EP2746879A2 - Montre-bracelet radio - Google Patents

Montre-bracelet radio Download PDF

Info

Publication number
EP2746879A2
EP2746879A2 EP13005202.0A EP13005202A EP2746879A2 EP 2746879 A2 EP2746879 A2 EP 2746879A2 EP 13005202 A EP13005202 A EP 13005202A EP 2746879 A2 EP2746879 A2 EP 2746879A2
Authority
EP
European Patent Office
Prior art keywords
radio
dial
signal
recess
antenna
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Withdrawn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
EP13005202.0A
Other languages
German (de)
English (en)
Other versions
EP2746879A3 (fr
Inventor
Wolfgang Heck
Johannes Heck
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.)
Emes Intellectual Property Ltd
Original Assignee
Emes Intellectual Property Ltd
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 Emes Intellectual Property Ltd filed Critical Emes Intellectual Property Ltd
Publication of EP2746879A2 publication Critical patent/EP2746879A2/fr
Publication of EP2746879A3 publication Critical patent/EP2746879A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • G04R60/10—Antennas attached to or integrated in clock or watch bodies inside cases
    • G04R60/12—Antennas attached to or integrated in clock or watch bodies inside cases inside metal cases

Definitions

  • the present invention relates to a radio-controlled watch according to the preamble of claim 1.
  • the present invention seeks to provide a radio wristwatch of the type mentioned, which ensures adequate reception despite the metal dial even with weak radio signals, and yet allows a variety of designerischen design options.
  • the present invention is based on the finding that the recess in the passage of the radio signal does not necessarily have to be located in the region of the radio antenna, or in the region of the coil of the radio antenna, but that it is sufficient for proper operation, this recess at any point to be provided on the dial.
  • a trained according to this technical teaching wireless wristwatch has the advantage that due to the arbitrary arrangement of the signal recess a variety of design options of the dial are possible so that the customer's taste can be accommodated without the designer needs to take into account technical aspects.
  • the dial is spaced in the axial direction less than 0.5 mm from the radio antenna, in particular from the surface of the coil of the radio antenna. This has the advantage that the height of the wireless wristwatch can be reduced so that the design of elegant wireless wristwatches is possible.
  • the signal gap should make up between 3% and 33%, preferably between 5% and 20%, of the surface of the dial, while still allowing good reception of the radio signal.
  • the signal recess is closed with a non-metallic material. This opens up further design possibilities and at the same time prevents the user of the radio-controlled wristwatch from being able to look directly at the movement or radio module, which as a rule is not aesthetically very high-quality.
  • the signal recess is annularly encircling, in particular annular circumferentially arranged on the outer edge of the dial.
  • the signal recess may be formed as one or more circular areas or as an elongated strip. Also a ring segment or horseshoe-shaped training or training with intersecting, elongated strip is possible. All these Embodiments are aesthetically pleasing and enhance the dial.
  • FIG. 1 to 4a and 4b A first embodiment of a radio-controlled watch according to the invention is shown, the housing of which comprises a housing middle part 10, a watch glass 12 attached to the middle part of the housing and a removable floor 14.
  • both the bottom 14, and the middle part 10 are made of a metallic material.
  • a radio module 16 is provided with a central pointer shaft 18, a dial 20, and two pointers 22 held on the pointer shaft 18 and a bezel 24 for resting on the dial 20.
  • a radio antenna 26 comprising an antenna core 28 and a coil 30 is integrated in the radio module 16.
  • the radio antenna 26 is arranged such that the top of the radio antenna 26 is exposed and is not covered by other components.
  • an LCD display 32 is provided in the still other information such. As the second, the date or the like can be displayed.
  • the bezel 24 shown here is made of a plastic material, while the dial 20 of a metallic material, for. Brass, iron, aluminum, stainless steel, bronze, silver or an alloy with one or more of these materials.
  • the clock face of radio-controlled watches has the same diameter as the radio module, and the diameter of the dial can be larger than the diameter of the radio module.
  • the diameter of the dial 20 is significantly smaller than the diameter of the radio module 16, so that in comparison to the known dials around the dial 20 around an annular signal recess 34 forms, through which the radio signal can reach the radio antenna 26, when the coil 30 and parts of the antenna core 28 are covered by the metal dial 20.
  • an axially downwardly directed fixing pin 36 is provided, which fits a corresponding recess 38 in the radio module 16.
  • a second such fixing pin is provided on the opposite side of the dial 20. With this fixing pin 36, the dial 20 can be secured against slipping on the radio module 16 attach.
  • a fixing pin 40 is provided which extends through a fixing pin 40 corresponding opening 42 in the dial 20 through to a corresponding recess 44 in the radio module 16 to the bezel 24 against rotation on the radio module 16 hold.
  • the bezel 24 is made of a plastic material and dimensioned so that the inner edge of the bezel 24 extends to the dial 20, so that the signal recess 34 is completely covered by the bezel 24. This has the advantage that the user of the radio-controlled watch does not see the signal recess 34.
  • the radio-controlled wristwatch shown has been found to receive the radio signal from the radio antenna sufficiently, although the housing middle part 10, the dial 20 and the bottom 14 of the housing are formed of a metallic material.
  • the annular signal recess 34 is thus sufficient to be able to receive the radio signal, even if the signal recess 34 is covered by the non-metallic bezel.
  • Fig. 5 illustrated second embodiment of a radio alarm according to the invention differs from that in the Figures 1 to 4b shown first embodiment only in that here no LCD display and accordingly no signal recesses in the dial is provided. Although this increases the area of the metal dial, the radio signal nevertheless sufficiently reaches the radio antenna of the radio-controlled wristwatch.
  • the diameter of the dial is as known in the prior art as large as the radio module or even larger, but has in the fifth embodiment 3 and in the sixth embodiment 4 circular signal recesses. These signal recesses can be arranged anywhere, z. B. as in Fig. 8 displayed at 3, 6 and 9 o'clock or as in Fig. 9 shown at 3, 6, 9 and 12 o'clock.
  • the signal recess is designed as a rectangle, while in the Fig. 11 illustrated eighth embodiment, the signal recess is formed as an elongated strip dividing the dial into an upper and a lower part.
  • the signal recess is formed of two intersecting thin strips, wherein the crossing point is arranged here in the region of the pointer shaft. In another embodiment not shown here, the point of intersection may also be at another location.
  • Fig. 13 illustrated tenth embodiment shows a semi-annular shaped signal recess, which is arranged in the interior of the dial, wherein the diameter of the dial is as large as the diameter of the radio module or larger.
  • the signal recess is formed horseshoe-shaped and extends at its two free ends on the antenna core.
  • the radio antenna 26 is inserted so deep into the radio module 16 that the axial distance between the dial 20 and the surface of the coil 30 is less than 0.5 mm, preferably 0.3 mm and ideally 0.2 mm.
  • the radio antenna is arranged such that the dial comes to rest on the coil. This is harmless to the operation of the radio antenna, because the coil is usually covered by a protective layer, so that the metal dial here does not adversely affect the reception of the signal.
  • the size of the signal recess 34 can be chosen arbitrarily, but should make up at least 3% of the surface of the dial, so that the radio signal finds its way through the dial to the radio antenna. Due to the otherwise metallic dial 20, metallic housing middle part 10 and metallic bottom 14, the radio antenna 26 is surrounded except for the signal recess 34 of metallic parts, it has been found that the at least 3% recess sufficient to allow the proper reception of the radio signal by the radio antenna.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP13005202.0A 2012-11-06 2013-11-04 Montre-bracelet radio Withdrawn EP2746879A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012021780.3A DE102012021780A1 (de) 2012-11-06 2012-11-06 Funkarmbanduhr

