WO2008015004A2 - Cadran solaire - Google Patents

Cadran solaire Download PDF

Info

Publication number
WO2008015004A2
WO2008015004A2 PCT/EP2007/006860 EP2007006860W WO2008015004A2 WO 2008015004 A2 WO2008015004 A2 WO 2008015004A2 EP 2007006860 W EP2007006860 W EP 2007006860W WO 2008015004 A2 WO2008015004 A2 WO 2008015004A2
Authority
WO
WIPO (PCT)
Prior art keywords
sundial
dial
gnomon
time
clock
Prior art date
Application number
PCT/EP2007/006860
Other languages
German (de)
English (en)
Other versions
WO2008015004A3 (fr
Inventor
Markus Herzog
Original Assignee
Markus Herzog
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 Markus Herzog filed Critical Markus Herzog
Priority to EP07786530A priority Critical patent/EP2049953A2/fr
Publication of WO2008015004A2 publication Critical patent/WO2008015004A2/fr
Publication of WO2008015004A3 publication Critical patent/WO2008015004A3/fr

Links

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
    • G04B49/00—Time-pieces using the position of the sun, moon or stars
    • G04B49/02—Sundials
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication

Definitions

  • the invention relates to a sundial with a dial and a gnomon, which caused by sunlight on the dial image forms the pointer of the sundial.
  • the sundial 110 includes a substantially vertically arranged dial 112, from which a stick-shaped gnomon 114 protrudes.
  • a plurality of hourly lines 116 are provided which emanate from the base 114a of the gnome 114 as rectilinear rays.
  • the gnomon 114 casts a shadow 118 on the dial 112 in the light of the sun S. This shadow 118 makes it possible to read the time on the dial 112, in the present case about 9:45 am.
  • sundials were previously designed to be always the same true local time (WOZ) of each site, so at noon the sun's peak, as well as the sundial shown in Fig. 6.
  • the true local time differs from the middle local time (MOZ), which is set for a specific time zone as the official time, for example, from the middle European time (CET).
  • a first time difference is due to the difference between the geographic length of the site and the geographic length of the reference location of the particular time zone. This first time difference is temporally invariable for the respective location.
  • a second time difference is caused by the elliptical orbit of the earth around the sun and the inclination of the Earth's axis of rotation relative to the plane of the ecliptic. It is variable and changes from -14.3 minutes on the 12th of February to +16.4 minutes on the 4th of November. In dependency Depending on the legislation in force at the site, the switch between winter time and summer time may be added.
  • Sun dials of the type shown in Fig. 6 are therefore unable to display the time with a precision required for today's time. At best, they still have a decorative function these days.
  • Gnomons such as the shadow of its tip, work and know if you are in the first or second half of the year to read the time.
  • sundials A group of well-known sundials can be summarized under the designation "sun compass.” These sundials have in common that they search the sky for the sun by means of a suitable control, determine the time by finding the sun on the basis of their spatial position and in a suitable manner However, this may require additional information about the latitude and longitude of the site and precise adjustment of the sundial.
  • Such a photocell operating sundial is known from FR 2 571 865 A. It comprises a dial and a rotor which is rotatable about an axis fixed relative to the dial by means of an electric motor.
  • the electric motor is powered by the energy of two photocells, namely a southeast facing photocell and a facing southwest photocell.
  • the photocells are connected to the electric motor in such a way that they try to turn it in opposite directions. If both photocells are irradiated equally by sunlight, their effects cancel each other out and the electric motor stops. In this state, a pointer attached to the rotor then points exactly to the sun.
  • a sun compass is used to determine the time of day.
  • the sun is also used to display the time. Namely, the position of a gnome suspended from a highly complicated thread construction is influenced by no less than eight motors so that its shadow on a conventional 12-hour dial indicates the detected time.
  • DE 295 08 935 U1 also discloses a sundial of the "sun compass" type.
  • the sundial known from AT 411 499 B has a gonome designed as a slit.
  • the image of the gnome, a beam of light passing through the slit, is incident on a series of photosensors connected to a digital time display.
  • the photosensors are also connected to memory elements, so that when the sky is cloudy, the time corresponding to the time of the last ray of sunlight can always be displayed.
  • a timer is also known. However, this timer is not used as a clock whose time is displayed by the sundial, but merely serves to indicate on which day the sundial was last hit by a sunbeam.
  • a sundial is known in which the hourly scale is adjusted daily according to the ecliptic.
  • the known sundial has a highly complicated mechanism which comprises not less than three motors and three transmissions provided with control cam rows.
  • a similar sundial is also known from DE 29 05 512 B1.
  • the hour scale is adjusted manually by means of a setting disc. Namely, the adjusting disc is set to a desired date, wherein the required adjustment of the hourly scale is brought about via a corresponding provided on the adjusting disc cam curve.
  • a sundial of the type mentioned above which further comprises: a sensor device which detects an actual position of the image of the gnome on the dial, a clock which the actual time and thus a desired position of the image of the Gnomons on the dial predetermines, a comparator device which compares the detected by the sensor device actual position with the desired position, and an adjusting device which, depending on a signal output from the comparator device, the position of the gnome changed such that the actual position coincides with the desired position.
  • This closed-loop control in contrast to the open-loop controls provided in the conventional sundials discussed above, enables the image of the gnome to be detected when season-related, location-related or other deviations occur between it Target and its actual position can always be tracked in its actual time corresponding SoII position.
  • the components required for tracking are simple, robust and cost-effective.
  • the simple control loop requires no special control engineering effort.
