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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 IMAGE FORMING ELEMENT CONTAINING ELECTRICALLY CONDUCTIVE LAYER CONTAINING ACICULAR METAL-CONTAINING PARTICLES AND TRANSPARENT MAGNETIC RECORDING LAYER JP29356699 1999-10-15 JP2000122226A 2000-04-28 EICHORST DENNIS J; MAJUMDAR DEBASIS; CHRISTIAN PAUL ALBERT
PROBLEM TO BE SOLVED: To form an electrically conductive layer less liable to the rise of electric resistance in the case of top coating with a transparent magnetic recording layer as well as to provide a useful combination of the transparent magnetic recording layer laminated on the electrically conductive layer containing metal- containing particles dispersed in a polymer coating film forming binder without deteriorating the physical and chemical properties of the electrically conductive layer. SOLUTION: The image forming element contains a substrate, at least one image forming layer laminated on the substrate, a transparent magnetic recording layer and at least one electrically conductive layer containing crystalline electrically conductive acicular metal-containing particles dispersed in a sulfonated polyurethane coating film forming binder. The transparent magnetic recording layer contains magnetic particles dispersed in a 2nd coating film forming binder and is laminated on the electrically conductive layer.
82 SPHERICAL MAGNETIC PARTICLE FOR MAGNETIC RECORD MEDIUM JP35311998 1998-12-11 JPH11242813A 1999-09-07 JEFFERS FREDERICK J; WEST BRADFORD DRAKE; JAMES ROBERT OWEN; CHAMBERLAIN IV FREDERICK R; SMITH NEIL; WEXLER RONALD M
PROBLEM TO BE SOLVED: To permit the production of a magnetic record medium which is magnetically isotropic by using spherical or substantially spherical magnetic particles to produce the medium. SOLUTION: Although spherical particles rotate a little by the influence of shear torque of a viscous fluid, no relation exists between the anisotropic axis and the direction of shear rotation because of the spherical shape. The other particles rotate in the different direction in a same amt. against the whole particles rotated in the prescribed direction. Therefore, a magnetically isotropic layer or a wholly magnetized card becomes an imaged supporting body. The magnetic force to hold the particles together owing to the point contact is comparatively low in the spherical particles having a high coercive rate 270, in the aggregation 290 of the spherical particles and in the contact 300 only at one point generated between the particles and the aggregated particles are easily dispersed. Since the particles have high resistance against fracture in the dispersion because of the spherical shape, the spherical particles can be extremely well dispersed. Thus, a medium with a low noise in which the magnetic characteristics are not deteriorated by fracture of the particles can be obtd.
83 IMAGE FORMING ELEMENT JP1421898 1998-01-27 JPH10213878A 1998-08-11 NAIR MRIDULA; GEORGE LESSELY OLTEEN; TAMARA KAI OSBERN
PROBLEM TO BE SOLVED: To provide an image forming element having a transparent magnetic recording layer in which the wearing area of the contact face is controlled to the min. and magnetic characteristics, photographic performance, lubricating property, durability and scratching resistance are improved. SOLUTION: This image forming element consists of a supporting body, at least one image forming layer formed on one surface of the supporting body, and a transparent magnetic layer formed on the supporting body. The transparent magnetic layer contains magnetic particles, fluorinated polymer particles having 0.01 to 1.5μm particle size, and a water-dispersible binder. The weight ratio of the magnetic particles to the water-dispersible binder ranges 0.1:100 to 30:100.
84 JP24190090 1990-09-12 JP2669563B2 1997-10-29
85 JP22325890 1990-08-24 JP2655200B2 1997-09-17 MORI HIROYUKI
86 PHOTOGRAPHIC ELEMENT JP1943895 1995-02-07 JPH07281331A 1995-10-27 ROBAATO OOUEN JIEEMUSU; ROORENSU AREN ROURII; JIYOSEFU ANSONII BAADON; RONARUDO MAIRON UETSUKUSURAA
PURPOSE: To provide a photograph element which has improved magnetic performance and photograph performance and has a transparent magnetic recording layer, having improved traveling durability, wear resistance and rubbing flaw resistance. CONSTITUTION: This photographic element is constituted to include a base, carrying a photosensitive layer and transparent magnetic recording layer formed on the base. The magnetic recording layer includes a transparent polymer binder, ferromagnetic particles and reinforcing filler particles. These magnetic particles have a surface area exceeding 30m<2> /gm and a coated amt. of 1×10<-11> to 1×10<-10> mg/μm<3> . The filler particles have a central value diameter smaller than 0.15μm and Mohs hardness of at least 6. The filler particles exist in the transparent magnetic layer in an amt. of 20 to 300%, based on the weight of the polymer binder.
