| Patent Number |
Title Of Patent |
Date Issued |
| 5418624 |
Negotiation method and apparatus enabling a facsimile machine to use async data communication pr |
May 23, 1995 |
| A facsimile machine is provided which can transmit and receive data over asynchronous digital data networks in accordance with an asynchronous protocol. The facsimile machine can provide and receive negotiation information during a data transmission process. |
| 5412413 |
Method and apparatus for making liquid drop fly to form image by generating bubble in liquid |
May 2, 1995 |
| A liquid jet recording head includes a base member, a liquid layer maintained on the base member and a plurality of heater elements, arranged in a line on the base member, for supplying energy to liquid adjacent thereto, the energy operation portions being put under the liquid layer. A |
| 5400052 |
Mosaic picture display and external storage unit used therefor |
March 21, 1995 |
| A mosaic picture display apparatus includes a picture processing unit and an external storage unit connected thereto. Mosaic size data is programmed in the external storage unit. In response to a control signal which is generated for each mosaic having a mosaic size determined by the mos |
| 5394544 |
Software system debugger with distinct interrupt vector maps for debugging and application progr |
February 28, 1995 |
| A system for debugging an application program includes a debugging execution unit operated under an operating-system-free environment. The debugging execution unit includes a communication channel, a target processor unit for executing the application program and a first debugging pr |
| 5375205 |
Method and apparatus for controlling the buffer scan in a printer controller |
December 20, 1994 |
| A method and apparatus for controlling the buffer scan and placing the origin of the buffer allows software to control laser printer hardware in such a way that the hardware can scan data in a bit map correctly and send the data to a laser printer. The present invention places the output |
| 5371512 |
Background picture display apparatus and external storage used therefor |
December 6, 1994 |
| A background picture display apparatus includes a microprocessor and an external storage unit, and dot data, character designating data and mode data are programmed in advance in a ROM in the external storage unit. Character designating data constituting background screens designated by |
| 5337069 |
Still picture display apparatus and external storage device used therein |
August 9, 1994 |
| A still picture display apparatus displays a still picture in which characters each composed of combination of a predetermined number of dots on a raster scan monitor in accordance with character data and program data both stored in an external storage device in advance. Offset data of |
| 5327158 |
Video processing apparatus |
July 5, 1994 |
| A video processing apparatus includes a VRAM in which image data of an original background picture is stored. An address of the VRAM in a case where the original background picture is rotated and enlarged or reduced is calculated by a background picture address control circuit on the bas |
| 5309182 |
Bicolor image forming apparatus for forming a bicolor image on a photoconductive element |
May 3, 1994 |
| A bicolor image forming apparatus having first and second exposing means and first and second developing means arranged around a photoconductive element. The first and second developing means are implemented as a deflection scanning type and a line type, respectively. Parts around a |
| 5308823 |
Reversible thermosensitive recording materials |
May 3, 1994 |
| A reversible thermosensitive recording material is made up of a substrate having a thermosensitive layer consisting essentially of a resin matrix and an organic low molecular substance dispersed in this resin matrix and is arranged to change its transparency reversibly depending upon the |
| 5308086 |
Video game external memory arrangement with reduced memory requirements |
May 3, 1994 |
| A T.V. game system for displaying a desired picture on the screen of a raster scanning type T.V. set includes a motion picture pattern generator, a still picture pattern generator, a central processing unit for controlling the overall operation of the system under the control of the |
| 5304357 |
Apparatus for zone melting recrystallization of thin semiconductor film |
April 19, 1994 |
| An apparatus for zone melting a thin semiconductor film comprises an first laser for heating the thin semiconductor film, at least one additional laser for heating an insulating substrate, a first temperature detecting device for detecting the temperature of a melted portion of the thin |
| 5291189 |
Direct memory access apparatus in image processing system and external storage device used there |
March 1, 1994 |
| A direct memory access apparatus includes a CPU, and data of one byte or more to be transferred is stored in a working RAM of the CPU or an external storage unit. The external storage unit includes a memory cartridge or a CD-ROM, and stores parameter data including the number of data |
| 5287202 |
Method and apparatus for a facsimile machine having ASCII code addressing capability |
February 15, 1994 |
| A facsimile machine is provided which includes a mechanism to generate ASCII codes for addressing a digital network, and to generate numeric number for addressing the public switched telephone (analog) network. Such facsimile machine can address other facsimile machines and communicate |
| 5261039 |
Image forming apparatus capable of informing user of processing time necessary before image reco |
November 9, 1993 |
| An image forming apparatus has an operation part for specifying information to be recorded on a sheet, a recognition part for recognizing the information specified by the operation part, an input interface for receiving sequentially a first serial image data representing an image, a |
| 5245696 |
Evolution and learning in neural networks: the number and distribution of learning trials affect |
September 14, 1993 |
| The present invention relates to the interrelationships between nature (as mediated by evolution and genetic algorithms) and nurture (as mediated by gradient-descent supervised learning) in a population of neural networks for pattern recognition. The Baldwin effect is demonstrated that l |
