EP1936449A1 - Procédé de programmation sans fil d'un récepteur de signal temporel, récepteur de signal temporel pouvant être programmé sans fil, ainsi qu'appareil de programmation pour une programmation sans fil d'un récepteur de signal temporel - Google Patents

Procédé de programmation sans fil d'un récepteur de signal temporel, récepteur de signal temporel pouvant être programmé sans fil, ainsi qu'appareil de programmation pour une programmation sans fil d'un récepteur de signal temporel Download PDF

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Publication number
EP1936449A1
EP1936449A1 EP07024338A EP07024338A EP1936449A1 EP 1936449 A1 EP1936449 A1 EP 1936449A1 EP 07024338 A EP07024338 A EP 07024338A EP 07024338 A EP07024338 A EP 07024338A EP 1936449 A1 EP1936449 A1 EP 1936449A1
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EP
European Patent Office
Prior art keywords
time signal
programming
signal receiver
time
protocol
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Withdrawn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
EP07024338A
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German (de)
English (en)
Inventor
Hans-Joachim Sailer
Roland Polonio
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.)
C-Max Europe GmbH
Atmel Germany GmbH
Original Assignee
C-Max Europe GmbH
Atmel Germany GmbH
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Filing date
Publication date
Application filed by C-Max Europe GmbH, Atmel Germany GmbH filed Critical C-Max Europe GmbH
Publication of EP1936449A1 publication Critical patent/EP1936449A1/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Withdrawn legal-status Critical Current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
    • G04R20/10—Tuning or receiving; Circuits therefor

