WO2002014962A1 - Systeme de reception - Google Patents

Systeme de reception Download PDF

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Publication number
WO2002014962A1
WO2002014962A1 PCT/JP2001/006900 JP0106900W WO0214962A1 WO 2002014962 A1 WO2002014962 A1 WO 2002014962A1 JP 0106900 W JP0106900 W JP 0106900W WO 0214962 A1 WO0214962 A1 WO 0214962A1
Authority
WO
WIPO (PCT)
Prior art keywords
wave
radio
long
receiving
antenna
Prior art date
Application number
PCT/JP2001/006900
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Makino
Yoichi Takahashi
Yukio Katayanagi
Original Assignee
Nippon Television Network Corporation
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 Nippon Television Network Corporation filed Critical Nippon Television Network Corporation
Priority to JP2002520030A priority Critical patent/JP4917239B2/ja
Priority to AU2001278704A priority patent/AU2001278704A1/en
Publication of WO2002014962A1 publication Critical patent/WO2002014962A1/fr

Links

Classifications

    • 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 receiving system for receiving a long-wave radio wave of a radio-controlled timepiece.
  • a receiving system for receiving a long-wave radio wave of a radio-controlled timepiece.
  • the long-wave radio wave does not normally reach and the time correction function of the radio-controlled timepiece is used.
  • the present invention relates to a system and a method capable of using a time adjustment function of a radio clock even in a place where it is not possible to do so.
  • Some long standard radio waves have time calendar information modulated as a time code, and are widely used in Europe.
  • the radio wave with the time code it is not necessary to adjust the time of the clock in advance, unlike a clock with a radio wave correction function that uses the time signal of a radio TV broadcast, and the time of the clock is adjusted in advance. If the radio wave correction is completed even when the radio is not turned on, the time can be captured accurately. Therefore, a radio-controlled clock that receives time-coded radio waves not only has accurate time but also does not require time adjustment. Therefore, it is possible to supply a watch that is very easy to use.
  • the wavelength of long waves is long, so the range that can be received is limited.
  • facilities such as buildings can receive only a part of the window side, and the standard of long waves is The radio wave did not arrive and the time adjustment function of the radio clock could not be used.
  • time management was strict, such as at television stations, the time was adjusted for the clock installed in the station at predetermined intervals.
  • the time correction reference signal was being input from the laid cable.
  • An object of the present invention is to solve the above problems.
  • an object of the present invention is to transmit a received long-wave radio wave to a facility by an electric field or a magnetic field, so that a long-wave radio wave can be received even in a place where a long-wave radio wave cannot be normally received.
  • An object of the present invention is to provide a system and a method that can use a time correction function of a radio-controlled timepiece.
  • An object of the present invention is to provide a long-wave radio wave receiving system for receiving a long-wave radio wave for time correction of a radio-controlled timepiece
  • a receiving antenna for receiving long-wave radio waves for correcting radio-wave clocks and a radio-leakage cable connected to the receiving antenna and routed inside the facility to emit very weak radio waves.
  • a radio wave receiving system characterized by having: In addition, it further has a radio clock that receives long-wave radio waves leaked from the radio wave leaking cable.
  • the receiving antenna can be a loop antenna or a wire antenna.
  • the radio wave leaking cable is routed in a loop shape, and it is more preferable that a plurality of radio wave leaking cables are routed in a loop shape so as to be adjacent to each other.
  • an adjusting means which is connected to the receiving antenna and the radio wave leaking cable and adjusts the receiving intensity of the long wave radio wave on each floor in the facility.
  • An object of the present invention is to provide a long-wave radio wave receiving system for receiving a long-wave radio wave for time correction of a radio-controlled timepiece
  • the receiving antenna can be a loop antenna or a single antenna.
  • wire antennas it is preferable to arrange the wire antennas in a loop, and it is more preferable to arrange a plurality of wire antennas in a loop so as to be adjacent to each other.
  • Adjusting means connected to the receiving antenna and the wire antenna to adjust the reception intensity of the long-wave radio wave on each floor in the facility. It is preferable to have
  • An object of the present invention is to provide a long-wave radio wave receiving system for receiving a long-wave radio wave for time correction of a radio-controlled timepiece
  • a receiving antenna for receiving a long-wave radio wave for correcting a radio-controlled timepiece; a cable connected to the receiving antenna, routed in a facility; and a long-wave radio wave re-emission means connected to the cable and re-radiating the long-wave radio wave.
  • the receiving antenna can be a loop antenna or a wire antenna.
  • a ferrite bar antenna can be considered as a means for re-radiating long-wave radio waves.
