EP1519453B1 - Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument - Google Patents

Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument Download PDF

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Publication number
EP1519453B1
EP1519453B1 EP03021458A EP03021458A EP1519453B1 EP 1519453 B1 EP1519453 B1 EP 1519453B1 EP 03021458 A EP03021458 A EP 03021458A EP 03021458 A EP03021458 A EP 03021458A EP 1519453 B1 EP1519453 B1 EP 1519453B1
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EP
European Patent Office
Prior art keywords
input
output terminal
portable electronic
transmission
connecting element
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.)
Expired - Lifetime
Application number
EP03021458A
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German (de)
English (en)
French (fr)
Other versions
EP1519453A1 (fr
Inventor
Yves Oesch
Jean-Daniel Etienne
Emil Zellweger
Yvan Ferri
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 DE60306524T priority Critical patent/DE60306524T2/de
Priority to AT03021458T priority patent/ATE332022T1/de
Priority to EP03021458A priority patent/EP1519453B1/fr
Priority to SG200405587A priority patent/SG110180A1/en
Priority to TW093128442A priority patent/TWI366964B/zh
Priority to CNB2004100824883A priority patent/CN100527022C/zh
Priority to US10/946,882 priority patent/US7210845B2/en
Priority to KR1020040076297A priority patent/KR101208858B1/ko
Priority to JP2004276759A priority patent/JP4949614B2/ja
Publication of EP1519453A1 publication Critical patent/EP1519453A1/fr
Priority to HK05107529.0A priority patent/HK1075303A1/xx
Application granted granted Critical
Publication of EP1519453B1 publication Critical patent/EP1519453B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/6485—Electrostatic discharge protection
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs

Definitions

  • the present invention generally relates to a portable electronic instrument comprising a housing, at least one electronic unit housed inside the housing, and at least a first input and / or output terminal accessible from the outside of the housing and comprising an electrically conductive connecting element which is mounted movably relative to the housing, this input and / or output terminal being adapted to be electrically connected to an input terminal and / or output of the electronic unit via a transmission line and to allow the transmission of electrical signals on the transmission line through the connecting element, the connecting element being able to occupy a first or second position in which the input terminal and / or output terminal is respectively decoupled or coupled to the input and / or output terminal of the electronic unit,
  • JP 11-126115 A and JP 2001-175610 disclose similar solutions of providing the portable electronic instrument with a set of input / output terminals placed for example laterally on the instrument housing.
  • Each input / output terminal comprises a link member movably mounted relative to the instrument housing.
  • Each connecting element is adapted to occupy a first position (namely a non-sunken rest position) where the connecting element is decoupled mechanically and electrically from the corresponding transmission line inside the housing and therefore the unit. electronic.
  • Each connecting element can occupy a second position (ie a depressed position) where an electrical connection is established between the connecting element and the corresponding transmission line thus allowing communication with the electronic unit.
  • a specific adapter is used to bring the various link elements into their second position depressed.
  • other similar terminals provide for charging an accumulator with electrical energy housed in the electronic instrument.
  • EP 1 134 630 A1 describes another similar solution where at least one pusher is used to transmit and / or receive data from the electronic instrument.
  • the connecting element of the input / output terminal is formed by the rod of the pusher.
  • the advantage of this last prior solution lies in the use of one or more control members (typically push button type) for electrically connecting the electronic instrument to an external unit, for example a personal computer. In this way, no specific contact element is necessary to establish an electrical connection between the electronic instrument and the external unit, this electrical connection being established when the control device or controllers configured to have the above-mentioned dual function. are brought into the depressed position.
  • a common advantage of the above-mentioned three solutions is that the connecting element ensures, when not actuated, mechanical and electrical decoupling of the input / output terminals and the corresponding transmission lines inside. of the instrument case. This provides a first level of electrical protection for the interface between the electronics housed inside the instrument case and the outside world.
  • This first level of protection is not sufficient to ensure optimal protection of the interface.
  • the connecting elements provide mechanical and electrical decoupling of the input / output terminals and the transmission lines, there is nevertheless a relatively significant risk that electrical charges may be introduced on the transmission lines when the actuation of the connecting elements. This risk is even greater if the electrical potential of the connecting elements is left floating in the idle state (in the not depressed position).