  • the present invention can be viewed either as a sundial with a correction function or as a "normal" clock with a sundial-type display
  • a conventional sundial provides, in particular, the image of the gnomon on the dial for reading the time serves, and the tracking of the gnome is not readily apparent, the present invention as a "sundial" has been titled.
  • a clock operated with a clock in the form of a sundial is known.
  • this clock is indeed a the position and position of the gnome of an equatorial sundial engaging rod present.
  • this rod is not used as a shadow thrower, but as a holder and axis of rotation of serving as a double-clock hand of a 24-hour clock tire.
  • FR 2 153 182 A discloses a planar version of a true clock which imitates the appearance of a sundial but actually indicates time by means of a double pointer rotating once around its axis in 24 hours.
  • FR 2 812 952 A belongs in the category of conventional watches, which only mimic the appearance of a sundial.
  • the clock can advantageously be an electronic clock, preferably a radio-controlled clock.
  • the clock, the comparator device and the adjusting device are arranged or received in an area of the sundial which is not visible from the outside.
  • the bearing point of the gnomon on the dial which allows its location change, be designed so that a change in the position of the gnome does not fall into the eye.
  • the bearing can be spherical or cylindrical. In this case, it is preferred if a plane of maximum cross-sectional area, which in the case of the cylindrical shape extends parallel to the cylinder axis, runs flush or slightly below the surface of the dial.
  • “slightly” means that the bearing axis is completely accommodated in the dial, and the sensor device can be integrated inconspicuously into the dial, for example in the form of a straight line or curved line on which the time division is provided a protective layer of optionally colored, at least partially transparent glass, plastic or the like.
  • the sensor device may be a photoelectrically operating sensor device, for example comprising a plurality of photoelectric elements.
  • a photoelectrically operating sensor device for example comprising a plurality of photoelectric elements.
  • the sensor device can be a or a plurality of line sensors, in particular one or more CCD line sensors (CCD), as used, for example, in flatbed scanners.
  • CCD CCD line sensors
  • a photoelectrically operating sensor device has the further advantage that a current generated by it can be used to operate the clock and / or the comparator device and / or the adjusting device.
  • the current generated by the photoelectrically operating sensor device can be temporarily stored in a battery unit. Since the seasonal change in the position of the gnome is about 7 ° 30 '(1 hour corresponds to a change in the position of the sun of 15 °) over a period of about 3 months (4 November to 12 February), that is for the Dimensioning of the power of the adjusting device decisive variable the changeover by one hour from summer time to winter time and vice versa, thus about 15 ° in a night or at sunrise.
  • the current generated by the sensor device for operating the components of the tracking unit may additionally or alternatively be provided a solar cell and / or at least one battery.
  • a solar cell and / or at least one battery may additionally or alternatively be provided.
  • all conceivable types of movement can be used.
  • One of the most inconspicuous realizable yet reliable options is when the gnomon is pivotally mounted on the dial.
  • the pivot axis may preferably run parallel to the surface of the dial.
  • This variant can be realized particularly easily manufacturing technology.
  • a substantially U-shaped gnomon can be used, wherein the ends of the free U-legs are advantageously both pivotally mounted in the dial.
  • the adjusting device can selectively attack either only one or both leg ends of the bow-shaped gnome.
  • the pivot axis extends at a predetermined angle to the surface of the dial. Yes, even the use of a ball joint is conceivable, which allows a pivoting in all directions.
  • a suitable strategy with regard to the frequency and also the time of implementation of the regulation according to the invention can contribute to making the correction movements of the gnomon as inconspicuous as possible for the observer.
  • the regulation according to the invention only needed to be carried out once a day, since one would hardly be able to read the time from the sundial according to the invention more accurately than to one minute, while the seasonal variation does not exceed half a minute per day.
  • This daily one-time correction can for example be done immediately after sunrise.
  • the sunrise in the context of the method according to the invention may be defined, for example, by the total voltage output by the sensor device exceeding a predetermined threshold and / or by the spatially resolved signal output by the sensor device determining the actual position of the image of the gnome with sufficient certainty allowed, ie, for example, the signal-to-noise ratio exceeds a predetermined value.
  • the correction according to the invention may alternatively to a fixed time for the whole year or at a date-dependent, average sunrise time or at the last determined as sunrise time and stored time plus a predetermined time interval of for example 10 or 15 minutes are performed.
  • the comparator device checks at predetermined time intervals, preferably at least every hour, more preferably at least every 30 minutes, more preferably at least every 15 minutes, whether or not the target position of the image of the gnomon on the dial coincides with its actual position. and triggers a corresponding correction movement via the adjusting device in the event of a mismatch.
  • the second variant of the method is not worked with a fixed predetermined time interval, but with a variable time interval.
  • a predetermined time interval for example, 30 minutes begun.
  • the comparator device detects that the Difference between desired position and actual position exceeds a predetermined first threshold, for example, a distance corresponding to half a minute, it reduces the time interval until the next check.
  • the reduction in the time interval can be achieved, for example, by halving the time interval used hitherto by dividing the time interval used hitherto by the quotient of the difference between the desired position and the actual position as a numerator and the predetermined first threshold as the denominator, optionally taking into account a factor other than one , or be formed in any other suitable manner.