| 5237579 |
Semiconductor laser controller using optical-electronic negative feedback loop |
August 17, 1993 |
| A semiconductor laser controller which controls an optical output of a semiconductor laser by using an optical-electronic negative feedback. At least two pairs of bipolar transistors are used for the optical-electronic negative feedback. The transistors are configured so that a time cons |
| 5182708 |
Method and apparatus for classifying text |
January 26, 1993 |
| The present invention provides a method and apparatus for classifying text by using two constants determined by analyzing the text. The first constant, G, classifies text in the order of constraint. It is defined by the equation G=log (N/L)/ {log(N)-1}, where N is the number of words and |
| 5153779 |
Lens for reading original |
October 6, 1992 |
| A lens for reading an original has first to fifth lens groups sequentially arranged from an object side of a lens system to an image side thereof. The first lens group is constructed by a first lens composed of a negative meniscus lens having a convex face directed on the object side. Th |
| 5125671 |
T.V. game system having reduced memory needs |
June 30, 1992 |
| A T.V. game system for displaying a desired picture on the screen of a raster scanning type T.V. set includes a motion picture pattern generator, a still picture pattern generator, a central processing unit for controlling the overall operation of the system under the control of the |
| 5018105 |
Semiconductor memory device |
May 21, 1991 |
| A semiconductor memory device includes a pair of bit lines and a sense amplifier device. Each of the pair of bit lines has a parasitic capacitor and a memory cell connected thereto respectively. The memory cell has an electric capacity and a word line connected to a gate of a transistor. |
| 4977030 |
Reversible thermosensitive recording materials |
December 11, 1990 |
| The present invention provides a reversible thermosensitive layer whose transparency reversibly changes depending on its temperature. The layer comprises a resin matrix and an organic low molecular substance dispersed in said resin matrix. |
| 4969557 |
Toner cartridge |
November 13, 1990 |
| A toner cartridge is provided for use in replenishing toner to a toner storing section of an imaging machine, such as a copying machine, which uses toner to produce a visible image. The toner cartridge includes a container having an opening, a folded over seal member having one end f |
| 4957842 |
Liquid developer for electrostatic latent images using flushed pigments |
September 18, 1990 |
| The present invention relates to a liquid developer for electrostatic latent images which comprises a toner comprising a colorant and a binding agent as the main components dispersed in an aliphatic hydrocarbon carrier liquid, characterized in that said colorant is prepared by using a ye |
| 4918489 |
Method of supplying recording sheets in image forming apparatus |
April 17, 1990 |
| A method of supplying recording sheets from a plurality of paper supplying units to a reference position within a main body of an image forming apparatus which forms an image on each of the sheets supplied successively from the paper supplying units via corresponding transport paths havi |
| 4918434 |
T.V. game system |
April 17, 1990 |
| A T.V. game system for displaying a desired picture on the screen of a raster scanning type T.V. set includes a motion picture pattern generator, a still picture pattern generator, a central processing unit for controlling the overall operation of the system under the control of the |
| 4899344 |
Semiconductor laser control apparatus |
February 6, 1990 |
| A semiconductor laser control apparatus for controlling an optical output of a semiconductor laser to a predetermined value comprises a switching part coupled in series with the semiconductor laser and controlled by an N-bit image signal, N constant current supply circuits coupled in par |
| 4891305 |
Optical information recording element |
January 2, 1990 |
| This invention relate to an optical information recording medium, characterized by having an organic thin film recording layer containing at least one of compounds expressed by the general formula (I), (II), (III) and (IV): ##STR1## (wherein in the above formulas, A, B, D and E r |
| 4888263 |
Color toner for electrophotography |
December 19, 1989 |
| This invention relates to a color toner for electrophotography containing a coloring agent and a binder resin as the main components, said coloring agent comprising at least one of the anthraquinone derivatives expressed by the following general formula (I), ##STR1## wherein R.su |
| 4887296 |
Cryptographic system for direct broadcast satellite system |
December 12, 1989 |
| A three key cryptographic system is used in the transmission of digitized signals to a plurality of receivers, each having a unique address number and a factory stored signature key which is a function of the address number. At the transmission end, a common key is generated and used to |
| 4862211 |
Image-forming belt supporting apparatus |
August 29, 1989 |
| The present invention relates to an apparatus for conveying and rotating an image-forming belt while supporting said belt by at least two rolls, wherein the surface of at least one roll A of said rolls is short-fibre-embedded or wound up with thread or cloth. It is desirable to provi |
| 4860417 |
Developer carrier |
August 29, 1989 |
| A developer carrier to be formed is provided with an electrode layer which includes a plurality of electrode particles embedded in a dielectric material as electrically isolated from one another and exposed at an outer surface at least partly. In one aspect of the present invention, an |
| 4860119 |
Image forming system with memory duplex printing |
August 22, 1989 |
| An image forming system includes a memory having a page memory for storing data per one page of a sheet of paper to be printed on a sheet of paper; and a video memory for storing video data corresponding to the data stored in the page memory. A controller secures a memory region for the |
| 4857773 |
