摘要:
According to the invention, it has been identified that a user of a radio receiver obtains text information significantly faster when a text information object contained in the radio signal and directly displayed on the display of the radio receiver contains a reference to another text information object in the radio signal, and the user can trigger the modification of the text information to be displayed, from the text information of the actual text information object, according to the text information of the text information object to which the actual text information object refers, by simple operation of a user selection device. The additional cost is thus strongly limited, as current radio receivers mostly have an 'unengaged' button that only has an allocated function, and is thus occupied, in special operating situations of the radio receiver, and can, in this respect, be used as a user selection device. Due to the strong limitation of the available bandwidths of current radio systems for data services, codings that are as efficient as possible are used to generate the text information objects to be transmitted.
摘要:
During production of a data flow, text data, an escape start sequence, a first number of data units, an escape continuation sequence and a second number of data units are input into a data flow. A base decoder only represents the text data and skips the data units that are referenced to by the escape start sequence and the escape continuation sequence, whilst an extension decoder reads said data units and processes them together.
摘要:
In order to determine authenticity of the device on the basis of output data, the device (10) for supplying output data (12) in reaction to input data (14) comprises an electronic circuit (16) for executing an algorithm that generates output data (12) on the basis of input data (14) and a device (18) for detecting operational data that is influenced by an operation of the electronic circuit (16). The device (18) for detecting operational data is coupled to the electronic circuit (16) in such a way that operational data of the electronic circuit (16) is used by the algorithm in order to generate output data (12). Safety of the device disclosed in the invention is enhanced in that a potential counterfeiter will have to simulate both the functionality of the device and hardware features of said device such as power consumption or time response in order to simulate an authentic card.
摘要:
The invention relates to a transport stream provider for providing a plurality of transport stream packets that describe digital media information, in order to provide a transport stream packet of a first packet type with a program association table and key information for decrypting encrypted media information. The program association table contains an association between a program number and a packet type identifier of another transport stream packet of a second packet type. The transport stream provider is designed to provide a transport stream packet of the second type in such a way that said transport stream packet references packet type identifiers of transport stream user data packets that describe various types of content of digital media information.
摘要:
The invention relates to a transmitter for transmitting information data that is present in a plurality of data records. Said transmitter comprises a device (102) for assigning displacement information to one or more data records of the plurality of data records, said displacement information indicating the area of a memory unit, to which the data record should be written. The transmitter (100) also comprises a unit (104) for transmitting a plurality of data records and the displacement information that is assigned to the data record. This improves the error correction process in relation to prior art.
摘要:
A text-based information transmission is made complying with a greater number of transport-layer systems by performing the fragmentation and de-fragmentation of the information object at the application-layer side rather than at transport-layer domain. By this manner, the text-based information service is not restricted to transport-layer systems accommodating the maximum size of the information objects. Rather, it is possible to adjust the fragmentation size of the fragments into which the information objects are fragmented to the maximum transport packet content section size offered by the transport layer within the application layer. The fragment size may even vary in a time-varying manner responsive to instructions from the transport layer posed onto the transport layer in consequence of time-varying transmission channel characteristics, for example.
摘要:
The invention relates to a device (100) for controlling service access authorisation for a user device in relation to an access restricted service. Said device comprises a service authorisation access provider (101) that is designed to control, corresponding to an authorisation message (103) provided with a service-dependent user identification (102), a period of time during which the service authorisation access (104) is present exists and to deactivate (105) authorisation that allows the service authorisation access (104) to be extended or reactivated using the previous service-dependent user identification (102), if at least one predetermined duration (123) has elapsed since the end of the last authorised time interval (106) for which one service authorisation access (104) was determined by the device (100).