EP1798612A2 - Procédé destiné à la transmission de données, en particulier par transmetteurs d'un signal horaire de référence et son récepteur - Google Patents

Procédé destiné à la transmission de données, en particulier par transmetteurs d'un signal horaire de référence et son récepteur Download PDF

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Publication number
EP1798612A2
EP1798612A2 EP06009041A EP06009041A EP1798612A2 EP 1798612 A2 EP1798612 A2 EP 1798612A2 EP 06009041 A EP06009041 A EP 06009041A EP 06009041 A EP06009041 A EP 06009041A EP 1798612 A2 EP1798612 A2 EP 1798612A2
Authority
EP
European Patent Office
Prior art keywords
time
information
receiving device
receiver
weather
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.)
Withdrawn
Application number
EP06009041A
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German (de)
English (en)
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EP1798612A3 (fr
Inventor
Reiner Häcker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKW Elektronik GmbH
Original Assignee
HKW Elektronik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HKW Elektronik GmbH filed Critical HKW Elektronik GmbH
Publication of EP1798612A2 publication Critical patent/EP1798612A2/fr
Publication of EP1798612A3 publication Critical patent/EP1798612A3/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/08—Setting the time according to the time information carried or implied by the radio signal the radio signal being broadcast from a long-wave call sign, e.g. DCF77, JJY40, JJY60, MSF60 or WWVB

