108results about "Near-field calling systems" patented technology

Systems and methods are provided for facilitating wireless connections using a Bluetooth® low energy (BLE) beacon installed at a location. In particular, the provided systems and methods may facilitate wireless connections by providing credentials for accessing a wireless network at the location when a user checks in to the location using a user device in communication with the BLE beacon. The provided systems and methods may further facilitate wireless connections by establishing a Wi-Fi Direct connection with the user device to quickly provide content to the user device while at the location.

An attestation connection method for mobile telephone set with bluetooth module, which contains 1, transmitting data transmission information from equipment A to B through safety channel, said data transmission information containing attestation protocol mark, local bluetooth equipment address, PIN code and telephone number of equipment A, 2, equipment B transmitting attestation request to A after receiving data transmission reporting information containing local bluetooth address and telephone number of equipment B, generating a attestation cipher key utilizing PIN code of A, 3, equipment A and B making attestation according to bluetooth protocol after A affirming the request information of B, 4, equipment A and B establishing connection in passing attestation.

The embodiment of the invention discloses a Bluetooth master device and an incoming call processing method and device of the same. The method comprises the following steps: judging whether the Bluetooth master device has connected with a master slave device while detecting the incoming call event; if the Bluetooth master device has connected with the master slave device, answering the incoming call through the Bluetooth slave device while receiving a voice answering instruction input by the user. The Bluetooth master device and the incoming call processing method and device of the same disclosed by the embodiment of the invention are capable of simplifying the operation of answering the incoming call from the Bluetooth slave device.

An event notification device includes a wireless communication unit, an event occurrence information acquiring unit, an enabled-notice information acquiring unit, a notice setting unit, and an event occurrence notification unit. The wireless communication unit transmits and receives information on an online service from multiple external devices. The event occurrence information acquiring unit acquires an event occurrence notice via the wireless communication unit from the external devices. The enabled-notice information acquiring unit acquires enabled-notice information on the event occurrence notice via the wireless communication unit. The notice setting unit requests one external device to transmit the event occurrence notice and requests the other external devices not to transmit the event occurrence notice if the multiple external devices can individually transmit the same event occurrence notice. The event occurrence notification unit notifies a user of the event occurrence on the basis of the event occurrence notice.

A wireless paging system allows a business to automatically page customers via the customers' existing mobile phones or other wireless devices, using an existing cellular telecommunications network, and without the need to provide a separate local-area paging network. The paging system includes a local, Internet-connected computer deployed at the business and a notification and scheduling program running on the computer. The notification program is directly or indirectly interfaced with the cellular network's short messaging service or the like, through the Internet or otherwise. If a customer has to wait upon arrival for a product and/or service, the customer's mobile phone number is entered into the notification program. Upon receiving data indicating that the product and/or service has become available, e.g., as entered into the local computer by employees, the notification program generates appropriate commands and/or instructions for having a notification message sent to the customer's wireless device.

The present invention provides an automatic elevator call system and a method for requesting an elevator service, belonging to the field of elevator intelligent control technologies. The automatic elevator call system of the present invention includes a wireless signal apparatus that is installed in an elevator system and broadcasts a corresponding wireless signal around, wherein the automatic elevator call system detects the wireless signal and a signal strength value thereof by using a personal mobile terminal carried by a passenger, and automatically sends an elevator service request command to the wireless signal apparatus when the signal strength value is greater than or equal to a predetermined threshold. The wireless signal apparatus wireless signal apparatus. The present invention can further improve elevator call experience of passengers.

This invention discloses a terminal Am having off-grid method for digital centerless communication system including: dividing a spectrum resource into multiple frequency points, defining control frequency points and service frequency points in said multiple frequency points, in which a synchronous channel, a paging channel and a control channel are distributed to the control frequency points and service channels are distributed to the service frequency points, determining modulation mode, dividing frames and time slots, designing structure of the frames and different users multiplex a same frequency point and TDMA mode is applied, one time slot on a frequency point is occupied for user talk to design process steps of Am having off-grid for terminal stations.

The invention provides a communication system and communication method of a wireless remote control Bluetooth earphone, and a helmet interaction system. The communication method comprises the steps that the Bluetooth earphone is in paired connection with a remote controller; and the Bluetooth earphone performs a corresponding operation according to a control signal sent by the remote controller. The helmet interaction system comprises a helmet, the wireless remote control Bluetooth earphone arranged on the helmet, and the remote controller in paired connection with the Bluetooth earphone. According to the Bluetooth earphone arranged on the helmet, a user can keep communicating with others in a riding process; the user can control communication between the Bluetooth earphone and a smart terminal, and between interphones through the remote controller; the user does not need to release handles to operate the Bluetooth earphone directly; the operation is more convenient; and the riding process is safer.

