7624 results about "Buzzer" patented technology

The virtual intelligence shoe with a podiatric analysis system provided with a portable pair of shoe-like body types thereof, into two of which a miniature electronic module and an enclosed sensor mat are permanently embedded in the shoe-like with a mechanical air package enclosing the electronic module to serve as a shock absorption. A miniature electronic module comprises a transmitting circuit with pressure resistance, shoe temperature and warning buzzer for full memory capacity, which receives the variable pressure and temperature voltage signals, convert them into resistance (ohm) and Celsius, respectively. The electrical signals can be emitted in an infrared light signal. An enclosed sensor mat constitutes a thin, flexible, planar, resilient, and dielectric material that arrays seventy-four positions at strategic geometrical pattern to produce the precision of collecting data exerted by a foot or feet continuously and instantaneously in static and dynamic event during the full weight bearing in various activities. The conjunction of a pair of shoe-like body types, a digital foot scanner, a portable infrared light-receiving unit and a central integrator (servers) form a podiatric analysis system for enabling accurate information. An obtained information of each individual can be stored and analyzed for diagnostic means with respect to the foot or feet maladies. The virtual intelligence shoe with a podiatric analysis system is an unconventional, which can ultimately be used by anyone and capable to produce consistent foot or feet information to implement the changes in the foot or feet biomechanics by altering the shoes, orthoses or other modes. In a preferred form, a pair of shoe-like body types is virtually applied to any type of foot or feet maladies and worn daily as if they were conventional shoes under various terrain conditions.

A trailer hitch positioning system that provides a visual and an audible indication to a vehicle driver of the position of the trailer ball with respect to the tongue of the trailer. The trailer hitch positioning system includes a pinpoint light source assembly, a light beam sensing array assembly, and a passenger compartment display unit wherein a pinpoint beam from the pinpoint light source assembly strikes and activates light beam sensors within the light beam sensing array assembly, the activations of the light beam sensors being detected by a digital controller within the display unit which then provides a corresponding positional information output to the vehicle driver through an LED display and an audible alerting buzzer.

The invention concerns transmitters and a portable receiver-buzzer with programmable triggering, hand-, voice-/sound- and pulse-operated, for remotely warning one or several persons. The inventive device consists of a receiver-buzzer case (16), a presence-detecting (23), telephone jack (30), entrance door (36), central transmitter housing (13) transmitting a coded signal to the reciever (20) triggering the motor-buzzer (21) and light-emitting diode (19). In the central transmitter housing (13) there are a clock (1), a voice/sound sensor (4), an alarm push-button (2), a presence detector push-button (14), a LED sector (8), two battery-controlled LED's (6 and 7), a switch button (5) for clock (1) and voice/sound sensor (4), an acknowledgement button (9), an alarm LED (2), a housing (11) for charging the receiver (20) battery, a potentiometer (10). The inventive device consists of a receiver-buzzer (16) wherein are a battery (22), a watch (18), three LED's (17), a receiver (20) receiving the coded signals from the transmitter triggering the buzzer (21). The device, by virtue of its functions, is designed for remotely warning in case of need, emergency or danger, any person equipped with a portable receiver-buzzer.

A radio communication apparatus has a plurality of communication functions such as an incoming call sound, an incoming call ringing pattern, an incoming call vibration, a received voice volume, a microphone sensibility, a noise canceling, a key confirming sound and a message recording, and a plurality of operation conditions of the communication functions are stored in a operation condition storing unit for each of a plurality of operation modes suitable for various environments. When a user selects a particular operation mode suitable for user's environment by pushing a mode selecting button, particular operation conditions of the communication functions corresponding to the particular operation mode are read out, and communication functions of a speaker, a vibrator, a buzzer, a noise canceler, a microphone and a message recorder are simultaneously set to the particular operation conditions. Therefore, when an incoming call and a caller's voice are received, the incoming call is rung at a pattern and a sound volume suitable for the user's environment, and the caller's voice is output at a sound volume suitable for the user's environment.

A collision warning system (10) discriminates between objects which pose a threat of collision from those which do not by measuring the relative sightline rate of the object, this being a measure of the rate of change of angular position of the object if the sightline rate is above a threshold value, there is little risk of collision. To measure the sightline rate, a radar source (20) emits microwave frequency radiation which is received by two detectors (22 and 24) after reflection from a target. Signals from the detectors are processed by processing means (26). The processing means determines if the sightline rate of an object is below a certain threshold. If it is, and the relative velocities of the object and the system are such that a collision is likely, a warning buzzer (28) sounds.

