EP0924886A1 - Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen - Google Patents

Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen Download PDF

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Publication number
EP0924886A1
EP0924886A1 EP97121923A EP97121923A EP0924886A1 EP 0924886 A1 EP0924886 A1 EP 0924886A1 EP 97121923 A EP97121923 A EP 97121923A EP 97121923 A EP97121923 A EP 97121923A EP 0924886 A1 EP0924886 A1 EP 0924886A1
Authority
EP
European Patent Office
Prior art keywords
weather
code
time
codes
coded
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Withdrawn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
EP97121923A
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English (en)
French (fr)
Inventor
Giovanni Busca
Marc Dürrenberger
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.)
Observatoire Cantonal de Neuchatel
Orolia Switzerland SA
Original Assignee
Observatoire Cantonal de Neuchatel
Tekelec Neuchatel Time SA
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 Observatoire Cantonal de Neuchatel, Tekelec Neuchatel Time SA filed Critical Observatoire Cantonal de Neuchatel
Priority to EP97121923A priority Critical patent/EP0924886A1/de
Priority to PCT/EP1998/007867 priority patent/WO1999031831A1/fr
Publication of EP0924886A1 publication Critical patent/EP0924886A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/04—Input or output devices integrated in time-pieces using radio waves
    • 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 present invention relates to a transmission method electromagnetic encoded meteorological data. She also relates to a device comprising a receiver electromagnetic and a data decoding circuit coded defining in particular weather codes, this device comprising display means weather information.
  • weather information may be obtained using mobile phones, we will note that these phones are relatively expensive and bulky and that in addition it is necessary to know telephone numbers for obtaining data desired weather conditions. To know the conditions weather in more than one region in several countries, the use of a mobile phone is expensive and relatively complex since it is necessary to establish various communications with regional weather information centers or national. It can thus be seen that the use of a cell phone is not particularly easy to obtaining meteorological data and that it's more expensive. It will also be noted that in the case of a communication with an information center covering by example several regions of the same country, the user should generally listen to information regarding several regions before obtaining information specific for a specific region.
  • An object of the present invention is to provide a electromagnetic data transmission method encoded weather that can be received and decoded by devices provided for this purpose, including portable electronic devices.
  • Another object of the invention is to provide a electronic device with receiver and means for decoding coded meteorological data transmitted by a transmitter provided for this purpose according to the transmission method of the present invention.
  • the device according to the present invention can be diverse in nature. As an example, this device makes part of a wristwatch, a clock table or pendulum. This device can also do part of a large panel can be arranged in a station, a store or in any public place, in particular to attract a clientele or to advertising purposes.
  • the present invention first relates to a method electromagnetic emission of meteorological data coding consisting of transmitting, by period of twenty-four hours, a first plurality of time codes giving each one a different hour and to be emitted, by periods of twenty-four hours, a second plurality of weather codes defining meteorological data from a third plurality of different geographic regions, each weather code of said second plurality being associated with a time code of said first plurality of which at least a part, including at least partially the time coded, at least partially defines an addressing code and / or identification of said each weather code.
  • time codes and codes weather makes the transmitter multi-functional and allows device according to the present invention to also be multi-functional, i.e. to be able to display the precise time given by the transmitter and data weather also issued by this transmitter.
  • a third very important advantage of this invention stems from the fact that a specific weather code is associated with a predetermined time code which defines at least partially an address code and / or identifying this weather code.
  • weather code we understand a set of data coded weather reports forming a weather report for a one and the same predefined geographic region or a set of associated geographic regions of natural and predefined way. To clarify whether the weather forecast is partial or complete, we can mention that the weather code is partial or complete.
  • each weather code of said second plurality is associated with the time code of said first plurality which precedes or follows it in the succession of codes issued.
  • each code must have a unique addressing code. So, we can plan to supply within a period elementary, defined by the emission of two time codes different successive, either a single partial weather code or complete, i.e. several partial or complete weather codes in a predefined order.
  • the receiving device is provided with means for isolating each weather code and determine its transmission position among the emission of said multiple weather codes in said elementary period and / or bits are provided address in each weather code used to train together with the associated time code the code for addressing each weather code. Two addressing bits sufficient for the emission of four weather codes by elementary period.
