EP0201791A2 - Dispositif d'indication de l'heure - Google Patents

Dispositif d'indication de l'heure Download PDF

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Publication number
EP0201791A2
EP0201791A2 EP86105811A EP86105811A EP0201791A2 EP 0201791 A2 EP0201791 A2 EP 0201791A2 EP 86105811 A EP86105811 A EP 86105811A EP 86105811 A EP86105811 A EP 86105811A EP 0201791 A2 EP0201791 A2 EP 0201791A2
Authority
EP
European Patent Office
Prior art keywords
dial
shadow
time
clock according
circle
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
EP86105811A
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German (de)
English (en)
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EP0201791A3 (en
EP0201791B1 (fr
Inventor
Paul Lynch
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT86105811T priority Critical patent/ATE82644T1/de
Publication of EP0201791A2 publication Critical patent/EP0201791A2/fr
Publication of EP0201791A3 publication Critical patent/EP0201791A3/de
Application granted granted Critical
Publication of EP0201791B1 publication Critical patent/EP0201791B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G04B19/30—Illumination of dials or hands
    • 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
    • G04B19/34—Position of the hands projected optically

Definitions

  • the invention relates to a time clock with a dial on which a marking which changes relative thereto indicates the respective time.
  • Time clocks have long been known in many forms of training. Common to all are dials with time displays, e.g. Hour, minute and second displays. The respective time is marked on the displays by markings of the most varied training which change in relation to the clock face in time intervals.
  • sundials occupy a special position in time clocks, in which the marking marking the time on the dial is formed by a time-dependent interplay of light and shadow, with the result that sundials only work when the sun is shining.
  • the present invention has for its object to use the interaction between light and shadow even without sunshine, for example in rooms or at night to display the time.
  • This object is achieved in that for generating a time-indicating marking at least one light source arranged at a distance from the dial, at least one object casting a shadow on the dial or at least one translucent surface in an otherwise opaque area or the like. and a circuit arrangement or a clock mechanism are provided, the latter either the light source at the time relative to the dial switches, or this or the shadow-casting object or the translucent surface moves.
  • the new time clock is independent of sunlight and also suitable for serving the time in various variants in closed rooms or in the dark.
  • a first embodiment works with a light source in which individual lights arranged in succession, individually switchable by the circuit arrangement and fixedly directed to the shadow-casting object are provided.
  • the individual parts of the time clock can be installed in rooms or outside of rooms in such a way that many new unexpected ways of displaying the time are opened up.
  • an interchangeable figure in particular a person, can be used as the shadow-casting object.
  • Such a form of training of the new clock is suitable, for example, for mounting in halls or passageways.
  • a person can stand up at a prominently marked location in the floor of these rooms and thus serve as a shadow-casting object for displaying the time. In the simplest case, it can produce an hour display.
  • the human being is also suitable as a shadow-casting object for effecting both hour and minute marking.
  • an embodiment according to claim 11 is, for example, in a side wall of a through ganges used, the shadow of an object casting a shadow appears on a frosted glass pane, which is designed as a dial, and marks the time opposite the hour or minute display.
  • This form of training can also serve as lighting for the room in whose side wall the time clock is housed.
  • Another exemplary embodiment of the invention is characterized in claims 12 and 13. This embodiment is also suitable for installation outside of rooms and is able to mark the time during the dark. The lights do not need to be constantly on, it is entirely within the scope of the invention if the lights are switched on when necessary.
  • the exemplary embodiments described so far work together with a circuit arrangement which includes at least one shift register which switches at the clock rate and at whose outputs the individual lights are connected.
  • the circuit arrangement can include both a minute shift register and an hour shift register, which depend on one another in terms of circuitry in a known electronic manner.
