EP1176480A1 - Vorrichtung um Daten in eine tragbares Gerät zu laden - Google Patents

Vorrichtung um Daten in eine tragbares Gerät zu laden Download PDF

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Publication number
EP1176480A1
EP1176480A1 EP00202670A EP00202670A EP1176480A1 EP 1176480 A1 EP1176480 A1 EP 1176480A1 EP 00202670 A EP00202670 A EP 00202670A EP 00202670 A EP00202670 A EP 00202670A EP 1176480 A1 EP1176480 A1 EP 1176480A1
Authority
EP
European Patent Office
Prior art keywords
sensor
control button
button
magnetic
magnet
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.)
Withdrawn
Application number
EP00202670A
Other languages
English (en)
French (fr)
Inventor
Francois Gueissaz
Dominique Piguet
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.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Priority to EP00202670A priority Critical patent/EP1176480A1/de
Priority to EP01969358A priority patent/EP1307789B1/de
Priority to PCT/EP2001/007906 priority patent/WO2002010865A1/fr
Priority to DE60115662T priority patent/DE60115662T2/de
Priority to US10/333,820 priority patent/US7016263B2/en
Priority to AT01969358T priority patent/ATE312374T1/de
Publication of EP1176480A1 publication Critical patent/EP1176480A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • G04C3/004—Magnetically controlled

