EP0651301A2 - Montre électronique - Google Patents

Montre électronique Download PDF

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Publication number
EP0651301A2
EP0651301A2 EP94112251A EP94112251A EP0651301A2 EP 0651301 A2 EP0651301 A2 EP 0651301A2 EP 94112251 A EP94112251 A EP 94112251A EP 94112251 A EP94112251 A EP 94112251A EP 0651301 A2 EP0651301 A2 EP 0651301A2
Authority
EP
European Patent Office
Prior art keywords
time
clock
display means
reference position
analog display
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
EP94112251A
Other languages
German (de)
English (en)
Other versions
EP0651301A3 (fr
EP0651301B1 (fr
Inventor
Heinz Schiebelhuth
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.)
Braun GmbH
Original Assignee
Braun GmbH
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Filing date
Publication date
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP0651301A2 publication Critical patent/EP0651301A2/fr
Publication of EP0651301A3 publication Critical patent/EP0651301A3/fr
Application granted granted Critical
Publication of EP0651301B1 publication Critical patent/EP0651301B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means

Definitions

  • the invention relates to an electronic watch with a time-keeping device and analog display means, which are progressively advanced by the time-keeping device via an electric drive according to the passage of time.
  • Such a clock is known for example from DE 38 17 284 A1.
  • the watch On the wall opposite the hands, the watch has an actuating element, by means of which the hands can be set to the correct time. It is difficult to set the time precisely to a few seconds by hand.
  • a clock is known from DE 77 10 909 U1, in which the time is set by using a numeric keypad to enter the time output in digital form.
  • the time entered by the numeric keypad is transferred to the time register in that a manual actuator is actuated when the time to be set is reached.
  • the clock can thus be synchronized to the second with the actual time, for example in that the actuating member is actuated when a time signal emitted on radio or television is sounded.
  • a similar time setting is known from DE 40 15 948 A1, in which a clock is integrated in a pocket calculator and in which the time is set using the numeric keypad of the pocket calculator.
  • a setting of the analog display device to the second is possible by, after the analog display device has been brought into the relevant reference position, by entering the desired time by means of the input device and the subsequent confirmation by an actuating device Advance analog display means from the reference position to the time to be set to the exact second.
  • the time to be set can be determined, for example, in such a way that the value of the target time register is continued by the time-keeping device.
  • the reference time register is then continued in accordance with the change in the position of the display means.
  • the time to be set then corresponds to the value of the target time register.
  • the number of steps by which the display means are to be moved then corresponds to the difference between the target clock tent register and the reference time register.
  • Another procedure for determining the time to be set can consist in that the difference is determined from the entered target time and the time corresponding to the reference position and the number of steps which the analog display means have to cover is determined therefrom. This number of steps is then stored in another register. At the same time, the time-keeping device adds the corresponding number of steps to the value of this further register in accordance with the continuous time. The movement of the analog display means then takes place by this other registers are "processed". This means that with each step of the analog display means, the value of this further register is reduced accordingly.
  • This arrangement according to the invention considerably simplifies the setting of the clock under the condition of setting to the second.
  • the input device can be, for example, a numeric keypad. In another exemplary embodiment, the input device can consist of at least one shift key, the hour, minute and second values of which are incrementally counted up or down when they are pressed.
  • the construction of the clock is simplified in that an operator stores the actual time currently output via the input device in the reference time register and that the synchronization process is started by subsequent actuation of an actuating means.
  • analog display means are brought into their reference position by an operator.
  • This version is also particularly simple, but increased attention is expected from an operator so that the reference position has been set correctly before the time to be set is subsequently set.
  • the reference time is now set fully automatically after the clock has been connected to a voltage source, which is achieved, for example, in the case of a battery-operated clock by inserting new batteries.
  • a voltage source which is achieved, for example, in the case of a battery-operated clock by inserting new batteries.
  • An operator then only needs to enter the target time via the input device and then the analog ones move Display means without further intervention by an operator on the time to be set.
  • the handling of the clock is further simplified, so that complex adjustment processes are completely avoided.
  • the features of claim 6 are provided in a development of the invention.
  • the time to be set corresponds to the target time. Further effort in determining the time to be set if this deviates by more than one minute from the entered target time due to the duration of the synchronization process during the synchronization process can then be omitted.
  • the second display is also output by a separate digital display means, regardless of the minute and hour display by the analog display means.
  • the accuracy of reading is increased by combining the analog and digital display means in one watch.
  • the electronic watch has a time-keeping device 1, which is clocked, for example, by a quartz crystal (not shown) and advances pointer 2, shown schematically, via an electric drive 3.
  • a quartz crystal not shown
  • pointer 2 shown schematically, via an electric drive 3.
  • the watch has an input device 4, by means of which times can be entered into a target time register 5, the content of which is output on a display 13 on the one hand and is continuously advanced by the time-keeping device 1 on the other hand.
