EP0513633B1 - Montre réveil - Google Patents

Montre réveil Download PDF

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Publication number
EP0513633B1
EP0513633B1 EP92107563A EP92107563A EP0513633B1 EP 0513633 B1 EP0513633 B1 EP 0513633B1 EP 92107563 A EP92107563 A EP 92107563A EP 92107563 A EP92107563 A EP 92107563A EP 0513633 B1 EP0513633 B1 EP 0513633B1
Authority
EP
European Patent Office
Prior art keywords
alarm clock
minute
clock according
hour
clockface
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.)
Expired - Lifetime
Application number
EP92107563A
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German (de)
English (en)
Other versions
EP0513633A3 (en
EP0513633A2 (fr
Inventor
Wolfgang Ganter
Roland Maurer
Heinrich Oertel
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.)
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Publication date
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Application filed by Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0513633A2 publication Critical patent/EP0513633A2/fr
Publication of EP0513633A3 publication Critical patent/EP0513633A3/de
Application granted granted Critical
Publication of EP0513633B1 publication Critical patent/EP0513633B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00Producing acoustic time signals by electrical means
    • G04C21/16Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/205Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm by the hand(s) or handlike members closing the contact

Definitions

  • the invention relates to an alarm clock according to the preamble of claim 1, as is known, for example, from US Pat. No. 4,209,969 with regard to its signal release device.
  • the invention relates to an alarm clock based on an autonomous radio clock, as described in DE-OS 3 934 383.
  • the cam-engaging mechanism commonly found in alarm clocks for actuating the electromechanical switching element for actuating an electro-acoustic signal transmitter has a switching cycle of a few minutes.
  • Such an inaccuracy of response is, however, not acceptable for an autonomous radio-controlled clock, the display position of which is checked quasi-continuously on the basis of the information from a car clock, the most precise technical time base, and corrected if necessary. Because if the consumer is promoted to the autonomous radio clock as the most accurate clock in the world, then they should not be expected to deviate by several minutes from the specified time when using an appointment signal.
  • a signal release device operates somewhat more precisely than the cam incidence mechanism on the basis of an angular encoder rotational position query, as is known from the generic alarm clock.
  • the switching disks are equipped with contact springs that sweep over the contact plates rotated by the pointer mechanism and trigger the signal transmitter when the pointer wheels of the alarm clock mechanism assume the specified triggering angular positions.
  • the invention has for its object to provide an alarm clock of the type mentioned above with a signal release device that is easy to use, inexpensive to install in an alarm clock due to its compact design and is also suitable as additional equipment for a radio-controlled clock with pointer display because of its extreme accuracy.
  • the manual adjustment contrary to the common gear conditions, no longer results in a reduction in motion, but a translation of motion; namely with Adjustment of the mark indicating the time of signaling directly in front of the clock face.
  • the manual rotation of this mark is very handy because the large watch glass circumference or a handling bezel placed on the edge is available.
  • the rotation of the watch glass that is to say the trigger mark, in turn immediately causes a corresponding rotation of the hour switch which, in a known manner, rotates the digitally switching minute switch, which locks in a known manner, 12 times faster.
  • the minute indications assigned to the angular positions appear one after the other in the viewing window of the dial, for example in latched 5-minute jumps, so that signaling accurate to five minutes can be set conveniently and clearly displayed.
  • the information about the zero second instant available in the radio clock can then also serve as an additional criterion for triggering the precise signaling at the digitally displayed 5 minute instant of the analog displayed hour.
  • an alarm clock is created by the solution according to the invention, which combines the highest precision of the time display in the classic dial format with ergonomically convenient handling of a large setting ring, which is also directly assigned to the mark of the signaling directly above the relevant dial, i.e. the pointer time display. Time twisted; with precise numerical fine display of the signaling minute setting in a 5-minute grid for highly precise signaling at this point in time, triggered by an axially flat coding disk release device behind the dial carrier, which is immediately rotated by the adjustment ring for the signaling mark.
