EP0269684A1 - Alarm clock with an alarm signal device and an adjustable contact for actuating the latter. - Google Patents
Alarm clock with an alarm signal device and an adjustable contact for actuating the latter.Info
- Publication number
- EP0269684A1 EP0269684A1 EP87903678A EP87903678A EP0269684A1 EP 0269684 A1 EP0269684 A1 EP 0269684A1 EP 87903678 A EP87903678 A EP 87903678A EP 87903678 A EP87903678 A EP 87903678A EP 0269684 A1 EP0269684 A1 EP 0269684A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alarm
- wheel
- contact
- alarm clock
- hour
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
- G04C21/205—Producing 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
- Alarm clock with a wake-up signal device and an adjustable contact means for starting up the wake-up signal device
- the invention relates to an alarm clock according to the preamble of claim 1.
- a patent wristwatch with adjustable, time-dependent signaling is described in Swiss Patent No. 638 367.
- This watch has an alarm dial that can be adjusted from the outside by means of a button and is arranged coaxially to the hour wheel on the hour tube.
- the alarm dial is part of a circuit that includes an electronic control circuit and a battery that is electrically connected to the hour wheel.
- the circuit serves to control a wake-up signal device and is closed by a ' resilient contact tongue fastened on one side of the hour wheel ' , which strikes a contact bolt which passes through the electrically insulating change setting wheel and has an annular contact track on the alarm setting wheel is electrically connected.
- the contact tongue slides on the insulating surface of the alarm dial until it hits the contact bolt; there is an enormous risk of contamination of the contact surface and the contact is undefined in the initial stage of contact between the contact spring and the contact bolt. It is also necessary that the contact tongue is precisely adjusted during assembly. It is an object of the invention to provide an alarm clock of the type mentioned at the beginning, in which the contact for initiating the wake-up signal is unambiguous and problem-free, and in which the adjustment work on the contact elements is reduced to a minimum.
- the alarm clock according to the invention is characterized by the features stated in the characterizing part of patent claim 1.
- FIG. 1 shows a section along the line I-I of FIG. 2 through the central area of an exemplary embodiment of the alarm clock according to the invention
- FIG. 2 shows the top view of the central area of the alarm clock shown in FIG. 1, parts being omitted and other parts being partially cut away,
- FIG. 4 shows the same representation as FIG. 3, but in a different position of the components shown, in which position a wake-up signal is generated
- FIG. 5 shows a section along the line V-V of FIG. 3, wherein a component is modified
- FIG. 6 shows the view of a second exemplary embodiment of the alarm clock according to the invention
- FIG. 8 shows a section through the central area of a third, preferred exemplary embodiment of the alarm clock according to the invention
- FIG. 9 is a plan view of part of the alarm clock according to FIG. 8,
- FIG. 10 shows a contact element of the alarm clock according to FIG. 8 in a diagram
- FIG. 11 shows the hour wheel of the alarm clock according to FIG. 8 in a diagram. 1 and 2
- the central area of a first embodiment of the alarm clock according to the invention is shown in section.
- a dial 1 which is only partially shown has a central opening 2 through which a hollow hub 3 of a driving disk 4 extends. The driving disk rests against the back of the dial 1 and has lugs 5 at two opposite points in its edge area away from the dial.
- the driving disk 4 can be rotated relative to the dial 1, the inner wall of the opening 2 mentioned and the one adjacent to it Circumferential surface of the hub 3 are formed in such a way that a positive connection results after the insertion of the hub 3 into the opening 2 and that a certain amount of friction has to be overcome in order to rotate the driving disk 4 relative to the dial 1, thereby preventing it that the driving plate 4 only rotates with respect to the dial 1 due to vibrations.
- the dial 1 On the part of the above on the front of the dial 1
- Hub 3 has an alarm clock pointer 6, which enables reading of the set alarm time.
- the hub 3 is penetrated by an hour tube 7 which is connected in a rotationally fixed manner to an hour wheel 8.