  • Driver circuits for the individual lights are generally provided between the individual lights and the outputs of the shift registers.
  • the circuit arrangement can be designed in such a way that individual lamps are used both for the minute display wbe and for the hour display and for corresponding shadow casts on the dial.
  • one spotlight can also be used, which is directed towards the object casting the shadow.
  • this sits Spotlight people on a ring-shaped arrangement, which is moved in time and leads the spotlight around the shadowing object. The shadow falls again on the time displays on the clock face.
  • an hour lamp can be arranged on a second, for example hourly circle, which is switched on at certain time intervals, so that this results in a shadow cast, which indicates the respective hour.
  • the movement of the hour or minute spot lights along an hour or minute circle can be done in a simple manner using a clockwork by which the holders for the spot lights are moved along the corresponding hour or minute circles.
  • At least one spot lamp is arranged pivotably in the center of a first circle and directed at mirrors which are arranged along the first circle.
  • the pivoting of this spotlight is again carried out with the help of a clockwork.
  • the mirrors are aimed at the shadow-casting object, for example on the floor of a room, so that the shadow marking moves along the clock display along a time display arranged on a clock face.
  • two pivotable spotlights can be provided, in order thereby to accomplish both the minutes and the hour display.
  • a further modification of the invention results from claim 23.
  • a fixed light is provided, the light rays of which can be switched on at least one shadow-casting object that can be switched in time or at least one translucent surface that can be switched in time on an otherwise opaque pane thrown onto the clock face and the time displays arranged along the second circle. This arrangement enables differences in width and height to be overcome, so that the dial can be relatively far away from the fixed lamp.
  • FIG. 1 shows schematically in cross section a first exemplary embodiment of a time clock 1.
  • a dial 40 is arranged on a floor 54 of a room which is not designated, which is shown in a top view in FIG. 3.
  • a so-called place 44 is provided, on which there is a shadow-casting object, in the exemplary embodiment shown a figure 33 or a replaceable figure 34.
  • a light source in a surface above the floor 54 or on a ceiling 53 a light source, generally designated 10, can be seen, which in the exemplary embodiment shown consists of Stnahler lights 12 which, as can be seen in FIG. 2, are arranged along a first circle 13.
  • Stnahler lights 12 which, as can be seen in FIG. 2, are arranged along a first circle 13.
  • a total of fifty-nine individual lights or spot lights 12 are arranged which, as can be seen from the cross section according to FIG. 1, are all directed toward the shadow-casting object, here FIGS. 33 and 34, respectively.
  • a switched-on spot lamp 12a generates a light cone 48 and, behind FIG. 33, 34, a shadow 50.
  • the distance between the ceiling 53 and the floor 54 can also be formed.
  • the spotlights 12 are all aligned so that they illuminate the figures 33, 34 and thereby generate a shadow 50.
  • the spotlights 12 are switched on in a time-based manner, as explained later, so that, for example, every minute, the shadow cast 50 (FIG. 3) jumps forward by one minute.
  • FIG. 2 indicates that two individual radiators 12a can also be switched on, so that, according to FIG. 3, a shadow 50 for an hour hand and also a shadow 50 for a minute hand can be formed.
  • the shadow cast forms a shadow marking 46 which, as can be seen in FIG. 3, indicates the minutes in accordance with a "large" hand of a clock.
  • the smaller pointer shown on the right in FIG. 3, serves, analogously to a conventional pointer clock, to display the hours.
  • the hour displays 42 and the minute displays 43 are provided analogously to any dial.
  • the markings 46 of the "large” i and the "small” shadow pointer thus mark the respective time on the hour and minute displays 42 and 43 when the spotlights 12, 12a are switched on in time by the circuit arrangement explained later.
  • the shadow-casting object for example a pin or a rod 31 or 32, is arranged in the center 45 of the second circle 41.
  • the figure 33, 34 shown in FIG. 1 can be arranged in a fixed manner on the pre-illustrated location 4. Without changing anything at the core of the invention, however, an interchangeable figure 34 or as such a person can also be used.
