Abstract: An information processing device to generate data pertaining to a document from electronic paper which has a display section to display and retain the document, and a memory to store document identification data, includes a document data storage unit which stores document electronic data, a communication unit which acquires document identification data from the electronic paper, a reading unit which scans the display section, a data extraction unit which extracts from the document data storage unit document electronic data corresponding to the document identification data, a difference processing unit which extracts a note image appended on a surface of the display section according to a difference between an image from the extracted document electronic data and an image of the scanned display section, and a data generation unit which associates data of the extracted appendix image and the extracted document electronic data, thereby generates data pertaining to the document.

Abstract: An information management system which enables analysis on basis of a processing history of content with use of a portable displaying-and-recording medium, includes a log recording function of managing user identification data to specify a user who owns the portable displaying-and-recording medium and content identification data to specify content, and recording the user identification data and the content identification data in an associated manner after the user performs processing of the content. Preferably, the portable displaying-and-recording medium records/retains data in a state where content is displayed and is capable of rewriting the content.

Abstract: A delivery system that delivers a tangible delivery article includes a mail-receiving apparatus to receive the tangible delivery article which has been delivered. Preferably, a data storage device to retain electronic data is attached to the tangible delivery article, the data storage device includes a first radio section to transceive electronic data by means of radio transmission, and a memory to retain electronic data, and the mail-receiving apparatus includes a receipt detection unit to detect loading of the tangible delivery article into the mail-receiving apparatus, and a second radio section to transmit electronic data on loading time by means of radio transmission so that the data storage device receives the electronic data.

Abstract: A display and record medium includes a digital information record section, which is implemented as an IC memory and can record record information in noncontact, and an information display section implemented as a liquid crystal display medium of light write type into which display information can be written. A digital information rewrite section of an information writer communicates with the digital information record section of the display and record medium by electromagnetic waves to rewrite record information as required. A display information rewrite section of the information writer irradiates an optical pattern to the information display section of the display and record medium to rewrite display information. It is possible to rewrite both digital information and display information concurrently in noncontact.

Abstract: While names of data and icons are displayed on a selection-purpose display medium, a user selects data. Since the selection-purpose display medium is constituted by such a display medium capable of displaying a moving picture, operability by the user may be guaranteed. The content of the data which is selected by the selection-purpose display medium is displayed on a contents-display-purpose display medium. Since the contents-display-purpose display medium is constituted by a display medium having a memory characteristic, power consumption may be reduced, and this display medium having the memory characteristic may be dismounted. Since the display screen for the selection operation and the display screen for the contents display operation are separately provided, the user can perform the work by viewing the content of the data in correspondence with the data, so that the work efficiency can be increased.

Abstract: A medium writing apparatus obtains information to be written onto a recording medium, converts the information into a suitable writable format, and then writes the converted information onto the recording medium. An ID obtaining section obtains a medium ID from the recording medium, or through an input by the user. The medium ID and information indicating the place of the written information are sent to a server, and then stored as index information correlating them with each other. When the information written onto the recording medium is to be used at a later timing, the medium ID is identified, and the index information is obtained from the server. Therefore, the original information can be obtained so as to be easily reprocessed-or reused.

Abstract: The present invention provides a display control device which easily recognize the number of connected display media and which always display an optimum image on the respective display media even if an arbitrary display medium is attached or detached.

Abstract: The present invention provides an image-forming device that can record an image onto a rewritable image recording medium. Prior to recording a predetermined image, the medium is set and a test image for measuring the density is recorded thereon. When the density is determined to be within an allowable range, the predetermined image is recorded under certain image recording conditions and then discharged to a discharging tray. However, should the density be outside the allowable range, the conditions are changed and another test image is recorded to the medium. If after repeated density measurements the density is not within an allowable range, the device determines that the medium is defective and discharges it to an error tray.

Abstract: A display and record medium includes a digital information record section, which is implemented as an IC memory and can record record information in noncontact, and an information display section implemented as a liquid crystal display medium of light write type into which display information can be written. A digital information rewrite section of an information writer communicates with the digital information record section of the display and record medium by electromagnetic waves to rewrite record information as required. A display information rewrite section of the information writer irradiates an optical pattern to the information display section of the display and record medium to rewrite display information. It is possible to rewrite both digital information and display information concurrently in noncontact.