Publications (2)

Publication Number Publication Date
EP2746879A2 true EP2746879A2 (fr) 2014-06-25
EP2746879A3 EP2746879A3 (fr) 2017-03-29

Family

ID=49546224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13005202.0A Withdrawn EP2746879A3 (fr) 2012-11-06 2013-11-04 Montre-bracelet radio

Country Status (2)

Country Link
EP (1) EP2746879A3 (fr)
DE (1) DE102012021780A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063121A1 (de) 2004-12-22 2006-07-13 Junghans Uhren Gmbh Funkarmbanduhr mit Metallzifferblatt
DE102005062934A1 (de) 2005-01-07 2006-07-27 Seiko Instruments Inc. Funkuhr

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4258173B2 (ja) * 2001-09-14 2009-04-30 セイコーエプソン株式会社 無線機能付き腕時計
JP4937813B2 (ja) * 2007-03-30 2012-05-23 シチズンホールディングス株式会社 無線機能付き時計
JP2010230374A (ja) * 2009-03-26 2010-10-14 Citizen Watch Co Ltd 無線機能付き時計

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063121A1 (de) 2004-12-22 2006-07-13 Junghans Uhren Gmbh Funkarmbanduhr mit Metallzifferblatt
DE102005062934A1 (de) 2005-01-07 2006-07-27 Seiko Instruments Inc. Funkuhr

Also Published As

Publication number Publication date
DE102012021780A1 (de) 2014-05-08
EP2746879A3 (fr) 2017-03-29

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