Abstract: Encrypted music data and additional information necessary for accessing a server (30) are copied from a CD-ROM (200) onto a memory card (110). The memory card (110) receives via a digital portable phone network the distribution of a contents decoding key (Kc) necessary for decoding encrypted music data and control information data (AC1) for limiting the number of accesses to the memory card from the server (30).

Abstract: A memory card 110 extracts a session key Ks from the data applied onto a data bus BS3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption key KPcard(1) of memory card 110 based on session key Ks, and applies the encrypted key to a server via data bus BS3. A memory 1412 receives from a server data such as license key Kc, license ID data License-ID and user ID data User-ID encrypted with a public encryption key KPcard(1) differing for each memory card for storage, and receives encrypted content data [Dc]Kc encrypted with license key Kc from data bus BS3 for storage.

Abstract: A novel winding device of special arrangement insusceptible to vibration of a drive motor. A winding roll (2) is supported on a winding arm (1) and combined with a drive motor. The drive motor has a body (3) and a rotary shaft (4) penetrating of the body to project from the opposite sides thereof. Furthermore, a pair of bearings (5) are provided on the winding arm and the rotary shaft is supported rotatably on the opposite sides of the body. A rotation-stop (6) is provided between the winding arm and the body and, in the rotational direction of the rotary shaft, the body is restricted by the rotation-stop and does not rotate. Consequently, a web material can be wound around the winding roll by rotating the winding roll through the drive motor.

Abstract: A novel winding device of special arrangement insusceptible to vibration of a drive motor. A winding roll (2) is supported on a winding arm (1) and combined with a drive motor. The drive motor has a body (3) and a rotary shaft (4) penetrating of the body to project from the opposite sides thereof. Furthermore, a pair of bearings (5) are provided on the winding arm and the rotary shaft is supported rotatably on the opposite sides of the body. A rotation-stop (6) is provided between the winding arm and the body and, in the rotational direction of the rotary shaft, the body is restricted by the rotation-stop and does not rotate. Consequently, a web material can be wound around the winding roll by rotating the winding roll through the drive motor.

Abstract: A memory card includes a user ID hold unit holding user ID data provided to identify the user of the memory card, a first protection information memory unit holding first protection information restricting access to memory card, and a second protection information memory unit holding second protection information restricting access for each content data. Memory card refers to the user ID data to identify the user of the reproduction apparatus of interest and prohibits any unauthorized user from changing first and second protection information.

Abstract: A cellular phone has distributed encrypted content data and an encrypted content key stored in a memory. The encrypted content key data read out from the memory is decrypted by a decryption processing unit using key data Kp stored in a Kp hold unit, and then applied to a audio reproduction module. A decryption processing unit decrypts encrypted content data read out from the memory using a content key Kc extracted by the decryption processing unit to reproduce content data Dc.

Abstract: A memory card performs decryption processing to extract a session key from data applied from a server to a data bus over a cellular phone network. An encryption processing unit encrypts a public encryption key of memory card based on a session key, and applies the same to the server via data bus. A register receives and stores data such as a decrypted license ID and a user ID from the server, and a memory receives and stores encrypted content data applied from a data bus and encrypted with a license key.

Abstract: A method for preparing a resin particle having a large surface area and a shape factor (SF-1) of 110 to 800, which comprises a step of applying a shear force to an aqueous dispersion having a viscosity of 300 to 100,000 mPa·s formed by adding a thickener to an aqueous dispersion containing resin particles, and a subsequent step of decreasing the viscosity of the aqueous dispersion to 200 mPa·s or less by adding a viscosity decreasing agent as necessary. Resin particles obtained by the method can be used as additives for paint, additives for coating materials, powder coatings, additives for cosmetics, resins for slush molding, spacers for use in manufacturing electronic components or devices, standard particles for electronic measuring instruments, toners for electrophotography, toners for electrostatic recording, toners for electrostatic printing, and hot-melt adhesives.

