| Patent Number |
Title Of Patent |
Date Issued |
| 4394923 |
Threaded cap with inner plug |
July 26, 1983 |
| A bottle cap composed of a cap body and an inner plug to be fitted inside the cap body. The cap body has an annular groove in the upper part of the inner wall. The inner plug is provided, at the uppermost part of the pot-shaped plug body, with an outwardly extending annular radial flange |
| 4393452 |
Method of reproducing a picture having improved resolution |
July 12, 1983 |
| In a picture processing method, the density data of picture elements in a particular picture element region in a 4.times.4 arrangement which is provided by decomposing an original picture into a number of picture elements are subjected to n-base quantization to provide density levels |
| 4393385 |
Controllable ink drop velocity type ink-jet printer |
July 12, 1983 |
| Depending upon a position in a dot matrix where an ink drop is to be deposited, the velocity imparted to that ink drop is controlled. The ink drop is charged by a charge electrode impressed with a constant charging voltage and deflected by a pair of electrodes impressed with a constant |
| 4388627 |
Ink-jet printing head |
June 14, 1983 |
| In an ink-jet printing head of the type in which the front end of an ink distribution tube is formed with a nozzle hole and the rear end thereof is terminated into a spigot and inserted into one end of the ink supply tube and rigidly connected thereto, a resonance adjusting means has an |
| 4388395 |
Liquid developer for use in electrophotography |
June 14, 1983 |
| A liquid developer for use in electrophotography is disclosed which is prepared by dispersing a toner consisting essentially of a pigment or dye and a resin in a carrier liquid having a high insulating property and a low dielectric constant, wherein said resin is a nonaqueous dispersed |
| 4388393 |
Hydrazone compound, with hydroxyethyl group in charge transfer layer |
June 14, 1983 |
| A novel hydrazone compound having the following general formula I is disclosed, along with, a manufacturing process for same and a layered electrophotographic element comprising, in successive layers, an electrically conductive substrate, a charge carrier generating layer and a charg |
| 4388362 |
Released heat-sensitive recording paper |
June 14, 1983 |
| A releasable heat-sensitive recording paper is disclosed wherein a heat-sensitive color forming layer and a protective layer are laminated in succession on the surface of a substrate, said color forming layer consisting essentially of a leuco dye and an acidic substance, said protect |
| 4387384 |
Recording device |
June 7, 1983 |
| Characters, numerals and other symbols are formed with dots placed on a recording paper by a printing stylus thrust through a thin ink film formed in front of the recording paper. |
| 4387147 |
Electrophotographic element containing hydrazone compounds in charge transport layers |
June 7, 1983 |
| An electrophotographic element which comprises a conductive substrate and a photosensitive layer, superposed thereon, consisting of a charge generation layer and a charge transport layer, said charge transport layer containing as an available ingredient a hydrazone compound having the |
| 4385106 |
Charge transfer layer with styryl hydrazones |
May 24, 1983 |
| The present invention provides a novel hydrazone compound expressed by the general formula I ##STR1## (wherein Ar represents substituted or non-substituted naphthyl group, anthryl group, styryl group, pyridyl group, thienyl group, furyl group or carbazolyl group.);the process for |
| 4381547 |
Picture deforming process |
April 26, 1983 |
| In a process of geometrically deforming an original picture by changing the picture element pitches, weight coefficients g calculated for the picture elements according to preselected magnification variation factors are read out of a first memory whenever original picture data F are read |
| 4381513 |
Deflection plates for electrostatic ink-jet printer |
April 26, 1983 |
| Deflection plates for electrostatic ink-jet printers in which the leaving and entering ends of the deflection plates are tapered or curved outwardly away from each other or formed with notches in parallel with the flight path of ink drops. |
| 4378077 |
Feeder cap |
March 29, 1983 |
| A feeder cap used for liquid containers of duplicating machines, etc. The feeder cap comprises a cap body provided on its inner surface with a threaded portion fitting the threaded mouth of a container, a hollow cylinder through which liquid is supplied from the container, the hollow |
| 4375644 |
Photoelectric element, picture-reading device including the same, and process for production the |
March 1, 1983 |
| A photoelectric device comprises a substrate, a counter electrode, and a photoelectric element interposed therebetween in deposited state and comprising, in successively deposited state, a transparent electroconductive film, a CdS film, a CdTe film, and an As.sub.2 Se.sub.3 film. Thi |
| 4371878 |
Device for correcting ink dot misplacement in ink-jet printing |
February 1, 1983 |
| In an electrostatic type ink-jet printer of the type leaving "guard drops" between charged drops, an electronic circuit is provided which generates charge-enabling signals in response to which guard drops are charged. When a sync signal is generated which synchronizes the rotation of a r |
| 4365255 |
Ink jet printer |
December 21, 1982 |
| In an ink jet printer of the type wherein an ink jet nozzle continuously ejects the train of ink droplets and only ink droplets which are directed towards a recording surface are electrically charged and deflected by a pair of deflection electrodes so as to dot-form a character, a pair o |
| 4365209 |
Impedance transducer |
December 21, 1982 |
| An impedance transducer is shown wherein two active elements of the same characteristics are formed on one thermally conductive base, one of these active elements is connected in a negative feedback circuit of a negative feedback amplifier, and the internal impedance of the other of thes |
