EP0455601A1 - Elektronische Uhr - Google Patents

Elektronische Uhr Download PDF

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Publication number
EP0455601A1
EP0455601A1 EP91810322A EP91810322A EP0455601A1 EP 0455601 A1 EP0455601 A1 EP 0455601A1 EP 91810322 A EP91810322 A EP 91810322A EP 91810322 A EP91810322 A EP 91810322A EP 0455601 A1 EP0455601 A1 EP 0455601A1
Authority
EP
European Patent Office
Prior art keywords
accumulator
movement
photovoltaic cells
dial
annular
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
EP91810322A
Other languages
English (en)
French (fr)
Other versions
EP0455601B1 (de
Inventor
Bernard-Eric Mathez
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.)
Cessione Epo raudemars SA
Original Assignee
Lemrich and Cie SA
R Audemars
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 Lemrich and Cie SA, R Audemars filed Critical Lemrich and Cie SA
Publication of EP0455601A1 publication Critical patent/EP0455601A1/de
Application granted granted Critical
Publication of EP0455601B1 publication Critical patent/EP0455601B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/02—Arrangements of electric power supplies in time pieces the power supply being a radioactive or photovoltaic source
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings

Definitions

  • the present invention relates to an electronic timepiece with analog display comprising an electronic movement powered by an accumulator, a dial and photoelectric cells ensuring the charging of the accumulator.
  • the present invention aims to achieve a construction concept applicable to all types of movements, making it possible to achieve very flat movements and facilitating automatic assembly of watch components.
  • the electronic timepiece according to the invention is characterized in that the accumulator is mounted on an annular piece surrounding the movement and carrying the photovoltaic cells located opposite the dial, as well as the components of the electrical circuit. connecting the photovoltaic cells to the accumulator, and that the dial has cutouts in front of the photovoltaic cells.
  • the annular part, with its circuit, its photovoltaic cells and the accumulator, constitutes a ring-shaped module easily mountable around the movement.
  • This ring can simultaneously serve as a ring for movement. In the case of a movement from one piece with the case back, the movement will also fit into the ring, between the case and the dial.
  • the accumulator is itself in annular shape and occupies most of the volume of the ring.
  • the capacity of such an accumulator can be very large, while the space which it occupies corresponds practically to that of a ring for fitting the movement.
  • Figure 1 is a plan view of a wristwatch valid for the three embodiments.
  • Figure 2 is an exploded view of the first embodiment.
  • Figure 3 is an exploded view of the second embodiment, without the middle-bezel identical to that of the first embodiment.
  • Figure 4 is a plan view of the ring surrounding the movement according to a third embodiment.
  • the watch shown in FIGS. 1 and 2 includes a case made up of a metal bezel-frame 1, a lens 2 fixed in a notch of ice in the frame-bezel 1 and a base 9 which is fixed to the notch in the middle- bezel 1.
  • the middle case-bezel 1 is provided with two pairs of horns 3, 4, and 5, 6 for fixing a bracelet. Below the notch of ice, the middle-bezel has a range 7, the rest of the interior of the middle-bezel being simply constituted by a cylindrical face 8.
  • the watch according to the first embodiment ( Figure 2) comprises a movement 10 integrated into the metal back, as found on the market.
  • the movement is surmounted by a dial 11 which comes to rest against the surface 7 of the middle-bezel, leaving sufficient space for the hands 12 and 13.
  • the movement 10 is surrounded by a circle 14 of synthetic material having a cylindrical skirt 15 adapted to the movement and a flange 16 in contact with the dial.
  • the puddle 16 has rectangular recesses distributed over the periphery and each containing a photovoltaic cell 17.
  • an accumulator 18 of annular shape.
  • the dial 11 has, at its periphery, rectangular cut-outs or notches 19, each of these cut-outs being located opposite a photovoltaic cell 17. These cut-outs 19, preferably 4, 6 or 12 in number, can occupy the locations of time signs.
  • the annular part 14 further carries the diode and the capacitor of the charging circuit of the accumulator 18.
  • the galvanic connection of the accumulator to the movement 10 can be ensured on the one hand by the bottom 9 and, on the other hand, by a metal tongue 20 inside the ring 14.
  • the dial 11 can be omitted, the movement then being visible and the time signs being directly constituted by the photovoltaic cells 17.
  • the second embodiment shown in FIG. 3, comprises the same middle-bezel 1.
  • the bottom 21 is a simple metallic bottom fixed to the notch in this middle-bezel.
  • the movement 22 is any commercial movement, for example a 6 3/4 x 8 movement. Such a movement has a battery compartment in which there is a contact tab 23 which can be folded down so as to protrude outside the metal cage of the movement to establish contact with the bottom 21.
  • This annular part 14 also has a contact tongue 20, but directed in the other direction.
  • FIG. 4 A third embodiment using such an accumulator is shown partially in FIG. 4.
  • this piece is shown, this piece, massive, presenting a housing for a small accumulator 25 in the form of pastille.
  • this annular part 24 is similar to part 14 of the other embodiments. It also carries photovoltaic cells 17 and a housing is provided for the diode and the capacitor of the charging circuit of the accumulator.
  • the accumulator 25 vertically occupies a space situated in the thickness of the movement and therefore makes it possible to produce very flat watches.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
EP91810322A 1990-05-04 1991-04-26 Elektronische Uhr Expired - Lifetime EP0455601B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1531/90A CH679439B5 (de) 1990-05-04 1990-05-04
CH1531/90 1990-05-04