Definitions

  • the invention relates to a device for entering data into an object.
  • portable in particular a watch
  • said device comprising a button control inside which a permanent magnet and a sensor are housed magnetic placed inside the object, said sensor being capable of providing electrical signals representing movements of the magnet in at least a direction for data entry.
  • the data to be entered in said object concern both time setting commands in the case of an analog or digital watch where the magnet displacements are measured by the analog magnetic sensor for that it provides analog electrical signals representative for example of the speed to reset to the desired time, whether the read command or the input messages or calculations or game commands or programming various functions.
  • the organ is in the form of a ball rotatably mounted in a housing of complementary shape to the housing of the telephone.
  • the rotations of the ball are detected for the advance of a cursor on one of the two screens at a position of a function to be selected.
  • pressing the ball validates the selection.
  • this arrangement of the ball in its housing does not guarantee waterproof protection electrical elements in cooperation with said ball.
  • handling devices such as have already been proposed to operate orders according to at least two directions of an electronic game integrated into the watch.
  • control lever After removing the control lever from a storage compartment in the bracelet, its end is fixed in a removable manner in an elastic mass the lower edges of which are held on a surface of a support creating a cavity between the support and a lower wall of the elastic mass.
  • a piece metal is fixed on said bottom wall to come to make a metal bridge (short-circuit) between metallic areas arranged on a printed circuit for detect movements in two directions (X, Y) when the lever is actuated.
  • the information introduced by this type of lever is produced by short-circuiting metal tracks, that is to say all-or-nothing, which does not allow to practice a separate measurement of analog type as a function of the movements of said lever in either direction, as would be the case with an effect sensor Hall measuring the movements of a permanent magnet.
  • the beaches metal are not tightly preserved from the external environment.
  • Document JP 8-152961 A described an example of such a device for entering data using a command button on a computer keyboard.
  • a single magnet is housed inside the button in two parts fitting one into the other.
  • the lower part of the button includes a cavity resting on a shape complementary to a structure carrying an analog magnetic Hall effect sensor to measure displacements magnet in two directions (X, Y).
  • a second magnet is placed under the sensor structure to ensure better detection of field variations magnetic to the measuring ranges of the sensor.
  • the assembly constituting the control button comprises several magnets arranged on one side of a disc of the control button opposite a equivalent number of measurement ranges of an analog magnetic effect sensor Hall arranged on a bottom of a carcass to measure the displacements of the magnets in two directions (X, Y).
  • Elastic elements connect the button disc to the upper part of the casing to keep the button in a centered position resting.
  • control button includes Hall effect sensor elements on a support and a distant magnet facing the elements.
  • the magnet is inserted in a spring support on a surface of said support without protecting the elements sensors.
  • An object which the object of the invention proposes to resolve consists of a data entry device using the combination of a magnet and a magnetic sensor, for example Hall effect, for detecting displacements said magnet to overcome the drawbacks of the devices of the prior art mentioned above.
  • the device for introducing data in a portable object in particular in a watch, which is characterized by that the analog control button has an elastic mass enclosing the permanent magnet, and in that the control button is arranged on a wall non-magnetic external object to be mechanically decoupled from the sensor magnetic analog which is placed next to said control button and the other side of the wall, said wall serving as waterproof protection for the sensor and for electronic means housed inside the object for signal management the device.
  • An advantage of the data entry device of a portable object consists of the combination of a permanent magnet with a magnetic sensor, by example Hall effect separated from a wall preserving the watertightness of the portable object without intrusion of harmful elements from the environment, where said object is placed, through said wall. Changing the orientation of the magnetic field by moving the button which includes the magnet can be picked up by said sensor easily through the non-magnetic wall of the object.
  • Another advantage of the device is the use of a sensor monolithic magnetic, for example Hall effect, located opposite and distant from the permanent magnet which is entirely enclosed in an elastic mass.
  • the sensor can be non-contact or in contact with the non-magnetic wall.
  • the sensor is fixed on a printed circuit also receiving blocks or means electronics for processing the electrical signals delivered by the sensor. As the measurement of the displacement of the control button is done by magnetic field passing through the non-magnetic wall, the printed circuit carrying the sensor has no need to be in direct contact with the wall supporting the control button.
  • Another advantage of the device is to provide a housing on the wall not magnetic, which can be a metal wall, to be able to accommodate the elastic mass enclosing the permanent magnet to facilitate the mounting of said control button during the manufacture of the object.
  • This housing also serves to ensure better lateral support of the control button which can be moved in particular in two directions.