  • ESD components electro- s tatic d ischarge
  • TVS "t ransient v oltage s uppressor”
  • a general aim of the present invention is therefore to propose a solution that makes it possible to provide optimum electrical protection for the interface between the electronic unit and the outside world.
  • Yet another object of the present invention is to propose a solution which makes possible interfacing without interference between the outside world and an electronic unit coupled to other components, for example via a bus.
  • the present invention thus relates to a portable electronic instrument whose characteristics are set forth in claim 1.
  • the proposed solution consists in particular in providing a transmission gate interposed on the transmission line between the input / output terminal and the input / output terminal of the electronic unit, this transmission gate having a transmissive or non-transmissive state. allowing the input / output terminal to be respectively coupled to or decoupled from the input / output terminal of the electronic unit.
  • This transmission gate is completed by a protection element against electrostatic discharges interposed on the transmission line between the input / output terminal and the transmission gate.
  • the portion of the transmission line between the input / output terminal and the transmission gate typically constitutes a high power portion.
  • the transmission gate thus makes it possible to decouple this high-power portion from the input / output terminals of the electronic unit as long as the input / output terminals are not used to communicate with the electronic unit .
  • the ESD protection element does not disturb, in this state, exchanges or communications between the electronic unit and the other components of the system.
  • the ESD protection element however, always fulfills its primary function of allowing the establishment of a discharge path between the transmission line (on the portion between the input / output terminal and the transmission gate) and a mass of the circuit, as soon as electric charges accumulate or are introduced in too many numbers on this line.
  • the ESD protection element thus provides protection for the input of the transmission door and the downstream components, including the electronic unit.
  • the ESD protection element and the transmission gate cooperate together to provide optimum electrical protection for the interface between the electronics unit and the outside world. This protection is in addition to that provided by the mechanical and electrical decoupling function provided by the input / output terminal and its mobile link element.
  • the electronic unit is coupled to a bus, the transmission line and the input / output terminal of the electronic unit being coupled to a line of the bus.
  • this line of the bus is brought, in the non-busy state, to a reference voltage, a first means for pulling the line of the bus at the reference voltage being connected to the bus line, between the transmission gate and the input / output terminal of the electronic unit.
  • Second means for pulling the bus line at the reference voltage is further connected to the transmission line between the input / output terminal and the transmission gate.
  • the second means completes or replaces the first means to compensate for the effects of parasitic capacitance of the ESD protection element.
  • the portable electronic instrument comprises a user interface, this user interface comprising at least a first control member movably mounted on the housing and operable by a user, this first control member also the role of the input / output terminal.
  • the control member is advantageously made in the form of a pusher movably mounted in a mounting hole formed in the housing so as to have a translational travel in a manner actuating axis, this pusher being operable by pressure to be brought from a first position said not depressed to a second so-called depressed position.
  • This pusher comprises an electrically conductive rod, forming the connecting element of the input / output terminal, which passes through the mounting hole and which has first and second ends opening respectively inside and outside the housing .
  • control member actuates a first electrical contact, electrically isolated from the connecting element, to produce in response a control signal, and a second electrical contact for establishing, in a depressed position, an electrical connection between the element link of the input / output terminal and the transmission line.
  • This second electrical contact establishes, when the control member occupies the first position, an electrical connection between the connecting element and a specific electrical potential thus avoiding the accumulation of electrical charges on the connecting element.
  • connection element In general, it is in fact advantageous to provide means for bringing the connection element to a determined electric potential when this connection element occupies the first decoupling position, and to interrupt the connection of the connecting element. at the determined electric potential when this connecting element occupies the second coupling position and thus allow the transmission of electrical signals on the transmission line. This ensures that electrical charges can not first accumulate on the connecting element.
  • the invention proceeds from the general idea of connecting a portable electronic instrument (for example a wristwatch) to an external electrical or electronic device via at least one input / output terminal accessible from the outside the housing of the portable electronic instrument (advantageously at least one user interface control member which is equipped with the portable electronic instrument).
  • transmission of electrical signals will be understood in particular the communication of data to and / or from the portable electronic instrument.
  • the external device can thus be an electronic communication device, for example a personal computer.
  • electronic unit one will also understand any unit with which it is desired to interact through the input / output terminals, in particular a processor unit or a memory unit.
  • the preferred embodiment which will be described in the following description is advantageously based on the use of two control elements already present (in this case two pushbuttons) to establish communication with an electronic unit housed in the room. inside the instrument case.