Definitions

  • the invention relates to a method for wireless programming of a time signal receiver, a wireless programmable time signal receiver and a programming device for wireless programming of a time signal receiver.
  • time signals For a variety of daily life applications, providing accurate time is of paramount importance.
  • the competent national institutions provide exact time signals, so-called time signals, which can be received with the aid of suitable receivers (time signal receivers).
  • the time signals can be used for further processing, that is to say for the extraction of a precise time specification in suitably equipped terminals, in particular in radio-controlled clocks or time-based measuring devices.
  • time signals For the transmission of time signals are radio waves, especially in the long-wave frequency range of about 30 kHz to about 300 kHz, a suitable medium.
  • coded time signals In long-wave signals, in particular by amplitude modulation, coded time signals have a very large range, they penetrate into buildings and they can still be received with very small ferrite antennas. Obstacles such as trees and buildings cause high signal attenuation in high-frequency satellite signals, but the reception of long-wave signals is only slightly affected by such obstacles.
  • the time signal is provided by a time signal transmitter which transmits a signal sequence according to a predetermined protocol.
  • the national time signal transmitters differ both in the selected transmission frequency and in the structure of the protocol.
  • a typical example is the long-wave transmitting station DCF-77 controlled by the Physikalisch Technische Bundesweg (PTB), which is controlled by several atomic clocks and emits a time signal with a power of 50 KW on the frequency 77.5 kHz in continuous operation.
  • Figures 1 and 2 A more detailed description of the protocol of the time signal transmitted by the DCF77 station is given below Figures 1 and 2 refer to.
  • Examples of other time signal transmitters are WWVB (USA), MSF (Great Britain), JJY (Japan), BPC (China), which transmit time information on a longwave frequency in the range between 40 and 120 kHz using amplitude modulated signals.
  • a time signal with a time frame of exactly one minute is transmitted to transmit the time information.
  • This timeframe contains values for the minute, hour, day, day of the week, month, year, etc. in the form of BCD codes (binary coded decimal codes), which are transmitted with pulse duration modulation at 1 Hz per bit. Either the rising edge or the falling edge of the first pulse of a time frame is exactly synchronized with 0 seconds.
  • a typical radio-controlled watch is designed such that the time adjustment takes place by recording the time information of one frame or a plurality of time frames from the time when the zero-second signal was first received.
  • Fig. 1 shows the coding scheme of the coded time information shown by reference A according to the protocol of the time signal transmitter DCF-77.
  • the coding scheme here consists of 59 bits, with 1 bit corresponding to one second of the frame.
  • a so-called time signal telegram can be transmitted, which contains information on time and date in binary coded form.
  • the first 15 bits B contain general coding, for example operating information, and are currently not used.
  • the next 5 bits C contain general information.
  • R denotes the antenna bit
  • A1 denotes a Central European Time (CET) to Central European Summer Time (CEST) and backward announcement bit
  • Z1 denotes zone time bits
  • A2 denotes a leap second notification bit
  • S denotes a start bit of the encoded time information.
  • the bits in area D contain information about the minute, area E information about the hour, area F information about the calendar day, area G information about the day of the week, area H information about the month and area I Information about the calendar year. This information is available bit by bit in coded form.
  • check bits P1, P2, P3 are provided.
  • the sixtieth bit is unused and is for the purpose of indicating the beginning of the next frame.
  • M denotes the minute mark and thus the beginning of the time signal.
  • the transmission of the time signal information is amplitude modulated with the individual second marks.
  • the modulation consists of a decrease X1, X2 or increase of the carrier signal X at the beginning of each second, at the beginning of each second - except the fifty-ninth second of each minute - in the case of a time signal emitted by the DCF-77 transmitter - the carrier amplitude for the duration of 0.1 seconds X1 or for the duration of 0.2 seconds X2 is lowered to about 25% of the amplitude.
  • This different duration of the second marks is used for the binary coding of time and date, whereby second marks with a duration of 0.1 seconds correspond to X1 of the binary "0" and those with a duration of 0.2 seconds to X2 of the binary "1". Due to the absence of the sixtieth second mark, the next minute mark is announced. In combination with the respective second, an evaluation of the time information sent by the time signal transmitter is then possible.
  • Fig. 2 shows an example of a section of such an amplitude-modulated time signal, in which the coding is carried out by lowering the RF signal with different pulse length.
  • Conventional time signal receiver receive the radiated from the time signal transmitter amplitude modulated time signals and output it again demodulated as different lengths of pulses. This is done in real time, that is, per second, a pulse of different lengths at the output according to the idealized time sign according to Fig. 2 generated.
  • the time information is encoded by the different length pulses of the carrier available. From the time signal receiver these pulses of different lengths are fed to a downstream microcontroller. The microcontroller evaluates these pulses and determines whether a bit value "1" or "0" is assigned to the respective pulse according to the length of this pulse.
  • the microcontroller subsequently takes up every 59 bits of a minute and uses the bit codes of a respective second pulse to determine the exact time and exact date.
  • a time clock receiver designed as a radio clock with a radio movement which is set up to receive a time signal.
  • the radio movement is programmable. That is, one or more programming instructions encoded according to a programming protocol stored in the radio-controlled clockwork may be fed into the radio to achieve the desired characteristics of the radio-controlled clockwork.
  • a wired transmission of the programming instructions is provided.
  • the known radio clock has a plurality of contact surfaces in the area of a battery compartment, which can be acted upon by programming pins in a programming device of mechanical contact needles with programming signals.
  • Another programmable radio wristwatch is from the document DE 196 25 041 A1 known.
  • the disclosed radio wristwatch can be subsequently programmed by means of a transponder device, among other things, the radio clock carrier frequency is used for the transmission of data. To do this, the watch is put into a programming state via an external, manually operated switch integrated in the watch.
  • the object underlying the invention is to provide a method for programming a time signal receiver, a time signal receiver and a programming device for programming a time signal receiver, which allow a simplified programming.