Abstract: A printed-matter issuing client takes out contents from a contents management server, and prints the contents on a printing recording part, while at the same time records ID information indicative of a storage location of the contents into an IC chip integrated into the printing recording part. A printed-matter verifying client reads out an image to be verified on a printing surface of a printing recording part, by an information acquiring part, and acquires ID information from the IC chip. The printed-matter verifying client takes out contents from the contents management server according to the ID information, and verifies it with the image on the print surface, and it judges whether the printing recording part is true or false on the basis of the verifying result.

Abstract: A developing method for an image formation system includes the steps of supplying a toner and developing an electrostatic latent image formed on a latent image support of the image formation system with the toner for visualization. A toner amount of a solid area T(g/m.sup.2) has a maximum toner amount per unit area on a recording medium and satisfies the following expression:1.ltoreq.T/a.ltoreq.1.2wherein a=(4.pi./3).multidot.(dt/2).sup.3 .multidot..rho.t({(3).sup.1/2 .multidot.dt.sup.2 /2} (g/m.sup.2), where dt is a toner volume center diameter (m) and st is a toner density (g/m.sup.3). A developing device for developing an electrostatic latent image includes toner amount regulation means for regulating a toner amount that satisfies the above expression.

Abstract: A rotating type developing apparatus, having a plurality of developing devices which convey developer, which at least includes toner and carrier, to a developing roll while accommodating and circulating the developer; and a rotating body which holds and rotates the plurality of developing devices, in a rotating type developing apparatus in which the plurality of developing devices successively oppose a photosensitive drum due to the rotation of the rotating body so as to form a multicolor image, the apparatus having developer supplying equipment which supplies the developer to the developing devices; and collecting equipment which collects excess developer within the developing devices due to the rotation of the rotating body.

Abstract: The present invention provides an electrostatic image developing carrier which exhibits an enhanced maintenance of image quality, can be prevented from being attached to the image and thus can provide an image free of uneven density and background stain and an electrostatic image developer comprising said carrier. A novel electrostatic image developing carrier comprising a ferrite is provided, characterized in that said ferrite has a copper content of from 0.1 ppm to 2,500 ppm, a zinc content of from 0.1 ppm to 5,000 ppm and a nickel content of from 0.1 ppm to 2,000 ppm.

Abstract: A magnetic toner comprising a binder resin, a magnetic substance, and polyolefin fine particles, wherein the content of the magnetic substance is from 20 to 80% by weight, the polyolefin fine particles have a mean dispersed particle diameter of from 0.01 to 0.5 .mu.m, the content of the polyolefin fine particles is from 2 to 20% by weight, and the toner particles have a residual magnetization (.sigma..sub.r) of from 4 to 7.0 emu/g. The magnetic toner has suitability both to printing and to reading with an MICR.

Abstract: A positively chargeable electrophotographic toner is disclosed, which is prepared by adding to toner particles silica fine particles having been surface treated with a homo-or copolymer comprising, as a monomer component, a dialkylaminoalkyl acrylate or a dialkylaminoalkyl methacrylate in the form of a quaternary ammonium salt. The toner has improved fluidity and improved anti-caking properties while exhibiting satisfactory charging properties and environmental stability and causing no image defects.

Abstract: A positively chargeable electrophotographic toner excellent in powder fluidity, circumstance dependency and durability is disclosed. The toner comprises a toner particle and a silica fine particle the surface of which is treated with a substantially water-insoluble or sparingly water-soluble quaternary ammonium salt compound.

Abstract: A dry toner composition containing titanium dioxide particles, the surfaces of the particles comprising an organic compound having a melting point of from about 40.degree. C. to about 150.degree. C.

Abstract: A carrier for use in developing an electrostatic or magnetic latent image in electrophotography, electrostatic recording, electrostatic printing or the like, which carrier is produced by atomizing a molten mixture of a magnetic powder and a binder resin containing a polyolefin and a polyolefin having a functional group. The polyolefin having a functional group is present in an amount ranging from about 50% by weight or less based on the total weight of the binder resin.

Abstract: A toner composition for thermal fixing is disclosed, comprising a colorant, an external additive and a binder resin that contains a thermoplastic resin having a glass transition point of from 20.degree. C. to less than 50.degree. C. and a polyolefin polymer having an average molecular weight of 800 or more, the polyolefin polymer being present in an amount of from 5 wt % to less than 50 wt % of the total binder resin.

Abstract: A carrier for a developer comprising a core material coated with a coating material consisting essentially of a copolymer of vinylidene fluoride and trifluoroethylene or hexafluoropropylene is disclosed. The carrier causes neither fog generation in the initial stage of running nor contamination of a developing machine because of its high rate of charge increase and satisfactory resistance to surface contamination, and exhibits excellent adhesion between the core material and the coating material.