Provided is an ambient physical variable measuring device (5) including an element configured to mechanically deform under the effect of a variation of a physical variable to rotate a physical variable measured value indication train including a physical variable maximum value display wheel (21). An indexing mechanism (40) to index the position of a physical variable maximum value display train (24) at each advance, the indexing mechanism (40) comprising a blocking organ (41) cooperating with an indexing wheel assembly (43). The the indexing wheel assembly (43) is kinematically connected to the physical variable maximum value display wheel (21) by a gear train T1, T2 and in that the gear ratio of the gear train T1, T2 between the physical variable maximum value display wheel (21) and the indexing wheel assembly (43) is a multiplication ratio.

Provided is a timepiece mechanism (1, 1′) indicating information relating to the ambient pressure. The timepiece includes an ambient pressure measuring device that deforms mechanically due to ambient pressure variation. The device includes a first wheel assembly (31) kinematically linked to the ambient pressure measuring device that rotates under the effect of an ambient pressure variation and a measured pressure indicator mechanism (40) including a measured pressure indicator organ. The device also includes a second wheel assembly (33) configured to be in uncouplable connection with the first wheel assembly (31) so thesecond wheel assembly (33) is rotated by the first wheel assembly (31) under the effect of the pressure variation. Also included is a zero-reset mechanism (100) to position the measured pressure indicator organ (44) in a reference position by uncoupling the second wheel assembly (33) from the first wheel assembly (31).

A method for controlling a smart home using a smart watch is disclosed. The method includes: detecting whether the smart watch has entered a sensing range of the smart home; detecting, after the smart watch has entered the sensing range of the smart home, whether the smart watch has established a wireless connection with the smart home; turning on, after the smart watch has established the wireless connection with the smart home, a smart-home-control function of the smart watch; and while controlling the smart home using the smart-home-control function, recognizing hand gestures of the user using the smart watch and controlling the smart home through the wireless connection to switch current working state of the smart home based on the recognized hand gestures of the user.

A method for controlling a smart home using a smart watch is disclosed. The method includes: detecting whether the smart watch has entered a sensing range of the smart home; detecting, after the smart watch has entered the sensing range of the smart home, whether the smart watch has established a wireless connection with the smart home; turning on, after the smart watch has established the wireless connection with the smart home, a smart-home-control function of the smart watch; and while controlling the smart home using the smart-home-control function, recognizing hand gestures of the user using the smart watch and controlling the smart home through the wireless connection to switch current working state of the smart home based on the recognized hand gestures of the user.

Provided is an electronic device. The electronic device includes: a main body mounted with an electronic unit including a controller, including a bezel disposed at the outer side thereof, and having a locking groove formed in the bezel; and a band part mounted with an additional device for exchanging an electric signal with the electronic unit and an electronic part providing information related to the additional device for the electronic unit, and including a coupling part detachably coupled to the locking groove. Here, the controller switches an operation mode of the main body according to the information related to the additional device provided by the electronic part when the main body and the band part are coupled to each other. Thus, when the band part mounted with the additional device is connected to the main body, the operation mode of the main body is automatically switched to a mode corresponding to the additional device, thereby providing convenience of use.

Provided is an electronic device. The electronic device includes: a main body mounted with an electronic unit including a controller, including a bezel disposed at the outer side thereof, and having a locking groove formed in the bezel; and a band part mounted with an additional device for exchanging an electric signal with the electronic unit and an electronic part providing information related to the additional device for the electronic unit, and including a coupling part detachably coupled to the locking groove. Here, the controller switches an operation mode of the main body according to the information related to the additional device provided by the electronic part when the main body and the band part are coupled to each other. Thus, when the band part mounted with the additional device is connected to the main body, the operation mode of the main body is automatically switched to a mode corresponding to the additional device, thereby providing convenience of use.

An electronic device including: a positioning module that performs positioning by receiving radio waves from navigation satellites; a movement distance detection sensor that detects movement distance; and a processor that activates the positioning module and, if positioning with the positioning module has not succeeded after a first prescribed period of time has elapsed, suspends the positioning module, wherein if the processor detects that the movement distance detected by the movement distance detection sensor starting from when the positioning module was suspended is greater than or equal to a prescribed distance, the processor reactivates the positioning module.

An electronic device including: a positioning module that performs positioning by receiving radio waves from navigation satellites; a movement distance detection sensor that detects movement distance; and a processor that activates the positioning module and, if positioning with the positioning module has not succeeded after a first prescribed period of time has elapsed, suspends the positioning module, wherein if the processor detects that the movement distance detected by the movement distance detection sensor starting from when the positioning module was suspended is greater than or equal to a prescribed distance, the processor reactivates the positioning module.

An electronic device, such as a smart watch, incorporating a fluid-based pressure-sensing device is disclosed. The fluid-based pressure-sensing device includes an enclosure, a pressure sensor, a diaphragm and a sensing medium. The enclosure includes an opening and the pressure sensor is disposed inside the enclosure. The diaphragm hermetically seals the opening, and the sensing medium transfers a pressure exerted on the diaphragm to the pressure sensor. The sensing medium can be liquid oil filling a space of the enclosure, and the diaphragm is a polymer material. The pressure-sensing device may sense an environmental pressure, which may be used by the electronic device to modify its operations, change information that is displayed, and so on.

A smart watch and a method for measuring a pulse information are provided in the present disclosure. The smart watch includes a dial, a watchband, a blood vessel information collecting apparatus, and a processing apparatus. The watchband is connected with the dial. The blood vessel information collecting apparatus is disposed in the watchband and is configured to collect a blood vessel information from an inner side of a wrist of a user. The processing apparatus is connected with the blood vessel information collecting apparatus and is configured to receive and process the blood vessel information to obtain the pulse information of the user.