- An hour hand 9 is placed on the end of the hour tube 7 remote from the hour wheel 8.
- a minute tube 10 extends through the hour tube 7 and a minute hand 11 is placed on its outer end. The inner end of the minute tube 10 is not shown in FIG. 1.
- a drag wheel 12, an alarm setting wheel 13 and part of a printed circuit board 14 are arranged between the drive plate 4 and the hour wheel 8 from the outside inwards.
- the printed circuit board 14 has an opening 15 into which a bushing 16 is inserted, which serves as a sliding bearing for the alarm dial 13.
- a central recess 21 of the towing wheel 12 has two straight wall parts 22 which abut on flattened sides 23 of the hour tube 7. See also FIG.
- the hours pipe 7 1 may be of a non-illustrated pipe to be surrounded on which the idler gear guide Example 12 in the same manner as the idler gear 12 in accordance with the training • FIGS. And 2 tube on the sais ⁇ is placed 7 .
- This tube is then rotatably connected to the hour tube 7 by means of a change gear mechanism in such a way that the hour tube 7 rotates twice if the said tube only rotates once.
- Such an arrangement then results in an alarm clock that only wakes up every 24 hours.
- the trailing wheel 12 On the side facing the alarm clock setting wheel 13, the trailing wheel 12 has a recess 24 which extends to a certain extent essentially parallel to the annular conductor tracks 17 and 18.
- a pin 25 extends from the bottom of the recess 24 into the recess 24.
- a contact bracket 26 preferably made of hard brass or bronze, arranged inside the recess 24.
- the contact bracket has two arcuate legs 27 which are connected to one another by a web 28.
- the web 28 bears against the pin 25 and a clamping disk 29 holds the contact bracket 26 with the leg 27, which has two bends 30 and 31, within the recess 24.
- a contact point 32 is provided at the free end of each leg 27.
- the contact point 32 can be a bulge or the head of a rivet made of a special contact material.
- the alarm setting wheel 13 has an edge 33 projecting axially in the direction of the towing wheel 12, the outer surface of which is provided with an external toothing 34. In the edge 33 there are recesses 35 at two opposite points, into which the shoulders 5 of the driving plate 4 engage.
- the drive plate 4 is not shown in FIG. 2.
- a pinion 36 engages in the mentioned external toothing 34 and is connected via a shaft 37 to an alarm clock button (not shown).
- the alarm setting wheel 13 has a window 38 through which the circular conductor tracks 17 and 18 are visible in FIG. 2.
- the alarm dial 13 is preferably made of an electrically insulating plastic.
- FIG. 3 shows a section along the line III-III of FIG. 2, only a part of the trailing wheel 12, the contact bracket 26, the alarm setting wheel 13, the circuit board 4 and the conductor track 17 being visible.
- the contact bracket 26 held in the recess 24 by the tensioning disk 29 such that the contact points 32 bear against the alarm setting wheel 13 under mechanical pretension at the ends of the legs 27. If by the relative movement between the alarm dial 13 and the
- the contact points 32 of the contact bracket 26 grind on the surface of the alarm dial 13 facing it, depending on the nature of the material from which the alarm dial 13 is made , dirt particles can thereby accumulate at the contact points 32, as a result of which the contact guests can possibly no longer be guaranteed.
- an embodiment of the alarm setting wheel 13 'shown in section in FIG. 5 is proposed.
- the alarm setting wheel 13 ' has two grooves 39 and 40 which extend concentrically with the hour tube 7 and which extend parallel to the circular conductor path 17 and 18, respectively.
- the shape of the cross section of the grooves 39 and 40 is similar to that of the cross section through the contact points 32, but larger.
- the edge regions of the free ends of the legs 27 lie on the edge of the grooves 39 and 40, so that the contact points 32 do not come into contact with the material from which the alarm clock wheel 13 'is made. In this way, no dirt can accumulate at the contact points and perfect contact is guaranteed.