  • the comparator device determines that the difference between the desired position and the actual position falls below a predetermined second threshold, for example a distance corresponding to a quarter of a minute, it increases the time interval until the next check.
  • the increase in the time interval can be achieved, for example, by doubling the time interval used so far, multiplying the time interval used so far by the quotient of the difference between the desired position and the actual position as a numerator and the predetermined first threshold as a denominator, optionally taking into account a factor other than one , or be formed in any other suitable manner.
  • Both variants of the method can preferably be carried out only if the voltage output by the sensor device exceeds the predetermined threshold value and / or if the spatially resolved signal output by the sensor device permits a determination of the actual position of the image of the gnome with sufficient certainty, ie For example, the signal-to-noise ratio exceeds a predetermined value. As a precautionary measure, however, it is also possible to set a predetermined time of day after which the method variants are no longer executed.
  • this predetermined time of day may be a fixed time for the whole year time, for example, 20 o'clock, or for each day of the year variable, for example, according to a mean sunset time, set time or last as Sunset time determined and stored time plus a predetermined time interval of, for example, 10 or 15 minutes are used.
  • a bad weather function can be provided for both process variants. For example, for a predetermined number of days of the year (for example, every fifth day) at a predetermined number of times (for example, every other hour), the angular position of the gnomon may be stored. This makes it possible to correct the position of the gnome even with excessive clouding by interpolation between the stored values, so that when the sun appears again behind the clouds, it only needs to be adjusted imperceptibly.
  • the memory locations provided for this function can be pre-assigned with appro- priate default values at the factory.
  • improved default values can then be calculated and stored from the values stored on the first day of the sun with the aid of the equation of time for the respective installation site and the respective setup method for the whole year.
  • the above-described bad weather function is primarily not to allow a time display, although such a time display is not completely excluded even in diffused light. Rather, it serves to ensure that when the sun comes out from behind the clouds, the gnomon will assume a position suitable for precise time indication.
  • the actual position of the image of the gnomon on the dial can be determined from the spatially resolved signal provided by the sensor device in a manner known per se. Since the fact that the signal in the range of the extremum (ie the minimum in a shadow image or the maximum in a light image) changes only very slightly, the determination of the position of the extremum difficult, for example, the positions of the both points determine whose signal value is half of the extremum value, and set the midpoint between these two positions as the extremum position or actual position of the image of the gnome.
  • the inventive concept can be used without exception in any type of sundial, be it a vertical sundial, a horizontal sundial, an equatorial sundial or any other type of sundial.
  • the base plate of the dial may be made of stone, for example marble, granite or the like, of materials made of stone, for example mixed with synthetic resins, of metal, for example stainless steel or the like, of wood, of wood using, for example blended with synthetic resins, manufactured materials, plastic or like materials, or a mixture or combination of a majority of these materials.
  • the digits of the dial can be made of a different material from the base material or formed in this or subsequently introduced.
  • the gnomon may be made of, for example, metal, for example stainless steel or the like, of wood, of materials produced using wood, for example mixed with synthetic resins, of plastic or similar materials.
  • all feedthroughs of signal or power lines can preferably be sealed from the visible side of the sundial to the non-visible area, which is preferably arranged on the side of the sundial facing away from the visible side, for example by pouring Synthetic resin or the like.
  • the gondola deposit (s) may occasionally require cleaning, and if necessary, lubrication to ensure the proper adjustability of the gnome.
  • Figure 1 is a schematic representation for explaining the principle of operation of a sundial according to the invention
  • Figure 2 is a sketch for explaining the evaluation of the spatially resolved signal of the sensor device
  • FIG. 3 is a schematic diagram for explaining the parameters of the sundial according to FIG. 1 which can be influenced for readjustment;
  • FIG. 5b is a supplementary illustration to explain the embodiment according to FIG. 5a.
  • Fig. 6, 7 representations of sundials of the prior art.
  • a sundial according to the invention is generally designated 10. It comprises a base body 11 with a dial 12 and a gnomon 14.
  • the gnomon 14 casts a shadow 18 on the dial 12 in the light of the sun S.
  • On the dial 12 there is provided an hourly scale 16 which is the reading of the time on hand Position P is t the shadow 18 allows.
  • a sensor device 20 following the progression of the hour scale 16 is arranged, the spatially resolved output signal O s of which is an evaluation input. direction 22 is supplied.
  • the evaluation device 22 determines, as will be explained in more detail below with reference to FIG. 2, from the spatially resolved output signal Os the actual position P, st of the shadow 18 of the gnomon 14 and transmits a signal O corresponding to this actual position P ost . St to a comparator 24.
  • a clock 26 is provided which outputs a time signal corresponding to the actual time O ze u to a conversion device 28.
  • the conversion device 28 determines from the time signal O ze ⁇ t the desired position P so n of the shadow 18 of the gnome 14 and outputs a corresponding signal O so n to the comparator 24 from.
  • the comparator 24 compares the two signals O, st and O so n together. Provides the comparator 24 thereby determines that the amount of the difference between the desired position P so n and present position P ⁇ sl (ie