  • issuing a weather code time code associated with it using a low frequency and strong transmitter power can intervene inside a time interval of approximately one minute starting at one precise time corresponding substantially to the coded time in the time code received in this time interval.
  • the activation time interval will be for example about two minutes. So by planning for example to issue meteorological data for thirty regions different geographic it is possible in the latter case to send weather data for a region geographic location every hour. So the receiving device will only need to be activated every hour only about a minute or two minutes after case. This considerably reduces the electrical energy consumption of a portable device used for receiving and displaying data weather supplied by a transmitter transmitting according to the method of the present invention. In addition, it is possible to envisage a renewal of the bulletins weather only every three or six hours. But in in the event of poor reception, the receiver is switched on preferably again the next hour.
  • the time codes are emitted successively with a determined frequency defining a constant period.
  • Binary pulses defining time codes are issued for example at the frequency of 1 Hz. This situation is notably that of the HBG transmitter located in Prangins in Switzerland and the DCF transmitter located in Mainflingen in Germany.
  • a time code is issued every minute.
  • a time code complete including actual time, date, day of week and summer time information requires an emission time not exceeding 45 seconds to at the rate of 1 bit per second. In this case, it remains at minus 15 seconds of emission per minute which can be attributed to the issuance of a weather code outside the time code issue period. It is possible to transmit in a specific format approximately 4 bits per second in addition to the expected top second with a frequency of 10 Hz. So, it's about 60 bits in NRZ format (No Return to Zero) which can be assigned per minute to a given weather code. The issuance of a weather code in above conditions does not disturb the reception of time codes by usual receivers.
  • each weather code of said third plurality is associated with a time code of a fourth plurality of time codes comprising at least the coded time and likely to be received by said receiver and to be decoded by said decoding circuit, at least part of each time code associated with a weather code of said third plurality defining at at least partially an address code for this weather code which is supplied to said addressing circuit, the latter affecting each weather code of said third plurality to a respective area of said weather memory in function the addressing code associated with it, this code addressing including at least partially said time coded.
  • each code said third plurality weather is associated with the code timetable of the said fourth plurality which precedes it or follows in the succession of codes received by said device.
  • each zone of said weather memory is subdivided into several parts for storing meteorological data for several different time periods respective.
  • said periods time zones affected by a weather code of said third plurality depends on the time of reception the associated time code.
  • the device according to the invention is associated with a radio-synchronized clockwork movement and includes means for displaying hourly data and weather data.
  • the transmission installation for the implementation of the emission method according to the invention includes a transmitter 2 formed by an electrical control 4 and an electromagnetic antenna 6.
  • the control antenna 4 of antenna 2 is electrically connected to a control center 8, for example the Cantonal Observatory of Neucal, which maintains atomic clocks 10 allowing very precise determination the passage of time. These clocks are known to the skilled person.
  • the control center 8 transmits to the electric control 4 time and other data data required to issue time codes complete, i.e. giving a coded minute, time, date, day, month and year.
  • the transmitter emits binary pulses at the frequency of 1 Hz synchronized with the clock (s) atomic (s) 10.
  • it is normally provided for in each time code information bits for the time summer. Control bits can also be provided.
  • the pulse marking the start of each second corresponds to an interruption of the carrier wave during 0.1 or 0.2 seconds.
  • a double interruption marks the start of a minute, i.e. a low level of carrier of 0.1 seconds followed by a high level of duration equivalent and a second low level of duration equivalent.
  • the carrier frequency is 75 kHz and the nominal power is 20 kW.
  • the Mainflingen transmitter in Germany works much the same way for issuing time codes for radio synchronization devices provided for this purpose.
  • the start of a minute is marked with the absence of a top second to the previous second. We can without further combining the two aforementioned variants for the start of the minute signal, which is defined by a top missing timetable followed by a double interruption of the wave carrier.
  • the time code is therefore made up of a succession of binary pulses emitted at the frequency of 1 Hz. For this do, we use the impulse giving the start of each second.
  • the range of the above-mentioned transmitter is approximately 1,500 km by day and approximately 3,000 km by night. A full time code is issued every minute and its transmission lasts approximately 45 seconds. So there’s about 15 seconds for the transmission of other data.
  • it is intended to transmit data weather in addition to the time codes provided by the transmitter 2.