  • an adjusting means connected to the receiving antenna and the long wave radio wave re-radiating means, and for adjusting the reception intensity of the long wave radio wave on each floor in the facility.
  • An object of the present invention is a receiving system for receiving a time correction signal of a radio controlled watch
  • a receiving antenna for receiving a radio-wave clock correction signal of a long-wave radio wave; and a conductive cable or a wire connected to the reception antenna, routed in the facility to form a magnetic field space, and transmitting the radio-clock correction signal.
  • a radio wave receiving system characterized by having: It further includes a radio clock that receives a clock correction signal transmitted in the magnetic field space.
  • the receiving antenna can be a loop antenna or a wire antenna.
  • the conductive cables or wires are preferably routed in a loop, and more preferably, a plurality of conductive cables or wires are routed in a loop so as to be adjacent to each other.
  • an adjusting means connected to the receiving antenna and the conductive cable or electric wire for adjusting the receiving intensity of the long-wave radio wave on each floor in the facility.
  • An object of the present invention is a time adjustment method for adjusting the time of a radio clock using a long wave radio wave for time adjustment
  • an object of the present invention is a time adjustment method for adjusting the time of an electronic clock using a long wave radio wave for time adjustment
  • the object of the present invention is a structure
  • a receiving antenna for receiving a long-wave radio wave for correcting a radio-controlled timepiece is arranged, and an electric wave leaking cable that is connected to the receiving antenna and emits a very weak radio wave is routed or buried in a floor or a ceiling.
  • the object of the present invention is a structure
  • a receiving antenna for receiving a long-wave radio wave for correcting a radio-controlled timepiece is disposed, and a conductive cable connected to the receiving antenna and forming a magnetic field space in the structure to transmit a signal for correcting a radio-controlled timepiece is provided.
  • This is achieved by structures characterized by being routed or buried in the floor or ceiling.
  • FIG. 1 is a diagram for explaining the first embodiment
  • FIG. 2 is a diagram for explaining the first embodiment
  • FIG. 3 is a diagram for explaining the first embodiment
  • 4 is a diagram for explaining the first embodiment
  • FIG. 5 is a diagram for explaining the third embodiment
  • FIG. 6 is a diagram for explaining the fourth embodiment
  • FIG. 7 is a diagram for explaining the fourth embodiment
  • FIG. 7 is a diagram for explaining the fourth embodiment
  • FIG. 8 is a diagram for explaining the fourth embodiment
  • FIG. 9 is a diagram for explaining the fourth embodiment
  • FIG. 10 is a diagram for explaining the fourth embodiment.
  • FIG. 1, FIG. 2, FIG. 3, and FIG. 4 are views for explaining the first embodiment. It should be noted that a long-wave radio wave receiving system according to the present embodiment is provided. Building 1 will be described as an example.
  • a receiving antenna 2 for receiving a long-wave radio wave used for time adjustment of a radio clock is installed on the roof of a building 1.
  • the receiving antenna 2 is preferably a loop antenna in consideration of the fact that the received radio wave is a long wave having a long wavelength.
  • a single antenna may be used because of its large gain.
  • the bandpass filter 13 and the amplifier 4 are connected to the receiving antenna 2.
  • the node path filter 3 filters a signal other than an extra signal from the radio wave received by the reception antenna 2, and the filtered signal is amplified by the amplifier 4.
  • the impedance is adjusted by the distributor and the amplifier 4 described later.
  • a distributor 5 for distributing the signal output from the amplifier 4 is provided on each floor of the pill 1.
  • the splitter 5 is configured so that the impedance of the amplifier 4 is adjusted with that of the amplifier 4 and the signal is uniformly distributed to each floor.
  • a leaking cable 6 is connected to each distributor 5, and the leaking cable 6 is routed in the ceiling 8 on each floor of the building 1. From the leakage cable 6, an extremely weak radio wave is radiated by the electric field.
  • the end of the leaky cable 6 to be routed may not only be open as shown in FIG. 3 but may be short. Further, as shown in FIG. 4, the leakage cable 6 may be routed so as to form a plurality of loops.
  • the leaky cable 6 is routed in the ceiling portion 8, but may be routed on the floor portion. Also, a plurality of leaky cables 6 may be routed in a loop.
  • the long-wave radio wave radiated from the leaky cable 6 is received by the radio clock 7, and the radio clock 7 corrects the time using the received long-wave radio. Since the configuration of the radio controlled watch 7 is a widely known technique, the details of the configuration are omitted.
  • the above-mentioned leaked radio waves should be radiated as very weak radio waves that do not violate the Radio Law to prevent the outside of Building 1 from being affected by the leaked radio waves.
  • the second embodiment is characterized in that a wire antenna is used in place of the leakage cable 6 of the first embodiment.
  • the same effect as in the first embodiment can be obtained by retransmitting the long-wave radio waves received by the receiving antenna 2.