  • control signal O st can only predetermine the direction of the adjustment, and the adjusting device 30 can only adjust the gonomon 14 by a predetermined angle, wherein the determination of the actual position P, st of the shadow 18 of the gnomon 14, the comparison of setpoint position P so n and present position P ls t by the comparator 24 and the output of the control signal O s t to the actuator 30 is repeated until the target position P so n and present position P ⁇ s t of the shadow 18 of the gnomon 14 within the aforementioned accuracy.
  • the operation of the comparator 24 is controlled by a tripping device 32 is controlled, on the one hand, the total output from the sensor device 20 voltage V and on the other the corresponding the real time timing signal ze O .t the clock is fed to the 26th From these two signals determines the triggering device 32, for example according to The above-explained possible strategies when and how often the comparator device 24 compares the desired position P so n and the actual position P is t of the shadow 18 of the gnome 14 with each other and optionally outputs a control signal to the actuator 30.
  • a memory device 34 is provided, in which the respectively required control values of the actuating device 30 are stored for a plurality of times of the year. From these control values, the trigger device 32, if the sensor device 20, for example due to excessive clouding, is unable to provide a spatially resolved signal Os, determine by means of interpolation a suitable control value for the respective instant and via the comparator device 24 output to the actuator 30. As a result, a bad weather operation of the sundial 10 according to the invention is made possible.
  • the evaluation device 22, the comparator device 24, the conversion device 28, the triggering device 32 and the memory device 34 may be part of a microcomputer 36, as indicated in phantom in FIG.
  • the current I generated by the sensor device 20 can be supplied to a rechargeable battery unit 38, in which it is stored and, if necessary, delivered to the microcomputer 36 or its components for their operation.
  • This battery unit 38 allows in particular the above-mentioned bad weather operation. If the electrical energy generated by the sensor device 20 is insufficient, then at least one solar cell and / or at least one battery may additionally be provided. These are indicated at 40 in total.
  • microcomputer 36 including its components evaluation device 22, comparator device 24, conversion device 28, triggering device 32 and memory device 34, the clock 26, the battery unit 38 and the battery 40 in at least one of outside not visible recess 42 of the sundial 10 are arranged.
  • the evaluation device 22 can determine the actual position P ist of the image 18 of the gnomon 14 from the spatially resolved signal O s of the sensor device 20.
  • the problem is that the spatially resolved signal O s in the range of one extremum, ie in the present case of the minimum originating from the gnomon shadow 18 changes very little, which, taking into account the signal noise, the determination of the position of the extremum, ie the actual position P is the Gnomon shadow 18, difficult, if not impossible.
  • the positions P% ⁇ and P- ⁇ .2 are determined, in which the signal excursion with respect to the reference line I 0 is exactly half the maximum excursion (l ext -lo) , There, the change in the signal excursion is usually maximum, so that one can determine these positions with sufficient accuracy, taking into account the signal noise. Subsequently, the arithmetic mean (Py 2 , i + P / 2 , 2) / 2 of these two values is determined as the extreme position P ext , ie the actual position P ist of the gnomon shadow 18.
  • this area for example the recess 42, is covered with respect to the outside environment can, wherein the cover may additionally comprise means which, in particular, at least complicate the penetration of moisture, if not completely prevent, for example, a circumferential seal.
  • a certain relief in this context can create the possibility of setting the division of the hour lines on the dial only when the sundial is set up, for example, by shifting a predetermined division of the hour lines on the dial by a predetermined distance, for example, moves in a designated guide ,
  • This predetermined distance can be selected on the one hand as a function of the place of installation of the sundial. Additionally or alternatively, this predetermined distance can also be selected depending on the orientation of the sundial at the site.
  • the above-mentioned, pivotable solution with preferably parallel to the surface of the dial 312 of the sundial 310 extending pivot axis only a single Degree of freedom, namely the pivot angle ⁇ .
  • the Gnomon 314 does not necessarily have to be designed as a substantially U-shaped bracket and also does not necessarily have to be supported by two bearing points on the dial, but may also have only a single bearing point, as indicated by dashed lines in FIG. 4 is (also: sensor device 320 and hourly scale 316).
  • the solution also mentioned with ball joint has two degrees of freedom, namely in accordance with the description by means of spherical coordinates over an azimuth pivoting degree of freedom ⁇ (pivoting about an axis of the dial 12 substantially orthogonal axis) and a height pivoting degree of freedom ⁇ (pivoting about an axis substantially parallel to the plane of the dial 12 and rotating with the azimuth axis).
  • a connection to a power supply can also be provided.
  • the movement of the desired position i. at least a portion 444 of the dial 412, in particular the hourly line 416, is technically identical and equivalent in terms of reaching the match of target and actual position, but also has the further advantage that the moving parts in a simple manner of a transparent Protective layer 446 covered and thus against external influences, in particular moisture, can be protected.
  • the at least one part 444 of the dial 412 may be formed by a band 450 wound onto or revolving on rollers 448, on which the hour-line graduation 416 is applied and which is movable by means of an adjusting device 430.
  • the at least one part of the dial is formed by a display device on which the display of the hourly line distribution verifies is pushed.
  • the hourly line division or / and the sensor device can run in a straight line and / or curved (for example in the form of a circular arc) and / or angled (for example polygonally).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Electric Clocks (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