  • it is planned according to the invention to send a plurality of weather codes corresponding to the weather forecast for a plurality of different geographic regions respective. For Switzerland for example, it is possible subdivide the country into 5 or 6 different regions to which a specific weather report can be planned.
  • the control center 8 receives weather information from various centers or institutes, for example from the Swiss Institute of Meteorology (12), Mluso France (14) and also other meteorological data providers (16).
  • the device 20 includes a wave receiver electromagnetic 22 arranged to receive the codes timetables and weather transmitted by the transmitter 2. Signals electromagnetic received by the receiver 22 are provided in the form of electrical pulses to a unit of processing 24, which is used in particular for decoding time codes and weather codes received by the receiver 22.
  • the unit 24 transmits to a clock register 26 at least partially each time code received including a new information and transmits to a weather memory at at least partially the content of weather codes received from a plurality of weather codes corresponding to a plurality from different geographic regions.
  • This device comprises a receiver 22, a decoding circuit (decoder) 32, which receives under shape of electrical signals signals electromagnetic received by the receiver 22. En particular, the electromagnetic signals are modulated in amplitude.
  • the decoder is arranged to process the electrical signals received and provide bit sequences defining either a weather code 34 or a time code 36.
  • Each specific weather code received is intended to be stored in an area 38.1 to 38.5 of the meteorological memory 28 (fig. 1).
  • a circuit is planned. 40 which is arranged to receive at least part of a specific time code associated with a code respective weather received by the device. This part of the time code at least partially includes the time coded and at least partially defines an address code for said respective weather code.
  • each specific weather code is associated with a predetermined time code, which is issued substantially at the time corresponding to the time coded in this time code. Therefore, it is possible to determine precisely the time of issue of each weather code, this which activates the receiving device only at within a limited time interval to receive a specific weather code. Outside this interval it is possible to deactivate the device receiver so as to minimize consumption electrical energy of the device.
  • a radio controlled electronic clock using codes schedules received by receiver 22 and used for the addressing of weather codes.
  • This electronic clock radio-controlled includes an internal time base used to time interval selection for activation of the receiving device.
  • the device according to the invention comprises means for displaying the information contained in the time code.
  • these display means are not provided.
  • the plurality of zones 38.1 to 38.5 of the weather memory are intended to receive meteorological data from several different regions respectively. It is possible provide as many zones as different weather codes likely to be received by the device according to the invention. However, in a variant, it is possible plan fewer areas than geographic regions different concerned. In the latter case, provision is made means for assigning a plurality of regions different geographic locations selected from the plurality of forecast zones in the weather memory.
  • the skilled person can realize the addressing circuit 40 and the memory weather in several ways depending on the planned operation meteorological data likely to be received by the device according to the invention.
  • each zone 38.1 to 38.5 of the weather memory into several parts 42.1 to 42.6 (fig. 3) intended to receive weather data for multiple periods different times.
  • This allows to give relatively fine weather reports for each of the several defined geographic regions. It is so possible to store a bulletin in each zone complete weather forecast with short and medium forecast term.
  • This complete bulletin can be the subject of only one weather code defining a continuous sequence of bits or be the subject of several weather codes relating to several respective time periods.
  • the person skilled in the art has several variant embodiments possible. In particular, it is possible to assign each part 42.1 to 42.6 of each zone X with as many periods preset times.
  • period 1 is assigned to data for the morning, period 2 to data concerning the afternoon, period 3 to data for the night, period 4 to the data regarding the next day and period 5 to the data the day after tomorrow.
  • Part 42.6 can be allocated to a period 6 covering at least partially periods 1 to 5 and containing general information for a given geographic region.
  • the periods affected by a weather code received depend on the time of receipt of this weather code. So, for example, when the weather code is received between 6 a.m. and 8 p.m., periods 1 and 2 concern the morning and afternoon of the same day. However, when the code weather is received between 8 p.m. and midnight, periods 1 and 2 concern morning and afternoon respectively the next day. It is also possible to vary the different periods affected by the weather code in depending on the time of reception of this weather code or more particularly the time of reception of the time code associated with it, these two codes preferably being issued one after the other. Using the time code associated with the weather code, it is possible to store together with meteorological data the affected time periods affected respectively to parts 42.1 to 42.6 of each zone X depending on the coded time.
