| Patent Number |
Title Of Patent |
Date Issued |
| 4776575 |
Electrophotographic copying apparatus incorporating an automatic adhesive sheet feeding method a |
October 11, 1988 |
| A sheet feeder is disclosed having a cartridge mounted adjacent the stack of paper providing an exposed line of adhesive strip. The adhesive should be a temporary adhesive which when removed leaves no residue or damage on the sheet to which it was temporarily bonded. The cartridge is lan |
| 4775605 |
Layered photosensitive material for electrophotography |
October 4, 1988 |
| This invention relates to a repeatedly usable photosensitive material for electrophotography, comprising an electroconductive substrate, a photosensitive layer and an intermediate layer located between said electroconductive substrate and said photosensitive layer, characterized in t |
| 4767693 |
Optical information recording medium |
August 30, 1988 |
| This invention provides an optical information recording medium that has, on a substrate, a recording layer containing a cyanine dye represented by the general formula: ##STR1## (wherein, R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each stands for a substituted |
| 4764447 |
Non-aqueous type resin dispersion and electrophotographic developer containing said resin |
August 16, 1988 |
| This invention relates to a non-aqueous type resin dispersion obtained by polymerizing a polymerizable composition containing at least monomer A represented by the general formula (I), ##STR1## (wherein, R.sup.1 represents --H or --CH.sub.3, X represents --COOC.sub.n H.sub.2n+1 o |
| 4762763 |
Toner for developing electrostatic latent image |
August 9, 1988 |
| This invention relates to a toner for developing an electrostatic latent image, which contains a coloring agent, a binder resin and a charge controlling agent as the main components, said charge controlling agent being a metal salt of salicylic acid or derivatives. |
| 4758499 |
Optical information recording medium |
July 19, 1988 |
| This invention relates to an optical information recording medium, characterized by having an organic thin film recording layer containing at least one of triaryl methane type coloring matters expressed by the general formula (1), (2) or (3): ##STR1## (wherein, in the above formu |
| 4752554 |
Optical information recording medium |
June 21, 1988 |
| The present invention relates to an optical information recording medium comprising a substrate, recording layer and protective layer, characterized in that said protective layer comprises, as the main components, a high molecular compound and at least one of record-promoting agents |
| 4749506 |
Fine particle substance-containing microgel dispersions |
June 7, 1988 |
| A microgel dispersion characterized by that an oil-soluble surface active agent is adsorbed or adhered onto a gel consisting of a fine particle substance and a polymer, and said gel is dispersed in a non-aqueous organic solvent. |
| 4741981 |
Photosensitive material for electrophotography contains organic phosphite compounds |
May 3, 1988 |
| This invention relates to a layered type photosensitive material for electrophotography, which comprises a charge generating layer and a charge transfer layer on an electroconductive substrate, characterized by containing a trivalent organic phosphite compound as an agent for prevent |
| 4740494 |
Method of recording image |
April 26, 1988 |
| This invention relates to a method of recording an image, characterized by superposing a heat-sensitive transfer medium on a plain paper and heating the medium thereby transferring a leuco dye from a leuco dye-containing transfer layer and a developer from a developer-containing transfer |
| 4735852 |
Electroconductive thin film |
April 5, 1988 |
| This invention relates to an electroconductive thin film prepared by forming a polymerized thin film on a substrate in a vacuum reactor by the decomposition of a metal complex starting material by glow discharge, said metal complex having a ligand selected from the group consisting of |
| 4735839 |
Optical information recording medium |
April 5, 1988 |
| An optical information recording medium comprises a plastic substrate and a recording layer containing an indole type polymethine compound wherein the substituents attached to N atoms in the indole and indolene rings must be different from each other. The compound provides high solubilit |
| 4734346 |
Photosensitive material for electrophotography |
March 29, 1988 |