Programming logic device with test-signal enabled output |
August 15, 1989 |
| A programmable logic device includes an AND plane and an OR plane associated with the AND plane. At least one of the AND and OR planes includes an array of programmable memory elements which can be selectively programmed to define a desired logic function. In one form, a function cel |
| 4855754 |
Control device for an image recorder |
August 8, 1989 |
| A control system for a laser printer and other image recorders stores history data including the number of prints produced by a photoconductive element and occurrences of various kinds of failures, and displays the history data at suitable timings. The control system, therefore, displays |
| 4853735 |
Ozone removing device |
August 1, 1989 |
| An ozone removing device suitable for use in an image forming apparatus using an electrophotographic process, such as a copier, a laser printer or a facsimile machine, includes a container for containing therein a quantity of a volatile ozone removing agent. Thus, the vaporized or vo |
| 4853710 |
Imaging by laser beam scanning |
August 1, 1989 |
| A laser beam scanning system includes a laser for emitting a laser beam modulated with image information to be recorded and a deflecting device, such as polygon mirror, for deflecting the laser beam over a predetermined angle repetitively, so that the laser beam is scanned on a scanning |
| 4846595 |
Frame structure of a printer with positioning openings |
July 11, 1989 |
| A printing apparatus such as a printer of the type using a type wheel includes two guide members which extend between a pair of side frames and each of which is fixed by riveting. A carrier is slidably mounted on the guide members. A carriage loaded with a type wheel and others is mounte |
| 4846057 |
Screen printing machine with waste printing plate discharge means |
July 11, 1989 |
| In a screen printing machine, its printing-plate discharge unit is provided with: a pair of printing-plate discharge rollers which may approach to a peripheral surface of a plate cylinder and may also draw therefrom; and a waste-paper container for receiving a waste printing plate having |
| 4845520 |
System for driving a thermal print head for constant dot density |
July 4, 1989 |
| A system for driving a thermal print head including a plurality of heat-producing elements which are activated selectively in accordance with digital image data obtained from an analog image signal is provided. In one aspect, the driving system is so structured to insert additional data |
| 4845358 |
Synchronizing device for laser printer |
July 4, 1989 |
| A synchronizing device is used in a laser printer which comprises a polygonal mirror for periodically deflecting a laser beam which scans a scanning plane and a photodetector provided on the scanning plane outside a region in which a printing is made by the laser beam for outputting an |
| 4833058 |
Developing apparatus |
May 23, 1989 |
| This invention relates to a developing apparatus for one component type toner, which has a thin film-forming element applying a thin film of one component type toner on the surface of a toner holder, characterized in that said thin film-forming element is composed of a silicone rubber |
| 4831553 |
Plate making and printing press |
May 16, 1989 |
| A plate making and printing press apparatus having a press arrangement including a plate making unit, a printing unit and a sorting unit, a memory for storing printing sheet numbers inputted from a printing sheet number inputting unit, and a control circuit for receiving necessary in |
| 4824106 |
T.V. game system having reduced memory needs |
April 25, 1989 |
| A T.V. game system for displaying a desired picture on the screen of a raster scanning type T.V. set includes a motion picture pattern generator, a still picture pattern generator, a central processing unit for controlling the overall operation of the system under the control of the |
| 4823161 |
Cleaning blade for electrophotographic copying machines or the like |
April 18, 1989 |
| The present invention provides a cleaning blade for use in electrophotographic copying machines, facsimile machines, printers or the like which is characterized in that it has a double-layer structure and comprises a contact member made of a poly(urethane)ureamide polymer and to be h |
| 4822707 |
Positively chargeable toners for use in dry type electrophotography comprising a blue dye lake c |
April 18, 1989 |
| The present invention provides a positively chargeable for use in dry type electrophotography that contains, as a charge controlling agent, a lake (blue pigment) of a compound represented by the general formula: ##STR1## [Wherein, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub |
| 4807238 |
A semiconductor laser device |
February 21, 1989 |
| A semiconductor laser device having an oscillator for use in a light source containing therein a two- or three-dimensional integrated circuit semiconductor laser element. The laser device comprises a base plate having a top surface, a mask layer having a predetermined pattern provided |
| 4797341 |
Liquid developer for electrophotography |
January 10, 1989 |
| This invention relates to a liquid developer for electrophotography comprising toner particles dispersed in a highly insulative aliphatic hydrocarbon and/or halogenated hydrocarbon carrier liquid having a low dielectric constant, said toner particles having two particle size distribu |
| 4792510 |
Electrophotographic element with silicide treated porous Al.sub.2 O.sub.3 sublayer |
December 20, 1988 |
| This invention relates to a photosensitive material for electrophotography having, on a substrate, an amorphous silicon layer comprising silicon atom as the matrix and containing at least one of hydrogen atom, halogen atom and heavy hydrogen atom, characterized by provided with a porous |
| 4791866 |
Speed control method for printing press and printing press practicing the method |
December 20, 1988 |
| A speed control method for printing press wherein a predetermined reference value of rotation speed of a plate cylinder is set in a controller, and when a rotation speed which differs from the reference value to exceed it is set in the controller, the plate cylinder is started to rotate |