Abstract: A memory card 110 extracts a session key Ks from the data applied onto a data bus BS3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption key KPcard(1) of memory card 110 based on session key Ks, and applies the encrypted key to a server via data bus BS3. A memory 1412 receives from a server data such as license key Kc, license ID data License-ID and user ID data User-ID encrypted with a public encryption key KPcard(1) differing for each memory card for storage, and receives encrypted content data [Dc]Kc encrypted with license key Kc from data bus BS3 for storage.

Abstract: A memory card 110 extracts a session key Ks from the data applied onto a data bus BS3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption key KPcard(1) of memory card 110 based on session key Ks, and applies the encrypted key to a server via data bus BS3. A memory 1412 receives from a server data such as license key Kc, license ID data License-ID and user ID data User-ID encrypted with a public encryption key KPcard(1) differing for each memory card for storage, and receives encrypted content data [Dc]Kc encrypted with license key Kc from data bus BS3 for storage.

Abstract: A method for preparing a resin particle having a large surface area and a shape factor (SF-1) of 110 to 800, which comprises a step of applying a shear force to an aqueous dispersion having a viscosity of 300 to 100,000 mPa·s formed by adding a thickener to an aqueous dispersion containing resin particles, and a subsequent step of decreasing the viscosity of the aqueous dispersion to 200 mPa·s or less by adding a viscosity decreasing agent as necessary. Resin particles obtained by the method can be used as additives for paint, additives for coating materials, powder coatings, additives for cosmetics, resins for slush molding, spacers for use in manufacturing electronic components or devices, standard particles for electronic measuring instruments, toners for electrophotography, toners for electrostatic recording, toners for electrostatic printing, and hot-melt adhesives.

Abstract: An apparatus for slitting a web material such as paper, plastic film and the like into a plurality of web materials and then winding the web materials to form a plurality of rolls, the rolls being divided into two groups, one group of rolls being arranged side by side and coaxially to each other at the front of the apparatus, the other group of rolls being arranged side by side and coaxially to each other at the rear of the apparatus. Tracking rollers are disposed on the upper side of one group of rolls and the upper side of the other group of rolls. Actuators press the tracking rollers against the corresponding groups of rolls with a contact pressure therebetween. One group of rolls and the other group of rolls are supported by carriages. Drives moves the carriages downwardly in response to the increases in diameters of the rolls to thereby enable the rolls to increase in diameters.

Abstract: A photocurable adhesive composition for glass is disclosed, comprising (A) 100 parts by weight of a polyorganosiloxane having an average compositional formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group except for a vinyl group; 0<a.ltoreq.1; 0<b.ltoreq.2; and 1<a+b<3, (B) from 0.1 to 10 parts by weight of an aromatic ketone photo reaction initiator, and (c) from 0.1 to 5 parts by weight of a trialkenyl isocyanurate or a derivative thereof. The composition, when applied between glass plates or between a glass plate and other materials, can be cured with a small curing shrinkage by short-term irradiation of light transmitted by the glass plate. The cured composition exhibits satisfactory adhesion and excellent resistance to moisture and heat.

Abstract: A lubricant for the production of seamless tubes comprising water-insoluble fine synthetic resin particles, fine gilsonite and graphite, in which about 30 parts by weight of water-insoluble fine synthetic resin particles, from about 15 to about 30 parts by weight of fine gilsonite particles and from about 40 to about 55 parts by weight of fine graphite powder are contained.