  • the switched on spot lights 12a can be used to illuminate the room. However, you can only switch it on if necessary will. If, for example, the time clock according to FIG. 1 is arranged in a hall of a bank or in a passageway of a portal, a switch can be switched on in a special embodiment when entering this room, which switches on the spot lights 12a corresponding to the time. If this person, who has switched on these spotlights, then positions himself at the above-mentioned location 44, the resulting shadow 50 will then show the hour or the minute in accordance with FIG. 3.
  • the first circle 13 with the spotlights can also be provided in the floor or in a wall and the figure 33 can be arranged on the ceiling or on the opposite wall in the center of the dial 40 also arranged there. The time can then be read on a wall or ceiling of a room.
  • the spotlights 12a can be switched on continuously or can only be actuated by a person when necessary.
  • Standard lamps can be used as spotlights.
  • ERCO 77 221 or Staff 710307 spotlights are advantageously used.
  • a total of fifty-nine spot lights are provided along the circumference of the first circle 13.
  • sixty steel lamps can also be used, one of these spotlights 12 marking the hour. Additional lights can also be used to mark a quarter and a half hours.
  • the dial 40 when used on the floor 54 of a room, can also be of mosaic ornaments or the like be surrounded by decorative accessories in order to emphasize the clock face artistically and aesthetically in a sufficient way compared to the surroundings.
  • Fig. 4 shows a modified embodiment of a timer 2.
  • the spotlights 12 are arranged on the floor 58 of a housing 57, which can be embedded in a wall 55 or in a ceiling 53, not shown, or in a floor 54, also not shown.
  • a frosted glass pane 59 is provided, in the center of which there is a pin 31 or a rod 32 as a shadow-casting object.
  • the switched on spotlight 12a casts a shadow on the frosted glass pane 59, which marks the respective time. 5 such a frosted glass pane 59 is shown with an indicated dial 40.
  • Hour displays 42 and minute displays 43 are again provided here
  • FIG. 6 and the top views according to FIGS. 7 and 8 show a third exemplary embodiment, namely the time clock 3.
  • a wall 35 which is illuminated by spotlights 12, is used as the shadow-casting object. 6 generates a shadow 50, which is also indicated in FIG. 8. This shadow cast creates a marking 46 shown in FIG. 8, which indicates the hour 6, for example.
  • At least twelve individual lights 11, 12 are used as light source 10. They are arranged in a plane 65 standing vertically on a linear dial 61 and staggered in a row. Under certain circumstances, individual spotlights 12 can also sit on a slightly curved holder 64.
  • Hour indications 62 and possibly minute indications 63 are arranged on the linear dial 61.
  • the spotlights 12 are actuated by the circuit arrangement explained in detail below in a manner analogous to the radiation lights 12, 12a in the exemplary embodiment according to FIGS. 1-3.
  • the beam of a switched-on spot lamp 12a can also generate a light cone 48 which contributes to illuminating the room in which the timer 3 is set up.
  • the shadow cast 50 is more like a drop shadow.
  • the light cone 48 serves to illuminate the room.
  • 6, 7 and 8 can be installed outside of a building, but also in rooms.
  • FIG. 9 schematically shows a circuit arrangement 68 with which the spot lights 12, 12a or corresponding individual lights 11 can be switched in time.
  • the circuit arrangement includes an hour shift register 69 and a minute shift register 70.
  • the minute shift register 70 is connected via a first switch 80 to a second frequency divider 76, whereas the hour shift register 69 is connected to a frequency divider 75 via a second switch 81.
  • Both frequency dividers 75 and 76 are operated by an oscillator 74.
  • 74 is a crystal controlled oscillator with a frequency of 4,194,302 MHz. This frequency is reduced in the first frequency divider 75 to a frequency of 2 Hz.
  • the second frequency divider 76 then further reduces the frequency in a 1:60 ratio. This controls the minute shift register 70.
  • the lamp lights 12 are connected to the outputs 71 and 72 of the shift registers 69 and 70 via driver circuits 73.
  • the shift registers and the frequency dividers 75 and 76 and the oscillator 74 are operated via a mains connection 77 and a start logic 78.
  • An indicator light 79 indicates that the scarf tion arrangement 68 is in operation. It is advantageous if the driver circuits 73 are connected both to the outputs 71 of the hour shift register 69 and to the outputs 72 of the minute shift register 70.
  • the second changeover switch 81 can be actuated in such a way that, in accordance with the minute markings for the minutes 6, 18, 30, 42 and 54 the spotlights representing the hour markers are switched on.
  • the spotlights 12, 12a in the time clock according to exemplary embodiment 3 according to FIGS. 6, 7 and 8 can also be switched in an analogous manner.