  • each of these bulletins can be renewed with a given frequency. For example, a renewal can take place every hour or every three hours. It is possible to plan more or less renewals. In order to minimize the electrical energy consumption, the frequency of renewal per 24 hours will be rather low. Through against, for the purpose of precise information and in particular to reduce the time it takes to receive a weather report concerning a newly geographic area selected by a user, the frequency of renewal will be rather high.
  • each of parts 42.1 to 42.6 can include a sub-part used to record the time period affected by the data meteorological stored in this part.
  • a given part is assigned to a fixed predetermined time period, only the arrangement a memory in which the periods are recorded successive predefined time periods affected by a code received weather is sufficient for the correct operation of various meteorological data received.
  • FIG 4 is shown schematically the shape a coded signal received by the device and used to set weather codes.
  • high frequency low power transmitters used for radio synchronization of watch movements radio controlled generally send a pulse 46 marking the start of each new second (except of the top second +59 in a given embodiment).
  • this kind of transmitter it is possible to modulate the carrier wave with a frequency of about 10 Hz on a elementary half-period between two time pulses, at know a second in this case.
  • a NRZ code it is possible for example to define 4 bits 48.1 to 48.4 between 0.1 and 0.5 seconds after the flank amount of each pulse 46, that is, it is possible to transmit 4 bits per second for data weather in the time intervals left between the transmissions of the second seconds.
  • the pulses 46 define start bits for the 4 weather bits that follow and allow the receiver to synchronize with the coded signal received to ensure correct reading.
  • Each weather code can have one or more initial pulse (s) defining the start of this code weather for the receiver.
  • This weather code start signal preferably corresponds to the minute signal of the code schedule.
  • this weather code start signal does not necessarily belong to the following time code other modes of implementing the method according to the invention, in particular in the absence of radio synchronization Of time.
  • the clock must have an accuracy of half a period of the frequency of emission of weather codes.
  • FIG. 5 shows two modes of different embodiments of a device according to the invention.
  • the device according to the invention is integrated in a wristwatch 50.
  • This watch includes analog or digital means of time indication, which is radio synchronized using codes schedules received. Means are also provided display of the various meteorological data contained in the weather codes received.
  • This meteorological data defining the weather reports from geographic regions specific, including sunshine or cloudiness, amount of precipitation, direction of wind and its force, minimum and maximum temperatures expected over a given time period. Possibly, we will also give the risk of thunderstorm, the rain / snow limit, the 0 ° C isotherm, the trend of pressure, etc. Depending on the receiving device, it is possible to plan to display only part of the set weather data included in weather codes issued.
  • Watch 50 In the case of wristwatch 50, provision is made display cloudiness, precipitation (not represented), the wind direction and its force, as well as the maximum temperature (18 °) expected. In addition, it is scheduled to display date and time period concerned by this meteorological data, as well as the geographic region concerned, this last indication being provided in coded form (in the example of Figure 5: CH-4 for Ticino in Switzerland). Watch 50 includes two pushers 52 and 54 and a crown 56 defining actuation means which allow the user to manually perform various operations.
  • the actuation means allow preselect a geographic region or number restricted geographic regions among the plurality of geographic regions covered by the issuance of codes weather. Then, these actuation means make it possible to select a specific geographic region and, if applicable if applicable, a given time period for displaying weather data that can be displayed.
  • the date affected by the weather information displayed comes from the time codes which include especially the hour, the day, the month and the year of the moment of the time code emission. This information can be used in connection with the various periods preset time to allow the display of the date concerned by the weather forecast, in especially those concerning the next day and the The day after you receive a weather code.
  • the device according to the invention forms a large panel giving for the morning and afternoon some information weather, i.e. cloudiness, precipitation, wind direction and strength, as well than the maximum temperature expected in each of these two time periods.
  • weather i.e. cloudiness, precipitation, wind direction and strength
  • the date of the weather forecast is displayed.
  • the radio synchronized time just like other information.
  • Any means of managing a multi-function watch known to those skilled in the art can be used for the realization of devices according to the present invention.