- the alarm setting wheel 13 ' can be dispensed with the ramp 41 because the part which runs obliquely with respect to the alarm setting wheel 13' between the bends 30 and 31 of the legs 27 takes over the function of the ramp and lifts the contact point 32 off the conductor track 17 and 18, respectively.
- the alarm setting wheel 13 is set by turning the pinion 36 with the alarm setting button (not shown) to the desired alarm time, which is indicated by the alarm setting pointer 6.
- the pinion 36 is preferably rotated in the direction indicated by the arrow 42 in FIG. 2, as a result of which the alarm setting wheel 13 rotates counterclockwise. If the Weckerstellrad 13 in the opposite direction, that is clockwise rotated, this 4 means that the window 38 of the alarm setting wheel 13 be ⁇ subjected to FIGS. "From left to right tomaschine ⁇ bracket 26 is moved toward. Butt case and block the further movement of the free ends of the legs 27 against the vertical wall 43 of the window 38.
- FIG. 6 shows a further embodiment of the alarm clock according to the invention in a top view and FIG. 7 shows a section along the line VII-VII of FIG. 6.
- the dial 1 is clamped between a housing 44 and a transparent cover 45.
- the drag wheel 12 is arranged, against which a specially designed alarm clock wheel 13 "with the window 38" bears.
- the alarm clock wheel 13" has knurling 46 on its peripheral surface instead of a toothing.
- In the housing 44 there is a recess 47 in the form of a circular section, into which a part of the circumferential area of the alarm setting wheel 13 "protrudes so that it can be rotated with a finger to set the alarm time".
- the alarm setting wheel 13 In the edge area of the alarm setting wheel 13 "there is a scale 48 which is partially visible through a window 49 in the dial 1 for reading the set alarm time. Because the alarm setting wheel 13" can be set directly from the outside and the set alarm time through the window 49 6 and 7, the drive plate 4, the alarm clock 6 and the pinion 36 of the embodiment according to FIGS. 1 and 2 can be dispensed with. In the area of the upper right corner of the alarm clock shown in FIG. 6 there is a slide 50 with which the generation of the alarm signal can be prevented.
- the section shown in FIG. 8 through the central area of a third, preferred exemplary embodiment of the alarm clock according to the invention shows a part of a dial 51 with a central opening 52.
- the opening 52 has an extension 53 on one side and on the other side a success Extension 54 with a larger diameter for partially accommodating an alarm setting wheel 55.
- the alarm setting wheel 55 has a hollow hub 56 which is designed such that a positive connection results after the insertion of the hub 56 into the opening 52, with a certain amount of friction having to be overcome in order to rotate the alarm setting wheel 55 relative to the dial 51 to prevent the alarm dial 55 from rotating relative to the dial 51 only by vibrations.
- a tubular extension 57 is arranged within the hub 56, a part of which projects beyond the outside of the dial 51. In order to read off the set wake-up time, an alarm clock pointer 58 is placed on the above part of attachment 57.
- a tube 59 is arranged rotatably 'whose one -end is rigidly connected to an hour wheel 60 and the other end carries an hour hand 61st
- a minute tube 62 extends through the hour tube 59, a minute hand 62 ′ is placed on the outer end thereof and the inner end is rigidly connected to a pinion 63 and a minute wheel 64.
- the hour tube 59 and part of the hour wheel 60 rest on the shoulder formed between the minute tube 62 and the pinion 63, as a result of which the axial movement of the hour tube 60 to the inside is limited.
- the pinion 63 meshes with an intermediate gear 65 which is rigidly connected to another pinion 66 and is mounted on a shaft 67 fastened in a work plate 96.
- the pinion 66 drives the hour wheel 60.
- a pinion 68 and an intermediate gear 69 drive is also rotatably mounted on the shaft 67.
- the pinion 68 extends through an opening 70 in a further work plate 71 and meshes with the minute wheel 64, while the intermediate wheel 69 engages in a pinion 73 mounted on a seconds shaft 72.
- This- Customer shaft 72 extends through an opening 74 in work plate 71 and minute tube 62.