  • a digital time can also be entered into a reference time register 14, which is part of a reference device 6, via the input device 4.
  • the reference device 6 itself can by a manual actuating means 10 are activated, the effect of the activation will be described later.
  • the value of a time contained in the reference time register 14 can be applied to an input 9a of a subtractor 9, the second input 9b of which is always supplied with the value of a time contained in the target time register 5.
  • the result of the subtraction of the times present at the two inputs 9a and 9b of the subtractor 9 is always present in a further register 8 of the subtractor 9.
  • target time 10 a.m. and reference position of the hands 11 a.m. 12 hours are set to the target Add up the time so that the value of the target time is 22:00.
  • the result of the subtraction of the target time minus the actual time is then 11 hours, which corresponds to the time difference between the target and actual time, provided that the pointers 2 are only advanced clockwise.
  • the result of the subtraction obtained in this way is fed to a synchronization device 7, which can also be activated manually in a manner to be explained later by means of a key 15.
  • the output of the synchronization device 7 is connected to a second input of the electric drive 3.
  • the synchronization of the time indicated by the hands 2 with a reference time source takes place in the following way: After the voltage supply has been applied to the clock, the time currently displayed by the hour and minute hands 2 is entered into the desired time register 5 via an output 4a of the input device 4. This time is then present on the one hand at the input 9b of the subtractor 9 and, on the other hand, is simultaneously output on the display 13 in digital form.
  • a reference time source for example a radio or television time signal
  • this time was also entered into the reference time register 14 of the reference time device 6 via an output 4b of the input device 4. If the manual actuating means 10, which is connected to the reference time device 6, is now actuated, the value of the reference time register 14 is fed to the subtractor 9 via the input 9a and the result of the subtraction between the times present at the inputs 9a and 9b filed in the further register 8. This result is zero because the two clock tents at inputs 9a and 9b are the same. If the time to be set precisely to the second is entered again via the input device and its output 4a in the desired time register 5, the input 9b of the subtractor 9 has a time different from the input 9a, so that the further register 8 contains a value greater than zero . This value, which is fed to the synchronization device 7, is converted into corresponding switching steps after a key 15 is pressed, after which the pointers 2 are moved to the time to be set via the electric drive 3.
  • FIG. 2 which relates to a second exemplary embodiment of the invention
  • the switching elements provided with the same reference numerals as in FIG. 1 correspond to the switching elements already described in FIG. 1. To avoid repetitions, their mode of operation is therefore only discussed in the event of deviations from FIG. 1.
  • the main difference between the block diagram of FIG. 2 and that of FIG. 1 is that the user of the watch "approaches" a specific reference position of the pointer 2 by a function key 11 that is operated manually and acts on the drive 3 of the pointer 2 , wherein the function key 11 must be pressed as long or as often until the pointers 2 are in a reference position to be determined, for example 6:00 a.m.
  • the user of the watch no longer presses the function key 11.
  • the value 6:00 a.m. is permanently stored in digital form in the reference time register 14 as the actual time and is also present at the input 9a of the subtractor 9.
  • the target time register 5 and the input 9b of the subtractor 9 are again supplied with the target time via the input device 4.
  • the difference between the actual and target time is stored in the further register 8, the difference being formed in the manner already described if the value of the actual time is greater than that of the target time.
  • the button 15 of the synchronization device 7 is now pressed, the latter switches the electric drive 3 and thus the pointer 2 by so many switching steps that the pointer 2 indicates the time to be set.
  • the time-keeping device 1 switches both the pointers 2 via the electric drive 3 and the digitally displaying display 13 via the desired time register 5 in accordance with the further course of time.
  • the reference time register 14 can be assigned differently via the input device 4 in the exemplary embodiment according to FIG. 1, the value of the time on which the pointers are currently being entered, the reference time register 14 in the exemplary embodiment according to FIG. 2 assigned an unchangeable value. The opposite is the case with the necessary movement of the pointers 2 to reach the reference position. In the exemplary embodiment according to FIG. 1, the pointers 2 are not moved, while in the exemplary embodiment according to FIG. 2 the pointers 2 have to be "moved to" a fixed reference position manually.
  • a fixed digital time is stored in the reference time register 14.
  • the movement of the pointers 2 via the electric drive 3 into the corresponding reference time position is controlled here via a sensor 12, which controls the pointers 2, for example, by means of optical devices which can detect the pointer position or the position of the corresponding gear train.
  • the sensor 12 can be activated, for example, immediately after the voltage supply (not shown) is applied to the clock.
  • the sensor 12 stops their advancement and activates via a connecting line 16 both the input device 4 for inputting the desired time and the reference device 6, which then uses the input 9a to set the fixed reference time outputs to the subtractor 9 and then, after input of the target time via the input device 4, again stores the difference between the target and actual time according to the reference position in the further register 8.
  • the pointers 2 are finally set to the desired time via the drive 3, whereby they are advanced by the time-keeping device 1 as well as the digital display on the display 13 in accordance with the passage of time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Furan Compounds (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
EP94112251A 1993-10-27 1994-08-05 Montre électronique Expired - Lifetime EP0651301B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4336549 1993-10-27
DE4336549A DE4336549A1 (de) 1993-10-27 1993-10-27 Elektronische Uhr