  • the two control elements thus configured serve two functions, namely their first control function for the selection of functions of the portable electronic instrument (selection of operating modes or information, updating of data or of parameters of the portable electronic instrument, eg time and / or date, etc.) and the additional input / output terminal function for establishing communication with at least one electronic unit housed at the inside of the instrument case.
  • each input / output terminal is equipped with an electrically conductive connecting element which is mounted movably relative to the housing so as to occupy at least two distinct positions in which this connecting element is coupled or decoupled from the corresponding transmission line (eg images of the solutions described in JP 11-126115 A and JP 2001-175610 mentioned above).
  • the additional use of the input / output terminal as a control device, as described below, is however particularly advantageous since specific terminals are not necessary.
  • the transmission of electrical signals can be established as soon as the or control members configured for this purpose are brought into their coupling position (in the depressed position).
  • the connection of the portable electronic instrument to the external device will be established through an adapter arranged to bring the relevant control members in the depressed position.
  • This adapter will not be discussed here because it does not directly relate to the subject of the present invention. In the following description, it will suffice to understand that this adapter is in particular arranged to serve as a communication interface with an external processing unit, such as a personal computer.
  • the present invention will be described with reference to a timepiece advantageously in the form of a wristwatch.
  • the invention nonetheless applies identically to any portable electronic instrument whether or not it fulfills a horological function.
  • Figure 1 shows an overall plan view of a wristwatch, generally designated by the reference numeral 1, constituting an example of implementation of the invention. It comprises in particular a housing 2 delimited in this example by a lower portion 3 forming middle and bottom, and an upper part 4 forming a bezel which also carries a glass 5.
  • the bezel 4 is adjusted in a conventional manner on the middle part 3, a seal being interposed between these elements to seal the housing 2.
  • the caseband 3 is traversed in this example by five pushbutton-type control elements designated respectively by the reference numerals 11, 12, 13, 14 and 15. It goes without saying that this example is given for purely illustrative purposes only.
  • the five control members 11 to 15 together form a user interface with which the wearer can interact to select the various functions of the wristwatch 1.
  • control members 11 to 15 are placed here laterally on the middle part 3 at typical locations for a wristwatch, namely substantially at 2, 3, 4, 8 and 10 hours respectively. It goes without saying that the control members 11 to 15 could be arranged in other places. At least one of the control members could thus be placed on the front face of the watch, for example at 6 o'clock.
  • control members 12, 13, 14 and 15 have a similar configuration. More particularly, the two control members 11 and 13 form input / output terminals (designated A and B respectively) for the establishment of a communication with at least one electronic unit housed inside the housing 2 (a such electronic unit is shown schematically in Figure 1 and has the reference numeral 72).
  • the control members 14 and 15 are used to recharge an accumulator of electrical energy of the portable electronic instrument.
  • the controller 12 is used only as a reserve and could be configured as a conventional controller to fulfill only its control role.
  • This control member 12 could also be configured as a conventional crown rod for setting the time of the watch.
  • FIG. 2a shows a partial sectional view of FIG. 1 taken at the level of the control member 11 according to its actuation axis designated X-X.
  • the control members 12, 13, 14 and 15 have a similar configuration.
  • the control member 11 is movably mounted in a mounting hole 3a formed in the middle part 3 so as to have a translation travel along the axis of operation X-X.
  • the control member 11 is operable by pressure, like a conventional pusher, to be brought from a first position said not depressed, as shown in Figure 2a, to a second so-called depressed position, illustrated in Figure 2b.
  • the control member 11 consists mainly of a rod 100, of elongate shape, made of an electrically conductive material, preferably metal.
  • This rod 100 preferably has, but not exclusively, a cylindrical shape and passes through the middle part 3 from one side to the other.
  • This rod 100 forms the connecting element of each input / output terminal.
  • a first end of the rod 100 thus opens into the cavity formed by the middle part 3 while the second end of the rod 100 opens out of the middle part 3 so as to be actuated by a user.
  • Sealing is conventionally provided by one or more O-rings 9 housed in one or more grooves 110 formed on the rod 100.
  • the rod 100 On its second end, the rod 100 is terminated by a head 120 more large diameter.
  • the rod 100 and the head 120 of the control member are made in one piece.
