EP0041245A1 - Elektronisches Uhrwerk mit elektro akustischem Übertrager - Google Patents

Elektronisches Uhrwerk mit elektro akustischem Übertrager Download PDF

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Publication number
EP0041245A1
EP0041245A1 EP81104110A EP81104110A EP0041245A1 EP 0041245 A1 EP0041245 A1 EP 0041245A1 EP 81104110 A EP81104110 A EP 81104110A EP 81104110 A EP81104110 A EP 81104110A EP 0041245 A1 EP0041245 A1 EP 0041245A1
Authority
EP
European Patent Office
Prior art keywords
decoration
electrode
timepiece
dial
transducer
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
EP81104110A
Other languages
English (en)
French (fr)
Other versions
EP0041245B1 (de
Inventor
Claude André Gygax
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.)
SSIH Management Services SA
Original Assignee
SSIH Management Services SA
Societe Suisse pour lIindustrie Horlogere Management Services SA
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 SSIH Management Services SA, Societe Suisse pour lIindustrie Horlogere Management Services SA filed Critical SSIH Management Services SA
Publication of EP0041245A1 publication Critical patent/EP0041245A1/de
Application granted granted Critical
Publication of EP0041245B1 publication Critical patent/EP0041245B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details

Definitions

  • the present invention relates to a timepiece comprising at least analog display means, the hands of which are located between a dial and a crystal carrying on its internal face a metallic decoration partially covering it to support an electro-acoustic transducer and ensure electrical coupling with the first electrode of said transducer, a printed circuit located inside the timepiece comprising the control electronics and the output terminals of an electrical signal of acoustic frequency, and an electrical connection device comprising two conductive leads arranged, the first to come into contact with said metallized decoration, the second to come into contact with the second electrode of said transducer.
  • Timepieces are known, the alarm device of which is in the form of an electro-acoustic transducer operatively associated with the watch crystal. It is generally a piezoelectric patch bonded to the internal face of the crystal and which receives an acoustic signal from the electronics of the watch.
  • the utility model JA 1 223 023 describes an electric alarm clock which includes a piezoelectric plate fixed to the inner face of the glass. The plate oscillates at an audible frequency thanks to the signals emitted by the circuit arranged in the box. The wafer in turn causes the ice to audibly vibrate.
  • the plate is in the center of the crystal and its connection to the internal circuit is made by means of two wires which first pass through the crystal and then penetrate inside the watch through a hole made in the periphery of the dial.
  • the present invention overcomes this drawback by proposing a construction in which welds or conductive adhesive are avoided. to connect the wafer to its power source, which greatly facilitates the fitting of the watch.
  • the object of the present invention is to propose, in a timepiece with an analog mechanical display, connection means between the electronic module and the electro-acoustic transducer, means which appear in the claims.
  • FIG. 1 shows a timepiece with analog display provided with hands 18.
  • the dial 1 bears the hour markers 2 and appears through a crystal 3.
  • the dial is partially masked by a decoration 4 which is affixed to the inside of the glass. Under this decoration appears in dotted lines a piezoelectric transducer 5 and the pins 12 which will be discussed below.
  • FIG 2 which is a section along line A - A of Figure 1 shows the same elements.
  • the glass 3 is coated on its internal face with a decoration 4 which partially covers it and which has the particularity of being electrically conductive.
  • the transducer 5 is a piezoelectric patch which has on each of its faces electrodes 6 and 7.
  • the first electrode 6 is applied directly to the metal decoration and is fixed there by means of glue for example. This produces an electrical and mechanical coupling between the electrode 6 and the metallized decoration 4.
  • the drawing also shows the dial 1, the movement 8 and the printed circuit 9 which comprises, in addition to the electronics, two output terminals for an acoustic signal. of which only 10 is shown.
  • the electrical connection between the output terminal 10 and the metallized decoration 4 is carried out by means of a conductive supply 11, one end of which rests on the decoration 4.
  • the connection between the output terminal not shown - because being in a different plane - and the second electrode 7 of the pad 5 is produced in the same way by a conductive supply of which only one of the support ends is shown.
  • each of the conductive leads comprise the assembly of a tenon 12 and a blade 13.
  • the tenon is soldered on the printed circuit at its terminal 10 and on the other side it is neckline in 14 identical to what is practiced for the tigeron which receives a usual second hand.
  • the blade 13, which is preferably made of gilded beryllium bronze, is riveted at its first end to a tube 15 fitted with greasy friction on the neck 14 and is supported at its second end 16 on the metallic decoration 4.
  • the another conductive feed is produced in the same way and only the second end 17 of its blade appears on the drawing, which rests on the second electrode 7 of the piezoelectric pad 5. The positions taken by the blades 16 and 17 before they bear on the first on the decoration 4 and the second on the electrode 7.
  • FIG. 2 shows that the printed circuit 9 is relatively distant from the piezoelectric pad 5 and that the point of contact of the blade 17 with the electrode 7 is not superimposed on the output terminal (not shown) of the sound signal located on the printed circuit 9.
  • the preferred embodiment of the invention This allows contact to be made both with distant points (by adjusting the length of the post) and with off-center points (by adjusting the length of the blade).
  • the adhesive film will be very thin, thus also allowing a capacitive electrical coupling between the metallized decoration 4 and the electrode 6.
  • the use of a conductive adhesive on at least part of the electrode 6 is also possible, thus making a galvanic connection with the metallic decoration 4.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
EP81104110A 1980-06-04 1981-05-29 Elektronisches Uhrwerk mit elektro akustischem Übertrager Expired EP0041245B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8012715A FR2484102A1 (fr) 1980-06-04 1980-06-04 Piece d'horlogerie electronique comportant un transducteur electro-acoustique
FR8012715 1980-06-04