  • the radio-controlled alarm clock 11 shown has a multi-part latched plastic housing 12 with at least one signal cut-off button 13 and in its visible front wall 14 a depression 16 concentrically surrounding the coaxial pointer shaft axes 15, the bottom 17 of which is equipped with a dial 18 (for example printed, pasted or covered).
  • the shafts 20 of the pointer mechanism 21 located behind the dial base 17 extend concentrically one inside the other through a central opening 19, the hour hand 22, the minute hand 23 and possibly also in front of the base 17 wear a second hand 24 and move it over the dial 18, as is known as such from the technique of clockworks with the second hand moved from the center.
  • the pointer mechanism 21 is equipped with a pointer position detector 25, which determines the current display position of the pointers 22 and 23 and possibly 24, for example, by determining the respective passage through a reference position via a light barrier and then counting the pointer increment from a drive motor 26 , as is known in pointer radio clocks (see. US-PS 46 45 357).
  • the cam engagement mechanism usually found in mechanical alarm clocks is not provided, because its known only very moderate switching accuracy (triggering of the alarm signal when the predetermined time has been reached) would be in stark contrast to the extremely precise time display of a radio clock with its periodic checking and, if necessary, correction of the current angular position of each of its pointers 22, 23, 24 on the basis of received and decoded time telegrams.
  • position coding is also provided for the predeterminable signal time. It has a manually adjustable hour switch 28 and a minute switch 29 driven by the latter.
  • Each switching disk 28, 29 is equipped with contact springs 30, 31 which, depending on the rotational position, scan with the switching disks 28, 29, fixed conductor tracks 32, 33.
  • the contact springs 31, 32 are preferably multi-fingered in order to encode rotational angle positions by bridging certain conductor tracks 32 or 33 (cf. DE-PS 26 09 871, FIG. 6).
  • electrically conductive connections to a coincidence stage 34 (FIG. 5) only have to be connected to the stationary conductor tracks 32, 33, but not to scanning contact springs 30, 31 to be circulated via collector slip rings.
  • the conductor tracks 32, 33 are preferably on a common insulating material carrier 35 arranged, and expediently on its opposite surfaces in axial space between the two radially overlapping switching disks 28, 29, which not only provides an axially compact structure in a desirable manner, but also simplifies the adjustment in the assignment of the contact springs 30, 31 to the conductor tracks 32, 33.
  • Interconnections between the conductor tracks 32, 33 on both sides on this carrier 35 which are required in terms of coding technology, can be implemented in a circuit-technically advantageous and space-saving manner by means of plated-through holes, as is known from the technology of multilayer laminated circuit boards for electronic circuit components.
  • the multi-finger contact springs 30, 31 serving electrically as short-circuit bridges between scanned conductor tracks 32 and 33 are expediently punched out of a spring plate 36 and bent out of its plane and each provided with probe nipples 37 at the free ends, as can be seen in more detail in FIG. 4 .
  • the respective spring plate 36 lies with a central opening 38 over a large area against the surface of the switching disk 28 or 29 facing the conductor track 32 or 33 to be scanned and is fixed there in a rotationally rigid manner, for example by caulking positioning pins 39 which are connected to the switching disk 28 or 29 are integrally formed and through mounting openings 39 'in the spring plate 36.
  • the hour shift disk 28 is mounted by means of a hollow stub shaft 40 coaxially to the pointer shaft axes 15 in a sleeve 41 which protrudes from the bottom 17 serving as the dial support into the interior of the housing 12 and is preferably made in one piece with this bottom 17 by injection molding.
  • the pointer shafts 20 run through this hollow shaft stub 40.
  • a shoulder 42 in the outer lateral surface of the shaft stub 40 is supported axially against a circumferential taper 43 in the inner lateral surface of the sleeve 41 behind the base 17.
  • the holder in the opposite direction, against the pressing force of the contact spring 30, takes place by means of a radially compressible latching nose 44 (FIG. 3) which runs around the tapered part of the shaft stump 40 and which engages behind the radial projections 45 in the central opening 19 when the hour switch 28 is inserted from the rear into the dial base 17.
  • An end toothing 46 of the hour disk 28 meshes with a drive pinion 47 on a shaft 48 projecting on one side from the minute disk 29.
  • the minute switching disk 29 is pressed by its contact spring 31 against the rear surface 49 of the dial base 17.
  • the system takes place in the interest of reduced friction of this minute disk 29 (which rotates quickly in comparison to the hour disk 28) by means of projections 50 which are formed in an axially parallel manner and arranged, for example, in a concentric ring.