  • the inventive method for wireless programming of a time signal receiver comprises the following steps: sending a programming instruction, which is encoded in a data format adapted to a time signal receiver, from a transmission device; receiving the programming instruction wirelessly by receiving means of a time signal receiver adapted to receive a time signal in accordance with a predeterminable time signal protocol; Decoding the programming instruction by the receiving means and / or by processing means of the time signal receiver, storing the programming instruction intended for execution in the receiving means and / or in the processing means in memory means of the time signal receiver.
  • a programming of a time signal receiver can also be realized in mass production without the need for an uneconomically large number of programming devices.
  • the provision of contact surfaces for wired coupling of the Programming instructions are omitted, whereby a simplification of the time signal receiver can be realized.
  • a programming instruction is provided to the time signal receiver, which is written in a format decodable by the time signal receiver. Based on a first programming instruction, the time signal receiver can be made ready to receive further programming instructions.
  • the receiving means of the time signal receiver is, in particular, an analogue receiver arrangement as described in US Pat German patent application DE 103 34 990 is described.
  • the processing means may be embodied, for example, as a state machine or as a microcontroller.
  • the processing means are assigned internally or separately executed storage means for storing at least one program instruction.
  • the time signal receiver for programming the time signal receiver at least a complete time signal is transmitted in accordance with the time signal protocol, which additionally comprises a number of programming instructions.
  • the time signal protocol which additionally comprises a number of programming instructions.
  • a transmission of programming instructions is possible without the need to dispense with the transmission of the time signal.
  • the protocol of the DCF-77 time sign within the time frame which has a duration of 60 seconds in the DCF-77, the first 15 bits are freely available and can thus be used both for the transmission of a first programming instruction signal (first bit in FIG DCF-77 protocol) as well as for the transmission of further programming instructions (second to fifteenth bit in the DCF-77 protocol).
  • a parallel programming of the time signal receiver and a synchronization of the time signal receiver to the for Programming emitted timing signals are made.
  • the full functionality of the time signal receiver including the ability to correctly synchronize to the time signal can thus be checked immediately.
  • the disadvantage of a low data rate for the transmission of programming instructions within the time frame (usable bits per minute in the DCF 77 protocol), which can be several minutes, is readily absorbed by having a plurality of time-domain receivers in parallel from a single programming device can be programmed wirelessly.
  • a time signal is transmitted, which includes at least one programming instruction for switching the time signal receiver to a programming protocol, and that in further steps programming instructions are transmitted according to a stored in the time signal receiver programming protocol.
  • the certificate receiver is first provided with a time signal according to the corresponding protocol, in which at least one free bit is set in accordance with a protocol stored in the time signal receiver so that it can be recognized during decoding in the time signal receiver that a programming operation is planned.
  • the time signal receiver switches to a programming state upon arrival of the corresponding bit. In the programming state, a programming protocol deviating from the time signal protocol is used by the programming device, which is stored in the time signal receiver for decoding the programming instructions.
  • programming instructions for programming the time signal receiver are transmitted in a programming protocol deviating from the time signal protocol, which is stored in the time signal receiver.
  • the time signal receiver may be arranged to examine incoming signals for whether they are timing signals or programming instructions.
  • the time signal receiver can also be set up such that it is switched to the programming state on the basis of a parameter associated with the time signal, for example based on the field strength of the time signal, or by a parameter independent of the time signal, for example by a programming status signal sent by the programming device.
  • the programming signal for switching to the programming state is derived from a field strength of the time signal. In this case, recourse can be made in particular to the variable amplification of the adjustable amplifier provided in the receiving means. A high field strength signal is detected by a minimum gain and indicates to the time signal receiver that programming is to be performed with a programmer,
  • the time signal receiver is switched to the programming state upon receipt of the programming instruction for a predefinable period of time. This ensures that the time signal receiver always comes back to the receiving state for the time signal even without complete completion of the programming process.
  • the time signal receiver is switched to the programming state upon receipt of the programming instructions until the arrival of a reset instruction.
  • a variable number of programming instructions can be transmitted to the time signal receiver.
  • the time signal receiver switches back to the reception state for the time signal and can be checked, for example, immediately after its programming operation for its reception properties for the time signal. This is advantageous when different production batches of time signal receivers are to be programmed with very different amounts of programming instructions.
  • the function test can be carried out with the time signal after a short time. In the case of a multiplicity of programming instructions, a return change to the receive state is made only after the entire transmission thereof.
  • a release or blocking of functions that are fixed in the time signal receiver is made.
  • the functions are provided in the layout, that is to say in the hardware of the time signal receiver, and can be blocked or released by means of internal pointers, that is to say by software.
  • the respective pointers are set according to the specification by the programmer and thereby determine the functionality of the time signal receiver.
  • a typical application for such releasable and lockable functions is stopwatch or calendar functions on a wristwatch with radio movement. In the radio movement, these functions are all created on the hardware side and depending on the wristwatch model are enabled or blocked by software on the software side.
  • a final blocking of the programming state is provided after the programming has been carried out once.
  • a blocking can be effected in particular by setting an internal pointer in the receiving means or in the processing means or by separating one or more electrical connections in the time signal receiver, for example by an externally irradiated signal with high field strength. This prevents a subsequent change of the program instructions transmitted in the programming process, which is of particular interest when determining different functional scopes for the time signal receiver.