An electric vehicle includes a power receiving connector that is connected to a battery via a relay, and an electric charger includes a power supply connector that is connected to the power receiving connector. When a high voltage is applied to the power receiving connector due to a weld failure of the relay, a warning lamp flashes to notify an operator of the risk. Then the connection state is detected between the connectors. When the connectors are not connected to each other, a warning buzzer issues a warning sound. When the connectors are connected to each other, the warning buzzer is turned off. The power receiving connector is covered by the power supply connector in this manner, the operator is unlikely come in contact with the power receiving connector, and thus the output of a warning sound from the warning buzzer is stopped.

The invention discloses a piece of mobile wrist strap equipment and a working method thereof. The mobile wrist strap equipment comprises a single chip MCU (Microprogrammed Control Unit), a communication IC (Integrated Circuit), a buzzer, a vibrator, a key, an LED (Light Emitting Diode) lamp, a low-voltage checking circuit, a 2.4G communication frequency modulation circuit, an acceleration transducer, a gyroscope integrated chip, a register, a USB (Universal Serial Bus) circuit, a power supply stabilivolt, a USB charging circuit, an ionic charge battery, an infrared checking circuit and a blood oxygen checking circuit. The mobile wrist strap equipment is a piece of USB equipment with wireless transport protocols, is capable of recording motion, daily life and sleep information of a person, transmitting motion information of the person through a USB and wireless mediums, and monitoring and recording daily action and motion data and sleep information of a user. The mobile equipment displays a motion mode and the completeness of a day motion goal through LEDs without using a piece of LCD (Light Crystal Display) equipment, so that the mobile equipment is very simple and the attachment feeling of wearing is greatly decreased when the mobile equipment is used.

A method, a dynamic user interface and an electronic device for generating user-detectable multi-functional feedback using a single component in response to a stimulus signal. One or more resonating vibrating elements, such for example as a piezo-bender, are attached to a selected component of the electronic device. Because sensory feedback in the form of a haptic feedback signal, a buzzer signal, a vibratory alert signal and an audio signal are all generatable using such a piezo-element attached for example to a lens or housing of the device, a significant decrease in the space needed and in the required power consumption as compared to prior art devices, in which different feedback signals are generated using separate components, is realized.

The invention discloses a rotary opening type pressure cooker provided with a timer. The pressure cooker comprises a cooker body, a pressure cap, a cap lug, cooker lugs and a silicon rubber seal ring arranged between the edge of the pressure cap and the upper edge of the cooker body, wherein the pressure cap comprises a cooker cap assembly, a vent valve arranged on the cooker cap assembly, a pair of stainless steel lock ring assemblies hooping a pair of side edges of the pressure cap and a control mechanism for controlling the stainless steel lock ring assemblies to tightly lock the pressure cap and the upper edge of the cooker body, and a timer assembly is detachably mounted on the pressure cap. The detachable timer used in the cooker adopts embedded design and hardly occupies additional space, the timer is highly integrated with the pressure cooker, and the awkward condition that a timer storage position is forgotten is avoided; the timer can be taken down for independent use, and waiting by side of the cooker is not needed; a buzzer alarm can remind a user of turning off the cooker, and trouble in battery replacement can be avoided by means of design of a charge jack.

The invention discloses an automatic assembly production line of buzzers, which comprises a feeding mechanism, a glue coating mechanism, a buzzer piece placing mechanism, a straight contact pin placing mechanism, a first thermoplastic pipe placing mechanism, an inclined contact pin placing mechanism, a second thermoplastic pipe placing mechanism, a thermoplastic pipe heat sealing mechanism, a contact pin welding mechanism, a dispensing mechanism, a curing mechanism and a detecting and sorting mechanism, which are sequentially arranged on a work table; the glue coating mechanism comprises an automatic shell locating mechanism located behind a glue applicator, and the automatic shell locating mechanism comprises a motor, a rotating jig, an optical fiber sensor, a motor base, a supporting plate and a sensor bracket; the optical fiber sensor is a reflective optical fiber sensor and is arranged to be aligned to the shell; and the optical fiber sensor is installed on the upper part of the sensor bracket, and the lower part of the optical fiber sensor is fixed to the side plate of the supporting plate. The automatic assembly production line disclosed by the invention has the advantages of smart design and simple structure, realizes high level automation, replaces the manual operation, reduces the cost of manpower and physical resources and improves the production efficiency of the assembly line.

