EP0439725A3 - Autonomous radio clock - Google Patents

Autonomous radio clock Download PDF

Info

Publication number
EP0439725A3
EP0439725A3 EP19900123145 EP90123145A EP0439725A3 EP 0439725 A3 EP0439725 A3 EP 0439725A3 EP 19900123145 EP19900123145 EP 19900123145 EP 90123145 A EP90123145 A EP 90123145A EP 0439725 A3 EP0439725 A3 EP 0439725A3
Authority
EP
European Patent Office
Prior art keywords
radio clock
autonomous radio
autonomous
clock
radio
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.)
Granted
Application number
EP19900123145
Other languages
German (de)
Other versions
EP0439725B1 (en
EP0439725A2 (en
EP0439725B2 (en
Inventor
Wolfgang Ganter
Wolfram Hodapp
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.)
Junghans Uhren GmbH
Original Assignee
Junghans Uhren 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6399078&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0439725(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0439725A2 publication Critical patent/EP0439725A2/en
Publication of EP0439725A3 publication Critical patent/EP0439725A3/en
Publication of EP0439725B1 publication Critical patent/EP0439725B1/en
Application granted granted Critical
Publication of EP0439725B2 publication Critical patent/EP0439725B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/12—Arrangements for reducing power consumption during storage
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
EP90123145A 1990-01-31 1990-12-04 Autonomous radio-controlled clock Expired - Lifetime EP0439725B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4002723A DE4002723C2 (en) 1990-01-31 1990-01-31 Autonomous radio clock
DE4002723 1990-01-31

Publications (4)

Publication Number Publication Date
EP0439725A2 EP0439725A2 (en) 1991-08-07
EP0439725A3 true EP0439725A3 (en) 1992-01-15
EP0439725B1 EP0439725B1 (en) 1994-03-09
EP0439725B2 EP0439725B2 (en) 1997-07-02

Family

ID=6399078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123145A Expired - Lifetime EP0439725B2 (en) 1990-01-31 1990-12-04 Autonomous radio-controlled clock

Country Status (5)

Country Link
US (1) US5177714A (en)
EP (1) EP0439725B2 (en)
DE (2) DE4002723C2 (en)
ES (1) ES2051442T3 (en)
HK (1) HK118094A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9110462U1 (en) * 1991-08-23 1992-12-24 Junghans Uhren GmbH, 7230 Schramberg Autonomous radio clock with time zone switching
DE4229400A1 (en) * 1991-09-06 1993-03-11 Senden Uhrenfab Gmbh Electric quartz or radio quartz clock with waking up alarm unit - contains electric current supply for quartz movement also analogue or digital time indicator or both and hand operated winder which drives electric generator
DE4336549A1 (en) * 1993-10-27 1995-05-04 Braun Ag Electronic clock
JP3313215B2 (en) * 1993-12-10 2002-08-12 セイコーインスツルメンツ株式会社 Radio-controlled electronic clock
DE4416869A1 (en) * 1994-05-13 1995-11-16 Opel Adam Ag Control device for a clock to be synchronized by radio signals
DE4446568C2 (en) * 1994-12-24 1999-03-11 Telefunken Microelectron Autonomous radio clock with automatic time zone adjustment
DE29504027U1 (en) * 1995-03-09 1995-05-18 TAMSIT Vertriebsgesellschaft mbH, 22047 Hamburg Electronic clock, in particular pocket or wristwatch
JP3721888B2 (en) * 1998-12-04 2005-11-30 セイコーエプソン株式会社 Portable electronic device and method for controlling portable electronic device
JP3454269B1 (en) * 2002-03-26 2003-10-06 セイコーエプソン株式会社 Radio-controlled clock and method of controlling radio-controlled clock
US7012856B2 (en) * 2002-05-24 2006-03-14 Keith Kibiloski Radio-controlled clock
US7230884B2 (en) * 2003-01-03 2007-06-12 The Sapling Company, Inc. Clock diagnostics
JP4965978B2 (en) * 2006-11-22 2012-07-04 セイコーインスツル株式会社 Radio clock
US20090016167A1 (en) * 2007-07-09 2009-01-15 Seiko Epson Corporation Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method
EP2896319B1 (en) 2014-01-21 2018-04-18 Braun GmbH Electric toothbrush or electric shaver