  • the skilled person in particular knows how to use various types displays in a timepiece. He knows also several arrangements for management and displaying various information.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electric Clocks (AREA)
EP97121923A 1997-12-12 1997-12-12 Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen Withdrawn EP0924886A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97121923A EP0924886A1 (de) 1997-12-12 1997-12-12 Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen
PCT/EP1998/007867 WO1999031831A1 (fr) 1997-12-12 1998-12-03 Procede d'emission electromagnetique de donnees meteorologiques codees et dispositif comprenant un recepteur electromagnetique pour recevoir ces donnees meteorologiques codees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97121923A EP0924886A1 (de) 1997-12-12 1997-12-12 Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen

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EP0924886A1 true EP0924886A1 (de) 1999-06-23

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EP97121923A Withdrawn EP0924886A1 (de) 1997-12-12 1997-12-12 Verfahren für die elektromagnetische Übermittlung von kodierten meteorologischen Daten und Vorrichtung mit einem elektromagnetischen Empfänger um diese kodierten meteorologischen Daten zu empfangen

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WO (1) WO1999031831A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1107206A2 (de) * 1999-09-10 2001-06-13 Deutsche Telekom AG Verfahren und Einrichtungen zum Übertragen und Empfang von Wetterinformationen und Wettervorhersagen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480253A (en) * 1983-06-01 1984-10-30 Anderson Howard M Wrist watch weather radio
DE3733965A1 (de) * 1987-10-08 1989-04-20 Ulrich Dipl Ing Bellmann Verfahren zur informationsgewinnung aus stark gestoerten daten eines zeitzeichensenders
EP0416325A2 (de) * 1989-09-04 1991-03-13 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Telemetriesender
WO1994022243A1 (en) * 1993-03-15 1994-09-29 Macrovision Corporation Radio receiver for information dissemination using subcarrier
EP0766151A2 (de) * 1995-09-29 1997-04-02 Braun Aktiengesellschaft Verfahren zum Betreiben einer Information anzeigenden Einrichtung und Vorrichtung zur Durchführung des Verfahrens
WO1997025699A1 (de) * 1996-01-12 1997-07-17 Braun Aktiengesellschaft Datenübertragungssystem mit mindestens einem sender und mindestens einem empfänger sowie verfahren zur initialisierung des systems und zur sender-empfänger-synchronisation
WO1997047095A1 (en) * 1996-06-07 1997-12-11 Sk Telecom Co., Ltd. System and method for providing useful information for a moving object

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480253A (en) * 1983-06-01 1984-10-30 Anderson Howard M Wrist watch weather radio
DE3733965A1 (de) * 1987-10-08 1989-04-20 Ulrich Dipl Ing Bellmann Verfahren zur informationsgewinnung aus stark gestoerten daten eines zeitzeichensenders
EP0416325A2 (de) * 1989-09-04 1991-03-13 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Telemetriesender
WO1994022243A1 (en) * 1993-03-15 1994-09-29 Macrovision Corporation Radio receiver for information dissemination using subcarrier
EP0766151A2 (de) * 1995-09-29 1997-04-02 Braun Aktiengesellschaft Verfahren zum Betreiben einer Information anzeigenden Einrichtung und Vorrichtung zur Durchführung des Verfahrens
WO1997025699A1 (de) * 1996-01-12 1997-07-17 Braun Aktiengesellschaft Datenübertragungssystem mit mindestens einem sender und mindestens einem empfänger sowie verfahren zur initialisierung des systems und zur sender-empfänger-synchronisation
WO1997047095A1 (en) * 1996-06-07 1997-12-11 Sk Telecom Co., Ltd. System and method for providing useful information for a moving object

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Title
LEINWOLL S.: "Radio station WWV (National Bureau of Standards Time and Frequency Broadcasting)", RADIO-ELECTRONICS, vol. 59, no. 12, December 1988 (1988-12-01), US, pages 38 - 42, XP002070926 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1107206A2 (de) * 1999-09-10 2001-06-13 Deutsche Telekom AG Verfahren und Einrichtungen zum Übertragen und Empfang von Wetterinformationen und Wettervorhersagen
EP1107206A3 (de) * 1999-09-10 2005-07-20 Deutsche Telekom AG Verfahren und Einrichtungen zum Übertragen und Empfang von Wetterinformationen und Wettervorhersagen

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