Abstract: Silicone elastomeric compositions suitable for ultraviolet ray curing comprising:(A) 100 parts by weight of a polyorganosiloxane of the general formula:(CH.sub.3).sub.2 R.sup.1 SiO--R.sub.2.sup.2 SiO].sub.n SiR.sup.1 (CH.sub.3).sub.2 (1)wherein R.sup.1 represents hydrogen or a monovalent radical selected from the group consisting of methyl, vinyl, and hydroxy, R.sup.2 represents hydrogen or a substituted or unsubstituted monovalent hydrocarbon radical, 0.02-49.95% based on the total number of R.sup.1 and R.sup.2 groups are vinyl radicals 0.05-49.98% based on the total number of R.sup.1 and R.sup.2 groups are hydrogen and n represents a number from 10-10,000.(B) 0.5-10 parts by weight of a polyorganosiloxane having an average formula: ##STR1## wherein R.sup.3 represents a substituted or unsubstituted monovalent hydrocarbon radical other than vinyl, a represents a number of 0.01.ltoreq.a.ltoreq. in an average, and b represents a number of 0.ltoreq.

Abstract: In an apparatus for changing the rolling mill rolls and/or disk shoes of a steel pipe rolling mill, the top and bottom rolls vertically movably mounted in the housing are individually placed on a supporting bed positioned below the bottom rolling roll and moved in and out of the mill by way of rails laid in the lower part of the housing, and each of the disk shoes is mounted on a supporting arm which is movable vertically and rotatable thereby making it possible to change the disk shoes even during the operation.

Abstract: In a three-roll Assel mill capable of automatically and rapidly changing the rolls, rails are arranged on an inner housing mounted within each of a fixed housing and a rotary housing to be rotatable along the inner wall thereof, and cradles having rolls mounted therein are placed on the rails, whereby during roll changing the housing proper is shifted and the inner housings are rotated in such a manner that the rails provided on the inner housings are successively aligned with rails laid externally and the rolls are moved in or out of the rolling mill.

Abstract: The present invention relates to an apparatus for changing the rolling-mill rolls and disk shoes of steel pipe rolling mills. The apparatus comprises mechanisms for raising and lowering a top and bottom cradle each holding a roll of a rolling mill and a carriage disposed below the bottom cradle and movable transversely, whereby the cradles are moved in and out of the rolling mill housing transversely by the carriage, and a plurality of holding devices each rotatable about a fixed shaft are selectively positioned opposite to a pair of chocks holding a pair of disk shoes for movement in parallel motion thereby changing the disk shoes.

Abstract: There is provided herein a curable silicone elastomer composition comprising the following components: (A) 100 parts by weight of a polyorganosiloxane having at least two silicon-bonded vinyl groups per molecule, (B) 1 to 300 parts by weight of fine powders of tungsten carbide and (C) a component for crosslinking of said component (A) selected from the group consisting of (1) a combination of (a) 0.1 to 10 parts by weight of a polyorganohydrogensiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule and (b) 0.000001 to 0.1 part by weight of a platinum catalyst; (2) a combination of said (a), (b) and (c) 0.00001 part to less than 0.1 part by weight of an organic peroxide except from organohydroperoxide; (3) a combination of said (a) and (d) 0.00001 part to less than 0.2 part by weight of the reaction product between said (b) and (c); and (4) 0.1 to 3.0 parts by weight of an organic peroxide except from organohydroperoxide.

Abstract: A silicone rubber composition comprising(A) 100 parts by weight of polyorganosiloxane having the formula: ##EQU1## wherein R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group with the proviso that from 0.01 to 0.3% of the R.sup.1 groups are vinyl groups, a is a number of from 1.98 to 2.0001, and n is a number of at least 3,000,(B) 10 to 100 parts by weight of finely divided silica,(C) more than 5 to 20 parts by weight of a polyorganohydrogensiloxane having the formula: ##EQU2## wherein R.sup.2 is a substituted or unsubstituted monovalent hydrocarbon group with the proviso that from 0.2 to 2.5% of the R.sup.2 groups are vinyl groups, b is a number of from 1.5 to 2.0, c is a number of from 0.01 to 0.5, the value of (b+c) is in the range of from 1.8 to 2.1, and m is a number of from 30 to 3,000, and(D) 0.01 to 3 parts by weight of organic peroxide.