An electronic device that can be worn on a limb of a user can include a processing device and one or more position sensing devices operatively connected to the processing device. The processing device can be adapted to determine which limb of the user is wearing the electronic device based on one or more signals received from at least one position sensing device.

An energy conserving time display device and a method thereof. The present invention discloses an energy saving time display device and a method for energy conservation. The energy saving time display device includes an hour hand and a minute hand for indicating the time, at least one micro motor for driving the hour hand and the minute hand to characterize the time, a scheduler coupled to the micro motor to schedule the movement of the hour hand and the minute hand, a time observance unit configured to keep track of the current time and an actuator coupled to the micro motor to actuate the micro motor from a first state to a second state. The method includes the step of scheduling a schedule of the first state and the second state of the micro motor by the scheduler and executing the schedule set by the scheduler. The micro motor is configured to function for a user specified period of time.

An energy conserving time display device and a method thereof. The present invention discloses an energy saving time display device and a method for energy conservation. The energy saving time display device includes an hour hand and a minute hand for indicating the time, at least one micro motor for driving the hour hand and the minute hand to characterize the time, a scheduler coupled to the micro motor to schedule the movement of the hour hand and the minute hand, a time observance unit configured to keep track of the current time and an actuator coupled to the micro motor to actuate the micro motor from a first state to a second state. The method includes the step of scheduling a schedule of the first state and the second state of the micro motor by the scheduler and executing the schedule set by the scheduler. The micro motor is configured to function for a user specified period of time.

A timepiece allowing accurate positioning of a display plate and a plate member is to be provided. A timepiece 10 includes: a main plate 2 having one or more positioning portions 21 and 22; a plate member 3 having one or more first positioning receiving portions 33 to be locked to the positioning portions 21 and arranged so as to overlap the main plate 2; and a display plate 5 having one or more second positioning receiving portions 55 to be locked to the positioning portions 22 and arranged so as to overlap the plate member 3.

A device for controlling at least one electronic function of a portable object, in particular a timepiece, includes a control stem capable of moving axially between at least a first and a second stable position, or between at least a stable position and an unstable position. The control device also includes an actuation element made from an electrically insulating material rigidly connected to the control stem, as well as at least one flexible electrical switching element provided to be mechanically actuated by the actuation element when the control stem is moved axially, said at least one flexible electrical switching element being capable of moving between a closing position in which said at least one flexible electrical switching element closes an electrical circuit of the control device, and an opening position in which said at least one flexible electrical switching element opens said electrical circuit.

The present invention provides a quartz clock-type timer movement, which has the characteristics of convenient operation, low noise and accurate timing. According to the technical scheme, the quartz clock-type timer movement is characterized by comprising a shell, wherein a quartz movement body, a sound component and a central output wheel assembly driven by the quartz movement body are disposed in the shell, a PCB board and a traveling wheel driven by the central output wheel assembly are disposed at the top of the shell, and a battery compartment is disposed at the bottom of the shell; and a leaf spring and a switch pillar are disposed on the PCB, and a toggle rod forcing the leaf spring to bend so as to touch the switch pillar is disposed on the traveling wheel.

A time-limited power generation device (100) for a timepiece (1000), including a manoeuvring member (1) manoeuvrable by a user against an elastic return (2) arranged to indirectly drive an electric generator (6) for generating an electric current for a limited time period, and including a toothed member (3) movable with a degree of freedom relative to said manoeuvring member (1) and delimiting therewith a separate chamber (20) for receiving each elastic return (2), held compressed in its chamber (20) between a pre-stressed position of rest and a maximum compression position, between a first support banking (11) that includes the manoeuvring member (1) and a second support banking (32) that includes the toothed member (3), arranged to be driven by the elastic return (2) for driving the electric generator (6) directly or indirectly through a geartrain.

An electronic timepiece with a first and second electric motors for driving time indicating hands with a set of gear wheels, and a microcontroller connected to the motion sensor and controlling each motor. A motion sensor includes a movable element arranged to move freely inside a structure connected to the timepiece movement. As a function of the position and movement of the moving element inside the housing, a first and second electric signals, different from each other, are generated by the motion sensor for the microcontroller in a defined time period to determine whether the timepiece is in use. If only one electric signal is detected by the microcontroller in the defined time period, the timepiece changes into a sleep mode, by stopping at least the first electric motor intended to drive the seconds hand.

An electronic timepiece with a first and second electric motors for driving time indicating hands with a set of gear wheels, and a microcontroller connected to the motion sensor and controlling each motor. A motion sensor includes a movable element arranged to move freely inside a structure connected to the timepiece movement. As a function of the position and movement of the moving element inside the housing, a first and second electric signals, different from each other, are generated by the motion sensor for the microcontroller in a defined time period to determine whether the timepiece is in use. If only one electric signal is detected by the microcontroller in the defined time period, the timepiece changes into a sleep mode, by stopping at least the first electric motor intended to drive the seconds hand.

A system and method to collect gesture input through wrist tendon and muscle sensing are disclosed. A particular embodiment includes: a sensor array integrated into a wristband, the sensor array including a plurality of pressure sensors positioned for contact with particular locations on a wrist of a user wearing the wristband; and a controller unit, the controller unit including a communication interface, the controller unit being configured to: receive a plurality of sensor signals generated by the sensor array, the plurality of sensor signals corresponding to movement detected at particular locations on the wrist of the user; convert the plurality of sensor signals to a digital representation; generate a composite data packet by combining the plurality of converted sensor signals into a composite digital value; and provide the composite digital value to a processing unit of a wearable device for use in control of a user interface in the wearable device.