JP6018201B2 - 衛星電波腕時計 - Google Patents
衛星電波腕時計 Download PDFInfo
- Publication number
- JP6018201B2 JP6018201B2 JP2014524848A JP2014524848A JP6018201B2 JP 6018201 B2 JP6018201 B2 JP 6018201B2 JP 2014524848 A JP2014524848 A JP 2014524848A JP 2014524848 A JP2014524848 A JP 2014524848A JP 6018201 B2 JP6018201 B2 JP 6018201B2
- Authority
- JP
- Japan
- Prior art keywords
- time
- reception
- satellite radio
- time information
- radio wave
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
-
- 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
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- 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
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
- G04R20/04—Tuning or receiving; Circuits therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
- G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
- G04B47/061—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass calculating scales for indicating relationship between quantity and time
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
- G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
- G04B47/065—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass with a compass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Description
(1)継続操作検知動作
(2)起動動作
(3)捕捉追尾動作
(4)時刻情報取得動作
(5)日情報取得動作
(6)時刻情報転送動作
(7)受信表示動作
(8)受信結果表示動作
(9)前回受信結果表示動作
<第1の受信動作>
<第2の受信動作>
<第3の受信動作>
<第4の受信動作>
Claims (6)
- 衛星電波を受信するアンテナと、高周波回路と、デコーダ回路を有する衛星電波受信部と、
内部時刻を保持するとともに計時する時計回路と、
ユーザの操作を受け付ける操作部材と、
少なくとも、前記衛星電波受信部に電源を供給し起動させる起動動作、前記衛星電波受信部により特定の衛星電波を捕捉し追尾する捕捉追尾動作、及び、前記衛星電波受信部により受信された衛星電波より時刻情報を取得する時刻情報取得動作のタイミングを制御するとともに、前記操作部材を操作することによるユーザの受信指示を検知するコントローラと、を有し、
前記コントローラは、前記受信指示のあった時点から前記内部時刻に基き予測される最近の時刻情報受信可能時点までの猶予時間が第1の閾値より長く第2の閾値より短い場合には、直ちに前記起動動作を開始させ、
前記猶予時間が前記第2の閾値より長い場合には、前記最近の時刻情報受信可能時点から逆算される起動時点の到来を待って前記起動動作を開始させ、
前記猶予時間が前記第1の閾値より短い場合には、最近の次の時刻情報受信可能時点から逆算される起動時点の到来を待って前記起動動作を開始させる衛星電波腕時計。 - 前記コントローラは、前記起動動作の終了後直ちに前記捕捉追尾動作を開始し、前記最近の時刻情報受信可能時点の到来を待って前記時刻情報取得動作を開始させる請求項1に記載の衛星電波腕時計。
- さらに、少なくとも第1の受信動作中であること及び第2の受信動作中であることを表示する表示部材を有し、
前記コントローラは、前記猶予時間が前記第1の閾値より長く前記第2の閾値より短い場合には、前記表示部材に第1の受信動作中であることを表示させ、
前記猶予時間が前記第2の閾値より長い場合又は前記第1の閾値より短い場合には、前記表示部材に第2の受信動作中であることを表示させる請求項1又は2に記載の衛星電波腕時計。 - 前記コントローラは、前回の時刻情報の取得に失敗している場合には、前記受信指示があった後直ちに前記起動動作を開始させる請求項1乃至3のいずれかに記載の衛星電波腕時計。
- 前記コントローラは、前回の時刻情報の取得時点からの経過時間が第3の閾値より長い場合には、前記受信指示があった後直ちに前記起動動作を開始させる請求項1乃至4のいずれかに記載の衛星電波腕時計。
- 前記操作部材はプッシュボタンであり、
前記コントローラは、前記操作部材が押下げられている時間が第1の継続時間に達した場合に前記受信指示があったものとし、前記操作部材が押下げられている時間が第2の継続時間に達することなく前記操作部材の押下げが中断した場合には前記受信指示を取り下げ、前記衛星電波受信部の動作を直ちに終了させる請求項1乃至5のいずれかに記載の衛星電波腕時計。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012155973 | 2012-07-11 | ||
JP2012155973 | 2012-07-11 | ||
PCT/JP2013/068908 WO2014010645A1 (ja) | 2012-07-11 | 2013-07-10 | 衛星電波腕時計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2014010645A1 JPWO2014010645A1 (ja) | 2016-06-23 |
JP6018201B2 true JP6018201B2 (ja) | 2016-11-02 |
Family
ID=49916093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014524848A Active JP6018201B2 (ja) | 2012-07-11 | 2013-07-10 | 衛星電波腕時計 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9185672B2 (ja) |
EP (1) | EP2874027B1 (ja) |
JP (1) | JP6018201B2 (ja) |
CN (1) | CN104428724B (ja) |
WO (1) | WO2014010645A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9483029B2 (en) | 2014-03-06 | 2016-11-01 | Seiko Epson Corporation | Timepiece and electronic timepiece |
JP6459647B2 (ja) * | 2015-03-06 | 2019-01-30 | セイコーエプソン株式会社 | 電子時計および電子時計の制御方法 |
CN106527110B (zh) * | 2016-10-20 | 2019-10-01 | 广西大学 | 一种基于核密度估计法的bds与gps双源秒脉冲无缝切换方法 |
JP6866712B2 (ja) * | 2017-03-21 | 2021-04-28 | カシオ計算機株式会社 | 電子時計、受信動作制御方法及びプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008032638A (ja) * | 2006-07-31 | 2008-02-14 | Seiko Epson Corp | 測位装置、測位方法及び測位装置を有する時計 |
JP2008032636A (ja) | 2006-07-31 | 2008-02-14 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
US7701390B2 (en) | 2007-07-09 | 2010-04-20 | Seiko Epson Corporation | Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
JP5374912B2 (ja) * | 2007-08-02 | 2013-12-25 | セイコーエプソン株式会社 | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
JP2011043449A (ja) * | 2009-08-24 | 2011-03-03 | Seiko Epson Corp | 衛星信号受信装置および衛星信号受信装置の制御方法 |
JP2011145122A (ja) * | 2010-01-13 | 2011-07-28 | Citizen Holdings Co Ltd | 無線機能付き電子時計 |
JP5710139B2 (ja) * | 2010-03-26 | 2015-04-30 | シチズンホールディングス株式会社 | 衛星電波腕時計 |
JP2011208948A (ja) * | 2010-03-26 | 2011-10-20 | Citizen Holdings Co Ltd | 電波腕時計 |
JP5519473B2 (ja) * | 2010-10-28 | 2014-06-11 | シチズンホールディングス株式会社 | Gps時計 |
-
2013
- 2013-07-10 EP EP13816886.9A patent/EP2874027B1/en not_active Not-in-force
- 2013-07-10 US US14/413,709 patent/US9185672B2/en not_active Expired - Fee Related
- 2013-07-10 JP JP2014524848A patent/JP6018201B2/ja active Active
- 2013-07-10 CN CN201380037064.2A patent/CN104428724B/zh not_active Expired - Fee Related
- 2013-07-10 WO PCT/JP2013/068908 patent/WO2014010645A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN104428724A (zh) | 2015-03-18 |
CN104428724B (zh) | 2017-06-23 |
US9185672B2 (en) | 2015-11-10 |
EP2874027A4 (en) | 2016-01-20 |
EP2874027A1 (en) | 2015-05-20 |
EP2874027B1 (en) | 2018-02-14 |
US20150139374A1 (en) | 2015-05-21 |
WO2014010645A1 (ja) | 2014-01-16 |
JPWO2014010645A1 (ja) | 2016-06-23 |
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