L'invention concerne un cadran solaire (10) comprenant un cadran gradué (12) et un gnomon (14) dont l'image (18) produite par la lumière du soleil sur le cadran gradué (12) forme l'aiguille du cadran solaire (10). Conformément à l'invention, le cadran solaire (10) comprend en plus un dispositif détecteur (20) qui détecte une position réelle (Préelle) de l'image (18) du gnomon (14) sur le cadran gradué (12), une horloge (26) qui indique l'heure réelle et ainsi une position théorique (Pthéorique) de l'image (18) du gnomon (14) sur le cadran gradué (12), un dispositif comparateur (24) qui compare la position réelle (Préelle) détectée par le dispositif détecteur (20) avec la position théorique (Pthéorique) et un dispositif de positionnement (30) qui modifie la position du gnomon (14) et/ou d'au moins une partie du cadran gradué en fonction d'un signal délivré par le dispositif comparateur (24) de telle sorte que la position (Préelle) réelle coïncide avec la position théorique (Pthéorique).
PCT/EP2007/006860 2006-08-03 2007-08-02 Cadran solaire WO2008015004A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07786530A EP2049953A2 (fr) 2006-08-03 2007-08-02 Cadran solaire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006036313A DE102006036313B3 (de) 2006-08-03 2006-08-03 Sonnenuhr
DE102006036313.2 2006-08-03