  • Overmoulding or mounting of a plastic head on the rod should be such that the outer end of the rod can be electrically contacted from the outside.
  • the caseband 3 is preferably also made of an electrically conductive material, the rod 100 being consequently insulated from this caseband 3 by an insulating sleeve 30.
  • this caseband 3 is also worn, in operation, at a potential electrical determined, here the mass potential of the portable instrument as schematized in the figures. The utility of this electrical connection will appear more clearly in the following description.
  • the insulating sleeve 30 has a generally tubular shape with a shoulder 31 arranged to bear, from outside the middle part 3, on a corresponding shoulder 3b formed in the mounting hole 3a.
  • This insulating sleeve 30 is thus introduced into the mounting hole 3a from the outside and is preferably secured to the middle part 3, for example by driving, screwing or gluing.
  • This sleeve 30 may advantageously be made of plastic, ceramic material, anodised aluminum, or any other material insofar as at least the contact surface between the sleeve 30 and the surrounding conductive parts is electrically insulated.
  • a sleeve made of a material with high electrical resistivity that is to say weakly conductive
  • the resistivity of this sleeve being however chosen to be sufficiently high (for example a few k ⁇ or M ⁇ ) in order not to disturb the operation of the internal bus.
  • the control member further comprises a retaining element 40 adapted to axially retain the rod 100 of the control member.
  • the retaining element 40 is made integral with the rod 100 and is placed on the inside of the middle part 3 in order to counteract the action of the return means 6 which tends to extract the control member from its housing.
  • the retaining element 40 is advantageously configured as a traditional retaining key which is introduced into a groove 140 formed on the rod 100. This retaining element 40 is also made of an electrically conductive material.
  • FIG. 2a it can be seen that, in the non-depressed position, the retaining element 40 bears on the middle part 3, at the periphery of the mounting orifice 3a.
  • an electrical connection is provided, in an unpressed position, between the rod 100 of the control member and the middle part 3.
  • the rod 100 of the control member is thus brought to the same electrical potential as the middle part 3.
  • this electrical connection is interrupted because of the axial displacement of the retaining element 40 which accompanies the movement of the rod 100.
  • the structure of the control member is such that, in the non-depressed position, the rod 100 of the control member is brought to a determined electrical potential, thus making it impossible to accumulation of electric charges on the same rod.
  • this electrical connection is interrupted, making it possible to transmit electrical signals via the rod 100.
  • this electrical connection to ground, in the not depressed position is not strictly necessary.
  • FIG. 3 shows a basic view of the configuration and operation of the control device envisaged to enable the control member to fulfill, in addition to its traditional control function, an additional function allowing the transmission of electrical signals from and / or to the electronic instrument.
  • the control member is shown diagrammatically in this figure and bears the reference C.
  • This control member C conventionally cooperates with a first electrical contact SW1 to fulfill its function of ordered.
  • a control signal SEL is thus produced in response to the activation of the electrical contact SW1, namely in response to a pressure on the control member C.
  • a second electrical contact SW2, distinct from the first contact SW1 provides the connection with a I / O input / output line connected for example to a processing unit housed inside the portable electronic instrument.
  • This second electrical contact SW2 performs an additional function making it possible to establish an electrical connection between the I / O input / output and the control member C, or more exactly the rod of this control member C.
  • This possibility is schematized in FIG. Figure 3 by the connection of the control member C and the input / output I / O through the electrical contact SW2. This connection is established only when the control member C is brought into the depressed position to close the electrical contact SW2. In non-depressed position, the electrical contact SW2 connects, as shown schematically, the control member C at a predetermined electric potential V REF shown here as an electrical potential forming mass.
  • V REF a predetermined electric potential shown here as an electrical potential forming mass.
  • the peculiarity of the proposed control device lies essentially in the fact that, in the non-depressed position, the electrically conductive part of the control member C, which serves as an electrical connection means with the input / output I / O (namely the rod of the control member), is not left in the floating state but is brought to a specific electrical potential, thus avoiding any accumulation of electrical charges on this part of the control member.
  • the middle part 3 defines an internal cavity in which a conventional electronic module 7 (partially shown in FIG. 2a) is formed, comprising in particular a printed circuit board, or PCB, 70 carrying various electrical and electronic components (not shown in these figures) including a data processing unit (eg microcontroller or microprocessor), storage means (eg EEPROM, FLASH or the like) and other components for implementation of the functions of the wristwatch 1.