| 4364069 |
Multi-ink jet head |
December 14, 1982 |
| A multi-ink-jet head in which a plurality of ink distribution tubes each having a nozzle at one end thereof are extended in parallel with each other at a predetermined pitch and n piezoelectric element arrays are mounted on the tube array in such a way that each piezoelectric element |
| 4364060 |
Nozzle position deviation compensation arrangement for ink jet printing device |
December 14, 1982 |
| In an ink jet printing device wherein when a number of n nozzles are sequentially arranged in the direction of transport of recording paper and spaced apart from each other by a distance corresponding to m characters or ink dots so that when ink dots discharged from each nozzle are arran |
| 4364057 |
Electrostatic ink-jet printer |
December 14, 1982 |
| An ink-landing-position control electrode is provided in such a way that one end of the control electrode is positioned adjacent to the back of a recording medium in opposed relationship with a predetermined position on the recording medium at which a charged ink drop must be deposited. |
| 4362409 |
Automatic sheet feeding system of a printing apparatus |
December 7, 1982 |
| An automatic sheet feeding system of a printing apparatus comprising a platen, a printing head, a sheet ejecting stacker and a sheet feeding stacker. The platen remains stationary when the leading edge of a sheet fed by the sheet feeding roller has abutted against the platen, whereby |
| 4361838 |
Remote meter reading arrangement |
November 30, 1982 |
| A remote meter reading arrangement in which power for the remote terminal is supplied from the data collection terminal by transmission lines. At the moment power is applied to the remote terminal, a clock pulse generator in the remote terminal is supplied with power and begins to ge |
| 4360883 |
Method of restoring a picture cell by estimation with high density |
November 23, 1982 |
| Out of nine equal square picture cells forming a picture, only four picture cells surrounding the central picture cell which is to be restored by estimation are utilized. The central picture cell is divided into four equal square sub-cells. The densities of the sub-cells are determined f |
| 4360580 |
Liquid developer for use in electrostatic photography |
November 23, 1982 |
| A liquid developer for use in electrostatic photography is prepared by blending in a carrier liquid having a high electric resistivity and a low dielectric constant, (1) a resin dispersion composition A comprising a polymer obtained from at least one kind of resin which is difficult to |
| 4356555 |
Method of restoring a picture cell by estimation with high density |
October 26, 1982 |
| A picture is divided into equal square picture cells, and the picture cells are sampled in such a manner that the sampled picture cells form a checkered pattern. The density of the non-sampled picture cell is outputted as four data by using the four sampled picture cells surrounding |
| 4356499 |
Ink-jet recording device |
October 26, 1982 |
| An ink-jet recording device in which the pressurized ink is supplied from a single source of pressurized ink to an ink manifold with one inlet port and a plurality of outlet ports each of which is connected to one end of a flexible pipe the other end of which is connected to an ink emiss |
| 4355337 |
Method of restoring pictures with high density |
October 19, 1982 |
| In a picture restoring method, an original picture is read with low density into picture elements arranged in the form of a grid, and the density data of the picture elements is subjected to decimal quantization to provide the density level of the picture elements. According to the decim |
| 4349616 |
Disazo pigment containing electrophotographic element |
September 14, 1982 |
| An electrophotographic element comprising an electrically conductive substrate and a monolayer or multilayer type photo-sensitive layer, superposed thereon, containing as an effective ingredient a disazo pigment having the general formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup |
| 4348786 |
Opening and closing apparatus |
September 14, 1982 |
| An opening and closing apparatus comprises a swingable member, spring means and resilient restoring force transmission means for transmitting the resilient restoring force of the spring.The swingable member is supported pivotally by the support means so as to be opened and closed with re |
| 4348470 |
Electrophotographic element containing disazo compounds |
September 7, 1982 |
| The present invention provides an electrophotographic element which comprises a charge generating layer and a charge transport layer formed, in order, on an electroconductive substrate, said charge generating layer comprising a disazo pigment expressed by the general formula: ##STR1# |
| 4348106 |
Guide apparatus for movable contact glass in electrophotographic copying machines |
September 7, 1982 |
| A guide apparatus for guiding a movable contact glass, which serves as an original table in an electrophotographic copying machine, to a predetermined exposure position for slit exposure, without any inclination of the contact glass, comprising a drive member for reciprocating the co |
| 4346389 |
Multiple charge electrode device for liquid jet printer |
August 24, 1982 |
| In a multiple charge electrode device for a liquid jet printer of the type in which a charge electrode unit, a shield plate and a charge sensor plate unit are overlaid, the charge electrode unit or said charge sensor plate unit has a single insulating substrate, a plurality of slots or n |
| 4343768 |
Gas detector |
August 10, 1982 |
| A gas detector of the type using an electric heater in which a substrate consists of an upper film of electrically insulating substance having a resistance to heat and a lower film of substance different from the substance of the upper film, a recess is formed below or under the upper |