87 SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL HAVING GOOD CARRYING PROPERTY AND MAGNETIC RECORDING PROPERTY JP4004793 1993-03-01 JPH06250329A 1994-09-09 KUDO KAZUYOSHI; MICHIHASHI ISAMU; KURACHI IKUO
PURPOSE:To obtain a proper curling balance and durability of antistatic property and to enable stable magnetic recording by forming at least one silver halide emlusion layer on one side of a supporting body and forming a specified back layer on the other side. CONSTITUTION:At least one silver halide emlusion layer is formed on one side of a supporting body, and a back layer is formed on the other side of the supporting body. The back layer contains inorg. particles at least the surface of which consists of water-insoluble metal oxide. These particles are incorporated by 3.5-10.0g/m<2> and by 75.0-660wt/% of the binder. As for a polymer resin used for the supporting body, terephthalic acid-base polyester or triacetylcellulose is preferable. The terephthalic acid-base polyester is polyethylene terephthalate. The inorg. particles incorporated into the back layer are metal oxide particles at least the surface of which is insoluble with water. For example, these particles may be prepared as whole of the particle consisting of water-insoluble metal oxide, or the oxide may be doped with a small amt. of metal.
88 FILM CARTRIDGE HOUSING CASE JP2689993 1993-02-16 JPH06242553A 1994-09-02 INOUE MANABU; HAMAGUCHI KOJI; KAKUDOU KIYOUKO; NODA TOKUHIRO; NANBA KATSUYUKI
PURPOSE:To simultaneously reduce an image and sound on an developed film and to facilitate operation and maintenance by setting the developed film to a film video player as the film is housed in a case. CONSTITUTION:A film cartridge 5 housing the developed film F in a state where the film can be fed through a film exit 50, and an audio cassette 6 in which a magnetic tape T is housed and also recording and reproducing are performed on the tape T through a tape exposing port 60 are attachably/ detachably housed. In the housing condition. the film exit 50 of the film cartridge 5 and the tape exposing port 60 of the audio cassette 6 are exposed from an internal case 3. The developed film F and the magnetic tape T can be reproduced in a condition where the film cartridge 5and the audio cassette 6 are housed in the internal case 3.
89 PROJECTION FILM JP36216792 1992-12-28 JPH06202285A 1994-07-22 UENO MASATOSHI; MIYAMORI SHINJI
PURPOSE:To effectively relieve the film against long burst errors, such as flaws, and to record audio data by a coding system at a high coding rate at the time of digitally recording the audio data on a projection film. CONSTITUTION:The projection film 1A has right and left digital audio data recording part 18, 20 of two tracks for recording the same coded audio data in addition to frame-shaped video recording parts 10, an analog audio data recording part 16 and right and left perforations 12, 14. More adequately, coding parameters for the audio data, the coded audio data and the same parameters as the coding parameters are written twice by using an ATRAC coding system. The coding parameters written twice are recorded by alternating the tracks in such a manner that the coding parameters are recorded in the right side audio data recording part 20 opposite to the left side audio data recording part 18 when the coded audio data is recorded in the left side audio data recording part 18 as regards to, for example, a certain channel.
90 MAGNETIC READOUT AND/OR RECORDING DEVICE USED IN PHOTOGRAPHIC APPARATUS JP15211693 1993-06-23 JPH06124515A 1994-05-06 JIEFURII RICHIYAADO SUTOONHAMU; DEBITSUDO KURINTON SUMAATO
PURPOSE: To prevent the horizontal curl of photosensitive material. CONSTITUTION: A camera 18 includes a magnetic reading and/or recording device with a magnetic reading and/or recording head 40 reading and/or recording information from/onto a magnetic information track 12 on a photosensitive material 18. An edge following device means including first and second edge following devices which are positioned on a side opposed to an exposed opening 30 and tracks the vertical edge of the photosensitive material 12 corresponding to the operation of the photosensitive material 12 is arrayed with a bending means 50. The bending means 50 curves the photosensitive material 12 vertically to the horizontal curl to remove the horizontal curl. By bending the photosensitive material 12 the horizontal curl of the photosensitive material is removed and a rigid edge for the edge following device to track the vertical edge is provided. It is desirable to bend the photosensitive material 12 in a direction opposite to a natural vertical curl. The recording face 52 of the magnetic reading and/or recording device is provided with a prescribed radius for bending the photosensitive material 12 at one vertical edge of the photosensitive material in a direction opposite to the natural vertical curl.
91 FILM CARTRIDGE PROVIDED WITH SOUND RECORDING MEDIUM JP25832192 1992-09-28 JPH06110161A 1994-04-22 INOUE MANABU; HAMAGUCHI KOJI; KONISHI YOSHITO; KAKUDOU KIYOUKO; NANBA KATSUYUKI
PURPOSE:To simultaneously reproduce a film image and a sound and to facilitate handling and keeping. CONSTITUTION:A tape housing part 11 where the recording/reproducing of a housed magnetic tape 114 can be performed through an aperture 111 is attached to a film housing part 10 where the housed exposed film is fed and rewound from a film exit 101. Then, the film image and the sound are simultaneously reproduced. The film and the magnetic tape 114 are integrally handled and easily kept.