Publications (2)

Publication Number Publication Date
WO2008015004A2 true WO2008015004A2 (fr) 2008-02-07
WO2008015004A3 WO2008015004A3 (fr) 2008-03-13

Family

ID=38565116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006860 WO2008015004A2 (fr) 2006-08-03 2007-08-02 Cadran solaire

Country Status (3)

Country Link
EP (1) EP2049953A2 (fr)
DE (1) DE102006036313B3 (fr)
WO (1) WO2008015004A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025316A1 (de) 2008-05-27 2009-12-03 Herzog, Markus, Dr. Sonnenuhr
KR20190052511A (ko) * 2017-11-08 2019-05-16 울산대학교 산학협력단 균시차를 보정한 해시계 장치 및 동작 방법
CN112213937A (zh) * 2020-11-10 2021-01-12 苏州凡目视觉科技有限公司 一种多工位的自动检测装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008007744U1 (de) 2008-04-08 2009-03-19 Dugi, Zelimir, Dipl.-Ing. Armbanduhr
CN103499978A (zh) * 2013-09-28 2014-01-08 国家电网公司 一种光伏自动追日控制系统及其使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781292A1 (fr) * 1998-07-16 2000-01-21 Jean Marc Savy Horloge solaire affichant l'heure par la projection de l'ombre du soleil, meme par temps couvert, de jour comme de nuit
DE10342348A1 (de) * 2003-09-09 2005-04-07 Botsch, Marcus, Dipl.-Designer Äquatorialsonnenuhr