  • a dial 40 is provided on a base 54, in the center of which a pin 31 or a rod 32 is arranged.
  • a pivotable minute light 15 is arranged above the center, for example in a ceiling 53, which illuminates mirrors 25 which are arranged along the first circle 13.
  • the pivotable minute lamp 15 is pivoted every minute, for example controlled by a clockwork.
  • the respectively illuminated mirror 25, of which 59 are likewise arranged along the first circle 13, reflects the light as a light cone 48 in the direction of the shadow-casting object 31, 32 and generates a shadow cast 50, through which a marking 46 according to FIG. 3 shows the Time can be caused.
  • a dial 40 is arranged on a table top 104.
  • a fixed single-cell lamp 11 is arranged above the center of the dial and sits below a cover 103. Cone of light 48 emanate from the fixed individual luminaire 11 on all sides.
  • a clockwork 95 is arranged below the fixed lamp 11, from which a minute wave 94 and an hour wave 93 protrude.
  • An hour hand 83 and a minute hand 84 are attached to these shafts in the manner shown.
  • the cover 103 is held at a distance from the table top 104 by means of rods 105, for example made of glass.
  • the shadow casts 50 in accordance with FIG. 3 generate shadow markings 46 which indicate the time on the time displays 42 and 43 of the dial 40.
  • FIG. 13 shows a modified embodiment of a time clock 7 designed as a table lamp.
  • a dial 40 according to FIG. 3 is in turn arranged on a table top 104.
  • a lamp base 106 protrudes from the center of this dial, on the upper end of which a clockwork 95 is fastened, which drives an hour hand 83 and a minute hand 84 in accordance with the exemplary embodiment according to FIG.
  • a fixed lamp 26 is arranged inside the cover 103, the light rays of which are directed onto the dial 40. The pointers 83 and 84 move in these light beams, driven by the clockwork 95, and produce markings 46 on the dial 40.
  • FIG. 14 shows a plan view of a possible embodiment of an hour hand 83 or a minute hand 84.
  • a time clock, generally designated 8 is shown schematically in FIG. 16. Details can be found in "Connection with the 16 and 17a to 17c explained.
  • the clockwork 95 and the hour shaft 93 and the minute shaft 94 drive disks which are explained later and are arranged in the region of the light beams 27, which are generated by a lamp (not shown) and rectified by an optical device (also not shown). Without this being necessary, these light beams 27 fall in execution; 15 on a deflecting mirror 96 and reach via a likewise not designated optics according to the right side on FIG. 15 to a wall on which the dial 40 is located, on which a marking 46 in accordance with FIG Time.
  • an hour disk 98 is connected to the hour shaft 93 and a minute disk 90 is connected to the minute shaft 94, which are shown in plan view in FIGS. 17a and 17b.
  • Fig. 16 shows an exploded view that would be pushed together in practical operation. Between the hour dial 98 and the minute dial 90, a transparent dial 99 is provided, which is designed according to FIG. 17c.
  • the hour disc 89 is designed as a so-called opaque area 86, in which only one translucent surface 85 is provided.
  • the minute disc on the other hand, consists of a central translucent area 91, which is surrounded by an opaque area 88 in a ring shape. A translucent surface 87 is provided in this opaque area 88.
  • the transparent dial 99 has transparent time displays 98 through which light can pass when the light beam len pass through the translucent surface 85 and 87. Both hourly displays 42 and minute displays 43 can be provided on the dial 99.
  • the disks - actually pushed together - are surrounded by transparent disks 100 which are provided with transparent spacer rings 101 on their outer circumference. These disks hold this transparent dial 99 without the disks 89 and 90 being prevented from rotating becomes.
  • time displays can be marked on a dial 99 by play of light and shadow.
  • an hour lamp 19 and a minute lamp 20 can be guided along an hourly circular path 18 or a minute circular path 17.
  • the switched-on spotlights are directed towards a figure 33 and throw light markings 46 onto the dial (only indicated) for time indication.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Electric Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Electromechanical Clocks (AREA)
EP86105811A 1985-04-30 1986-04-26 Dispositif d'indication de l'heure Expired - Lifetime EP0201791B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86105811T ATE82644T1 (de) 1985-04-30 1986-04-26 Zeituhr.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853515521 DE3515521A1 (de) 1985-04-30 1985-04-30 Zeituhr
DE3515521 1985-04-30