  • the housing for example in a form complementary to the mass is not produced on said wall, it is necessary to provide a mark on the wall to be able to precisely fix said mass without difficulty or to use, when manufacture of the object, a tool for mounting said button taking into account the position of the sensor inside the object to place it precisely on the external wall.
  • control button and the magnetic sensor With the arrangement of the control button and the magnetic sensor, it can be considered to measure displacements according to one, two or three axes depending desired needs for the realization of the portable object. However, a measure in two directions with a single sensor is preferable to be able to operate a moving a cursor on the display screen with the same button command or to switch from one function table to another function table.
  • the embodiments of the device of data introduction are preferably explained only with reference to the production of an analog or digital type wristwatch, but it is clear that the device according to the invention can be mounted on other portable objects with modules electronic, such as for example a telephone, calculator or directory electronic.
  • modules electronic such as for example a telephone, calculator or directory electronic.
  • all of the elements known to those skilled in the art that make up the various parts of the watch will not be described in detail. It will only be done reference only to the elements necessary for the development of forms of execution favorite of said watch.
  • FIG. 1 part of a wristwatch 10 of analog type is represented.
  • This watch includes a dial or display screen 11 made in the form of a liquid crystal display device for display including information or various menus 13 to select, hands 12 indication of the time, electronic blocks housed inside the case in particular for the management of electrical signals from the device for introducing data, a control button 1 with permanent magnet placed on a wall not magnetic housing 5 to transmit a magnetic field to a sensor magnetic, for example Hall effect, housed inside the case, and buttons selection 9 or validation of data entered.
  • a dial or display screen 11 made in the form of a liquid crystal display device for display including information or various menus 13 to select, hands 12 indication of the time, electronic blocks housed inside the case in particular for the management of electrical signals from the device for introducing data, a control button 1 with permanent magnet placed on a wall not magnetic housing 5 to transmit a magnetic field to a sensor magnetic, for example Hall effect, housed inside the case, and buttons selection 9 or validation of data entered.
  • the case 5 of the watch encloses all the blocks or electronic means of tightly, including the magnetic sensor, for example Hall effect, to provide also time functions, as well as the various menus or messages to be made appear on the display screen 11.
  • the entire housing, or at least one wall to proximity of the control button 1 must be made of a material not magnetic so as to allow the magnetic field produced by the magnet permanent control button to pass without disturbance through the wall 5 so that the sensor detects the movements of the magnet.
  • Said control button 1 with permanent magnet which constitutes the element main of the data entry device, can be operated by the finger of a user preferably in two directions X and Y so that the magnetic sensor, for example Hall effect, not visible in Figure 1, housed hermetically in the housing of the watch measures variations in the magnetic field due to movements imposed on the magnet.
  • Analog information related to field values magnetic according to X and Y detected by the sensor is transmitted via a analog / digital converter to a microcontroller which manages the signals received and sends the data to be displayed on the display screen 11.
  • the data entry device further comprises the sensor, the converter and the microcontroller, but it is not represented on this Figure 1 only by the control button 1 placed on a non-wall magnetic 5 of the case and by the selection buttons 9.
  • Buttons 9 can be used to validate selected data with control button 1, to erase validated data or to return to back in a selection menu. Of course, said selection buttons 9 may be used to carry out other operations to the knowledge of a profession for the production of a multifunction watch.
  • buttons Given the use of the selection buttons to provide for example a validation, return or deletion order, they can be carried out simply in the form of pressure switches using a pass rod waterproof, commonly used in watchmaking. However, an achievement under the shape of the control button in combination with another magnetic sensor remote and facing the magnet of said button can be considered.
  • buttons 9 are positioned on the case on the side of the 12 o'clock indication to be able to be pressed, for example by the user's index, while the control button 1 is positioned on the housing on the opposite side of the dial so that it can be manipulated by the user's thumb for convenience. all other position of the buttons on the case is also possible with respect to other ergonomic criteria.
  • the selection buttons can be omitted.
  • the magnetic sensor must be able to measure variations in the field magnetic of the magnet of the control button along three axes X, Y and Z.
  • the values of the magnetic field along the X and Y axes allow you to choose the data to be enter by going from one menu or table of functions displayed to another, while the value of the magnetic field along the Z axis makes it possible to validate and / or memorize the chosen data.
