27results about "Electromechanical unknown time interval measurement" patented technology

The invention provides a dynamic high-precision PTP (Precision Time Protocol) time synchronization system realized based on an FPGA (Field Programmable Gate Array), which comprises a master device and a slave device, and the master device and the slave device are connected through a PHY (Physical Layer) to carry out PTP time synchronization; the master device and the slave device have the same structure and comprise an FPGA and a voltage-controlled crystal oscillator; in the master device, the FPGA obtains the frequency difference and the phase difference between the master device and an externally input reference source, further adjusts the frequency of a voltage-controlled crystal oscillator, corrects a local time mark, and sends a PTP message to the slave device; and in the slave equipment, the FPGA obtains the frequency difference and the phase difference between the slave equipment and the master equipment based on the received PTP message, so that the frequency of the voltage-controlled crystal oscillator is adjusted, and the local time scale is corrected. According to the invention, low-cost and high-precision PTP time synchronization is realized.

The present application provides a timer, including a base, a driving shaft, and an indicator arm. The driving shaft is rotatably mounted on the base and selectably rotates relative to the base. The indicator arm includes a second support and a plurality of hour blocks. The second support is rotatably connected to the driving shaft. The hour blocks each include a second block body and a second gear. The second block body is rotatably connected to the second support. The second gear is fixedly connected to the second block body. Second protrusion is correspondingly arranged on a rotation path of the second gear around the driving shaft. The second gear has second tooth grooves. The second protrusion selectably extends into the second tooth grooves to drive the second gear to rotate relative to the second support so as to drive the hour blocks to rotate relative to the second support.

The present disclosure provides a racetrack timing method, which is used in a vehicle and includes: a vehicle-mounted positioner obtaining vehicle position information regarding a current position of the vehicle in real time, and sending the vehicle position information to a vehicle-mounted controller, the vehicle-mounted controller determining whether the vehicle position information matches a preset racetrack timing position at a preset racetrack; and the vehicle-mounted controller performing a timing operation once the vehicle position information matches the preset racetrack timing position. The present disclosure further provides a racetrack timing system, an apparatus, a storage medium, and a vehicle.

The present invention relates to a tachymeter device for indicating an average speed of a moving object, said tachymeter device being attachable to a housing of a wristwatch (1), and comprising a timer and an activator (2) for manually starting the timer, when the object passes a starting mark and stopping the timer, when the object passes a defined distance from the starting mark, a scale (4) for indicating an average speed of the moving object and a hand (5) for indicating a measured average speed on the scale (4), wherein the measured average speed is derived from said defined distance and a time to cover said defined distance measured by the timer, and wherein the hand (5) is configured to make one revolution around the dial of the wristwatch within less than sixty seconds, advantageously within exactly thirty seconds or within exactly ten seconds.

Disclosed herein are methods, devices, and systems for facilitating umpires officiating a baseball game. According to one embodiment, a mobile device is disclosed for facilitating an umpire of a baseball game. The mobile device includes a processor, a memory electrically coupled with the processor, a user interface electrically coupled with the processor, a haptic feedback device electrically coupled with the processor, and a wireless transceiver electrically coupled with the processor. The processor is configured for (1) receiving a start pitch clock selection via the user interface; (2) upon receiving the start pitch clock selection via the user interface, transmitting a start pitch clock device message via the wireless transceiver to an access point; (3) receiving a start pitch clock access point acknowledgment message from the access point; and (4) upon receiving the start pitch clock access point acknowledgment message, momentarily activating the haptic feedback device.

The present application discloses a system and a method for calculating a droplet delay time in a liquid flow of a sorting device. The system includes: a first laser source configured to emit a first laser beam to a liquid flow of a sorting device, the first laser beam and the liquid flow intersecting at a first laser interrogation point; a second laser source configured to emit a second laser beam to the liquid flow, the second laser beam and the liquid flow intersecting at a second laser interrogation point; and a droplet delay time calculation unit configured to calculate, based on of the time when the particle in the liquid flow passes through the first and second laser interrogation point and the time when the particle passes through the second laser interrogation point, a first delay time, and calculate, a droplet delay time.