| 4338612 |
Multiple deflection plate device for liquid jet printer or the like |
July 6, 1982 |
| A multiple deflection plate device for a liquid jet printer or the like in which a plurality of deflection plate units each consisting of a substrate of an insulating material and having a thin-film pattern of a deflection plate and its connecting line formed on one or both surfaces of t |
| 4337468 |
Method and device for controlling concentration of ink for ink-jet printer |
June 29, 1982 |
| In an ink-jet printer or the like, in order to maintain a predetermined concentration of ink, a diluent equal in quantity to the solvent of ink, which has been evaporated, is supplemented to the ink recirculation system. |
| 4337426 |
Stabilized servo motor positioning apparatus |
June 29, 1982 |
| A photoelectric transducer (14) produces first and second periodic signals (A), (B) which are 90.degree. out of phase with each other in response to rotation of a servo motor shaft (12a). The first and second signals (A), (B) are differentiated, directly full wave rectified and summed to |
| 4335420 |
Corona discharge device |
June 15, 1982 |
| The invention relates to a corona discharge device of the scorotron system which is used for electrophotographic copying machines. According to the device the invention, an impedance element 11 is connected between grid wires 6 and the ground, and generates a voltage depending upon a cor |
| 4334751 |
Easy-to-load roll-film camera |
June 15, 1982 |
| A camera of the type wherein a perforated strip of film is unrolled from a magazine in a magazine chamber at one end of the camera body and wound up by a takeup spool in a spool chamber at its opposite end. In order to afford easy loading of the film, the takeup spool is provided with on |
| 4332884 |
Photo-sensitive and heat-sensitive composition and recording element using same |
June 1, 1982 |
| A photo-sensitive and heat-sensitive composition consisting essentially of (a) a photooxidant, (b) a color-generator generating color when oxidized, (c) an acid promoting said color generation, (d) a cobalt (III) complex, (e) a photoreductant, (f) a hydrogen donator and (g) a chelating a |
| 4329416 |
Methods for preparing plural layer organic electrophotographic elements |
May 11, 1982 |
| A method for preparing an electrophotographic element wherein in the formation of a co-crystalline complex photosensitive layer a conducting substrate or another photosensitive layer is over-coated with a solution consisting essentially of a pyrylium dye and an electric insulating po |
| 4327284 |
Focusing detection device |
April 27, 1982 |
| A focusing detection device is disclosed wherein an electric output obtained by sequentially driving a group of photoelectric elements disposed adjacent to one another on an imaging surface is sampled and held for part or the entirety of the output of a photoelectric converter, this |
| 4327168 |
Electrophotographic element containing disazo pigment charge generating material |
April 27, 1982 |
| An electrophotographic element comprising an electrically conductive support and a mono-layer or multi-layer type photosensitive layer, superposed thereon, containing as an active ingredient a disazo pigment having the following general formula: ##STR1## where Ar is a substituted |
| 4325601 |
Optical scanning device |
April 20, 1982 |
| An optical scanning device shifting an optical spot on the scanning surface by rotating a hologram record medium on which a hologram is recorded, is so improved that, in recording a hologram, the incident angle of the principal ray of an object light and the incident angle of the princip |
| 4323974 |
Method of restoring a picture through estimation |
April 6, 1982 |
| In a picture restoring method, an original picture is divided into picture elements arranged in matrix form, the picture elements are grouped into picture element regions each of which has an arrangement of nxn picture elements, and each picture element region is divided into a minute pi |
| 4322732 |
Ink jet recording method |
March 30, 1982 |
| An electrostatic type ink-jet recording method wherein ink drops issuing from a nozzle are never placed adjacent one another in the direction of the deflection. According to one embodiment of the present invention, when a number of n contiguous ink dots are to be formed in each column in |
| 4322157 |
Copying machine |
March 30, 1982 |
| In a copying machine, a predetermined part of image data read out of an original by an original reader is extracted and is temporarily stored as variable data to be edited in a first memory, while fixed data necessary for forming documents from the original are stored in a second memory, |
| 4316262 |
Remote meter reading system |
February 16, 1982 |
| A remote meter reading system in which clock pulses are transmitted to a selected remote terminal to charge a capacitor there which acts as the terminal power supply. Subsequent clock pulses reset a ten-stage bit counter and four-stage digit counter, after which additional clock pulses |
| 4315068 |
Photo-sensitive and heat-sensitive composition and recording element using same |
February 9, 1982 |
| A photo-sensitive and heat-sensitive composition consisting essentially of (a) a photooxidant, (b) a color-generator generating color when oxidized, (c) an acid promoting said color generation, (d) a cobalt (III) ammine and/or amine complex, (e) a photoreductant, (f) a hydrogen donator, |
| 4314016 |
Electrophotographic element having a bisazo photoconductor |
February 2, 1982 |
| An electrophotographic element utilizing as a charge generation material a disazo pigment having the following general formula: ##STR1## where R.sup.1 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy, nitro, dimethylamino, diethylamino or phenyl; m and n are each an |
| 4314015 |
Electrophotographic sensitive materials containing disazo compounds |
February 2, 1982 |
| The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingre |