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2000577A1 (de) * 1970-01-08 1971-09-23 Gerhard Schoelver Sonnenuhr
FR2153182A1 (fr) * 1971-09-20 1973-05-04 Union Horlogere Gros Vol
DE2905512B1 (de) * 1979-02-14 1979-10-11 Dieter Schlueter Einstellbare Sonnenuhr
DE2939822C2 (de) * 1979-10-01 1984-12-20 Manfred 5768 Sundern Micke Mit einem Uhrwerk betriebene 24-Stunden-Uhr in Form einer Sonnenuhr
FR2571865A1 (fr) * 1984-04-12 1986-04-18 Armanet Franck Horloge solaire.
DE29508935U1 (de) * 1995-05-30 1995-08-24 Boettiger Volker Sonnenuhr
FR2812952B1 (fr) * 2000-08-11 2002-10-04 Michel Henri Maurice Lebel Dispositif de simulation de cadrans solaires
AT411499B (de) * 2001-04-30 2004-01-26 Hans Dipl Ing Roiger Sonnenuhr
DE202005004305U1 (de) * 2005-03-17 2005-07-14 Zeuner, Hermann Sonnenuhr mit Uhrwerk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781292A1 (fr) * 1998-07-16 2000-01-21 Jean Marc Savy Horloge solaire affichant l'heure par la projection de l'ombre du soleil, meme par temps couvert, de jour comme de nuit
DE10342348A1 (de) * 2003-09-09 2005-04-07 Botsch, Marcus, Dipl.-Designer Äquatorialsonnenuhr

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025316A1 (de) 2008-05-27 2009-12-03 Herzog, Markus, Dr. Sonnenuhr
KR20190052511A (ko) * 2017-11-08 2019-05-16 울산대학교 산학협력단 균시차를 보정한 해시계 장치 및 동작 방법
KR102071980B1 (ko) * 2017-11-08 2020-01-31 울산대학교 산학협력단 균시차를 보정한 해시계 장치 및 동작 방법
CN112213937A (zh) * 2020-11-10 2021-01-12 苏州凡目视觉科技有限公司 一种多工位的自动检测装置

Also Published As

Publication number Publication date
WO2008015004A3 (fr) 2008-03-13
EP2049953A2 (fr) 2009-04-22
DE102006036313B3 (de) 2007-11-08

Similar Documents

Publication Publication Date Title
WO2007025618A1 (fr) Systeme suiveur pour installation solaire
WO2008015004A2 (fr) Cadran solaire
DE2702297C2 (de) Nachführeinrichtung zur kontinuierlichen Ausrichtung eines Sonnenkollektors
EP0447849B1 (fr) Commande électronique pour volet roulant
DE102005055258A1 (de) Montierung für eine Gruppe von Solarmodulen
EP1194690A1 (fr) Installation d'energie eolienne a regulation de la projection de l'ombre
EP1069277B1 (fr) Arrangement pare-soleil avec commande de store automatique et possibilité d'intervention manuelle
DE4119369C2 (fr)
DE202008008630U1 (de) Betätigungselement für ein Zielfernrohr
WO2011110471A2 (fr) Poursuite de surfaces solaires
DE10342348B4 (de) Äquatorialsonnenuhr
DE2935071A1 (de) Halterung fuer sonnenkollektoren.
DE19819091C1 (de) Satellitenantenne mit Sonnenuhr
DE3510637A1 (de) Funkuhr mit ferrit-antenne
DE10134772B4 (de) Vorrichtung zur Wochentag- und Monatstaganzeige
DE202005004305U1 (de) Sonnenuhr mit Uhrwerk
DE10142214B4 (de) Verfahren und Anordnung zur Nachführung von sonnenbestrahlten Flächen entsprechend dem Stand der Sonne
DE20317666U1 (de) Vorrichtung zur Nachführung eines Sonnenlichtkollektors
DE7924579U1 (de) Halterung fuer sonnenkollektoren
DE102008025316A1 (de) Sonnenuhr
DE3546471C2 (fr)
DE102007011889B3 (de) Uhr zur Anzeige der Weltzeit
EP1760560A2 (fr) Interrupteur horaire programmable mécanique
EP3236322B1 (fr) Minuterie astronomique
EP1528877B1 (fr) Piece de mobilier

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07786530

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2007786530

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: RU