  • the minute disk 29 is guided radially by means of a pin 51 protruding from the rear surface 49 of the floor engages in a central recess in the minute disc 29, the holder of the contact spring 31 opposite.
  • this pin 51 is expediently hollow, so that its hollow cylinder wall is radially enclosed between the inner surface area of the recess 52 and the outer surface area of a pin 53 arranged concentrically therein.
  • the tapered end of the opposite shaft 48 is expediently mounted in an opening 54 of a work plate 55, which also contains the pointer movement 21 and a circuit board 56 for the electronic radio clock circuit 76 (autonomous clock circuit, receiver and control circuit) and the coincidence stage 34 (for the control of the electroacoustic signal generator 57) and the pointer position detector 25.
  • the insulating material carrier 35 for the conductor tracks 32, 33 for coding the manually specified signaling time is expedient held on the rear surface 49 of the dial base 17, for example as shown by means of self-tapping screws 58 on pillars 59 integrally formed on the back 17. During installation, this insulating material carrier 35 engages over the shaft 48 of the previously positioned minute switch disk 29, whereupon the hollow stub shaft 40 of the hour switch disk 28 can be inserted into a further opening 60 '.
  • the carrier 61 of an hour hand-shaped mark 62 is rotated in front of the dial 18 in the manner of an alarm clock hand.
  • the carrier 61 for example a spoke ring or, as shown, preferably a transparent disk, is connected in a rotationally rigid manner to the remote end of the shaft end 40 of the hour shift disk 28 projecting through the central opening 19, for example by positive engagement of radially projecting cams 63 in corresponding recesses in the center of the signal Brand carrier 61.
  • this carrier 61 The manual handling (rotation) of this carrier 61 is provided by a ring 64 connected to its periphery in a rotationally fixed manner, which projects in the axial direction from the countersink 16 over the housing front wall 14 and to reduce the frictional forces with its end face against knobs 65 is supported on the dial base 17.
  • this ring 64 is held by a nose 67 projecting radially from its outer circumferential surface 66 with a barb-like cross section, which snaps behind a number of projections 68 along the periphery of the depression 16.
  • the ring 64 can be designed as a carrier for a watch glass 69 if both are not designed (according to FIG. 2) as a one-piece flat hood made of transparent plastic.
  • the ring 64 and / or the watch glass 69 is surrounded by a bezel 70 which is non-rotatably snapped onto the edge and has a profiled grip.
  • the signaling marker carrier 61 is thus pivoted into the desired time position of the dial 18 by means of the bezel 70.
  • the hour switch disc 28 is thus rotated by the same angle into the associated angular position in which its contact springs 30 code the corresponding hour indication by making contact on the associated conductor tracks 32.
  • the minute shift disk is rotated in the transmission ratio 1:12, so that it executes one revolution (corresponding to 60 minutes) for 30 ° rotation of the signaling mark 62 (corresponding to the angular path for one hour).
  • the contact springs 31 of the minute switch disk 29 thus code the minute in the hour on the associated conductor tracks 33, beyond which the hour mark is the rotatable signal time mark 62.
  • the minute just set by means of the manually rotatable mark 62 at the selected hour is additionally visible as a numerical representation through a window 75 in the dial base 17.
  • the mark 62 thus jumps the numerical representations 74 from five to five minutes to reach position 00 again when the signaling mark 62 coincides with the next hour mark on the dial 18.
  • the coincidence stage 34 becomes the electroacoustic Signal generator 57 controlled. Its triggering can even be controlled to the exact second if the conincidence stage 34 also queries the passage of the second hand through the dial position "12" from the pointer position detector 25.
  • the signaling release is even more accurate if the pulse 78, which appears exactly at the beginning of a minute, is queried from the radio clock circuit 76 as an additional coincidence criterion by the stage 34; it is then only necessary to ensure that the position and release devices 25 and 27 which are inevitably subject to switching operations have already switched through reliably at this point in time, that is to say have a minimal lead in relation to the actual time. If, on the other hand, the coded signaling time in stage 34 is coincided with the complete coded current time information from the radio clock circuit 76, then the query of the pointer position detector 25 (contrary to the circuit according to FIG. 5) can even be dispensed with entirely; so that none of the gear play from the pointer 21 goes into the signaling accuracy, while the minute switch disc 29 provides a defined minute coding for the signaling time within the set hour due to its detent position.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Claims (12)