The present application discloses a system and method for calculating a droplet delay time in a liquid flow of a sorting device and a sorting device, the system including a first laser source configured to emit a first laser beam into the liquid flow of the sorting device, where the first laser beam and the liquid flow intersect at a first laser reference point located in a nozzle system of the sorting device, a second laser source configured to emit a second laser beam into the liquid flow, where the second laser beam and the liquid flow intersect at a second laser reference point located outside the nozzle system, and a droplet delay time calculation unit configured to calculate the droplet delay time.

A tachymeter device for indicating the average speed of a moving object and a watch equipped with such a tachymeter device comprise a timer and an activator for manually starting the timer when the object passes a start mark and stopping the timer when the object passes a predefined distance from the start mark. They comprise a housing, a scale for indicating the average speed of the moving object and a pointer for indicating on the scale a measured average speed, the measured average speed being derived from said predefined distance and the time covering said predefined distance measured by the timer. The scale is designed as a scale part removably arranged on the housing. The scale part is selected from a set of scale parts including a plurality of different scale parts each having a scale with a speed indication for indicating a speed range corresponding to a different predefined distance.

Apparatuses and methods for controlling a vehicle can include at least two buttons disposed on a steering wheel, a processor electrically connected to the at least two buttons, and a memory storing instructions executed by the processor, wherein the processor can map and set vehicle functions to the at least two buttons, detect a button manipulated among the at least two buttons, and execute a vehicle function mapped to the manipulated button based on the vehicle function mapped to the manipulated button and a current vehicle state.

The invention provides an electronic timepiece capable of moving a minute hand functioning as a timekeeping minute hand and a timekeeping hour hand to a measurement start position in a short time when switching to a timekeeping mode. An electronic timepiece includes: a first operation unit that performs a mode switching operation for switching between a time display mode and a timing mode; a first pointer that displays the hour of the time in a 12-hour system in the time display mode and displays the hour of the measurement time in the timing mode; and a display control unit that, on the basis of a mode switching operation for switching to the timing mode, quickly moves the first pointer to a measurement start position in the timing mode, the display control unit differentially manages each of the pointing positions of 0 o'clock and 12 o'clock, and, on the basis of the display timing of the first pointer at the time of the switching operation when switching to the timing mode, controls the first pointer to move forward to the measurement start position in the timing mode. From the two indication positions, the indication position at which the movement time of the first pointer is short is set as a measurement start position, and the first pointer is moved to the set measurement start position.

The invention relates to a one-piece flexible blade device (2, 3) made of silicon, for example a pivot with crossed blades, and to a method for manufacturing the device (1). The method comprises the following steps: -forming (21) a one-piece silicon device blank (1) from an SOI type wafer, the device (1) comprising two flexible blades (2, 3) each formed in a different layer of the SOI wafer, the blades (2, 3) being arranged in two substantially different parallel planes, the blades (2, 3) being separated by a gap (7), -growing a first layer of silicon oxide on the surface of at least one of the blades (2, 3) bordering the gap, the first layer of silicon oxide being formed from a first silicon sublayer of the blade(s) (2, 3), -removing the first layer of silicon oxide to enlarge the gap (7) between the two blades (2, 3).

The present invention discloses a control system and method based on a PCIE card. The method comprises: providing a shielding cover unit, comprising a shielding cover and a high-stable crystal, a temperature sensor, and a fan disposed therein; the temperature sensor collecting temperature data of the high-stable crystal; providing an FPGA, which is plugged into a computer host via a PCIE interface; connecting the FPGA to the fan, the high-stable crystal, and the temperature sensor, respectively; collecting temperature data from the temperature sensor and transmitting the temperature data to the computer host; and receiving instructions from the computer host to control the input of the high-stable crystal and the speed of the fan; and providing a frequency meter, which collects frequency data of the high-stable crystal and is plugged into the computer host via a GPIB interface card on the computer host to transmit the frequency data of the high-stable crystal to the computer host. By understanding the relationship between the input control of the high-stable crystal and the optimal frequency output, the high-stable crystal of the PCIE card can be more effectively controlled, thereby improving timing accuracy.

The invention relates to an analog display watch (10) comprising an electronic watch movement including a first and a second electric motor (13, 14) kinematically connected respectively to an hour hand (15) and a minute hand (16), said electric motors being powered by an electric accumulator (12), said watch movement also comprising an integrated circuit (17) connected to said motors and to a control member (18), the watch (10) being characterized in that the integrated circuit (17) is configured so as to drive, when the control member (18) is activated by a user, the first and second electric motors (13, 14) to drive the hour (15) and minute (16) hands in rotation at an angular displacement rate of six degrees per second, and in such a way that they are arranged so as to be collinear and superimposed on each other.