  • the positioning at the data to enter and save this data made with the same button control and the magnetic sensor measuring along the three axes poses certain problems, especially when pressing the control button along the Z axis to validate the chosen data. This is why it may be preferable, depending on the mode of moving the cursor, use the magnetic sensor to measure either in two X and Y directions, i.e. in only one Z direction when we want to measure the pressure on said button to provide magnetic field values dependent on said pressure.
  • the possibility of using the magnetic sensor to measure the pressure exerted on said button along the Z axis allows for example when setting the time of a wristwatch to vary the speed of movement of the hands or scrolling of the numbers by pressing more or less hard on said button.
  • FIG. 5 represents two graphs of the speed of the cursor on the display screen in function of displacement in direction X or Y.
  • This type of function, represented on FIG. 5 allows precise control of the speed of movement of the cursor, and has the great advantage of offering a permanent hold on the selected position by simply releasing the button which then returns to its rest position, corresponding to a zero speed of the cursor.
  • the non-linearity of the speed control allows on the one hand a precise positioning of the cursor in X and Y, and also prevents displacement involuntary of this during validation by pressing in Z.
  • FIG 2a shows schematically a section along line A-A of Figure 1 of the control button 1 and the magnetic sensor which is advantageously made of a semiconductor material (for example a Hall effect).
  • Said control button 1 is composed of an elastic mass 2, by example in rubbery material, completely enclosing a permanent magnet 3, which can be produced in samarium-cobalt (Sm-Co) or in iron-neodymium-boron (Fe-Nd-Bo).
  • the lower part of this button 1 of cylindrical shape is preferably placed in a blind housing 7, of complementary shape, formed in a non-wall magnetic 5 of the watch case on the outside.
  • the upper part of the dome-shaped button opens out of the housing so that it can be operated easily by a user's finger.
  • the elastic mass 2 of the control button 1 has the shape of a half-sphere or a spherical cap, the lower part is inserted during assembly in a housing having a shape frustoconical whose opening diameter is smaller than the base of the part lower mass or a shape complementary to said lower part of the mass, not shown in Figure 2b.
  • a housing having a shape frustoconical whose opening diameter is smaller than the base of the part lower mass or a shape complementary to said lower part of the mass not shown in Figure 2b.
  • control button can have a pyramidal or frustoconical shape placed in a shaped housing complementary.
  • the upper part of the button can also be found on the level of the external surface of the wall while leaving the possibility of being easily manipulated by a user's finger.
  • control button on the wall not magnetic without inserting it into a housing.
  • a benchmark of positioning on said wall must be provided when mounting said button so that it either placed precisely opposite and distant from the sensor, or a positioning tool taking into account the position of the sensor must be used to place during mounting the button on said wall.
  • the permanent magnet has a magnetization axis perpendicular to the non-wall magnetic and magnetic sensor.
  • the orientation and the value of the field magnetic in the plane of the sensor are parallel and approximately linearly proportional to the radial displacement of the magnet in an area dependent on the size of the magnet and its distance d separating it from the sensor.
  • the relationship between the magnetic field and the distance between the sensor and the magnet is not linear around a given starting distance d as we can notice it in the graphs in figure 4 showing the field variations magnetic in the three directions X, Y and Z.
  • Such a sensor measuring the magnetic field for example in three directions has been described in particular in document EP 0 947 846 and is supplied on the market under the name 3D-H-10 or 3D-H-30 from the company Sentron in Zoug.
  • This sensor is based on the vertical Hall effect for in-plane detection and on the lateral Hall effect for perpendicular detection. It has contact pads for receiving the supply current and contact pads that carry electrical voltages outward depending on the applied magnetic field. These voltages make it possible to derive the values of the components B X , B Y and B Z of the magnetic field along the three measurement axes X, Y and Z.
  • the magnetic sensor 4 is placed on a printed circuit 6 carrying metal tracks to connect electrically the various electronic elements of the device for introducing data, such as the converter and the microcontroller not visible in FIGS. 2a and 2b.
  • Metal wires 8 connect sensor output pads to pads contact of metal tracks of the printed circuit in case the sensor is not encapsulated in a plastic material.
  • the sensor placed on the printed circuit is mechanically decoupled from the control button 1.
  • the use of the non-magnetic wall 5 of the housing which is not in contact, preferably with the sensor guarantees total protection of the sensor and associated systems against humidity or other external elements likely to harm.
  • the watch with its protected data entry device can therefore be used safely in any environment without special precautions. he can be considered to design for example a diver's watch in which data can be entered using the control buttons and selection.
  • Figure 3 are shown the electronic circuits of the device, linked by example to a Hall effect sensor, which processes the electrical signals controlling the information to enter or read. These circuits constitute part of the blocks watch electronics.
  • the Hall effect sensor 4 receives, from an analog / digital converter 14, a current I B which crosses the resistive zones of the doped semiconductor substrate, as shown for example in the document EP 0 947 846.