A control with display for RF wireless signal light includes a wireless remote control device and a sound-light warning device. The wireless remote control device further includes a light signal controller, a light signal switch circuit, a RF wireless signal emitter and a first battery set. The sound-light warning device further includes a RF wireless signal receiver, a light signal control circuit, a LED display, a buzzer and a second battery set. The RF wireless signal receiver receives the remote control signal from the RF wireless signal emitter. The remote control signal is treated as a turn signal or flash warning signal to be shown on the LED display and allow the buzzer producing warning sound with light.

A portable battery~powered sonic relay amplifies periodic beeping sounds from an alarm clock, smoke alarm, electronic watch or the like and analyzes the sound pulses in a logic circuit. If the sounds are periodically repeated high frequency sounds, a sound producer emits loud, low frequency sounds from a buzzer or the like, which may be heard more easily by a person with high frequency impaired hearing.

The invention relates to a work-state storing and safety protecting system used for a jib crane. The system comprises a lower computer, an upper computer, sensors and a data transmission module. The lower computer comprises an RF identification module, a CPU, a data collecting module, an output control module, a main-control system locking module, a keyboard, a storage, a display, an indicator and a buzzer. The lower computer is arranged in a cab. The upper computer comprises a computer, a control program module and an RF solidifying module. The upper computer is arranged in a ground-based office. The sensors are arranged on the key positions of the jib crane and the signals of these sensors are collected and calculated by the lower computer and then the upper computer communicates with the lower computer through the data transmission module, thus realizing the timely monitoring and data storing to the work state of the jib crane and carrying out safety protection by the judgement on the detection data.

An alert system for an automobile is provided with in combination a buzzer; a lamp; two sensors each disposed in a vehicle door of either side of the automobile; two activation devices each disposed in the vehicle door of either side of the automobile and operatively connected to an inner door handle; and a controller electrically connected to the activation devices, the buzzer, the lamp, the sensors, indicator lights, and a horn. After parking the automobile, one sensor sensing a vehicle coming from behind and one side, and a vehicle door being opened by pulling the inner door handle, the activation device is activated by the inner door, a signal is generated by the activation device, and the signal is sent to the controller which instructs the buzzer to make a buzzing sound, the lamp to light, the indicator lights to flash, and the horn to sound an alarm.

An optical measuring device capable of improving the precision of detection of contamination on a protective glass is disclosed. With threshold values as large as 90%, 50%, 10% of a peak value of a scan signal, measured values Q₉₀, Q₅₀, Q₁₀ of a dimension of a work to be measured are derived, respectively. It is determined whether a difference between the measured value Q₉₀ and the measured value Q₅₀ (or a variation of the measured value) is equal to or larger than a predetermined reference value. (B)-(D) show the presence of contamination on the protective glass, equal to or larger than the reference value. (A) shows the absence of contamination, lower than the reference value. It is then determined whether a difference between the measured value Q₅₀ and the measured value Q₁₀ is equal to or larger than a predetermined reference value. (D) shows the presence of thick contamination on the protective glass, equal to or larger than this reference value. Accordingly, a buzzer is driven and a red lamp is turned on to give the alarm to the operator to remove the contamination immediately.

A digital frying pan provides temperature and/or food doneness information associated with food cooked within the pan. A thermal sensor coupled with the pan senses temperature and generates corresponding signals, and processing electronics coupled with the sensor convert the signals to data for display on a LCD. A warning buzzer or LED warns the user of completed cooking. The frying pan may be programmed to desired food types or personal temperatures or food doneness options. The invention also provides a remote sensing food doneness system for remotely viewing and then determining food temperature and/or food doneness. The remote system uses thermal imaging optics and thermal sensing techniques to remotely sense food temperature. Preferably a second optical element images the food onto a CCD to display an image of the food to a user. The system is mounted by a user who views the CCD to ensure appropriate placement in line of sight from the food. A warning is generated by the system to indicate food doneness or desired temperature.