The invention discloses a clock mechanism on-line time measuring instrument, which comprises an experiment table, a clock mechanism, a driving lever and a digital electric second meter, and is characterized in that a clamping mechanism for clamping the clock mechanism and a supporting mechanism for mounting the driving lever and the digital electric second meter are fixedly connected to two sides of the table top of the experiment table respectively; the clamping mechanism is used for clamping clock mechanisms of different sizes, the steering frame is arranged, the steering frame and release firing assemblies on the clock mechanisms rotate at the same time, and the inclined block ascends and descends to be matched with the elastic force of a spring rod connected with the sliding block, so that the inclined pull rod drives the supporting rod to swing; and under the traction action of the traction plate, the driving lever is pulled away from the clock mechanism or moves close to the clock mechanism, so that the driving lever automatically enters and exits from the clock mechanism to release the insertion hole in the percussion assembly, and the existing problems are solved.

The present application discloses a system and a method for calculating a droplet delay time in a liquid flow of a sorting device, and a sorting device. The system includes: a first laser source configured to emit a first laser beam to a liquid flow of a sorting device, the first laser beam and the liquid flow intersecting at a first laser interrogation point located in a nozzle system of the sorting device; a second laser source configured to emit a second laser beam to the liquid flow, the second laser beam and the liquid flow intersecting at a second laser interrogation point located outside the nozzle system; a first detector and a second detector which are respectively used for detecting emission, in response to the first laser beam and the second laser beam, of a particle in the liquid flow; and a droplet delay time calculation unit configured to calculate, on the basis of the time when the particle in the liquid flow passes through the first laser interrogation point and the time when the particle passes through the second laser interrogation point, a first delay time for the liquid flow flowing from the first laser interrogation point to the second laser interrogation point, and calculate, on the basis of the first delay time, a droplet delay time.

Disclosed herein are methods, devices, and systems for facilitating umpires officiating a baseball game. According to one embodiment, a mobile device is disclosed for facilitating an umpire of a baseball game. The mobile device includes a processor, a memory electrically coupled with the processor, a user interface electrically coupled with the processor, a haptic feedback device electrically coupled with the processor, and a wireless transceiver electrically coupled with the processor. The processor is configured for (1) receiving a start pitch clock selection via the user interface; (2) upon receiving the start pitch clock selection via the user interface, transmitting a start pitch clock device message via the wireless transceiver to an access point; (3) receiving a start pitch clock access point acknowledgment message from the access point; and (4) upon receiving the start pitch clock access point acknowledgment message, momentarily activating the haptic feedback device.

The present application provides a racetrack timing method, which is used in a vehicle and includes: a vehicle-mounted positioner obtaining vehicle position information regarding a current position of the vehicle in real time, and sending the vehicle position information to a vehicle-mounted controller, the vehicle-mounted controller determining whether the vehicle position information matches a preset racetrack timing position at a preset racetrack; and the vehicle-mounted controller performing a timing operation once the vehicle position information matches the preset racetrack timing position. The present application further provides a racetrack timing system, an apparatus, a storage medium, and a vehicle.

The present application provides a timer, comprising a base, a driving shaft, and an indicator arm, wherein the driving shaft is rotatably mounted on the base and selectively rotates relative to the base; the indicator arm comprises a second holder and a plurality of clock blocks; the second holder is rotatably connected to the driving shaft; each clock block comprises a second block body and a second gear; the second block body is rotatably connected to the second holder; the second gear is fixedly connected to the second block body; the second gear selectively rotates around the driving shaft; at least one second protrusion is correspondingly provided on a rotation path of the second gear around the driving shaft; the second gear is provided with second tooth slots; the second protrusion selectively extends into the second tooth slots to drive the second gear to rotate relative to the second holder, thereby driving the clock blocks to rotate relative to the second holder.

