| 4525707 | Gas panel interrogation by selective sustain A gas panel can provide optical data readout in an essentially serial manner for copying, communication, interaction and indication. This is accomplished by using substitute sustain cycles for reading particular addresses. A complement sustain signal obta... | 06/25/1985 |
| 4471469 | Negative resistance bubble memory and display device Disclosed is a memory or display device which includes a shift register having a bubble generator, a bubble propagator, and a bubble annihilator. Front and back glass plates are provided with dielectric-covered, transparent electrodes with the plates bein... | 09/11/1984 |
| 4205392 | Gas discharge display device There is disclosed a gas discharge device containing at least two electrodes, at least one of the electrodes being insulated from the gas by a dielectric member. There is particularly disclosed a multiple gaseous discharge display/memory panel having an e... | 05/27/1980 |
| 4176297 | Ultra violet initiated gas discharge visual display matrix A large area visual display matrix of ultra-violet initiated individual small gas discharge elements. Each element remains in a discharge condition until the voltage applied to a common anode is turned off and for this reason the matrix requires no associ... | 11/27/1979 |
| 4149111 | Method and apparatus for modulating the perceptible intensity of a light emitting display A method and apparatus for modulating the perceptible intensity of the presentation of a light emitting display which light emitting display emits light by gas discharge and recombination of ions and free electrons of a display medium; includes a system c... | 04/10/1979 |
| 4130779 | Slow rise time write pulse for gas discharge device A gas discharge device having at least one dielectric charge storage member the gaseous medium contacting surface of which consists of a low operating voltage material. The material is used in an amount sufficient to increase the operating life span of th... | 12/19/1978 |
| 4128901 | Ground-reference power supply for gas discharge display/memory panel driving and addressing circuitry A ground-reference addressing power supply is connected to the driving and addressing circuitry of a gas discharge display/memory panel for generating write and erase pulse voltages. The addressing power supply is referenced to the same ground potential a... | 12/05/1978 |
| 4099096 | Information display and method of operating with storage A method and circuit for operating a gaseous discharge device which, in one form, comprises a plurality of discrete gas cells, each having its own cathode and anode electrodes arrayed in a matrix such that the cells can be activated and sustained in diffe... | 07/04/1978 |
| 4087807 | Write pulse wave form for operating gas discharge device A gas discharge device having at least one dielectric charge storage member the gaseous medium contacting surface of which consists of a low operating voltage material. The material is used in an amount sufficient to increase the operating life span of th... | 05/02/1978 |
| 4087805 | Slow rise time write pulse for gas discharge device A gas discharge device having at least one dielectric charge storage member the gaseous medium contacting surface of which consists of a low operating voltage material. The material is used in an amount sufficient to increase the operating life span of th... | 05/02/1978 |
| 4077033 | Plasma display drive circuit and method The present invention consists of improved drive circuitry for a plasma display panel using low voltage switching devices to control charge storage diodes which in turn regulate high voltage currents. These circuits are implemented as clamp bus selection ... | 02/28/1978 |
| 4072937 | MOS transistor driver circuits for plasma panels and similar matrix display devices Driver circuits for plasma panels and similar matrix display devices are disclosed. Each driver circuit includes a single MOS transistor for coupling sustain signals to an associated row or column conductor of the panel. The drain of the transistor is con... | 02/07/1978 |
| 4066929 | Electron-acceleration type flatgas-discharge panel with internal memory functions and method of driving for same A flat display panel uses a DC gas-discharge and has flat discharge display elements, which elements have three electrodes composed of a cathode, a grid and an anode and a discharge stabilizing resistor. An auxiliary discharge is formed by using the disch... | 01/03/1978 |
| 4063131 | Slow rise time write pulse for gas discharge device A gas discharge device having at least one dielectric charge storage member the gaseous medium contacting surface of which consists of a low operating voltage material. The material is used in an amount sufficient to increase the operating life span of th... | 12/13/1977 |
| 4063223 | Nondestructive cursors in AC plasma displays A nondestructive, transparent cursor for AC plasma displays may be superimposed electronically over a displayed image without regenerating the original image each time the cursor is moved. The cursor is displayed by means of a special cursor drive wavefor... | 12/13/1977 |
| 4051408 | Circular plasma charge display device A plasma charge display device having a channel containing an ionizable medium with the channel defining an endless length as in the case of a circular channel. At least one input electrode is located in a first position, and transfer electrodes extend aw... | 09/27/1977 |
| 4001635 | Electro-optical converter and an optical information recording system comprising such a converter The present invention relates to an electro-optical converter with storage facility. The converter is constituted essentially by a panel comprising a substrate covered by two dielectric layers, cells containing a gas being made in said substrate and two s... | 01/04/1977 |
| 3990068 | Plasma display panel drive system In a plasma display panel, of a conventional type or of the planar type, a drive system consists of an array of paired, parallel drive lines, both of which may be on the same side of the enclosed gas atmosphere, as with the planar panel, or disposed on op... | 11/02/1976 |
| 3977009 | Information recording with an organic compound capable of assuming two or more convertible stable aggregation states A recording method which comprises selectively applying a DC or AC electric field to a layer of a recording medium on a support, the recording medium comprising at least one organic compound capable of assuming two or more convertible aggregation states a... | 08/24/1976 |
| 3969715 | Gas panel with improved write circuit and operation An improved write waveform is provided for a gas panel of the type in which light emitting cells are formed in an ionizable medium at the cross points of a set of horizontally and vertically extending insulated wires. A write pulse of high amplitude is fo... | 07/13/1976 |
| 3958233 | Multiphase data shift device There is disclosed an improved display and data shift system for gaseous discharge display panels having wall charge memory properties. The principle of discharge logic is combined with a multiphase voltage system for shifting information transferred to t... | 05/18/1976 |
| 3946381 | Graphic system apparatus utilizing plasma display/memory devices with direct electrical read-out Method and apparatus for electrically interrogating gaseous discharge cells in a plasma panel to sense the state of said cells by selectively coupling a sensing impedance element for detecting the presence of a discharge current associated with cells havi... | 03/23/1976 |
| 3942161 | Selective control of discharge position in gas discharge display/memory device There is disclosed a gas discharge display/memory device wherein the discharge is selectively controlled for various advantages, particularly increased light output and panel brightness. The device is characterized by an ionizable gaseous medium in a thin... | 03/02/1976 |
| 3939454 | Gas discharge panel information read-out system A system for reading out information in a plasma display memory panel having a set of X and a set of Y electrodes is disclosed in which a forward current is conducted through unidirectional conducting devices having a charge storage effect, for example, c... | 02/17/1976 |
| 3938107 | Gas panel with improved circuit for write operation An improved write circuit for a gas panel produces a sequence of alternating polarity write pulses that are superimposed on a sequence of half cycle pulses of the sustain waveform. Thus the accumulation of charges on the walls of a light-emmitting cell th... | 02/10/1976 |