- a second hand (not shown) can be placed on the outer end of second shaft 72.
- the second shaft 72 is driven by a change gear 95 through the part of the clockwork, not shown.
- a printed circuit board 75 which has an opening 76 through which the pinion 63, which is rigidly connected to the minute tube 62, extends.
- the pinion 66 extends through a further opening 77 in the printed circuit board 75.
- two circular conductor tracks 78 and 79 are arranged concentrically with the shaft 62 and the pinion 63.
- the two circular conductor tracks 78 and 79 are connected to components of the electronic circuit of the alarm clock, not shown, via elongated conductor tracks, the one elongated conductor track being on the other side of the printed circuit board 75 as the annular conductor tracks 78 and 79 is located.
- the hour wheel 60 which is preferably made of plastic, is shown diagrammatically in FIG. 11 and has an arcuate window 80 through which a part of the annular conductor tracks 78 and 79 is not visible in FIG. 9.
- An axially protruding, essentially circular rib 81 is arranged concentrically around the hour tube 59 rigidly connected to the hour wheel 60.
- a slot 82 extends from the central region of the window 80 in the radial direction to the hour tube 59. Those parts of the rib 81 which are located directly at the slot 82 only have beveled front surfaces 83 visible in FIG. 11.
- a contact spring 84 which is shown diagrammatically in FIG. 10, is arranged between the change setting wheel 55 and the hour wheel 60.
- the con- Clock spring 84 has a flat circular part 85.
- this part 85 there is an arcuate slot 86, which extends approximately at an angle of 100 °.
- three legs 87 extend radially outward, the ends of which form feet 88 are curved.
- In the central area of each of the legs 87 there is a bending point 89, so that the feet 88 are not in the same plane as the circular part 85.
- the outer arch piece 90 which partially delimits the slot 86, is twice round in its end areas bent so that the central region of the curved piece 90 lies in a different plane than the rest of the circular-shaped part 85.
- a cantilever 91 extends outward from the curved piece 90 in the radial direction.
- the jib * 91 is bent twice, so that the part of the jib 91 adjoining these bends extends in a further plane, which is at least approximately parallel to the plane of the arc piece 90 or the ring-shaped part 85.
- laterally projecting tabs 92 are arranged, which are bent at an acute angle to the plane of the annular part 85.
- a first contact arm 93 extends in a lateral direction from the outermost end of the arm 91 and between the first contact arm 93 and the tab 92 a second contact arm 94 extends in the opposite direction to the first contact arm 93.
- the ends of the contact arms 93 and 94 are formed as electrical contacts which temporarily rest on the respective circular conductor 79 and 78 and connect them electrically.
- the contact spring 84 ie the annular part 85 of the same, is rotationally fixed to the alarm clock wheel 55 connected. This connection can be realized by rivets (not shown) or by means of an adhesive. In the assembled state, as shown in FIG. 8, the legs 87 of the hold-down spring 84 are biased so that the hour wheel is pressed against the shoulder between the pinion 63 and the minute tube 62.
- the arm 91 with the tabs 92 again reaches the slot 82, the arm 91 with the contact arms 93 and 94 is lowered again into the window 80 of the hour tube 60 and the contacts of the contact arms 93 and 94 again establish an electrical connection between the circular conductor tracks 78 and 79, which is the wake-up signal device (not shown) caused to generate an acoustic alarm signal.
- the wake-up time can be set by turning the change setting wheel clockwise or counterclockwise without damaging the contact spring or any other component.
- the contacts of the contact arms 93 and 94 are only on the conductor tracks 79 and 78 only twice during a short time interval of, for example, about 10 minutes, and they are not in contact with the rest of the time. As a result, the wear and the risk of contamination of the contacts and the contact tracks is reduced to a minimum.
- the contact bracket 26 or contact spring 84 used in the exemplary embodiments of the alarm clock according to the invention described above can be produced in a simple manner and can be easily inserted into the recess 24 provided for this purpose in the drag wheel with the aid of an automatic machine (robot) 12 used or attached to the alarm dial 55.
