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| Number | Title | Issue Date |
| 6484714 | High temperature fireplace grate including room heating transfer tubes An improved grate for burning solid fuel having a support for the fuel, a blower for transporting air through the support, a multiplicity of orifices jets uniformly distributed across the entire area of the grate and directed through the support generally... | 11/26/2002 |
| 5083175 | Method of using offset gated gap-cell thin film device as a photosensor A method of utilizing a thin film device as a photosensor. The thin film device comprises a substrate upon which is deposited a charge transport layer, first and second injecting electrodes in low electrical resistance contact with the charge transport la... | 01/21/1992 |
| 5081513 | Electronic device with recovery layer proximate to active layer An electronic device including a substantially intrinsic non-single crystal semiconductor active layer having a number of metastable defects therein, the active layer being responsive to the application of stress upon the device by shifting its Fermi leve... | 01/14/1992 |
| 5074149 | Acoustic wave measurement of the properties of porous materials filled with air and granules A method for the situ measuring of a sample of a porous material having a gaseous fluid and fine granular material located within its pores and, in particular, for determining the concentration of the fine granular material within the sample. The method i... | 12/24/1991 |
| 5073723 | Space charge current limited shunt in a cascode circuit for HVTFT devices A cascode circuit for switching a high voltage thin film transistor substantially over its entire high voltage range, comprising a leaky low voltage thin film transistor connected in series with the high voltage thin film transistor, the transistors being... | 12/17/1991 |
| 5066150 | Low cost quiet impact printer A serial impact printer including a platen mounted for rotation upon a support frame, a print element having character imprinting portions disposed thereon and a print element selector for moving the print element to position a selected character imprinti... | 11/19/1991 |
| 5060880 | Apparatus for automatically spooling output media from an electrographic printer Apparatus for automatically spooling output media from a printer including a web supply of recording medium, a generally circular baffle arrangement for directing the recording medium into a tubular form, a drive roller for bidirectionally driving the rec... | 10/29/1991 |
| 5061948 | Electrographic marking with modified addressing to eliminate striations In a device for producing an electrostatic image along a scan line of a recording medium by means of a recording device including an array of stylus electrodes arranged in a series of groups cooperable with a series of complementary electrodes, each of th... | 10/29/1991 |
| 5053793 | Electrographic marking with dithered stylus group boundaries to eliminate striations A method of producing an electrostatic image along scan lines of a recording medium with recording means including a series of stylus electrodes arranged in a longitudinally extending array and divided into two groups, with the stylus members of each grou... | 10/01/1991 |
| 5037037 | Catch tray for receiving spooled output media from an electrographic printer A catch tray for receiving individual spools of output recording media, having a nominal outer diameter, which are dropped therein and which is capable of maintaining and enhancing their tight tubular form. The tray comprises a pair of walls spaced from o... | 08/06/1991 |
| 5017989 | Solid state radiation sensor array panel A solid state radiation sensor array panel comprising a thick deposited radiation detector layer capable of generating electron-hole pairs in response to being irradiated, and a matrix array of transistors comprising source and drain electrode elements, a... | 05/21/1991 |
| 5011309 | Ribbon drive for low cost quiet impact printer A serial impact printer comprising a support frame, a platen mounted for rotation upon the support frame, a print element having character imprinting portions disposed thereon, a print element selector for moving the print element to position a selected c... | 04/30/1991 |
| 5011093 | Deflectable media guides for assisting in media transport A media transport apparatus including a supply of recording medium, collecting means for the recording medium, a drive roller for moving the recording medium from the supply to the collecting means along a transport path, and a cutter for severing the rec... | 04/30/1991 |
| 4998146 | High voltage thin film transistor A high voltage thin film transistor comprising a charge transport layer, source and drain electrodes laterally spaced from one another and each being in low electrical resistance contact with the charge transport layer, a gate electrode spaced normally fr... | 03/05/1991 |
| 4996573 | Vertical thin film transistor and optical sensor having leakage current suppression elements A thin film transistor and optical sensor including a substrate upon which are supported a gate electrode layer, a gate dielectric layer, a source electrode comprising finger elements, a semiconductor layer overlying the gate dielectric layer and at least... | 02/26/1991 |
| 4990977 | High current thin film transistor A thin film transistor including a substrate upon which are supported a gate electrode layer, a gate dielectric layer, at least one finger-like source electrode, a semiconductor layer overlying the gate dielectric layer and at least partially surrounding ... | 02/05/1991 |
| 4988638 | Method of fabrication a thin film SOI CMOS device A thin film SOI CMOS device wherein the suitably doped deposited layers of an n-channel transistor and a p-channel transistor are simultaneously deposited. The source and drain elements of one transistor and the gate element of the other transistor are fo... | 01/29/1991 |
| 4963504 | Method for fabricating double implanted LDD transistor self-aligned with gate An improved double implanted and aligned LDD transistor comprising a gate having a central alignment member and a pair of outboard alignment members having portions contiguous with the gate oxide layer. A lightly doped junction is aligned with the central... | 10/16/1990 |
| 4951113 | Simultaneously deposited thin film CMOS TFTs and their method of fabrication A thin film SOI CMOS device wheren the suitably doped deposited layers of an n-channel transistor and a p-channel transistor are simultaneously deposited. The source and drain elements of one transistor and the gate element of the other transistor are for... | 08/21/1990 |
| 4945067 | Intra-gate offset high voltage thin film transistor with misalignment immunity and method of its fabrication A high voltage thin film transistor comprising a substrate upon which is supported a non-single crystal semiconductor active layer, spaced from a pair of conductive gate electrodes by a gate dielectric layer, wherein one of the gate electrodes in the devi... | 07/31/1990 |
