EP2033346A1 - Verfahren, sender und empfänger zur übermittlung von textinformation - Google Patents
Verfahren, sender und empfänger zur übermittlung von textinformationInfo
- Publication number
- EP2033346A1 EP2033346A1 EP07765316A EP07765316A EP2033346A1 EP 2033346 A1 EP2033346 A1 EP 2033346A1 EP 07765316 A EP07765316 A EP 07765316A EP 07765316 A EP07765316 A EP 07765316A EP 2033346 A1 EP2033346 A1 EP 2033346A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- character set
- text
- text information
- characters
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006870 function Effects 0.000 claims description 10
- 239000003550 marker Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/33—Arrangements for simultaneous broadcast of plural pieces of information by plural channels
- H04H20/34—Arrangements for simultaneous broadcast of plural pieces of information by plural channels using an out-of-band subcarrier signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
- H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]
Definitions
- the present invention relates to a method for transmitting text information from at least one transmitter to at least one receiver, comprising the steps of: encoding the text information having characters of an original character set into text data having a particular data format in the transmitter, transmitting the coded text data from the at least one transmitter a transmitter to the at least one
- a receiver decoding the encoded text data in the receiver, and displaying the decoded text information on a display of the receiver.
- the present invention further relates to a transmitter for transmitting text information to at least one receiver, comprising: a memory in which characters of an original character set are stored, a controller configured to convert the text information having characters of the original character set into text data having one certain data format, and a transmitting device for transmitting the coded text data.
- the invention further relates to a receiver for text information transmitted by a transmitter comprising: a receiving device for receiving coded text data, a memory in which characters of an original character set are stored, a controller adapted to decode the received coded text data, and a Display on which the decoded text information can be displayed.
- the Radio Data System is a digital data transmission system for VHF broadcasting stations in the early 1980s European Broadcasting Union has been designed and developed.
- the format of the RDS "data format" is uniform in Europe and the RDS is standardized in the EN 50067 standard.
- Frequencies of the radio transmitter transmits.
- the AF function of the RDS is mainly used in car radios, as it is possible by transmitting the list of alternative frequencies, without user intervention to automatically change the frequency and thus follow a program once set. This saves manual searching for the new frequency when the vehicle is driving
- Exits transmission range of a transmitter mast and penetrates into the transmission range of an adjacent transmission mast from which the set radio station is broadcast at a different, different frequency.
- various other additional information can be transmitted and evaluated, for example, serve the name of the radio station, such as DLF, and / or references to program content, titles of songs or names of interpreters, etc. on displays or displays the radio receiver to be readable to the listener.
- the standard broadcasting standard defined by the RDS standard is also used in many states of the former Eastern Bloc.
- the languages used there are missing many characters in the character set of the RDS. Therefore, in these states, the texts to be presented are reproduced with the "available" characters for the additional information, which is reasonably easy for the listener to read, but it is unattractive and may lead to misunderstandings and misinterpretations.
- the invention provides that in the at least one transmitter and in at least one recipient a table is stored, are assigned in the multiple characters of the original character set one or more alternative characters of an extended character set in the transmitter additional text data which define both the position of a character in the text information and the alternative of the extended character set, and the additional text data are transmitted from the sender to the receiver and decoded there, so that when representing the text information at the defined position the character to be displayed of the original character set is replaced by the defined alternative character of the extended character set.
- a table is stored in the memory in which several characters of the original character set are assigned one or more alternative characters of an extended character set, and the controller is further configured to code additional text data. which define both the position of a character in the text information and the alternative of the extended character set.
- the invention provides that a table is stored in the memory in which several characters of the original character set are assigned one or more alternative characters of an extended character set, and the controller is further configured to code additional text data which define both the position of a character in the textual information and the extended character set alternative, such that in the representation of the decoded textual information on the display at the defined position, the character of the original character set to be displayed is replaced by the defined extended character set alternative character.
- the essential idea of the present invention is that the text information to be transmitted is first transmitted with the characters that are present in the original character set. This text information can therefore also be displayed by all recipients who have deposited only this original character set.
- To display the special characters and symbols of the extended character set additional text data are encoded, which determines exactly at which position within the text a letter or character of the original character set is to be replaced by a corresponding special character or symbol of the extended character set.
- Recipients in which the special characters and symbols of the character set extension are stored can now visually display the text with the special characters or symbols on their display.
- Recipients without such special characters of the character set extension represent the unchanged text information with the letters and characters of the original character set on their display.
- the text information is preferably coded into the data format of the Radio Data System (RDS).
- RDS Radio Data System
- the textual information of the RDS function may be Program Service Name
- Figure 1 shows schematically a sketch of a transmitter and a receiver for the transmission of text information
- FIG. 2 shows a sketch of a bitwise coding of an extended RDS data format.
- FIG. 1 schematically shows a transmitter 1 and a receiver 2.
- the transmitter 1 has a controller 11, which is designed to code the text information into text data in the RDS data format.
- the text information can by means of appropriate
- Input devices are generated in the transmitter.
- the controller 11 is connected to a memory 12 in which the characters of the original character set of the RDS are stored and stored.
- a transmitting device 13 for example a suitable antenna, the coded text data of the Sender 1 is sent to the receiver 2, which is indicated in the figure 1 by the arrow 3.