  • a data processing unit eg microcontroller or microprocessor
  • storage means eg EEPROM, FLASH or the like
  • Watchmaking components timebase, frequency divider, analog and / or digital display means, etc.
  • the reference 75 indicates an optional element forming spacer disposed on the upper face of the PCB 70 and which supports in particular the display means of the electronic instrument.
  • a source of electrical energy 8 has also been partially represented, in particular to power the aforementioned electronic module 7. It may be a traditional battery or a rechargeable battery (and whose charging can for example be performed via the control members 14, 15, as already mentioned).
  • the first electrical contact SW1 of FIG. 3 is conventionally embodied in the form of an electric contact blade 50 comprising a base integral with the electronic module 7 (this base is here held between the PCB 70 and the spacer 75) and a flexible extension which cooperates with the end of the rod 100, this end being electrically insulated from the contact blade 50 by an insulating sheath 150 which can be made of a material similar to that of the insulating sleeve 30.
  • Flexible extension of the contact blade 50 is arranged to be conventionally brought into contact with the other part of the first electrical contact (not shown in Figures 2a and 2b). In the case in point, it is a metallization 52 formed on the edge of the PCB 70 as illustrated in the partial plan view of FIG. 2c.
  • FIG. 2d shows a plan view similar to that of FIG. 2c, in the depressed position of the control member 11, where the flexible extension of the contact blade 50 can be seen to come into contact with the metallization 52.
  • the function of the second electrical contact SW2 of FIG. 3 is carried out thanks to the retaining element 40 integral with the rod 100 and to a second electric contact blade 60 arranged tangentially to the rod 100 in the vicinity of its end covered by the sheath. 150.
  • This electrical contact blade 60 is also maintained by its base between the PCB 70 and the spacer 75. In this way, in the not depressed position (FIGS. 2a and 2c), the electrical contact blade 60 is in contact with the insulating sheath 150 and, in the depressed position (FIGS. 2b and 2d), the electrical contact blade 60 is in contact with the rod 100.
  • the insulating sheath 150 fulfills two functions, namely the electrical insulation between the rod 100 and the first electrical contact (whatever the position of the control member) as well as the electrical insulation between the rod 100 and the electric contact blade 60 (in the unpressed position only).
  • the electrical contact blade 60 could of course be isolated from the rod 100 by means of an insulating sheath separate from the insulating sheath 150.
  • the insulating sheath 150 is terminated here by a portion of larger diameter. This feature is not necessary but prevents any electrical contact between the blades 50 and 60, the larger diameter portion being interposed between these two blades.
  • FIG. 4 a preferred embodiment of the interface between the input / output terminals accessible from outside the instrument case and the electronics of the instrument.
  • two control members namely the control members 11 and 13
  • Each of these input / output terminals A, B is capable of being coupled to a corresponding input / output terminal of at least one electronic unit (including in particular the units 72, 74) via a transmission line I / O A , respectively I / O B.
  • two separate electronic units have been illustrated by way of example, namely a processor unit 72 (it may be a microcontroller or a microprocessor) and a memory 74 (e.g.
  • each of these electronic units comprises first and second input / output terminals designated respectively by the reference numerals 72 A , 74 A and 72 B , 74 B.
  • each of the electronic units 72, 74 is advantageously coupled through its input / output terminals 72 A , 72 B and 74 A , 74 B to an internal bus comprising two lines designated CLK and DATA.
  • the first and second transmission lines I / O A and I / O B are respectively connected to these two lines of the bus.
  • the lines CLK and DATA of the bus are used respectively for the transmission of a clock signal (or timing) and the serial transmission of data.
  • clock signal or timing
  • serial transmission of data There are various communication protocols using two-line buses as in this case. We will not discuss here the description of these communication protocols. It is sufficient to know that the processor unit 72 can for example act as master and control the operations and the data flow on the bus and that this processor unit 72 can selectively address any other unit coupled to the bus (including the memory 74), for example by sending an addressing frame on the data line DATA.
  • interfacing via a bus is not strictly necessary. It would be perfectly possible, for example, to couple the transmission lines I / O A and I / O B to the input / output terminals of the processor unit 72 only and to interface the processor unit 72 and the memory 74 with the processor. way of a separate bus.