Publications (3)

Publication Number Publication Date
EP0651301A2 true EP0651301A2 (fr) 1995-05-03
EP0651301A3 EP0651301A3 (fr) 1995-12-20
EP0651301B1 EP0651301B1 (fr) 1998-04-08

Family

ID=6501070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112251A Expired - Lifetime EP0651301B1 (fr) 1993-10-27 1994-08-05 Montre électronique

Country Status (3)

Country Link
EP (1) EP0651301B1 (fr)
AT (1) ATE164954T1 (fr)
DE (2) DE4336549A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990960A1 (fr) * 1998-09-01 2000-04-05 Kienzle Time (Hong Kong) Limited Montre contrôlée par radio
US6965543B1 (en) 2000-10-24 2005-11-15 Kienzle Time (Hong Kong) Limited Radio controllable clock

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143279A1 (fr) * 1983-10-25 1985-06-05 Eta SA Fabriques d'Ebauches Montre pourvue d'un affichage analogique et d'un affichage numérique
EP0439725A2 (fr) * 1990-01-31 1991-08-07 Junghans Uhren Gmbh Horloge radio-pilotée autonome
EP0461849A2 (fr) * 1990-06-12 1991-12-18 Seiko Epson Corporation Récepteur pour dispositif d'appel de personnes avec fonction d'horloge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7710909U1 (de) * 1977-04-06 1977-07-28 Hartmann, Horst, 7000 Stuttgart Elektronische Uhr mit einer Digitalanzeigeeinrichtung und einer Nachstelleinrichtung
DE3817284C1 (en) * 1988-05-20 1989-07-13 Braun Ag, 6000 Frankfurt, De Wall clock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143279A1 (fr) * 1983-10-25 1985-06-05 Eta SA Fabriques d'Ebauches Montre pourvue d'un affichage analogique et d'un affichage numérique
EP0439725A2 (fr) * 1990-01-31 1991-08-07 Junghans Uhren Gmbh Horloge radio-pilotée autonome
EP0461849A2 (fr) * 1990-06-12 1991-12-18 Seiko Epson Corporation Récepteur pour dispositif d'appel de personnes avec fonction d'horloge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990960A1 (fr) * 1998-09-01 2000-04-05 Kienzle Time (Hong Kong) Limited Montre contrôlée par radio
US6965543B1 (en) 2000-10-24 2005-11-15 Kienzle Time (Hong Kong) Limited Radio controllable clock

Also Published As

Publication number Publication date
DE59405631D1 (de) 1998-05-14
ATE164954T1 (de) 1998-04-15
EP0651301A3 (fr) 1995-12-20
DE4336549A1 (de) 1995-05-04
EP0651301B1 (fr) 1998-04-08

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