Abstract: The present invention makes arrangements for preventing data overflow from storage areas of store-type terminals in a data broadcast system distributing data over broadcast. There are provided a storage management part for managing storage areas of receiving machines, a database part for holding contents data and storage management information, which is data for managing the capacities of storage areas of the receiving machines, and a schedule management part for scheduling data distribution, wherein the storage management part uses a change history of storage management information and data contents held in the database part to perform control such as deletion, size decrease, addition, and size increase of the contents data, and the schedule management part manages the capacities of storage areas of the receiving machines by scheduling the distribution of data to the receiving machines.

Abstract: General electronic program information described on a general level and individual electronic program information described on an individual level are prepared according to electronic program information of a channel service of a broadcast service provider for each channel service according to electronic program information degree of detail setting information. The electronic program information degree of detail setting information indicates a degree of detail for the contents of the individual electronic program information described on an individual level and a degree of detail for contents of the general electronic program information described on a general level. The general level corresponds to a low degree of detail, and the individual level corresponds to a high degree of detail.

Abstract: A program information producing apparatus broadcasts program information of a next program belonging to the same program group as a subjective program in addition to the program information of the subjective program. A broadcast receiving apparatus displays the program information of the next program based on the received program information of the subjective program, thereby allowing a viewer to make a reservation of the next program after checking its content during the user viewing each event of a series of programs.

Abstract: It is unknown what information terminals and how many information terminals are connected to one contracted information terminal. Accordingly, contents licensed to use by only family members of one household may be used by other persons. In view of such a situation, it is necessary to create secure environments. The present invention manages subterminals registered in all main terminals in a subterminal management part of a host device, and confirms validity of registration and deregistration by contract-time personal authentication information managed in a main terminal contract management part. Thereby, contents can be delivered only to reliable home networks.

Abstract: A guide of a broadcasting program with a computer software product, in which a transmission start time, a name of the broadcasting program, a name of the computer software product, a version number of the computer software product and a terminal type required of a terminal are listed, is transmitted from a center station to each terminal. Also, files of the computer software product are transmitted from the center station to each terminal with video-audio data of the broadcasting program at the transmission start time. In each terminal, a particular terminal type of the terminal and a particular version number of the computer software product downloaded in the terminal are managed.

Abstract: A receiving apparatus conducting reception and storage on a program basis is designed so as to be able to determine whether contents transmitted within a program time frame have been correctly stored. To achieve this, a contents information adding part adds flags indicating first and last contents within a program time frame, and data event IDs for identifying time frames (contents frames) for transmitting contents while incrementing them one at a time. A receive success/failure evaluating part of the receiving apparatus checks the flags indicating first and last contents and the increment status of the data event IDs to determine whether reception has been correctly made.

Abstract: A program information storing section stores program information including program name, program start time, and channel discriminating information. A program information search section searches the program information stored in the program information storing section according to designated search conditions and produces personalized program information resulting from the search. A program guide display section displays a program guide including a personal channel consisting of the resultant program information. Thus, the receiving apparatus allows users to display their personal channels.

Abstract: In a data broadcasting schedule system transmitting and receiving data over a transmission line, contents can be transmitted from plural channels and broadcasting stations under store and forward broadcast service, and a receiving machine can efficiently receive and store transmitted contents. To achieve this, a data transmitting part transmitting data to the receiving machine transmitting and receiving data comprises a transmit desire registration part that accepts registration of transmit desire information describing times required to transmit data to be transmitted for each broadcasting station and registers the transmit desire information, a transmit desire management part that manages said transmit desire information registered in the transmit desire registration part, and an adjusting part that arbitrates transmit time of data to be transmitted from said each broadcasting station without overlap by using each said transmit desire information managed by said transmit desire management part.

Abstract: The present invention makes arrangements for preventing data overflow from storage areas of store-type terminals in a data broadcast system distributing data over broadcast. There are provided a storage management part for managing storage areas of receiving machines, a database part for holding contents data and storage management information, which is data for managing the capacities of storage areas of the receiving machines, and a schedule management part for scheduling data distribution, wherein the storage management part uses a change history of storage management information and data contents held in the database part to perform control such as deletion, size decrease, addition, and size increase of the contents data, and the schedule management part manages the capacities of storage areas of the receiving machines by scheduling the distribution of data to the receiving machines.

Abstract: Disclosed is a transmitting apparatus including: a contents information storing part for storing contents information; a basic schedule creating part for creating a basic schedule as a model of a broadcast schedule on the basis of the contents information; a broadcast schedule creating part for creating a broadcast schedule on the basis of the basic schedule; a broadcast schedule storing part for storing the broadcast schedule; a contents storing part for storing contents; and a transmitting part for transmitting the broadcast schedule and contents, wherein a contents transmitting schedule for managing a storing state in a storage area of a receiving apparatus from the transmitting apparatus is created, accompanying information of contents is added to the schedule, and the resultant is transmitted.

Abstract: A program information storing section stores program information including program name, program start time, and channel discriminating information. A program information search section searches the program information stored in the program information storing section according to designated search conditions and produces personalized program information resulting from the search. A program guide display section displays a program guide including a personal channel consisting of the resultant program information. Thus, the receiving apparatus allows users to display their personal channels.

Abstract: A program information storing section stores program information including program name, program start time, and channel discriminating information. A program information search section searches the program information stored in the program information storing section according to designated search conditions and produces personalized program information resulting from the search. A program guide display section displays a program guide including a personal channel consisting of the resultant program information. Thus, the receiving apparatus allows users to display their personal channels.

Abstract: A server based broadcast system has a receiver capable of automatically storing broadcasted contents and allowing a user to enjoy playback of an intended service element involved in the stored contents. Information necessary to operate this server based broadcast system, such as service component information and renewal schedule, is transmitted as a meta-content equivalent to a content composing the substance of this server based broadcast service. Content information, including private information inherent to each content as well as common information applicable to a plurality of contents, is added to each content to be broadcasted and carried on a carousel for data broadcasting. A receiver makes a content group with reference to the common information.

Abstract: A process for producing mitomycin A by fermentation, which involves culturing a microorganism belonging to the genus Streptomyces, which is capable of producing mitomycin A and having at least one property of (1) deficiency in an ability to produce mitomycin C and (2) a resistance to tryptophan analog, in a culture medium forming and accummulating mitomycin A in the culture medium; and recovering mitomycin A therefrom. The microorganism preferably involves Streptomyces caespitosus T-17-135 (NRRL 12508) or Streptomyces caespitosus (NRRL 12513).

Abstract: A compound represented by the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group, X is a hydroxymethyl group and Y is a cyano group, and when R is a lower alkyl group, X and Y may combine to form --CH.sub.2 --O--, and salts thereof, process for preparing the same, and an anti-tumor composition containing the same, which is improved in stability in comparison with a starting compound DC-52.

Abstract: A substance designated by us as AX-2 and represented by the formula: ##STR1## This substance is produced by culturing a microorganism of the genus Streptomyces and capable of producing AX-2 in a medium to accumulate AX-2 in the cultured broth and isolating AX-2 therefrom.An anti-tumor composition comprising an effective amount of AX-2 in association with a physiologically acceptable carrier or excipient, which is active against Sarcoma 180.

Abstract: Disclosed is a process for purifying an enzyme contained in a solution such as cell extract liquor or fermentation culture liquor. The crude enzyme solution is brought into contact with either a strongly acidic cation exchange resin of high porous type or a strongly basic anion exchange resin of high porous type to adsorb the enzyme on the resin. An eluting agent is then passed through the resin to elute out the enzyme as a purified enzyme solution.