92 JP50446391 1991-01-30 JPH05503591A 1993-06-10
93 JP7715683 1983-04-28 JPH0481178B2 1992-12-22 NAKAMURA SHINICHI
94 IMAGE INFORMATION RETRIEVING METHOD JP3948391 1991-02-08 JPH04256952A 1992-09-11 OTANI SHINICHI
PURPOSE:To facilitate retrieval by recording index information in quantities without separating image information and the index information, diversifying the index information and functions, and eliminating misretrieval. CONSTITUTION:A photographic sensitive material F which has a transparent magnetic recording layer Fc is exposed to an image by an exposing means B and a magnetic recording means 2 records retrieval information and character information. The retrieval information recorded in the transparent magnetic recording layer of the photographic sensitive material F0 where the information is already recorded is read out by a retrieval information read means 19 and the character information on the photographic sensitive material F0 is read out by a character information read means 24. The specified information- recorded photographic material F0 is disclosed by an image information read means D.
95 PHOTOSENSITIVE SHEET ROLL AND IMAGE FORMING DEVICE JP28124490 1990-10-19 JPH04156451A 1992-05-28 OHASHI TSUTOMU
PURPOSE:To attain an accurate cutting of a photosensitive sheet and an accurate sensing of a remained number of sheets by a method wherein various information are written into the photosensitive sheet by an infrared ray absorption material for absorbing infrared rays without giving any influence to a formation of image. CONSTITUTION:A surface of a photosensitive sheet 2 is provided with linear markers 101 by infrared ray absorption material at a predetermined interval L for cutting a rolled photosensitive sheet at a desired length. The infrared ray absorption material may absorb only an infrared ray and the photosensitive sheet 2 has a sensitivity against a visual light only, so that it does not provide any influence against forming of an image. Bar codes 102 are disposed between the markers 101 and numbers indicating a remaining number of markers 101 are described by the infrared ray absorption material in the same manner as that of the marker. The markers 101 and the bar codes 102 are read by the infrared rays. With such an arrangement, it is possible to perform an accurate cutting of the photosensitive sheet and an accurate sensing of a remained number of sheets.
96 SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL JP22325890 1990-08-24 JPH04104245A 1992-04-06 MORI HIROYUKI
PURPOSE:To obtain a magnetic recording layer near to neutral gray and superior in magnetic characteristics and high in transparency by incorporating hexagonal flat barium ferrite magnetic particles and specifying the grayness of the magnetic recording layer. CONSTITUTION:At least one photosensitive silver halide emulsion layer and at least one transparent magnetic recording layer containing the hexagonal flat barium ferrite magnetic particles and having a grayness of >=70% are formed on a film support. The grayness means a ratio of maximum value to minimum value among the transmission densities of the blue, green, and red filter layers, thus permitting the obtained magnetic recording layer to be small in the dependency of an optical density on wavelength and so-called near to neutral gray and transparent.
97 JP4290789 1989-04-11 JPH02134541U 1990-11-08
98 JP144078 1978-01-09 JPS6046423B2 1985-10-16 OOTA HIDEYASU; KOBAYASHI TOORU; MAYAMA MASAYOSHI
99 Laboratory treating method JP7715683 1983-04-28 JPS59201055A 1984-11-14 NAKAMURA SHINICHI
PURPOSE:To execute efficiently an excellent treatment without causing a misoperation by using a signal on a magnetic recording emulsion applied on a color print paper, in a laboratory treating process. CONSTITUTION:A color emulsion is applied on the surface of a barayta coating paper being a supporting body of a color print paper 20, and a magnetic recording emulsion 21 is applied in the shape of a wire on the rear side. The print paper 20 is capable of recording and reading an information to its applied magnetic recording body by providing an input/output mechanism of an information on a treating system in a laboratory, and records a laboratory information, a customer and film information, a print condition information, etc. When the developing treatment is executed in a state of a long size by a processor, a condition of a treating liquid, etc. are controlled by a lot number of the color print paper, and also, after the treatment, its treating condition, etc. are recorded as an information in the magnetic recording body. A cutter, a sorter and bagging are controlled by a computer provided separately, also scarcely require a person's help and processed rationally without causing an error by a magnetic recording information which a color print of one sheet each has.
100 JP13304476 1976-11-05 JPS5357815A 1978-05-25 OOTA HIDEYASU; MAYAMA MASAYOSHI
PURPOSE:To prevent a magnetic recording layer from being removed together with an antihalation layer, etc. during the aqueous treatment step of a movie photographic film, by coating a specified dispersion fluid for the magnetic recording layer and drying this.