  • the proposed structure is nevertheless advantageous insofar as one can access one or other of the units 72, 74 (or other units coupled to the bus) via the input / output terminals A, B.
  • each transmission gate TG A is interposed on the transmission line between the input terminal. / output A, resp. B, and the corresponding input / output terminal 72 A , 74 A , resp. 72 B , 74 B , of each electronic unit 72, 74.
  • Each transmission gate TG A , TG B has a transmissive or non-transmissive state enabling the corresponding input / output terminal A, B to be respectively coupled to or decoupled the corresponding input / output terminal of each electronic unit 72, 74.
  • the transmission gates are well known components. For example, reference may be made to the specification of the NC7SZ66 component marketed by Fairchild Semiconductor for a detailed description of such a component.
  • a protection element against electrostatic discharges TVS A , TVS B is also interposed on each of the I / O A , I / O B transmission lines between the input terminal. / output A, B and the transmission gate TG A, TG B.
  • these protection elements TVS A , TVS B are represented as a double diode head to tail. It is essentially a passive component, also well known, allowing the establishment of a discharge path when a voltage across the component exceeds a threshold (for example ten Volts).
  • a threshold for example ten Volts.
  • each TVS protection element A , TVS B is connected between the transmission line I / O A , resp. I / O B , and a mass potential.
  • this kind of protection element typically has a parasitic capacitance of high value (of the order of 1 nF).
  • the portion of the transmission line I / O A , I / O B located between the input / output terminal A, B and the transmission gate TG A , TG B typically constitutes a high power consumption part. Due to its arrangement, the transmission gate TG A, TG and B allows to decouple the high consumption portion of the input / output terminals of each electronic unit 72, 74 as the terminals of input / output A, B are not used to communicate with the electronics of the instrument. In this way, the protection element TVS A , TVS B does not disturb, in this state, exchanges or communications between the electronic units coupled to the internal bus.
  • the TVS A protective element, TVS B however still fulfills its primary function is to enable the establishment of a discharge path between the transmission line I / O, I / O B (on the portion between the input / output terminal A, B and the transmission gate TG A , TG B ) and the circuit ground, as soon as electric charges accumulate or are introduced in too many numbers on this line.
  • the protection element TVS A , TVS B thus ensures protection of the input of the associated transmission gate TG A , TG B and downstream components, including the processor unit 72 and the memory 74.
  • protection element TVS A resp. TVS B
  • transmission gate TG A resp. TG B
  • This protection is added to that provided by the mechanical and electrical decoupling function provided by the input / output terminal A, B and its mobile link element, namely the control member 11, resp. 13, in this example.
  • each transmission gate TG A , TG B is selected by means of a control signal OE A , resp. OE B , applied to an entrance to the door.
  • This control signal OE A , OE B is advantageously produced by the processor unit 72 itself.
  • the transmissive state of each door can be activated by the processor unit 72 when the conditions conducive to interfacing with the outside world are present.
  • the transmissive state of transmission gates TG A, TG B will particularly activated when the input / output terminals must be effectively exploited to communicate with the instrument electronics. This is the case when the electronic instrument is placed on its adapter and the connecting elements of the input / output terminals are brought into their coupling position. In the example illustrated, however, this should not be the case during a conventional actuation of the control members, for example when selecting functions of the portable electronic instrument.
  • the activation of transmission gates TG A , TG B can be carried out in various ways.
  • the processor unit 72 also receives five activation signals SEL 1 to SEL 5 originating respectively from the control members 11 to 15 forming the user interface of the instrument.
  • the electrical contacts of the control elements 11 and 13 can be seen schematically for the production of the activation signals SEL 1 and SEL 3 .
  • the activation of transmission doors TG A , TG B could thus be operated following the simultaneous and / or prolonged activation of the five control members 11 to 15 (a situation that would appear essentially when the instrument is placed on its adapter).
  • a function of activating a communication mode could be predefined in the range of functions of the electronic instrument and this function could be called and selected by means of the user interface of the instrument.
  • the transmission doors TG A , TG B will understand that the high-consumption portion of the I / O A and I / O B transmission lines (we can also speak of an extension of the bus) will be connected to the internal bus of the electronic instrument. This situation will only appear when the instrument is in communication mode. However, at this moment, the instrument is placed on its adapter, so the problem of consumption is much less acute. Indeed, the power supply of the electronic instrument can for example be ensured by means of an external supply or charging device arranged in the adapter and connected to the instrument by means of other terminals, by example through the control members 14 and 15.