  • the third embodiment is characterized by having re-radiation means such as an antenna for re-radiating radio waves, instead of the leaky cable 6 and the wire antenna in the first and second embodiments described above. And, hereinafter, the configuration will be described in detail with reference to FIG.
  • the cable 20 is connected to the distributor 5.
  • the cable 20 is configured by connecting the cables sequentially by the distributor 21. Then, cables 20 are routed inside the ceiling of each floor.
  • a coiled ferrite bar antenna 22 is connected to each distributor 21, and a very weak radio wave is radiated from the ferrite bar antenna 22. The radiated extremely weak radio wave is received by the radio clock 7 as in the first embodiment, and is used for time correction.
  • the concept of signal transmission by a magnetic field is used instead of the concept of re-radiation by an electric field in the first embodiment.
  • the fourth embodiment is characterized in that a conductive single-wire cable 40 is used in place of the leaky cable 6 in the first embodiment.
  • FIG. 6, FIG. 7, FIG. 8, FIG. 9, and FIG. 10 are diagrams for explaining the fourth embodiment. 6, 7, 8, 9, and 10, components having the same configuration as the above-described embodiment are denoted by the same reference numerals. Further, as a facility in which the long-wave radio wave reception system of the present embodiment is installed, a building 1 will be described as an example in the same manner as in the first embodiment.
  • a receiving antenna 2 is installed to receive the long-wave radio waves used to adjust the time of the radio clock.
  • This receiving antenna 2 is a loop antenna, considering that the received radio wave is a long wave having a long wavelength.
  • a wire antenna or a ferrite bar antenna that takes in a magnetic field may be used because of its large gain.
  • the receiving antenna 2 is connected to a node path filter 3 and an amplifier 4.
  • the bandpass filter 3 filters out signals other than extra signals from the radio wave received by the receiving antenna 2, and the filtered signal is amplified by the amplifier 4.
  • a distributor 5 for distributing the signal output from the amplifier 4 is provided on each floor of the pill 1.
  • this distributor 5 the impedance of the amplifier 4 and the antenna is adjusted, and the signal is uniformly distributed to each floor.
  • the input impedance of the operational amplifier is close to infinity, and the output impedance is close to zero. Therefore, the influence of the impedance adjustment amplifier (distributor 5) on the amplifier in the preceding stage is unlikely to be affected.
  • the impedance of the receiving antenna 2 is of a loop type and has a resistance of about 200 to 300 ⁇ , so the output impedance can be easily adjusted by providing L and C circuits at the amplifier output. be able to.
  • a single conductive cable 40 having good conductivity is connected to each distributor 5, and the single conductive cable 40 is routed in the ceiling 8 of each floor of the building 1. Have been. Then, a field by a magnetic field is formed in the space of each floor by the single-wire cable 40, and the received time correction signal of the received long-wave radio wave is transmitted to each floor in the building.
  • the single-wire cable 40 As a routing method, it is preferable to route the single-wire cable 40 in a loop to transmit signals more effectively. Further, as shown in FIG. 8, it is more preferable to arrange a plurality of single-wire cables 40 in a loop so as to be adjacent to each other.
  • one ceiling or floor is divided into multiple parts, and a single-wire cable 40 is routed every other divided part. good. Also in this case, it is the same that the wiring is performed so that the direction of the magnetic field generated by each single wire cable 40 becomes the same direction.
  • the single-wire cable 40 is routed in a circular shape.
  • the present invention is not limited to this shape, and the lone single-wire cable 40 shown in FIG. 10 is routed in a square shape. May be.
  • a plurality of loops may be arranged concentrically.
  • the time correction signal of the long-wave radio wave transmitted by the magnetic field formed by the single-wire cable 40 is received and detected by the radio clock 7. That is, the antenna of the radio-controlled timepiece 7 generates a terminal voltage from the detected magnetic field, and the radio-controlled timepiece 7 operates as if receiving a long-wave radio wave for the radio-controlled timepiece, and corrects the time.
  • the radio-controlled timepiece 7 is the same as that used in the first embodiment, and does not require a special configuration for the present embodiment. Therefore, the configuration is a widely known technique, and the details of the configuration are omitted.
  • the magnetic field filter is not required.
  • the concept of signal transmission by the field it is possible to transmit the received time correction signal of long-wave radio waves to the radio clock in the facility simply by routing a relatively short cable in the facility. It becomes possible.
  • the present invention is not limited to a building, and may be applied to a facility such as a theater. It goes without saying that you can do it.
  • Industrial applicability is not limited to a building, and may be applied to a facility such as a theater. It goes without saying that you can do it.
  • a long-wave radio wave received via a radio-leakage cable is radiated over the entire facility as a very weak radio wave.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