  1. Horloge-réveil (11), en particulier réveil-radio, avec affichage du temps par des aiguilles devant un cadran à aiguilles (18) et avec un dispositif d'autorisation de signal électromécanique (27), réglable manuellement, fait de disques de commutation des minutes et des heures (29, 28), couplés entre eux par transmission, dont le disque de commutation des minutes (29) est réalisé en tant que support de symboles tournant et s'encliquetant, derrière une fenêtre à diaphragme (75), caractérisée en ce qu'au-dessus du cadran (18) un support (61) pour une marque (62), conçu à la manière d'une aiguille, peut tourner manuellement, lequel support présente, par une liaison solidaire en rotation avec le disque de commutation des heures (28), une transmission avec le disque de commutation des minutes (29).
  2. Horloge-réveil selon la revendication 1, caractérisée en ce que le support de marque (61) est un disque transparent devant le cadran (18).
  3. Horloge-réveil selon les revendications 1 ou 2, caractérisée en ce que le support de marque (61) est relié solidaire en rotation avec un anneau de maniement (64) dépassant axialement à la manière d'une douille d'un enfoncement (16) du cadran.
  4. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce que le support de marque (61) est relié solidaire en rotation avec un verre de montre en forme de capot dépassant du plan de la paroi avant (14) du boîtier (12) du réveil.
  5. Horloge-réveil selon les revendications 3 ou 4, caractérisée en ce que pour le support de marque (61) il est prévu devant le plan de la paroi frontale du boîtier (14), un anneau de prise à la manière d'une lunette (70).
  6. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu une conversion du mouvement en un rapport de 1 à 12 du disque de commutation des heures (28), à faire tourner manuellement, par rapport au disque de commutation des minutes (29), sous la forme de l'engagement d'une denture droite (46) menante dans un pignon d'entraînement (47).
  7. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce qu'une liaison solidaire en rotation est prévue entre le support de marque (61) et le disque de commutation des heures (28).
  8. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu entre les disques de commutation des heures et le disque de commutation des minutes (28, 29), décalés axialement l'un par rapport à l'autre mais se recouvrant partiellement l'un l'autre radialement, un support de matière isolante (35) pour des pistes conductrices (32, 33), appliquées des deux côtés, qui peuvent être interconnectées de manière à coder une position, au moyen de ressorts de contact (30, 31) à plusieurs doigts, qui sont reliés solidaires en rotation avec les disques de commutation (28, 29).
  9. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce que le disque de commutation des heures (28) est maintenu au moyen d'un bout d'arbre creux (40), en retrait, dans l'ouverture centrale (19) du cadran.
  10. Horloge-réveil selon la revendication 9, caractérisée en ce que le bout d'arbre (40) est maintenu radialement dans un manchon (41) sur la face arrière du fond (17) du support de cadran et axialement sur des saillies radiales (45), dans la zone de transition entre le manchon (41) et le fond (17) du support de cadran.
  11. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce que le disque de commutation des minutes (29) est monté sur un tenon (51), sur la face arrière du fond (17) du support de cadran.
  12. Horloge-réveil selon l'une des revendications précédentes, caractérisée en ce que le disque de commutation des minutes (29) est équipé axialement, derrière un collet (77) périphérique, avec une couronne dentée (71) grossière, ne dépassant pas radialement de celui-ci, pour l'encliquetage de position d'un levier à came (73) maintenu élastiquement.
EP92107563A 1991-05-17 1992-05-05 Montre réveil Expired - Lifetime EP0513633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9106112U DE9106112U1 (fr) 1991-05-17 1991-05-17
DE9106112U 1991-05-17