  • each TVS A , TVS B protection element may nevertheless still be a problem. Indeed, this parasitic capacitance influences not only the consumption but also the response time of the lines in which the information travels.
  • each line CLK, DATA of the internal bus is brought, in the unoccupied state, to a reference voltage, here a high voltage V CC , via a device called “pull -up ".
  • the value of this resistance is chosen according to consumption criteria, bus response time and ability of the interfaced components to "drive” this bus, this value must be high to reduce the consumption on the bus, while being sufficiently low, compared to the capacity present on the bus, to minimize the response time.
  • resistive elements R PA , R PB connected, this time, between the high-consumption portions of the transmission lines I / O A , I / O B and the high voltage V CC .
  • resistive elements R PA , R PB could be replaced by other functionally similar devices such as, for example, current sources.
  • control devices as input / output terminals, although preferable and advantageous, is not necessary.
  • Any other decoupling device comprising an electrically conductive connecting element movably mounted relative to the housing of the portable electronic instrument and allowing electrically access to the electronics housed inside this housing can be used (in the image for example, prior solutions described in JP 11-126115 A and JP 2001-175610).
  • the described structure of the controller can also undergo many modifications without affecting the functions sought for the implementation of the claimed invention.
  • the middle part 3 of the instrument could alternatively be made of a non-conductive material in which case the sleeve 30 is no longer necessary. In this case, it will be preferable to have, in the vicinity of the rod 100, a conductive reference element brought to the determined electrical potential and to provide that the rod 100 is brought into contact with this reference element in the non-depressed position.
  • any other type of control member insofar as it has two distinct positions respectively allowing coupling or decoupling of the input / output terminals.
  • the displacement of the connecting element could also follow a displacement other than translation.
  • the nature of the electronic unit with which it is desired to establish a link through the input / output terminals may be variable. It can be a processor unit as described, a memory unit only or a unit whose operating characteristics would be adjusted (for example a frequency divider circuit, a sensor, etc.).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Telephone Set Structure (AREA)
  • Lock And Its Accessories (AREA)
  • Structure Of Receivers (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Telephone Function (AREA)
  • Calculators And Similar Devices (AREA)
EP03021458A 2003-09-23 2003-09-23 Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument Expired - Lifetime EP1519453B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE60306524T DE60306524T2 (de) 2003-09-23 2003-09-23 Tragbares elektronisches Gerät mit zumindest einer angepassten Eingangs/Ausgangsanschlussklemme zur Kommunikation mit einer elektronischen Einheit in diesem Gerät
AT03021458T ATE332022T1 (de) 2003-09-23 2003-09-23 Tragbares elektronisches gerät mit zumindest einer angepassten eingangs/ausgangsanschlussklemme zur kommunikation mit einer elektronischen einheit in diesem gerät
EP03021458A EP1519453B1 (fr) 2003-09-23 2003-09-23 Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument
TW093128442A TWI366964B (en) 2003-09-23 2004-09-20 Portable electronic instrument including at least one input/output terminal for establishing a communication with an electronic unit arranged within said instrument
SG200405587A SG110180A1 (en) 2003-09-23 2004-09-20 Portable electronic instrument including at least one input/output terminal for establishing a communication with an electronic unit arranged within said instrument