- the relatively complex adjustment of the contact bracket or contact spring can be dispensed with.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
Un moyeu (3) d'un disque d'entraînement (4) fait saillie à travers une ouverture (2) d'un cadran (1). Une aiguille (6) de réglage de l'alarme indiquant le réglage de l'heure de réveil est montée sur l'extrémité du moyeu (3). Ce dernier est pénétré par un tube des heures (7) qui est pourvu de deux faces latérales (23) aplaties permettant une connexion solidaire en rotation avec une roue d'entraînement (12). Une carte de circuits imprimés (14) est située à proximité de la roue des heures (8) et présente une ouverture (15) à travers laquelle s'étend le tube des heures (7). Sur la carte de circuits imprimés (14) sont appliquées deux pistes conductives (17, 18) de forme annulaire disposées concentriquement au tube des heures (7). Une roue (13) de réglage de l'alarme est agencée de manière rotative entre la roue d'entraînement (12) et la carte de circuits imprimés (14). La roue d'entraînement (12) est pourvue d'un évidement (24) dans lequel est disposée une fourche de contact (26). La roue de réglage d'alarme (13) comporte une fenêtre (38) disposée au-dessus desdites pistes conductives (17, 18), des évidements (35) dans chacun desquels entre un élément saillant (5) du disque d'entraînement (4), et une denture extérieure (34) dans laquelle s'engage un pignon (36) pour régler l'heure de réveil. Pour ce réglage, les extrémités libres de la fourche de contact (26) viennent en contact avec les pistes conductives (17, 18) en traversant la fenêtre (38), afin de relier électriquement l'une à l'autre lesdites pistes de manière à déclencher un signal de réveil. Cela permet d'utiliser un mode de réalisation simple pour la fourche de contact, laquelle peut être montée dans le réveil d'une manière entièrement automatisée, rendant ainsi superflu tout réglage ultérieur.A hub (3) of a drive disc (4) projects through an opening (2) of a dial (1). An alarm setting hand (6) indicating the setting of the alarm time is mounted on the end of the hub (3). The latter is penetrated by an hour tube (7) which is provided with two flattened side faces (23) allowing an integral connection in rotation with a drive wheel (12). A printed circuit board (14) is located near the hour wheel (8) and has an opening (15) through which the hour tube (7) extends. On the printed circuit board (14) are applied two conductive tracks (17, 18) of annular shape arranged concentrically with the hour tube (7). An alarm setting wheel (13) is rotatably arranged between the drive wheel (12) and the printed circuit board (14). The drive wheel (12) is provided with a recess (24) in which a contact fork (26) is arranged. The alarm setting wheel (13) has a window (38) disposed above said conductive tracks (17, 18), recesses (35) in each of which between a projecting element (5) of the drive disc ( 4), and an external toothing (34) in which a pinion (36) engages to adjust the alarm time. For this adjustment, the free ends of the contact fork (26) come into contact with the conductive tracks (17, 18) through the window (38), in order to electrically connect the said tracks to each other so to trigger a wake-up signal. This makes it possible to use a simple embodiment for the contact fork, which can be mounted in the alarm clock in a fully automated manner, thus making any subsequent adjustment superfluous.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87903678T ATE53918T1 (en) | 1986-06-18 | 1987-06-17 | ALARM CLOCK WITH AN ALARM DEVICE AND AN ADJUSTABLE CONTACT MEANS FOR ACTIVATING THE ALARM DEVICE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2464/86 | 1986-06-18 | ||