Publications (2)

Publication Number Publication Date
EP0041245A1 true EP0041245A1 (de) 1981-12-09
EP0041245B1 EP0041245B1 (de) 1985-02-06

Family

ID=9242837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81104110A Expired EP0041245B1 (de) 1980-06-04 1981-05-29 Elektronisches Uhrwerk mit elektro akustischem Übertrager

Country Status (6)

Country Link
US (1) US4523856A (de)
EP (1) EP0041245B1 (de)
JP (1) JPS5748681A (de)
DE (1) DE3168746D1 (de)
FR (1) FR2484102A1 (de)
HK (1) HK49890A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111708266A (zh) * 2019-03-18 2020-09-25 雅克德罗手表有限公司 设置有三维装饰件的钟表表盘

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59194104A (ja) * 1983-04-20 1984-11-02 Diesel Kiki Co Ltd 流体圧アクチエ−タ装置
JPS60107405U (ja) * 1983-12-24 1985-07-22 株式会社豊田自動織機製作所 フオ−クリフトにおける荷役用コントロ−ルバルブの切換操作回路
JPS60110703U (ja) * 1983-12-29 1985-07-27 株式会社豊田自動織機製作所 フオ−クリフトにおける荷役用コントロ−ルバルブの切換操作回路
US5847648A (en) * 1994-02-10 1998-12-08 Douglas R. Savor Alarm and intermittent alert system for vehicle operation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH464272A (de) * 1965-10-25 1968-10-31 Sika Bau Ag Verfahren und Vorrichtung zum Befestigen von Folien auf fester Unterlage, sowie Anwendung des Verfahrens
GB1172546A (en) * 1966-02-17 1969-12-03 Paolo Spadini Alarm Wrist-Watch
US3747327A (en) * 1970-12-29 1973-07-24 Suwa Seikosha Kk Watchdial structure incorporating electrical devices
US3905666A (en) * 1973-03-22 1975-09-16 Ebauches Sa Device for the electric connection between a display device of an electronic timepiece and the circuit controlling the said display device
GB2032146A (en) * 1978-09-22 1980-04-30 Citizen Watch Co Ltd Electronic watch module construction
JPS5996879A (ja) * 1982-11-25 1984-06-04 Fuji Electric Co Ltd 自己消弧形パワ−デバイス用のスナバ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789336A (fr) * 1971-09-29 1973-01-15 Timex Corp Montre-reveil electronique
US3788060A (en) * 1971-12-09 1974-01-29 Y Kawamura Watch with an electronic buzzer
US3871170A (en) * 1973-04-25 1975-03-18 John M Bergey Solid state watch display switch
US3983690A (en) * 1975-05-19 1976-10-05 Mcsohmer Corporation Digital timepiece having chronometric display
US4068461A (en) * 1976-04-15 1978-01-17 Frontier Inc. Digital electronic alarm watch
JPS5398877A (en) * 1977-02-09 1978-08-29 Casio Comput Co Ltd Alarming device of watches

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH464272A (de) * 1965-10-25 1968-10-31 Sika Bau Ag Verfahren und Vorrichtung zum Befestigen von Folien auf fester Unterlage, sowie Anwendung des Verfahrens
GB1172546A (en) * 1966-02-17 1969-12-03 Paolo Spadini Alarm Wrist-Watch
US3747327A (en) * 1970-12-29 1973-07-24 Suwa Seikosha Kk Watchdial structure incorporating electrical devices
US3905666A (en) * 1973-03-22 1975-09-16 Ebauches Sa Device for the electric connection between a display device of an electronic timepiece and the circuit controlling the said display device
GB2032146A (en) * 1978-09-22 1980-04-30 Citizen Watch Co Ltd Electronic watch module construction
JPS5996879A (ja) * 1982-11-25 1984-06-04 Fuji Electric Co Ltd 自己消弧形パワ−デバイス用のスナバ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 3, No. 82, 14 Juillet 1979, page 22E123 & JP - A- 54 59968 (Casio Keisanki K.K.), 15.5.1979 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111708266A (zh) * 2019-03-18 2020-09-25 雅克德罗手表有限公司 设置有三维装饰件的钟表表盘

Also Published As

Publication number Publication date
US4523856A (en) 1985-06-18
FR2484102A1 (fr) 1981-12-11
FR2484102B1 (de) 1984-10-05
EP0041245B1 (de) 1985-02-06
JPS6253072B2 (de) 1987-11-09
DE3168746D1 (en) 1985-03-21
HK49890A (en) 1990-07-08
JPS5748681A (en) 1982-03-20

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