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530985A1 (en) * 1975-07-11 1977-01-20 Licentia Gmbh Electronic calculator with clock - minimises power requirement by utilising national standard coded time signals
DE3043867A1 (en) * 1980-11-21 1982-07-01 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Regulating system for radio controlled clock - uses correction device in digital section between receiving section and manual adjustment
EP0308881A2 (en) * 1987-09-23 1989-03-29 Junghans Uhren Gmbh Radio-controlled watch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881310A (en) * 1971-03-02 1975-05-06 Diehl Clock adapted to be synchronized by alternating current in a wireless manner
US4117661A (en) * 1975-03-10 1978-10-03 Bryant Jr Ellis H Precision automatic local time decoding apparatus
US4023344A (en) * 1975-09-03 1977-05-17 Kabushiki Kaisha Suwa Seikosha Automatically corrected electronic timepiece
JPS533870A (en) * 1976-07-01 1978-01-13 Seiko Instr & Electronics Ltd Radio wave control electronic wristwatch
JPS5563781A (en) * 1978-11-06 1980-05-14 Seiko Instr & Electronics Ltd Analog electronic watch
JPS5590883A (en) * 1978-12-29 1980-07-09 Osawa Shokai:Kk Clock
JPS5950950B2 (en) * 1979-04-13 1984-12-11 セイコーインスツルメンツ株式会社 electronic clock with radio
JPS5679281A (en) * 1979-12-03 1981-06-29 Norio Iwasaki Time-correcting apparatus of timepiece by time signal tone
DE3015312A1 (en) * 1980-04-21 1981-10-22 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Display of signal quality received by radio controlled clock - compares second timing impulses with reference level to drive visual indicator
US4582434A (en) * 1984-04-23 1986-04-15 Heath Company Time corrected, continuously updated clock
DE3439638C1 (en) * 1984-10-30 1986-05-15 Gebrüder Junghans GmbH, 7230 Schramberg Autonomous radio clock
JPS61144588A (en) * 1984-12-18 1986-07-02 Seiko Epson Corp Electronic wristwatch
DE3510636C3 (en) * 1985-03-23 1997-06-05 Junghans Gmbh Geb Autonomous radio clock with time signal generator
DE3707728A1 (en) * 1987-03-11 1988-09-22 Junghans Uhren Gmbh AUTONOMOUS RADIO WATCH
US4823328A (en) * 1987-08-27 1989-04-18 Conklin Charles C Radio signal controlled digital clock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530985A1 (en) * 1975-07-11 1977-01-20 Licentia Gmbh Electronic calculator with clock - minimises power requirement by utilising national standard coded time signals
DE3043867A1 (en) * 1980-11-21 1982-07-01 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Regulating system for radio controlled clock - uses correction device in digital section between receiving section and manual adjustment
EP0308881A2 (en) * 1987-09-23 1989-03-29 Junghans Uhren Gmbh Radio-controlled watch

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU. Bd. 50, Nr. 12, Juni 1978, MUNCHEN DE Seiten 579 - 582; BERGER: 'DCF-77-Uhr mit Mikroprozessor' *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 341 (P-517)(2397) 18. November 1986 & JP-A-61 144 588 ( SEIKO EPSON ) *
PATENT ABSTRACTS OF JAPAN vol. 2, no. 40 (E-78)16. März 1978 & JP-A-53 003 870 ( DAINI SEIKOSHA ) *

Also Published As

Publication number Publication date
US5177714A (en) 1993-01-05
HK118094A (en) 1994-11-04
EP0439725B1 (en) 1994-03-09
EP0439725A2 (en) 1991-08-07
DE4002723C2 (en) 2003-06-26
EP0439725B2 (en) 1997-07-02
ES2051442T3 (en) 1994-06-16
DE4002723A1 (en) 1991-08-01
DE59004925D1 (en) 1994-04-14

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