CH246486 | 1986-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0269684A1 true EP0269684A1 (en) | 1988-06-08 |
EP0269684B1 EP0269684B1 (en) | 1990-05-02 |
Family
ID=4234401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87903678A Expired - Lifetime EP0269684B1 (en) | 1986-06-18 | 1987-06-17 | Alarm clock with an alarm signal device and an adjustable contact for actuating the latter |
Country Status (5)
Country | Link |
---|---|
US (1) | US4922475A (en) |
EP (1) | EP0269684B1 (en) |
JP (1) | JPS63501318A (en) |
ES (1) | ES2005893A6 (en) |
WO (1) | WO1987007966A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5798986A (en) * | 1996-10-28 | 1998-08-25 | Industrial Technology Research Institute | Alarm mechanism system |
US6582118B1 (en) * | 1997-04-25 | 2003-06-24 | Seiko Instruments Inc. | Electronic timepiece having transmission wheel rotational position detecting apparatus |
US6088302A (en) * | 1997-04-25 | 2000-07-11 | Seiko Instruments Inc. | Electronic timepiece |
DE602007005214D1 (en) * | 2007-01-30 | 2010-04-22 | Longines Montres Comp D | A watch comprising a drive mechanism of a time-related size display device |
EP2073076B1 (en) * | 2007-12-20 | 2012-06-13 | Montres Breguet S.A. | Alarm clock control mechanism |
EP3002636B1 (en) * | 2014-10-02 | 2017-08-09 | ETA SA Manufacture Horlogère Suisse | Disengaging coaxial wheels of a watch movement |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US318612A (en) * | 1885-05-19 | Vict ob gallet | ||
CH20950A (en) * | 1900-01-24 | 1901-04-30 | G Schmidt Heinrich | Electric alarm device on clocks |
US3186612A (en) * | 1962-11-20 | 1965-06-01 | Lyles Douglas Kermett | Automobile rear tire attachment |
CH427661A (en) * | 1964-10-16 | 1967-07-14 | Manuf D Horlogerie Louis Schwa | Trigger mechanism during the period when the chime is released, of the electric winder of an alarm clock |
CH487454A (en) * | 1967-10-27 | 1969-11-28 | Spadini Paolo | Timepiece with electric switch |
US3820105A (en) * | 1970-09-22 | 1974-06-25 | F Assmus | Electric signaling device for alarm clocks |
DE7105869U (en) * | 1971-02-16 | 1971-11-04 | Hettich H | DEVICE FOR TRIGGERING THE ALARM TONE ON ALARM CLOCKS |
JPS5023260A (en) * | 1973-06-29 | 1975-03-12 | ||
CH607602GA3 (en) * | 1973-11-03 | 1978-09-29 | Watch with alarm device | |
JPS5233768A (en) * | 1975-09-10 | 1977-03-15 | Seikosha Co Ltd | Watch mechanism |
JPS5820952Y2 (en) * | 1977-05-26 | 1983-05-02 | セイコ−光機株式会社 | Alarm clock time detection switch |
JPS53162760U (en) * | 1977-05-26 | 1978-12-20 | ||
JPS6234320Y2 (en) * | 1980-06-26 | 1987-09-01 | ||
DE3133540A1 (en) * | 1980-08-25 | 1982-06-03 | Fuji Keiki Co. Ltd., Urawa, Saitama | Alarm contact arrangement for analog alarm clocks |
US4396297A (en) * | 1981-02-27 | 1983-08-02 | Rhythm Watch Co., Ltd. | Device for stopping the striking of a clock at night |
-
1987
- 1987-06-17 US US07/162,327 patent/US4922475A/en not_active Expired - Fee Related
- 1987-06-17 EP EP87903678A patent/EP0269684B1/en not_active Expired - Lifetime
- 1987-06-17 ES ES8701788A patent/ES2005893A6/en not_active Expired
- 1987-06-17 JP JP62503492A patent/JPS63501318A/en active Granted
- 1987-06-17 WO PCT/CH1987/000069 patent/WO1987007966A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8707966A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1987007966A1 (en) | 1987-12-30 |
ES2005893A6 (en) | 1989-04-01 |
US4922475A (en) | 1990-05-01 |
JPS63501318A (en) | 1988-05-19 |
EP0269684B1 (en) | 1990-05-02 |
JPH0569477B2 (en) | 1993-10-01 |
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Legal Events
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