- controller 11 will add additional
- Special characters are here understood to mean all characters that are not present and representable in the previous RDS.
- the additional text data define both the position of a character to be replaced and the special character itself.
- the possible special characters are associated with corresponding characters of the original character set in a table and the table is also stored in the memory 12.
- the additional, coded text data are also transmitted by the controller 11 via the transmitting device 13.
- the receiver 2 has a receiving device 23, for example a suitable antenna with which the coded text data transmitted by the transmitter 1 are received.
- the receiving device 23 forwards the received text data to a controller 21, which decodes and evaluates the coded text data.
- a memory 22 are both the originally defined characters for the RDS and a table with
- the text information to be displayed is decoded on the basis of the received text data and the additional text data and visualized on a display 24 of the receiver 2.
- the receiver 2 may be, for example, a RDS-capable car radio.
- Radio Text Plus an extension of the RDS standard is under discussion, referred to as "Radio Text Plus” or "RT +" respectively.
- RT + an extension of the RDS standard
- certain points within the radio text can be addressed and supplemented with the aid of a so-called “RT + tag.”
- this RT + tag For the transmission of the special characters according to the invention, this RT + tag must now be redefined.
- the RT + classification defines different variants of the information classes. For the transmission of special characters in the name of the radio station and / or the radio text two new variants can be defined: radio text, symbol and station name, symbol. Since only a single, precisely defined character has to be addressed here, this can be done in the extended proposal RDS standards defined field "length marker" redefined because the length of the special character is always 1.
- the defined field "Start marker” indicates the nth letter in the radio text and the value in the field "length marker” defines the middle value or the mth alternative from the above table of the assignment of the additional characters that are represented in the radio text by their counterpart of the original character set.
- the "Start marker” field marks the position of the letter in the Program Service Name (PS) to be replaced
- the "length marker” field again marks the value to be inserted from the above example table.
- PI code denotes the
- Identification number of a radio station In the case of a frequency change, the previously received PI code and the PI code received after the frequency change must match, otherwise there will be an impermissible program change.
- PTY the program type is designated, with which a classification of the radio stations according to defined branches, for example, news, classical music, jazz or rock etc. is possible. This is followed by the bits essential for the present invention.
- the item toggle bit is toggled when a new piece of information begins, for example, a new song is sent or a new text is to be visualized.
- RT content type defines the content according to the classification in the suggestion of RT +.
- the value 52 can be assumed for Radiotext.symbol and the value 53 for station name.symbol.
- Receiver can save the changed values in its memory when the transmitter is stored under a station button in the device in the device.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL07765316T PL2033346T3 (pl) | 2006-06-09 | 2007-06-05 | Sposób, nadajnik i odbiornik do transmisji informacji tekstowej |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006027260A DE102006027260A1 (de) | 2006-06-09 | 2006-06-09 | Verfahren, Sender und Empfänger zur Übermittlung von Textinformation |
| PCT/EP2007/055500 WO2007141256A1 (de) | 2006-06-09 | 2007-06-05 | Verfahren, sender und empfänger zur übermittlung von textinformation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2033346A1 true EP2033346A1 (de) | 2009-03-11 |
| EP2033346B1 EP2033346B1 (de) | 2009-08-19 |
Family
ID=38461088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07765316A Ceased EP2033346B1 (de) | 2006-06-09 | 2007-06-05 | Verfahren, sender und empfänger zur übermittlung von textinformation |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2033346B1 (de) |
| DE (2) | DE102006027260A1 (de) |
| PL (1) | PL2033346T3 (de) |
| RU (1) | RU2008151725A (de) |
| WO (1) | WO2007141256A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013219129B4 (de) * | 2013-09-24 | 2015-12-24 | Technisat Digital Gmbh | Verfahren zum Empfangen und Anzeigen einer Textinformation |
| CN113595717B (zh) * | 2020-04-30 | 2023-10-17 | 比亚迪股份有限公司 | Ecb模式分组加密方法和解密方法及控制装置和车辆 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6404408B1 (en) * | 1999-01-07 | 2002-06-11 | Surfer Network.Com, Inc. | Enhanced radio graphic data system |
| US7502589B2 (en) * | 2002-12-06 | 2009-03-10 | Bose Corporation | Supplemental broadcast data processing |
-
2006
- 2006-06-09 DE DE102006027260A patent/DE102006027260A1/de not_active Withdrawn
-
2007
- 2007-06-05 DE DE502007001367T patent/DE502007001367D1/de active Active
- 2007-06-05 PL PL07765316T patent/PL2033346T3/pl unknown
- 2007-06-05 EP EP07765316A patent/EP2033346B1/de not_active Ceased
- 2007-06-05 RU RU2008151725/09A patent/RU2008151725A/ru not_active Application Discontinuation
- 2007-06-05 WO PCT/EP2007/055500 patent/WO2007141256A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007141256A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007141256A1 (de) | 2007-12-13 |
| DE502007001367D1 (de) | 2009-10-01 |
| PL2033346T3 (pl) | 2010-01-29 |
| RU2008151725A (ru) | 2010-07-20 |
| DE102006027260A1 (de) | 2007-12-13 |
| EP2033346B1 (de) | 2009-08-19 |
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