  • a freely programmable instruction sequence intended for execution by the receiving means and / or the processing means is stored in the memory means.
  • functions can be implemented in the time signal receiver, which are not already created in the layout of the time signal receiver. These may be, for example, country-specific parameters for decoding the time signal or additional software that is to run in the time signal receiver.
  • a programmable time signal receiver having receiving means for wirelessly receiving an electromagnetic time signal and / or a program instruction and processing means for processing the time signal and / or programming instructions, wherein the receiving means and / or the processing means are associated with memory means which are designed for temporary storage of programming instructions and for providing the instructions to the receiving means and / or to the processing means, the receiving means and / or the processing means being adapted to extract programming instructions from the time signal and / or from a programming signal and store the programming instructions in the memory means.
  • the programming signal is a programmer coded with a plurality of programming instructions based on a programming protocol other than the timing log
  • a programming device for wireless programming of a time signal receiver is provided with memory means for storing instructions for the time signal receiver and with a transmission device, in particular a long wave transmission device, for providing an electromagnetic signal, and with a control device which is used to encode the instructions in FIG the electromagnetic signal is set up, proposed.
  • a transmission device in particular a long wave transmission device, for providing an electromagnetic signal
  • a control device which is used to encode the instructions in FIG the electromagnetic signal is set up
  • a parallel or a sequential execution of a programming and a function test directed to the time signal reception can be carried out, in particular for time signal receivers which are set up to receive and evaluate time signals according to the DCF-77 protocol ,
  • control device for coding a time signal with programming instructions in accordance with a predeterminable time signal protocol and for coding a programming instruction according to a predetermined programming protocol for time signal receiver is switchable.
  • the programmer can be used in addition to the programming function for those time signal receivers that are not intended for a parallel implementation of programming and time signal reception, in a simple and cost-effective manner as a test device for the time signal reception.
  • Fig. 3 shows a block diagram of a highly simplified illustrated time signal receiver, present as Radio clock 100 is formed.
  • the radio clock 100 has an antenna 2 for receiving the time signal 3 transmitted by a time signal transmitter 101.
  • An integrated circuit 20 with a logic and control unit 30 is connected to the antenna 2.
  • Antenna 2 and integrated circuit 20 together form the receiver 1.
  • the outputs of the receiver 1 are followed by a program-controlled unit designed as a microcontroller 102 in the manner of processing means.
  • the microcontroller 102 receives the data bits generated by the receiver, calculates therefrom an exact time and an exact date and generates therefrom a signal 105 for time and date.
  • the radio-controlled clock 100 also has an electronic clock 103 whose time is controlled by means of a clock quartz 104.
  • the electronic clock 103 is connected to a display 106, for example a display, via which the time is displayed.
  • Fig. 4 shows on the basis of a detailed block diagram the executed as an integrated circuit 20 part of the time signal receiver.
  • the integrated circuit 20 has two inputs 21, 22 for connection to one or two antennas, not shown. By providing two or even more antennas, it is possible to tune the receiver 1 by switching between the antennas to different time signal transmitters operating in different wavelength ranges. With the switching, a frequency or antenna switching can be made.
  • a variable gain amplifier 4 can be connected to one of the antenna inputs 21, 22 by means of controllable switches 23, 24.
  • the other input of the control amplifier 4 is connected to inputs 21 22 '. In these inputs, for example, a reference signal IN1, IN2 can be coupled.
  • the control amplifier 4 is connected on the output side to an input of a post-amplifier 7. In between, a designed as a capacitor designed filter 6 is arranged, can be compensated with the parasitic capacitances between the inputs QL - QH.
  • the integrated circuit 20 also has a switch unit 25.
  • the switch unit 25 has, for example, a plurality of switchable filters at the inputs QL-QH, by means of which the switch unit 25 is designed to provide several frequencies on the output side. These frequencies can be adjusted via control inputs 26, 36, 37 of the switch unit 25. About one of the switch unit 25 provided Control signal 27, the control amplifier 4 can be influenced, in particular controllable.
  • the switch unit 25 further generates an output signal 28, which is coupled into a second input of the post-amplifier 7.
  • the post-amplifier 7 controls the downstream rectifier 8.
  • the rectifier 8 also generates on the output side an output signal 29, for example a rectangular output signal 29 (TCO signal), which is fed to a downstream logic and control unit 30.
  • APC signal automatic gain control
  • the logic and control unit 30 is connected to an input / output device 32 (I / O unit) which is connected to input / output terminals 33 of the integrated circuit 20. At these outputs 33, inter alia, the processed in the logic and control unit 30, decoded and stored time signals can be tapped.
  • One of the integrated circuit 20 downstream - in Fig. 4 not shown - microcontroller or a state machine built simply state (state machine) can read just these stored in the logic and control unit 30 and decoded time signals as needed.
  • a clock signal can be fed to the integrated circuit 20 or the logic and control unit 30 via the connections 33.
  • the integrated circuit further comprises terminals 36, 37, via which the logic and control unit 30 with control signals SS1, SS2 can be acted upon.
  • a programming device 200 is shown which is provided for a simultaneous programming of a plurality of time signal receivers 210 designed as radio-controlled wristwatches.
  • the programmer 200 has a plurality of adjusting knobs 220, 230, which are provided for setting the programming method or for setting the functions to be enabled in the time signal receivers.
  • the programming device 200 has an antenna 240 for the transmission of a long-wave time signal or programming signal, so that a wireless programming or a transmission of a time signal to the time signal receiver 210 can be made.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP07024338A 2006-12-20 2007-12-14 Procédé de programmation sans fil d'un récepteur de signal temporel, récepteur de signal temporel pouvant être programmé sans fil, ainsi qu'appareil de programmation pour une programmation sans fil d'un récepteur de signal temporel Withdrawn EP1936449A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006060924A DE102006060924B3 (de) 2006-12-20 2006-12-20 Verfahren zum drahtlosen Programmieren eines Zeitzeichenempfängers, drahtlos programmierbarer Zeitzeichenempfänger sowie Programmiergerät für eine drahtlose Programmierung eines Zeitzeichenempfängers