| The present invention is concerned with a photosensitive material for electrophotography that comprises forming a photosensitive layer on a substrate, wherein said photosensitive layer is constructed by laminating a charge transfer layer, a first charge carrier generating layer and a |
| 4720632 |
Synchronizing light beam detector |
January 19, 1988 |
| A synchronizing light beam detecting apparatus is provided in a light scanning system, such as a laser printer, which includes a light source for emitting a light beam, a polygonal mirror driven to rotate for deflecting the light beam over a predetermined angle repetitively, and a f. |
| 4716220 |
Disazo compounds with xanthone nucleus for electrophotography |
December 29, 1987 |
| The present invention provides a tetrazoneum salt compound represented by the general formula (I): ##STR1## (wherein, X stands for an anion functional group); a disazo compound represented by the general formula (II): ##STR2## wherein, A stands for ##STR3## (wherein, |
| 4714667 |
Optical information recording medium |
December 22, 1987 |
| The present invention relates to an optical information recording medium comprising a recording layer applied directly on a substrate or applied on a substrate by intervening an underlayer therebetween, and further comprising a protective layer on said recording layer if necessary, c |
| 4708921 |
Photosensitive material containing disazo compound for use in electrophotography |
November 24, 1987 |
| The present invention relates to a photosensitive material for use in electrophotography, characterized by having a photosensitive layer containing a disazo pigment having the following general formula (I), ##STR1## wherein A represents a coupler residue. |
| 4707431 |
Optical information recording medium |
November 17, 1987 |
| This invention relates to an optical information recording medium comprising a substrate provided at least with an underlayer and a recording layer thereon, said underlayer being prepared by curing a light-curable composition containing a reducing agent, a photo-polymerization initia |
| 4703923 |
Recirculating automatic document feeder |
November 3, 1987 |
| A document feeder is disclosed wherein a document stack is bent or curved when it rests on a fixed curved stackholding tray. A stack of paper becomes rigid when curved, and therefore, capable of being raised by applying an upward force along the curved edge on each end of the stack p |
| 4703330 |
Color ink jet drop generator using a solid acoustic cavity |
October 27, 1987 |
| The drop projection device has an array of nozzles communicating with an ink cavity fed from an associated pressurized ink reservoir and has an acoustic cavity closely associated with the ink cavity. The acoustic cavity is filled with a solid material, and may be separated from the ink |
| 4702979 |
Method of forming image |
October 27, 1987 |
| This invention relates to a method of forming an image, characterized by applying voltage on a photosensitive material having a photoconductive layer and an electroconductive layer on a substrate in such a manner as to make said electroconductive layer positive and said photoconductive l |
| 4702964 |
Fixing roll |
October 27, 1987 |
| A fixing roll characterized by crosslinking its surface with a rubber compound consisting essentially of a methyl vinyl system silicone raw rubber and silica and forming thereon a silicone rubber layer having a crosslinking density of 1.times.10.sup.-4 .about.8.times.10.sup.-4. |
| 4700659 |
Developing unit of dry type |
October 20, 1987 |
| A developing unit is disclosed which utilizes a two-component developer comprising a toner and a carrier to develop an electrostatic latent image formed on a photosensitive member. The unit comprises a doctor for controlling the amount of developer supplied onto a developing sleeve, a |
| 4700203 |
Ink jet head for compressing ink to eject drops of ink |
October 13, 1987 |
| An ink jet head for compressing ink in an ink chamber to eject a drop of the ink from a nozzle. Ink compressing means for compressing the ink in the ink chamber by expanding and contracting in response to a voltage applied thereto is made of a piezoelectric high molecular substance. The |
| 4700125 |
Power supply switching circuit |
October 13, 1987 |
| A power supply switching circuit for supplying a pair of power supply voltages different in level, such as programming voltage V.sub.pp and reference voltage V.sub.cc, selectively is provided. The circuit includes a plurality of P-channel and N-channel MOS transistors which are appro |