  • the voltages V X , V Y and V Z are amplified and digitalized in block 14 (monolithic CMOS circuit). In the case of a sensor measuring the components along the X and Y axes, the sensor can only output the voltages V X and V Y.
  • the analog / digital converter communicates via a data bus 15 numerical values to a microcontroller 16 so that it can process said values to provide commands via a bus 17 to the liquid crystal display of the watch or to the needle motors.
  • the data to be displayed transmitted by the microcontroller, according to the digital voltage values received, on the display of the watch are for example selection menus, tables of values, alphanumeric characters or calculation operations.
  • Two signals S1 and S2 from the selection buttons are also provided to the microcontroller for deleting information or for recording or validation of data entered.
  • the microcontroller notably includes an oscillator circuit which generates by example a frequency of 32 KHz in order to supply clock signals to logic circuit stages, a frequency division chain for data time to display, storage means distributed in a read only memory with a dedicated treatment and information program, and in one direct access memory for storing temporary information.
  • oscillator circuit which generates by example a frequency of 32 KHz in order to supply clock signals to logic circuit stages, a frequency division chain for data time to display, storage means distributed in a read only memory with a dedicated treatment and information program, and in one direct access memory for storing temporary information.
  • the first mode consists in transforming the flexion (by pressing) of the button into absolute position of the cursor on the display. It’s sort of a motion amplifier. This mode has the advantage of being fast and intuitive, but requires maintaining a position during validation, which can be problematic.
  • the second mode consists in transforming the flexion (by pressing) of the button into cursor movement speed ( Figure 5), with the advantage of allowing immobilizing the cursor at a chosen position by releasing the button towards its rest position.
  • flexion of the button to control cursor acceleration (useful for browsing large amounts of data but not very intuitive), with a speed cancel function when the button returns in the rest position.
  • FIG. 6 different menus drawn from the means for memorizing the microcontroller are displayed on the display screen.
  • the button command in direction Y we change menus or functions for example by flashing the location of the menu or function to be selected or by placing a cursor that appears on the display screen of a position indicating "Time” at a position indicating "alpha” (alphanumeric).
  • the validation of the chosen letter can be carried out without assistance a selection button, but under these conditions, it is a matter of delaying the choice of the letter by validating the letter chosen after a certain period of time without action from the control button.
  • the displacement in direction X move the hands of the watch forward or backward at a speed depending on the magnetic field picked up, i.e. the more the button is moved from its rest position and the longer the hour hands will move forward or backward quickly. In the case of a fully digital watch, this movement in the X direction will move the time indication forward or back in numbers.
  • Figure 7 which is a variant of that shown in Figure 6, it can still be considered moving from one array of functions to another array by moving the button along the Y axis and to switch from one function to another of the same table in moving the button along the X axis as can easily be seen in said figure 6.
  • the displacement along the X axis positions a cursor to a desired function or flashes the desired function.
  • the movement of the control button along the Y axis operates a change of board. Under each function of a top table, another table of sub-functions appears by moving along the Y axis.
EP00202670A 2000-07-27 2000-07-27 Vorrichtung um Daten in eine tragbares Gerät zu laden Withdrawn EP1176480A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP00202670A EP1176480A1 (de) 2000-07-27 2000-07-27 Vorrichtung um Daten in eine tragbares Gerät zu laden
EP01969358A EP1307789B1 (de) 2000-07-27 2001-07-10 Vorrichtung zum laden von daten in ein tragbares gerät
PCT/EP2001/007906 WO2002010865A1 (fr) 2000-07-27 2001-07-10 Dispositif d'introduction de donnees dans un objet portable
DE60115662T DE60115662T2 (de) 2000-07-27 2001-07-10 Vorrichtung zum laden von daten in ein tragbares gerät
US10/333,820 US7016263B2 (en) 2000-07-27 2001-07-10 Device for data input into a portable object
AT01969358T ATE312374T1 (de) 2000-07-27 2001-07-10 Vorrichtung zum laden von daten in ein tragbares gerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00202670A EP1176480A1 (de) 2000-07-27 2000-07-27 Vorrichtung um Daten in eine tragbares Gerät zu laden

Publications (1)

Publication Number Publication Date
EP1176480A1 true EP1176480A1 (de) 2002-01-30

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP00202670A Withdrawn EP1176480A1 (de) 2000-07-27 2000-07-27 Vorrichtung um Daten in eine tragbares Gerät zu laden
EP01969358A Expired - Lifetime EP1307789B1 (de) 2000-07-27 2001-07-10 Vorrichtung zum laden von daten in ein tragbares gerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01969358A Expired - Lifetime EP1307789B1 (de) 2000-07-27 2001-07-10 Vorrichtung zum laden von daten in ein tragbares gerät

Country Status (5)

Country Link
US (1) US7016263B2 (de)
EP (2) EP1176480A1 (de)
AT (1) ATE312374T1 (de)
DE (1) DE60115662T2 (de)
WO (1) WO2002010865A1 (de)

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ATE312374T1 (de) 2005-12-15
EP1307789A1 (de) 2003-05-07
DE60115662T2 (de) 2006-08-17
US20050249046A1 (en) 2005-11-10
WO2002010865A1 (fr) 2002-02-07
DE60115662D1 (de) 2006-01-12
US7016263B2 (en) 2006-03-21
EP1307789B1 (de) 2005-12-07

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