Publications (3)

Publication Number Publication Date
EP0201791A2 true EP0201791A2 (fr) 1986-11-20
EP0201791A3 EP0201791A3 (en) 1988-12-28
EP0201791B1 EP0201791B1 (fr) 1992-11-19

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ID=6269462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105811A Expired - Lifetime EP0201791B1 (fr) 1985-04-30 1986-04-26 Dispositif d'indication de l'heure

Country Status (3)

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EP (1) EP0201791B1 (fr)
AT (1) ATE82644T1 (fr)
DE (1) DE3515521A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219874A (en) * 1988-06-18 1989-12-20 Geoffrey Keith Whittaker Shadow clock
DE102007053055A1 (de) * 2007-11-05 2009-05-07 Stefan Wiest Zeitanzeigeeinrichtung
US20160018585A1 (en) * 2012-12-18 2016-01-21 Koninklijke Philips N.V. Product having a luminous surface provided by a light guide

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824573C1 (en) * 1988-07-19 1990-01-18 Heinz Guenter 8000 Muenchen De Kirchhoff Device for displaying the time
DE4112043A1 (de) * 1991-04-12 1992-10-15 Ingo Maurer Uhr mit analoganzeige
FR3145715A1 (fr) * 2023-02-09 2024-08-16 Faurecia Interieur Industrie Habillage intérieur de véhicule comprenant un dispositif d’affichage

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125719A (fr) * 1955-06-02 1956-11-06 Pendule à cadran lumineux
FR1167109A (fr) * 1957-01-07 1958-11-20 Dispositif pour cadran d'horloge
US3430433A (en) * 1967-03-31 1969-03-04 Bela I Sandor Clock with an illuminated dial
DE1642179A1 (de) * 1966-01-12 1971-06-24 Gori Vaerk Ved Verfahren und Impraegnierungstank zur Druck- oder Vakuumimpraegnierung und zum nachfolgenden Trocknen von Holzgegenstaenden
US3798892A (en) * 1971-12-29 1974-03-26 V Lukens Clock mechanism
FR2298129A1 (fr) * 1975-01-20 1976-08-13 Searle Russell Appareil pour indiquer l'ecoulement du temps de facon visible
US4034549A (en) * 1975-10-20 1977-07-12 Danley Jon G Shadow clock
US4253170A (en) * 1979-01-02 1981-02-24 Meisner Arthur L Time indicating light fixture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7405724A (nl) * 1974-04-29 1975-10-31 Philips Nv Weergeefinrichting voor een telwerk zoals een klok of horloge.
DE3150943A1 (de) * 1981-12-23 1983-06-30 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Zeigeranordnung fuer eine mittels durchlicht beleuchtbare zeitanzeigevorrichtung
DE8423065U1 (de) * 1984-08-02 1984-10-31 Müller, Robert, 7070 Schwäbisch Gmünd Uhr

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125719A (fr) * 1955-06-02 1956-11-06 Pendule à cadran lumineux
FR1167109A (fr) * 1957-01-07 1958-11-20 Dispositif pour cadran d'horloge
DE1642179A1 (de) * 1966-01-12 1971-06-24 Gori Vaerk Ved Verfahren und Impraegnierungstank zur Druck- oder Vakuumimpraegnierung und zum nachfolgenden Trocknen von Holzgegenstaenden
US3430433A (en) * 1967-03-31 1969-03-04 Bela I Sandor Clock with an illuminated dial
US3798892A (en) * 1971-12-29 1974-03-26 V Lukens Clock mechanism
FR2298129A1 (fr) * 1975-01-20 1976-08-13 Searle Russell Appareil pour indiquer l'ecoulement du temps de facon visible
US4034549A (en) * 1975-10-20 1977-07-12 Danley Jon G Shadow clock
US4253170A (en) * 1979-01-02 1981-02-24 Meisner Arthur L Time indicating light fixture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219874A (en) * 1988-06-18 1989-12-20 Geoffrey Keith Whittaker Shadow clock
DE102007053055A1 (de) * 2007-11-05 2009-05-07 Stefan Wiest Zeitanzeigeeinrichtung
US20160018585A1 (en) * 2012-12-18 2016-01-21 Koninklijke Philips N.V. Product having a luminous surface provided by a light guide
JP2016503221A (ja) * 2012-12-18 2016-02-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 光ガイドによって供給される発光面を持つ製品
US10185073B2 (en) * 2012-12-18 2019-01-22 Philips Lighting Holding B.V. Product having a luminous surface provided by a light guide

Also Published As

Publication number Publication date
ATE82644T1 (de) 1992-12-15
DE3515521C2 (fr) 1992-03-12
EP0201791A3 (en) 1988-12-28
EP0201791B1 (fr) 1992-11-19
DE3515521A1 (de) 1986-10-30

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