| 4696892 |
Optical information recording medium |
September 29, 1987 |
| This invention relates to an optical information recording medium, characterized in that on a substrate there is applied a coloring matter film chemically inert to said substrate, said coloring matter film having an extinction coefficient of at least 1. |
| 4695848 |
Inkjet printing system |
September 22, 1987 |
| An inkjet printing system has a drop generator with a nozzle fed by a pressurized ink source to cause a continuous stream of ink to break into synchronized droplets. A pair of electrodes positioned on either side of the path followed by the droplets are controlled in a time multiplex mod |
| 4690881 |
Liquid developer for electrophotography |
September 1, 1987 |
| The present invention relates to a liquid developer for electrophotography having a solid content of not less than 10% by weight and the diffusion speed (as defined in the specification) of not lower than 1 mm/min., which comprises a toner containing a coloring agent covered with a resin |
| 4690861 |
Magneto optical recording medium |
September 1, 1987 |
| A magneto optical recording medium comprising laminating a reflective layer, a dielectric undercoat layer and a hexagonal magnetoplumbite-type metal oxide magnetic layer on a substrate in order, characterized by that said magnetic layer is made an excellently C axis - orientated perp |
| 4680592 |
Image formation method subliming ink through a gas permeable membrane |
July 14, 1987 |
| An image formation method wherein a thin film of a dyestuff liable to sublime or gasify is formed on a gas permeable film, and a heating element adjacent the back of the gas permeable film is heated in response to an image signal to generate from the dyestuff thin film a dyestuff gas flo |
| 4677257 |
Telematic system and method of controlling the same |
June 30, 1987 |
| In a telematic system, a plurality of response timings for a page boundary command, a page end command and the like from a sending system are prepared. A proper timing is selected in accordance with the type of sending system or an instruction from the sending system. |
| 4672149 |
Photoelectric transducer element |
June 9, 1987 |
| The present invention relates to a photoelectric transducer element comprising a light-transmissive front electrode, a photo-active layer and a back electrode, characterized in that said photo-active layer contains an azo compound expressed by the general formula (I), ##STR1## wh |
| 4666805 |
Photosensitive material containing disazo compound for use in electrophotography |
May 19, 1987 |
| The present invention relates to a novel disazo compound having the following general formula (I), ##STR1## wherein A represents ##STR2## (wherein R represents an alkyl, alkoxy, nitro, halogen, cyano or halomethyl group; n represents an integer of 0, 1, 2 or 3; and R may be |
| 4664841 |
Fine particle substance-containing non-aqueous dispersions |
May 12, 1987 |
| A non-aqueous dispersion in which fine particles having an oil-soluble surface active agent adsorbed or adhered thereon are dispersed in a non-aqueous organic solvent. |
| 4663442 |
Disazo triphenylamine compounds |
May 5, 1987 |
| A disazo compound, having the general formula, ##STR1## wherein Y represents a substituted or non-substituted cyclic hydrocarbon or substituted or non-substituted heterocycle; R represents hydrogen, substituted or non-substituted alkyl group, or substituted or non-substituted phe |
| 4661428 |
Composite photosensitive elements for use in electrophotography and process of forming images us |
April 28, 1987 |
| A composite photosensitive element for use in electrophotography which comprises an electrically conductive substrate and a first photoconductive layer and second photoconductive layer laminated on said substrate in the order named, said first photoconductive layer being a Se-As vapordep |
| 4656257 |
Disazo compound having an anthraquinone nucleus |
April 7, 1987 |
| A disazo compound is provided which is represented by the formula (I): ##STR1## (wherein, R.sub.1 and R.sub.2 each stands for hydrogen, a lower alkyl group with 1-4 carbon atoms, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aromatic group, or a substit |
| 4656121 |
Optical information recording medium |
April 7, 1987 |
| This invention relates to an optical information recording medium having an organic thin film recording layer, and optionally having an underlayer and/or protective layer, characterized in that at least one of said recording layer, underlayer and protective layer contains a compound |