| 4936697 | Impact printer platen support In a serial impact printer including a platen for supporting an image receptor, the platen having a central shaft and a cylindrical impact absorbing sleeve secured thereto, a platen mounting arrangement is provided which is capable of withstanding rapidly... | 06/26/1990 |
| 4908638 | Ink jet marking head having multicolor capability An ink jet printer having a marking head, a number of ink supply containers, and conduit means interconnects the marking head with the ink supply containers. Selector means is associated with the marking head for receiving ink from the conduit means and b... | 03/13/1990 |
| 4907048 | Double implanted LDD transistor self-aligned with gate An improved double implanted and aligned LDD transistor comprising a gate having a central alignment member and a pair of outboard alignment members having portions contiguous with the gate oxide layer. A lightly doped junction is aligned with the central... | 03/06/1990 |
| 4907041 | Intra-gate offset high voltage thin film transistor with misalignment immunity A high voltage thin film transistor comprising a substrate upon which is supported a non-single crystal semiconductor active layer, spaced from a pair of conductive gate electrodes by a gate dielectric layer, wherein one of the gate electrodes is the devi... | 03/06/1990 |
| 4904611 | Formation of large grain polycrystalline films A method of forming large grain polycrystalline films by deep ion implantation into a composite structure, comprising a layer of amorphous semiconductor material upon an insulating substrate. Implantation is of a given ion species at an implant energy and... | 02/27/1990 |
| 4896174 | Transport of suspended charged particles using traveling electrostatic surface waves A method and apparatus for transporting electrically charged particles suspended in a fluid, such as ions or the like, through said fluid, in a transport direction by means of a traveling electrostatic surface wave. The apparatus includes an array of tran... | 01/23/1990 |
| 4893950 | Apparatus and method for controlling the positioning of marking elements in a serial impact printer A serial impact printer and including a single cam member for properly establishing and maintaining the throat gap distance between a character imprinting surface and the platen at a print point and for raising and lowering a selected ribbon, of a composi... | 01/16/1990 |
| 4874265 | Impact mechanism for impact printer An impact mechanism for use in an impact printer, to deliver a printing force to drive a character element against a platen by means of a print tip movable toward and away from the platen. A rockable bail bar having an axis of rotation substantially paral... | 10/17/1989 |
| 4867584 | Impact mechanism for impact printer An impact mechanism for use in an impact printer, to deliver a printing force to drive a character element against a platen by means of a print tip movable toward and away from the platen. A rockable bail bar having an axis of rotation substantially paral... | 09/19/1989 |
| 4859096 | Impact mechanism for impact printer An impact mechanism for use in an impact printer, to deliver a printing force to drive a character element against a platen by means of a print tip movable toward and away from the platen. A rockable bail bar having having an axis of rotation substantiall... | 08/22/1989 |
| 4842892 | Method for depositing an n+ amorphous silicon layer onto contaminated substrate A method of depositing a delamination bubble-free PECVD thin film n+ amorphous silicon layer, from the decomposition of a gaseous mixture of silane and phosphine, upon a substrate having one or more thin film layers thereon, wherein there is contamination... | 06/27/1989 |
| 4812860 | Heater for ionographic marking head array A heater for an ionographic marking apparatus including a housing, means for generating a supply of marking ions within the housing, means for transporting the marking ions through and out of the housing, and an array of modulation electrodes upon a subst... | 03/14/1989 |
| 4810114 | Print wheel with self-contained means for print wheel alignment A print wheel for serial printing devices of the type wherein print fonts are arranged upon a disc print wheel member. The print wheel has both coarse alignment and fine alignment means formed therein; the coarse alignment means for driving the print whee... | 03/07/1989 |
| 4803536 | Electrostatic discharge protection network for large area transducer arrays An electrostatic discharge protection network for large area transducer arrays in which each transducer has associated therewith an addressing circuit for changing the state of the transducer element. Each addressing circuit includes at least one thin fil... | 02/07/1989 |
| 4779107 | Modulation electrodes having improved corrosion resistance A marking array for use in an ionographic marking apparatus in which the ion modulation structure is subject to a lighly corrosive atmosphere. Improved marking electrodes are provided which comprise a thin film body of a conductive material having a surfa... | 10/18/1988 |
| 4774529 | Repositionable marking head for increasing printing speed A printing system for increasing the printing speed of a multi-color printer when utilized in a single color mode by repositioning a recording head cartridge from a first level to a second level so as to enable at least two lines of information to be crea... | 09/27/1988 |
| 4752814 | High voltage thin film transistor A high voltage amorphous silicon thin film transistor including a gate electrode which controls the injection of charge carriers from a superimposed n+ doped amorphous silicon source electrode into an amorphous silicon charge carrier transport layer, spac... | 06/21/1988 |
| 4748453 | Spot deposition for liquid ink printing A method of depositing spots of liquid ink upon selected pixel centers on a substrate having poor ink absorptive properties so as to prevent the flow of liquid ink from one spot to an overlapping adjacent one. The line of information is printed in at leas... | 05/31/1988 |
| 4743925 | Modulation electrodes having improved corrosion resistance A marking array for use in an ionographic printer in which the transport fluid entrained ions presents a highly corrosive atmosphere to the modulation electrodes. Marking electrodes formed of an alloy of aluminum and copper wherein the copper is in the ra... | 05/10/1988 |
| 4737805 | Multifunction ionographic marking apparatus An ionographic marking apparatus capable of multifunction operation for use as an input printer, a document copier or a document scanner. The apparatus includes a writing head comprising thin film elements including ion modulating electrodes, data and add... | 04/12/1988 |