US10/946,882 US7210845B2 (en) 2003-09-23 2004-09-22 Portable electronic instrument including at least one input/output terminal for establishing a communication with an electronic unit arranged within said instrument
CNB2004100824883A CN100527022C (zh) 2003-09-23 2004-09-22 便携式电子仪器
KR1020040076297A KR101208858B1 (ko) 2003-09-23 2004-09-23 휴대형 전기 장치 내에 배열된 전기 유닛과의 통신 구축을 위한 적어도 하나의 입/출력 단자를 포함하는 휴대형 전기 장치
JP2004276759A JP4949614B2 (ja) 2003-09-23 2004-09-24 内部に配置された電子ユニットとの通信を確立するための少なくとも１つの入出力端子を含む携帯電子機器
HK05107529.0A HK1075303A1 (en) 2003-09-23 2005-08-26 Portable electronic instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03021458A EP1519453B1 (fr) 2003-09-23 2003-09-23 Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument

Publications (2)

Publication Number Publication Date
EP1519453A1 EP1519453A1 (fr) 2005-03-30
EP1519453B1 true EP1519453B1 (fr) 2006-06-28

Family

ID=34178481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03021458A Expired - Lifetime EP1519453B1 (fr) 2003-09-23 2003-09-23 Instrument électronique portable comprenant au moins un terminal d'entrée et/ou sortie adapté pour établir une communication avec une unité électronique logée à l'intérieur dudit instrument

Country Status (10)

Country Link
US (1) US7210845B2 (xx)
EP (1) EP1519453B1 (xx)
JP (1) JP4949614B2 (xx)
KR (1) KR101208858B1 (xx)
CN (1) CN100527022C (xx)
AT (1) ATE332022T1 (xx)
DE (1) DE60306524T2 (xx)
HK (1) HK1075303A1 (xx)
SG (1) SG110180A1 (xx)
TW (1) TWI366964B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4820720B2 (ja) * 2006-09-07 2011-11-24 セイコーインスツル株式会社 携帯型電子時計
US8289722B2 (en) * 2009-04-02 2012-10-16 Sony Computer Entertainment Inc. Electronic apparatus
US8439559B2 (en) * 2010-03-23 2013-05-14 Bright Aggregation Technology Limited Timepiece with multi-functional actuator
JP5218630B2 (ja) * 2010-12-28 2013-06-26 カシオ計算機株式会社 電波受信機器、および、電波受信機器の製造方法
EP2607972B1 (fr) * 2011-12-22 2016-04-27 The Swatch Group Research and Development Ltd. Poussoir étanche pour montre
JP5839294B2 (ja) * 2013-08-05 2016-01-06 カシオ計算機株式会社 スイッチ装置および時計
USD744867S1 (en) 2014-05-21 2015-12-08 Oakley, Inc. Watch
USD758209S1 (en) 2015-03-13 2016-06-07 Oakley, Inc. Watch component
EP3185079B1 (fr) 2015-12-21 2019-08-21 ETA SA Manufacture Horlogère Suisse Dispositif de bouton-poussoir pour une montre-bracelet électronique ou électromécanique
US10637235B2 (en) * 2016-05-03 2020-04-28 Novatek Microelectronics Corp. Output circuit with ESD protection
USD830217S1 (en) * 2016-07-18 2018-10-09 Samsung Electronics Co., Ltd. Portable electronic device
USD890750S1 (en) * 2017-06-03 2020-07-21 Suunto Oy Housing of a wrist-top computer
USD868779S1 (en) * 2017-06-03 2019-12-03 Suunto Oy Housing of a wrist-top computer
CN114220688B (zh) * 2021-11-30 2024-04-09 华为技术有限公司 按键结构和可穿戴设备

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US4430532A (en) * 1981-04-14 1984-02-07 Citizen Watch Co., Ltd. Electronic watch multi-curcuit pushbutton switch
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CH675811B5 (xx) * 1989-04-12 1991-05-15 Ebauchesfabrik Eta Ag
JP2572145Y2 (ja) * 1990-03-30 1998-05-20 カシオ計算機株式会社 遠隔操作用スイッチ取付構造
JPH0488116A (ja) * 1990-08-01 1992-03-23 Shinagawa Refract Co Ltd Ｒｈ脱ガス装置環流管の補修方法
KR100219080B1 (ko) * 1996-08-09 1999-09-01 김영환 반도체 장치의 패키지용 리드프레임 및 반도체 장치
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Also Published As

Publication number Publication date
KR101208858B1 (ko) 2012-12-05
SG110180A1 (en) 2005-04-28
CN1601409A (zh) 2005-03-30
CN100527022C (zh) 2009-08-12
TWI366964B (en) 2012-06-21
JP2005121646A (ja) 2005-05-12
US20050073806A1 (en) 2005-04-07
US7210845B2 (en) 2007-05-01
EP1519453A1 (fr) 2005-03-30
TW200532401A (en) 2005-10-01
ATE332022T1 (de) 2006-07-15
DE60306524T2 (de) 2007-02-08
HK1075303A1 (en) 2005-12-09
DE60306524D1 (de) 2006-08-10
JP4949614B2 (ja) 2012-06-13
KR20050030144A (ko) 2005-03-29

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