Publications (3)

Publication Number Publication Date
EP0513633A2 EP0513633A2 (fr) 1992-11-19
EP0513633A3 EP0513633A3 (en) 1994-12-21
EP0513633B1 true EP0513633B1 (fr) 1996-01-03

Family

ID=6867420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107563A Expired - Lifetime EP0513633B1 (fr) 1991-05-17 1992-05-05 Montre réveil

Country Status (5)

Country Link
US (1) US5168476A (fr)
EP (1) EP0513633B1 (fr)
JP (1) JPH05119165A (fr)
DE (2) DE9106112U1 (fr)
ES (1) ES2082268T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305291A (en) * 1993-09-22 1994-04-19 Timex Corporation Alarm setting and actuating mechanism for analog timepiece
US5602803A (en) * 1995-08-11 1997-02-11 Chaut; Yaron Clocks with unique time displays
US5737692A (en) * 1996-09-27 1998-04-07 Sony Corporation Clock radio system with remote alert device
US6009049A (en) * 1998-03-03 1999-12-28 Huang; Kuo-Chung Clock movement of reduced-diameter
DE19824274B4 (de) * 1998-05-29 2005-05-04 Eurochron Gmbh Wecker-Uhr

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392993A (en) * 1971-07-15 1975-05-07 Citizen Watch Co Ltd Alarm timepiece
JPS5521117Y2 (fr) * 1974-04-26 1980-05-21
DE2609871C2 (de) * 1976-03-10 1982-05-27 Kieninger & Obergfell Fabrik für technische Laufwerke und Apparate, 7742 St Georgen Elektrisches Schlagwerk
US4196583A (en) * 1976-03-19 1980-04-08 Kabushiki Kaisha Daini Seikosha Analogue electronic alarm timepiece
GB1571753A (en) * 1977-03-25 1980-07-16 Seiko Koki Kk Alarm time piece
JPS5839437Y2 (ja) * 1977-05-23 1983-09-05 セイコ−光機株式会社 時計の時刻検出スイッチ
IT1148794B (it) * 1979-04-27 1986-12-03 Suisse Horlogerie Orologio da polso spessore ridotto
JPS5932750B2 (ja) * 1979-06-22 1984-08-10 リズム時計工業株式会社 時計の目安装置
JPS6066176A (ja) * 1983-09-21 1985-04-16 Seiko Koki Kk 目覚時計用機械体
DE3510861C2 (de) * 1984-11-09 1986-09-25 Gebrüder Junghans GmbH, 7230 Schramberg Anzeigestellungs-Detektionseinrichtung für eine Uhr, insbesondere eine Funkuhr
CH672704B5 (fr) * 1988-05-26 1990-06-29 Ebauchesfabrik Eta Ag
DE3934383A1 (de) * 1989-10-14 1991-04-18 Junghans Uhren Gmbh Elektromechanische terminuhr

Also Published As

Publication number Publication date
EP0513633A3 (en) 1994-12-21
DE59204876D1 (de) 1996-02-15
DE9106112U1 (fr) 1992-09-10
JPH05119165A (ja) 1993-05-18
ES2082268T3 (es) 1996-03-16
EP0513633A2 (fr) 1992-11-19
US5168476A (en) 1992-12-01

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