The invention discloses a novel two-stage bidirectional energy storage converter control system and a control method thereof. An energy storage converter main circuit mainly comprises a three-phase voltage type PWM (Pulse Width Modulation) rectifier, a novel half bridge three-level push-pull bidirectional DC-DC converter, a charging-discharging buffer interface circuit for limiting battery charging current, and a battery pack module. A control system circuit mainly comprises a voltage and current sensor, a driving circuit, a protection circuit, a main controller, an SOC (State of Charge) detection module, a radiator, a buzzer, a man-machine interface, a communication interface circuit and a system auxiliary power supply. The alternating-current micro-grid power or voltage and the states of charge of energy storage batteries can be detected in real time, so that the running modes of each generating set and the energy storage converter in a micro-grid system are controlled flexibly, and the effects of 'filling peaks and clipping valleys' in a power system, smoothening power in a wind-solar hybrid micro-grid system and the like are achieved. Moreover, the control system has the advantages of high power density, small size, high efficiency, low harmonic content, high reliability, high self-control degree and the like.

The invention relates to a vehicle door opening early warning system and a safety protection method thereof. A Doppler millimeter-wave radar is adopted for detecting an approaching moving object within a certain area range behind a vehicle. After the vehicle is stopped and a door lock opening instruction is received, a warning function of the system is started, and meanwhile a control instruction for delaying lock opening is sent to a BCM through CAN communication to delay lock opening. If it is detected that an approaching moving target enters a warning area, the system reminds a driver or a passenger of danger first through an LED installed at the position of a door handle in the vehicle; when the driver or the passenger toggles the door handle and intends to open a vehicle door, the system reminds the driver or the passenger of the danger through a buzzer arranged in an instrument, a door lock is in a non-opened state at the movement, and the driver or the passenger can not open the vehicle door when pulling the door handle for the first time. Thus, the probability of traffic accidents caused by opening the vehicle door is effectively lowered.

A system and apparatus for locating lost or misplaced items, accessories, gadgets, and devices includes a pager unit removably attachable to a flat surface, such as a wall or refrigerator door, and a transmitter unit that is unobtrusively mounted to the item whereupon depressing a pager button activates and transmits a signal to the transmitter unit causing the activation of both a speaker/buzzer and a light emitting diode (LED) so that the item can be quickly and easily located and retrieved.

A system for tracking as lost child a receiver attached to the coupled to a small child. The system comprises a transmitter carried by the parent. A small receiver and activator is attached to the child. When the parent activates the transmitter, the receiver is activated and buzzer or beeper is set off.

The invention relates to the field of smart home systems, in particular to an LED energy-saving lamp control system for smart home, and aims to wirelessly control LED energy-saving lamps, including living room lamps, bedroom lamps, kitchen lamps and bathroom lamps, in different rooms in a home. Control modules 1 are arranged inside the upper half parts of LED energy-saving lamp bodies; sound recognition modules 2 and Bluetooth modules 3 are fixed on the surfaces of the shells of the lamp bodies; an infrared detection module 4 is arranged at the front gate of the home; a Bluetooth module 3 is arranged inside the infrared detection module 4; the control modules 1 inside the living room lamps and the bedroom lamps are all internally provided with voice play modules or buzzers; the infrared detection module 4 is internally provided with a face recognition module; manual switch buttons 5 are also arranged inside the rooms with the living room lamps, the bedroom lamps, the kitchen lamps and the bathroom lamps. The LED energy-saving lamp control system is preferably controlled by voice, achieves smart control on the LED energy-saving lamps in different rooms in a living environment, and is convenient and rapid and energy-saving and environment-friendly, and with the combination of the infrared detection module, a certain security function is achieved.

The invention relates to a control method and a device of the automatic gear shifting of automobiles, which discloses an electric control device of self-changing gearbox. A control unit comprises a main controller and a subordinate controller which connect together, and the main controller and the subordinate controller receive signals of a sensor through a signal processor and input the signals through a switch signal input end. The main controller outputs the signals to a starting relay, a gear display, a buzzer and an external sensor through the signal processor, carries out data exchange with an electronic control unit through a bus module and is connected with the external equipment through a K line module. Signals output of the main controller and the subordinate controller are transferred to a signal output processor which is connected with a hydraulic operating system, and a clutch and a gear box are connected with the hydraulic operating system. The utility model has the advantage that under the circumstances of the failure of the main controller, the subordinate controller replaces the main controller, so that the traffic safety is ensured.