Publications (2)

Publication Number Publication Date
EP0455601A1 true EP0455601A1 (de) 1991-11-06
EP0455601B1 EP0455601B1 (de) 1995-07-12

Family

ID=4212624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810322A Expired - Lifetime EP0455601B1 (de) 1990-05-04 1991-04-26 Elektronische Uhr

Country Status (6)

Country Link
EP (1) EP0455601B1 (de)
JP (1) JPH05126968A (de)
KR (1) KR910020525A (de)
CH (1) CH679439B5 (de)
DE (1) DE69111135T2 (de)
NL (1) NL9101514A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142705A1 (de) * 2001-08-31 2003-07-03 Wilfried Guenthe Maseko-Patzig Selbstnachladeakku

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425664A1 (fr) * 1978-05-10 1979-12-07 Bulova Watch Co Inc Montre-bracelet thermoelectrique
US4407590A (en) * 1977-12-10 1983-10-04 Citizen Watch Co., Ltd. Battery unit for an electric timepiece
EP0198390A2 (de) * 1985-04-11 1986-10-22 Junghans Uhren Gmbh Solaruhr und Uhrwerk für eine Solaruhr

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141272A (en) * 1976-05-20 1977-11-25 Seiko Epson Corp Solar cell clock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407590A (en) * 1977-12-10 1983-10-04 Citizen Watch Co., Ltd. Battery unit for an electric timepiece
FR2425664A1 (fr) * 1978-05-10 1979-12-07 Bulova Watch Co Inc Montre-bracelet thermoelectrique
EP0198390A2 (de) * 1985-04-11 1986-10-22 Junghans Uhren Gmbh Solaruhr und Uhrwerk für eine Solaruhr

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2, no. 22 (E-77)(11468) 14 février 1978, & JP-A-52 141272 (SUWA SEIKOSHA K.K.) 25 novembre 1977, *

Also Published As

Publication number Publication date
NL9101514A (nl) 1993-04-01
CH679439B5 (de) 1992-08-31
DE69111135D1 (de) 1995-08-17
EP0455601B1 (de) 1995-07-12
KR910020525A (ko) 1991-12-20
DE69111135T2 (de) 1996-03-21
JPH05126968A (ja) 1993-05-25
CH679439GA3 (de) 1992-02-28

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