A tachymeter device for indicating an average speed of a moving object and a wristwatch comprising such a tachymeter device comprise a timer and an activator for manually starting the timer, when the object passes a starting mark, and stopping the timer, when the object passes a defined distance from the starting mark. They further comprise a housing, a scale for indicating an average speed of the moving object and a pointer for indicating a measured average speed on the scale, wherein the measured average speed is derived from said defined distance and a time to cover said defined distance measured by the timer. The scale is designed as a scale part that is arranged detachably at the housing. The scale part is selected from a set of scales parts comprising a plurality of differing scale parts each having a scale with speed indication for indicating speed ranges corresponding to differing pre-defined distances.

The present application provides a racetrack timing method, which is used in a vehicle and includes: a vehicle-mounted positioner obtaining vehicle position information regarding a current position of the vehicle in real time, and sending the vehicle position information to a vehicle-mounted controller, the vehicle-mounted controller determining whether the vehicle position information matches a preset racetrack timing position at a preset racetrack; and the vehicle-mounted controller performing a timing operation once the vehicle position information matches the preset racetrack timing position. The present application further provides a racetrack timing system, an apparatus, a storage medium, and a vehicle.

To display a measurement result of time lapsed, in an intuitively easy-to-understand manner.SOLUTION: An electronic timepiece includes: a plurality of indicators; a number plate having dial characters each corresponding to a just hour; and a control part capable of switching between a time display mode configured to display a current time by the plurality of indicators and a measured time display mode configured to display by the plurality of indicators a measurement result of time lapsed after making a prescribed start operation. The control part controls the plurality of indicators such that each of the plurality of indicators stops at a location indicating one of the dial characters when the measurement result is displayed at the measured time display mode.SELECTED DRAWING: Figure 4

A tachymeter device for indicating an average speed of a moving object and a wristwatch comprising such a tachymeter device comprise a timer and an activator for manually starting the timer, when the object passes a starting mark, and stopping the timer, when the object passes a defined distance from the starting mark. They further comprise a housing, a scale for indicating an average speed of the moving object and a pointer for indicating a measured average speed on the scale, wherein the measured average speed is derived from said defined distance and a time to cover said defined distance measured by the timer. The scale is designed as a scale part that is arranged detachably at the housing. The scale part is selected from a set of scales parts comprising a plurality of differing scale parts each having a scale with speed indication for indicating speed ranges corresponding to differing pre-defined distances.

The present invention relates to the field of popular science exhibit technology, specifically a timing method based on a time display device. The invention comprises an inclined timing track and a ball delivery mechanism that continuously delivers a timing ball to the timing track at equal time intervals. The timing tracks are arranged in a sequence of at least two, arranged from top to bottom. The number of timing balls stored in each track represents the number of time units in the current timing track. A ball guide assembly is provided at the goal end of the timing track for distributing the timing balls. With its rational structure and precise and reliable operation, the present invention further stimulates public interest in science, ultimately achieving greater scientific enlightenment.

To provide an electronic clock which can move hour and minute hands functioning as chronograph hour hand and chronograph minute hand, to a measurement start position in short time, when being switched to a chronograph mode.SOLUTION: An electronic clock comprises: a first operation part for performing a mode switching operation of switching between a time display mode and a chronograph mode; a first pointer for displaying hours of time using a 12-hour system in the time display mode, and for displaying hours of measurement time in the chronograph mode; and a display control part for moving the first pointer by rapid feed to a measurement start position in the chronograph mode, on the basis of the mode switching operation for switching to the chronograph mode. The display control part distinguishes and manages each indication position of 0 o'clock and 12 o'clock, and at switching time to the chronograph mode, an indication position with shorter moving time of the first pointer from two indication positions is set to the measurement start position, on the basis of display time of the first pointer at the switching operation time, and then, the first pointer is moved to the set measurement start position.SELECTED DRAWING: Figure 4

An electronic timepiece includes a first operation section configured to perform a mode switching operation for switching between a time display mode and a chronograph mode, a first indicating hand configured to display an hour of a time in a 12-hours system in the time display mode and display an hour of a measurement time in the chronograph mode, and a display control section configured to move the first indicating hand to a measurement start position in the chronograph mode by fast forwarding based on the mode switching operation for switching to the chronograph mode, in which the display control section is configured to distinguish and manage each of indicating position of 0 o'clock and 12 o'clock and set, when switching to the chronograph mode, an indicating position having a shorter movement time of the first indicating hand among two indicating positions to the measurement start position, based on a display time of the first indicating hand at a time of the switching operation, and move the first indicating hand to the set measurement start position.