Definitions

  • the invention relates to a method for transmitting additional data from a time signal transmitter, in particular a long-wave transmitter, to a receiver, in particular a radio clock, in which in successive time intervals each time information such as time, weekday, month, year, transmitted in a first time section and in which each of the consecutive time slots has a second time portion of a plurality of free bits usable for transmitting additional, time-varying information in digital form.
  • Time signal transmitters such as the German long-wave transmitter DCF 77, work with slow data transmissions. These transmitters transmit one bit per second. This results in a very low transmitter and receiver bandwidth. The low bandwidths have the advantage that the technical complexity of the receiver can be kept very low even for large transmission distances. This is one of the reasons why such time signal transmitters have proven themselves in radio-frequency technology for decades.
  • Time signal transmitters typically transmit a bit over the course of a minute in encoded form over a second, minute, hour, day, day of the week, month, and year for a period of 24 hours a day every second. Not all seconds per minute are occupied with time information. Thus, with the time signal transmitter DCF 77 only time information is transmitted between the seconds 15 and 59 of every minute, while the seconds 1 to 14 of each minute are free of time information, so that they can be used to transmit information that is foreign to time.
  • the available 14 seconds are used to transmit the following information: announcement of a warning, area-related assignment of a warning (eg state or region) and substantive differentiation of the warning (eg air alarm, poison gas alarm, etc.) and control of transmission.
  • a significant disadvantage of this known method is that it allows only small amounts of data to be transmitted. In particular, it is not possible to transmit more accurate weather data in this way, for example, to be informed about it in the morning awakening, as the daily weather forecasts and which clothing selection is appropriate for it.
  • the object of the invention is to design a transmission method in time signal transmitters, which allows the transmission of large amounts of data, without the advantages of such a transfer, namely the low technical effort on the part of the recipient, be curtailed.
  • it is also an object of the invention to transmit weather data for different geographical areas on radio clocks and display there.
  • this object is achieved in that, for transmission, each time-independent information is divided into different second time segments according to the number of free bits per second time segment.
  • the solution according to the invention is suitable for using the weather conditions in certain geographical areas as information that is not relevant to the time. As has been shown, this can be a weather data transmission for at least 60 different weather regions and 30 additional cities of Europe ..
  • each time-foreign information a start signal and / or an end signal in the form of at least one bit.
  • the data address of the non-time information is coded by the transmission time.
  • the data volume to be transmitted is not inflated by additional start / stop signals.
  • such a measure leads to an energy-saving control in the receivers.
  • the weather data transmission takes place in such a solution, for example, the fact that the first time the weather 00:00, a second weather region time 0.03 clock, a third time 0.06 clock, etc. is assigned. In this form, all data blocks to be sent are provided with specific times, and thus each weather region is uniquely identified with an address.
  • the receiver In the case of time signal receivers with battery supply, the receiver is activated only a few times a day to receive the time signal in order to save energy. For the normal function of the clock is after the successful Synchronization with the time signal transmitter the accuracy of the quartz watch sufficient. For the same reason - energy saving - it is recommended that the receiver is turned on for a short time at the beginning of each period and in the presence of non-time information, the information processing means are activated in the receiver.
  • the time-foreign information processing means are turned on at the specific times in a particularly advantageous manner.
  • This is particularly advantageous in the case of radio-controlled watches, which contain a quartz watch which keeps the accuracy of the gait over longer periods of time and which prevents the watch from being switched on too late due to a follow-up of the watch.
  • Such a variant of the method has the advantage compared with that described above that no additional circuit measures are required for a brief activation of the receiver. In addition, it is even more energy efficient.
  • time-foreign information processing means in the receiver against payment of a Charge are unlockable. This release can be done by the transmitter by transmitting a time-foreign information, but also by appropriate manipulation when buying the radio clock or already in the production, so that products with different technical characteristics in the sale.
  • the invention further relates to a receiving device with a radio clock, for exercising the method described above, in which the beginning of a time-foreign information is assigned to a specific time.
  • the receiving device the means for separating and storing the time information and the non-time information, which also includes the decoding
  • This information includes means for adjusting and displaying the time information and means for displaying the non-time information includes, according to the invention for the time associated with a specific time information to a memory which is controlled by the time of the receiving device.
  • Such an embodiment can be realized with very little effort, but the control of the clock is also used for the control of the memory for the time-foreign information.
  • the setting means are advantageously provided with the terms assigned to the specific times.
  • the setting means for example, with locations such as Amsterdam, Berlin, Dresden, etc. provided and not with their associated times.
  • a liquid crystal display element is preferably provided in the receiving device.
  • pictograms such as sun, sun with clouds, sun with clouds and raindrops, clouds, clouds with raindrops and clouds with snowflakes, maximum and minimum temperature, wind force, etc. can be used.
  • the display for the time information and that for information that is foreign to time form an integral unit.
  • the time signal transmitter 1 contains a control computer 2, to which time information from a time generator 4 controlled by an atomic clock 3 is supplied.
  • the time generator 4 outputs encoded signals for second, minute, hour, day, day of the week, month and year to the bit controller 2.
  • the non-time information which in the present case is weather data from different geographical areas of Europe, the transmitter 1 provided for example by the German Weather Service in Offenbach and encoded and stored in the computer 5 and fed from there also the bit control 2.
  • the coded weather data are thus distributed as additional information about the time and the date to the free bits of each minute emitted time protocol.
  • the so filled with time information and time-foreign information time protocol is emitted via a long wave antenna 7 and received by radio clocks 8 different types.
  • the transmitter DCF 77 As a time signal transmitter 1, for example, the transmitter DCF 77 comes into question. It transmits on a carrier frequency of 77.5 kHz. The transmission of the time information - time and date - takes place cyclically in successive time segments 9, namely during each minute with a data rate of 1 baud in a time segment section 10 between second 15 to 59, as shown in FIG. 2 can be seen.
  • the minute, hour, calendar day, day, month, and year information are BCD coded and are amplitude modulated with pulse duration modulation.
  • a second time division section 11 between seconds 1 to 14 of each minute, which is usually not occupied, is occupied in the transmission control 6 with the weather data.
  • the Weather data is divided into 14-bit blocks, which are then distributed to the unused seconds.
  • the transmission protocols of such weather information are shown in FIG.
  • the first protocol consists of a first time portion 10 with a full time information block and a second time portion 11 with a full weather data sub-block 12 of 14 data bits, the second protocol also of a first time portion 10 with a full time information block and a time portion 11 with an 8 data bits and 6 Weather data sub-block 13 containing check bits and the third protocol from a weather data sub-block 14 containing 14 check bits in the time sub-section 11 and a full-time information block in the time sub-section 10.
  • FIG. 4 shows a transmission protocol table from which the transmission sequence for different weather conditions and days for 60 weather regions and 30 cities can be seen.
  • line 1 the weather of the current day, that of the night, the daytime temperature as well as information on heavy weather and rainfall is sent from 23:00 to 1:59.
  • the time 23:00 assigned to the territory of Thuringia is sent from 23:00 to 1:59.
  • the transmission of the corresponding weather data for the area of Saxony takes place, at 23:06 those for Brandenburg etc.
  • Bit 15 of each protocol is used to characterize weather anomalies (WA), especially in conjunction with heavy weather and precipitation information in the following bits.
  • the time information and extraneous information radiated by the antenna 7 of the time signal transmitter 1 are received and processed in a receiver 15, which is shown in FIG.
  • the signals containing the time information and the extraneous information are fed to the input stage 17, which demodulates the modulated signals.
  • the digital signals are then forwarded to the controller 18 for decoding and evaluation.
  • the controller 18 also includes a quartz clock that is synchronized and controlled by the received signals according to the known radio clock principle. Via the operating and display panel 19, the settings for the weather region are made and the displays for the time and the weather are controlled.
  • the controller 18 compares the current time with the transmission time for the set weather region of the transmission time memory 20 and, in coincidence, forwards the received weather data to the weather data decoder 21, which the decoded weather data of the controller 18 for evaluation and display on the control and display module 19 passes.
  • the operation and display assembly 19 in the form of a radio alarm clock comprises, as shown in FIG. 6, a liquid crystal element 23 with different display fields.
  • the display panel 24 is provided for the current time, the display field 25 for the alarm time, the display panel 26 for the date display and after automatic switching by the push button switch 27 and for the display of presettable weather region.
  • the weather information is displayed.
  • the desired weather regions can be set by repeatedly pressing.
  • the other switches 29 and 30 of the radio alarm serve the wake-up or the short-term lighting.
  • FIG. 7 also shows a weather station 31 in which the display of the time, the day of the week and the date in is made in the upper display field 32.
  • the display panel 33 is the weather region - here Kunststoff, in the display panel 34, the weather of the day and in the display panel 35, the weather forecast, with the progression to the next day by means of touch switch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Electric Clocks (AREA)
EP06009041A 2005-12-16 2006-05-02 Procédé destiné à la transmission de données, en particulier par transmetteurs d'un signal horaire de référence et son récepteur Withdrawn EP1798612A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005019853 2005-12-16