The invention provides a wireless lock control system of an electronic lock based on an intelligent terminal and a method, the wireless lock control system is used in a U type glass door lock /bicycle lock, the wireless lock control system comprises a main control CPU, a wireless module, a fingerprint module, a touch key module, a distribution network button, a LED display circuit, a buzzer module, an alarm circuit, an EEPROM memory, a power supply circuit module and a motor driver circuit module which are connected with the main control CPU, the power supply circuit module includes a rechargeable device; wireless transmission is encrypted by an AES encryption mode, the touch key module can add a 6 to 12 bit password, and a 32 bit virtual password is set; the fingerprint module adopts a semiconductor fingerprint sensor, and can add 100 pieces of user passwords, and a door can be opened by direct pressing of a user fingerprint; the electronic door lock is connected with the wireless main control CPU to realize the real-time monitoring and remote control of a door lock device so as to achieve full intelligent user experience.

The invention discloses an intelligent walking stick with an automatic alarming function in case of falling. The intelligent walking stick comprises a walking stick body and an automatic alarming device in case of falling, and the automatic alarming device in case of falling comprises a power source, a three-shaft acceleration sensor, a microprogrammed control unit (MCU), a button switch, a buzzer, a positioning module global positioning system (GPS) and a communication network module global system for mobile communication (GSM). The power source, the three-shaft acceleration sensor, the MCU, the button switch, the buzzer, the positioning module GPS and the communication network module GSM are respectively connected with a microprocessor. A cavity is arranged on the walking stick body and used for accommodating the automatic alarming device in case of falling. The intelligent walking stick automatically judges whether a user falls, when the user falls, the intelligent walking stick sends positioning information to inform family members automatically, the user can obtain timely help without any operation. Particularly the common communication network (GSM) and a GPS positioning terminal are used, and the intelligent walking stick has reliable performance.

The invention discloses a method for automatically controlling air conditioner cleaning function, comprising the following steps: S1: a detection module detects a pollutant accumulated thickness in anair conditioner, and converts a pollutant accumulation thickness value into a pollution detection value V; a time limit module acquires an accumulated time value t of the air conditioner operation after the air conditioner completes a self-cleaning operation; a micro-processing module collects the pollution detection value V and the accumulated time value t, and decides whether the air conditioner meets a starting condition or not according to the pollution detection value V and the accumulated time value t; S2: if the air conditioner meets the starting condition, a driving control module receives a control instruction, drives a fan, a stepping motor and a buzzer to work to remind a user and realize the self-cleaning operation on the interior of the air conditioner. According to the method for automatically controlling air conditioner cleaning function, the automatic cleaning of the air conditioner may be realized by judging the pollutant accumulation amount of the evaporator and thefilter screen as well as combining the accumulated running time of the air conditioner.

The present invention relates to a system and method for guiding the walking directions of a blind person using RFID blocks and, more particularly, to a system and method for guiding the walking directions of a blind person using RFID blocks, wherein an RFID reader wirelessly senses RF tags embedded in the blocks so as to guide walking directions by means of vibrations, buzzer sounds, and voice messages for guiding entry/exit directions, according to the types of pedestrian zones when a blind person walks along the blocks. The guiding system comprises: RFID tags for guiding the walking of a blind person; a plurality of blocks embedded in sidewalks which are divided into a junction zone block, a junction neighboring zone block and a general pedestrian zone block; a walking cane for receiving pedestrian zone information from the RFID tags in the plurality of blocks and outputting vibrations, sound effects and voice messages for guiding walking directions. The walking cane comprises: an antenna for receiving the pedestrian zone information by means of the RFID tags and a wireless transceiver; and a control part for generating vibrations when the blind person passes a general pedestrian zone block, generating vibrations and buzzer sounds when the blind person passes a junction neighboring zone, outputting vibrations and a voice guiding message for indicating a junction zone block when the blind person passes, and outputting vibrations and a voice guiding message for entry/exit directions when the blind person passes the junction neighboring zone block via the junction zone block.