Une antenne (2) de réception installée sur le toit d'un bâtiment (1) reçoit une onde kilométrique qui est rayonnée sous forme d'onde très faible par des câbles (6) prévus sur des étages individuels du bâtiment (1). Des horloges (7) pilotées par radio reçoivent l'onde rayonnée pour maintenir l'heure avec exactitude.
PCT/JP2001/006900 2000-08-10 2001-08-10 Systeme de reception WO2002014962A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002520030A JP4917239B2 (ja) 2000-08-10 2001-08-10 受信システム
AU2001278704A AU2001278704A1 (en) 2000-08-10 2001-08-10 Receiving system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000241979 2000-08-10
JP2000-241979 2000-08-10

Publications (1)

Publication Number Publication Date
WO2002014962A1 true WO2002014962A1 (fr) 2002-02-21

Family

ID=18733076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/006900 WO2002014962A1 (fr) 2000-08-10 2001-08-10 Systeme de reception

Country Status (3)

Country Link
JP (1) JP4917239B2 (fr)
AU (1) AU2001278704A1 (fr)
WO (1) WO2002014962A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004015453A (ja) * 2002-06-07 2004-01-15 Shimizu Corp 長波標準電波伝送システム
JP2013015408A (ja) * 2011-07-04 2013-01-24 Nippon Antenna Co Ltd 標準電波伝送システム

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158980A (en) * 1980-05-13 1981-12-08 Seiko Instr & Electronics Ltd Electronic wrist watch
JPH04113727A (ja) * 1990-09-04 1992-04-15 Ocean Cable Co Ltd 屋内無線方式とその伝送線路
JPH06214054A (ja) * 1993-01-14 1994-08-05 Citizen Watch Co Ltd 電波受信機能付き電子時計
JPH08316720A (ja) * 1995-05-15 1996-11-29 Hitachi Ltd エレベータの無線機器装置
JPH1068785A (ja) * 1996-06-17 1998-03-10 S I I R D Center:Kk 電子機器
JPH11183666A (ja) * 1997-12-24 1999-07-09 Rhythm Watch Co Ltd 電波修正時計及び時刻表示システム
JPH11183667A (ja) * 1997-12-24 1999-07-09 Matsushita Electric Works Ltd 標準電波分配装置
JP2000075064A (ja) * 1998-08-31 2000-03-14 Rhythm Watch Co Ltd 時刻信号中継装置および時刻修正システム
JP2000147170A (ja) * 1998-08-31 2000-05-26 Rhythm Watch Co Ltd 時刻信号中継装置および時刻修正システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2888879B2 (ja) * 1989-09-30 1999-05-10 コーリン電子株式会社 無線通信装置
JPH05145451A (ja) * 1991-11-19 1993-06-11 Sekisui Chem Co Ltd 誘導磁界送受信アンテナ装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158980A (en) * 1980-05-13 1981-12-08 Seiko Instr & Electronics Ltd Electronic wrist watch
JPH04113727A (ja) * 1990-09-04 1992-04-15 Ocean Cable Co Ltd 屋内無線方式とその伝送線路
JPH06214054A (ja) * 1993-01-14 1994-08-05 Citizen Watch Co Ltd 電波受信機能付き電子時計
JPH08316720A (ja) * 1995-05-15 1996-11-29 Hitachi Ltd エレベータの無線機器装置
JPH1068785A (ja) * 1996-06-17 1998-03-10 S I I R D Center:Kk 電子機器
JPH11183666A (ja) * 1997-12-24 1999-07-09 Rhythm Watch Co Ltd 電波修正時計及び時刻表示システム
JPH11183667A (ja) * 1997-12-24 1999-07-09 Matsushita Electric Works Ltd 標準電波分配装置
JP2000075064A (ja) * 1998-08-31 2000-03-14 Rhythm Watch Co Ltd 時刻信号中継装置および時刻修正システム
JP2000147170A (ja) * 1998-08-31 2000-05-26 Rhythm Watch Co Ltd 時刻信号中継装置および時刻修正システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004015453A (ja) * 2002-06-07 2004-01-15 Shimizu Corp 長波標準電波伝送システム
JP2013015408A (ja) * 2011-07-04 2013-01-24 Nippon Antenna Co Ltd 標準電波伝送システム

Also Published As

Publication number Publication date
JP4917239B2 (ja) 2012-04-18
AU2001278704A1 (en) 2002-02-25

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