| 4652514 |
Optical information recording medium |
March 24, 1987 |
| An optical information recording medium which comprises the provision of a thin film (recording layer) formed of a cyanine coloring matter and a transition metal complex being superior in long wavelength range light absorbability to said coloring matter on a transparent or opaque substra |
| 4634651 |
Non-aqueous type resin and electrophotographic developer containing the same |
January 6, 1987 |
| This invention relates to a non-aqueous type resinous composition obtained by polymerizing a polymerizable composition containing at least monomer A represented by the general formula (I), ##STR1## (wherein R represents --H or --CH.sub.3, X representing --COOC.sub.n H.sub.2n+1 or |
| 4629345 |
Printer cartridge and cartridge retaining means |
December 16, 1986 |
| A printer having a daisy type-wheel or the like comprises a carrier longitudinally movable along a platen and a carriage detachably and pivotally mounted on the carrier. Mounted on the carriage are a ribbon cartridge, the type-wheel, a hammer assembly and a magnet assembly for actuat |
| 4627997 |
Thermal transfer recording medium |
December 9, 1986 |
| The present invention provides a fluorescent thermal transfer recording medium that comprises forming a thermally meltable inking layer consisting essentially of a fluorescent substance, a coloring agent, waxes and a binder on a heat resisting substrate. |
| 4626496 |
Optical information recording medium |
December 2, 1986 |
| The present invention provides an optical information recording medium comprising, on a substrate, a recording layer consisting essentially of a double salt of an organic dye cation and a metal complex anion or a recording layer consisting essentially of said double salt and an organic |
| 4626486 |
Electrophotographic element comprising alloy of selenium and tellurium doped with chlorine and o |
December 2, 1986 |
| The electrophotographic element comprising mounting on an electrically conductive substrate a Se-Te-Cl alloy system photoconductive layer which contains Te in the range of 6 to 12 wt. % of Se, Cl in the range of 10 to 30 ppm of the total amount of Se and Te and O.sub.2 as impurity 10 ppm |
| 4619878 |
Tetrazonium salt compound, disazo compound, method for preparing the same, and photosensitive ma |
October 28, 1986 |
| The present invention relates to a tetrazonium salt compound having the following general formula (I), ##STR1## wherein X represents an anion functional group. The present invention further relates to a disazo compound having the following general formula (II), ##STR2## w |
| 4618958 |
Device for controlling the radiating output of a semiconductor laser |
October 21, 1986 |
| A device detects the radiating output from a semiconductor laser and compares a detected signal with a reference signal in a comparator. An up/down counter is controlled an output signal from the comparator to supply the semiconductor laser with a current proportional to a count outp |
| 4618558 |
Liquid developer for use in electrostatic photography |
October 21, 1986 |
| A liquid developer for use in electrostatic photography which comprises further containing wax in toner particles consisting essentially of a colorant and a resin as well as mixing with and including among the wax-containing toner particles a filler for preventing transfer-crush comp |
| 4614705 |
Optical information recording medium |
September 30, 1986 |
| This invention relates to an optical information recording medium comprising a substrate, recording layer, under layer and/or under layer having an information track of concavo-convex pattern, characterized in that said under layer on the substrate is formed by curing a light-curable |
| 4610529 |
Apparatus for recording color images |
September 9, 1986 |
| An apparatus for recording color images of an original in color including three photosensitive drums capable of rotating in the normal direction and in the reverse direction. Each photosensitive drum has an outer peripheral surface of an area and an axial length large enough to accommoda |
| 4603087 |
Fixing roll |
July 29, 1986 |
| A fixing roll which comprises crosslinking a rubber compound containing a methyl vinyl system silicone raw rubber and silica so as to have a crosslinking density of 6.times.10.sup.-4 mole/cc and forming a coated layer. |