Publications (2)

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EP1798612A2 true EP1798612A2 (fr) 2007-06-20
EP1798612A3 EP1798612A3 (fr) 2009-06-24

Family

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EP06009041A Withdrawn EP1798612A3 (fr) 2005-12-16 2006-05-02 Procédé destiné à la transmission de données, en particulier par transmetteurs d'un signal horaire de référence et son récepteur

Country Status (1)

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EP (1) EP1798612A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013510A1 (de) 2008-03-11 2009-09-17 Efr Europäische Funk-Rundsteuerung Gmbh Verfahren zur unidirektionalen Verbreitung von Information über eine Langwellenfunkverbindung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720591A1 (de) * 1997-05-16 1998-11-19 Rudolf Lauw Elektronische Funkuhr
WO2001013551A2 (fr) * 1999-08-12 2001-02-22 Volkmar Held Systeme radio pour avertir la population

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720591A1 (de) * 1997-05-16 1998-11-19 Rudolf Lauw Elektronische Funkuhr
WO2001013551A2 (fr) * 1999-08-12 2001-02-22 Volkmar Held Systeme radio pour avertir la population

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "United States RBDS Standard" NATIONAL RADIO SYSTEM COMMITTEE, [Online] 9. April 1998 (1998-04-09), XP002519628 Gefunden im Internet: URL:ftp://ftp.rds.org.uk/pub/acrobat/rbds1 998.pdf> [gefunden am 2009-03-17] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013510A1 (de) 2008-03-11 2009-09-17 Efr Europäische Funk-Rundsteuerung Gmbh Verfahren zur unidirektionalen Verbreitung von Information über eine Langwellenfunkverbindung

Also Published As

Publication number Publication date
EP1798612A3 (fr) 2009-06-24

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