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EP1936449A1 true EP1936449A1 (fr) 2008-06-25

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EP07024338A Withdrawn EP1936449A1 (fr) 2006-12-20 2007-12-14 Procédé de programmation sans fil d'un récepteur de signal temporel, récepteur de signal temporel pouvant être programmé sans fil, ainsi qu'appareil de programmation pour une programmation sans fil d'un récepteur de signal temporel

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US (1) US20090003140A1 (fr)
EP (1) EP1936449A1 (fr)
DE (1) DE102006060924B3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130051184A1 (en) * 2011-08-26 2013-02-28 Oren Eliezer Real-time clock integrated circuit with time code receiver, method of operation thereof and devices incorporating the same

Citations (7)

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Publication number Priority date Publication date Assignee Title
DE3516810A1 (de) 1985-05-10 1986-11-13 Junghans Uhren GmbH, 7230 Schramberg Empfaenger fuer amplitudengetastete zeitzeichensignale
GB2304938A (en) * 1995-09-06 1997-03-26 Cheuk Fai Ho Master and one by one slave synchronisation
DE19625041A1 (de) 1996-06-22 1998-01-02 Junghans Uhren Gmbh Transponder-Uhr, insbesondere Armbanduhr
JP2005033326A (ja) * 2003-07-08 2005-02-03 Mitsubishi Electric Corp 時刻同期装置および送信装置
DE10334990A1 (de) 2003-07-31 2005-03-24 Atmel Germany Gmbh Funkuhr
US20050111304A1 (en) * 2001-09-21 2005-05-26 Quartex, Inc. Wireless synchronous time system
US20050122952A1 (en) * 2003-12-08 2005-06-09 Atmel Germany Gmbh Radio-controlled clock and method for automatically receiving and evaluating any one of plural available time signals

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Publication number Priority date Publication date Assignee Title
EP1426839B1 (fr) * 2001-09-10 2012-02-01 Citizen Holdings Co., Ltd. Horloge radio-corrigee
DE102004004411B4 (de) * 2004-01-29 2015-08-20 Atmel Corp. Funkuhr und Verfahren zur Gewinnung von Zeitinformationen
JP3876898B2 (ja) * 2004-07-28 2007-02-07 カシオ計算機株式会社 電波受信装置及び電波受信回路

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Publication number Priority date Publication date Assignee Title
DE3516810A1 (de) 1985-05-10 1986-11-13 Junghans Uhren GmbH, 7230 Schramberg Empfaenger fuer amplitudengetastete zeitzeichensignale
DE3516810C2 (fr) 1985-05-10 1988-05-05 Telefunken Electronic Gmbh, 7100 Heilbronn, De
GB2304938A (en) * 1995-09-06 1997-03-26 Cheuk Fai Ho Master and one by one slave synchronisation
DE19625041A1 (de) 1996-06-22 1998-01-02 Junghans Uhren Gmbh Transponder-Uhr, insbesondere Armbanduhr
US20050111304A1 (en) * 2001-09-21 2005-05-26 Quartex, Inc. Wireless synchronous time system
JP2005033326A (ja) * 2003-07-08 2005-02-03 Mitsubishi Electric Corp 時刻同期装置および送信装置
DE10334990A1 (de) 2003-07-31 2005-03-24 Atmel Germany Gmbh Funkuhr
US20050122952A1 (en) * 2003-12-08 2005-06-09 Atmel Germany Gmbh Radio-controlled clock and method for automatically receiving and evaluating any one of plural available time signals

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Title
PETER HETZEL: "Zeitinformation und Normalfrequenz", TELEKOM PRAXIS, vol. 1, 1993

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US20090003140A1 (en) 2009-01-01
DE102006060924B3 (de) 2008-06-19

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