In a selective calling communication system, the number of times a paging signal is transmitted and a paging signal transmission interval can be changed in response to a request of a calling party, and the paging signal is transmitted the changed number of times and/or at changed intervals, so that the paging signal can be received at a higher probability than before, thus making it possible to realize a selective calling communication system which can improve the reliability of reception as compared with conventional systems.

A data transmission and reception system and method that make it possible to transmit and receive more types of information without changing the existing communication system include a broadcasting base station which has a subID adding unit, which arranges in the transmission data region the subIDs of the transmission data arranged in the transmission data region, and a transmission processing unit, which performs transmission processing on the transmission data as data transmission cycles. A portable information communication terminal has an input unit, which sets IDs and subIDs, a comparison unit, which has the address information comparison function of comparing the ID arranged in the selection call part and the ID set by the input unit and obtaining the result of the address information comparison, as well as the identification information comparison function of comparing the subID arranged in the transmission data region and the subID set by the input unit and obtaining the result of the identification address comparison, and a data reading unit, which performs reception control on the transmission data based on the address information comparison result and identification information comparison result obtained from the comparison unit.

The invention relates to an accumulated timing automatic identification desktop liquid crystal screen advertisement device, which comprises a base, a liquid crystal display screen, a liquid crystal screen shell and a bracket, wherein the liquid crystal display screen is arranged in the liquid crystal screen shell; the whole shell is fixed on the base through the bracket; a loudspeaker and a control circuit are integrated in the liquid crystal display screen; the control circuit comprises a CPU control module, a data storage module, a data transmission module, an infrared sensing module and a power supply module; the infrared sensing module comprises an infrared human body induction sensor and a corresponding liquid crystal display start and dormancy module executed according to the signal of the sensor; and a time accumulator associated with the liquid crystal display start and a timer are arranged in the device. The device overcomes the defects that most of the current desktop advertisements are static printing (jet) advertisements and have no video image playing functions, avoids repeated play of the advertisement without people, improves the effectiveness of advertising and fulfills the aim of energy conservation.

This invention relates to a wireless service system, which is composed of the wireless service beeper, wireless service receiver and center control system. Each part can communicate with each other to realize the data transmission. Each beeper has corresponding receiver to receive the service request information. The receiver is portable, which receives service request information by wireless mode. The relationship between the receiver and beeper can be revised by the center control system. When the custom needs service during the meal, he just presses the service key that correspondents to the service, then the waiter can receive the service request information to provide well service for customs.

Efficient paging control is achieved in a communication system that selectively provides one of communication services implemented by integrating a plurality of communication systems. Before transmitting a downlink signal to a terminal, a gateway requests each of the communication systems to transmit a paging signal to the terminal. Receiving the paging signals transmitted from the communication systems, the terminal selects a communication system A with the lowest communication cost in accordance with communication cost information contained in the paging signal. The terminal sends a request for connection to the selected communication system A. As a result, the communication system A transmits the downlink signal to the terminal.

The invention discloses a Bluetooth call method and belongs to the technical field of communication. The method includes the steps that a first terminal and a second terminal establish Bluetooth connection; the second terminal triggers a call instruction and sends dialing information to the first terminal through Bluetooth, wherein the dialing information comprises a phone number needing to be dialed; the first terminal receives the call instruction of the second terminal and calls a dialing system to dial the phone number so that the second terminals can use the first terminal for calls through the Bluetooth. Therefore, when a terminal of a user cannot make a call, the call can be made through a Bluetooth hotspot, the call is made through terminals of other people, convenience is brought for people in need, a dialing terminal user does not need to loan out the terminal, and the use experience of multiple users is effectively improved.

A computer program product includes a computer readable storage medium having program instructions embodied therewith, where the program instructions are executable by a processor to cause the processor to perform a method of communication. The method includes a communication hub receiving a message via short range wireless communication directly from a first mobile communication device that is proximate to the communication hub at the time the message is transmitted, and the communication hub receiving the message and automatically forwarding the message via a mobile communications network to a second mobile communication device that is associated with the communication hub without the first mobile communication device identifying the second mobile communication device.

A bluetooth remote controller for control of an automobile head-up display system comprises a display screen and a host. The front side of the bluetooth remote controller is a keyboard, and the back is a buckle. The keyboard comprises a plurality of control keys, the plurality of control keys switch between a voice control mode, a button control mode and a telephone mode of the automotive head-up display system. The bluetooth remote controller can easily and precisely control HUB, so that a driver can control the HUD by blind operation and voice in the driving process; and the bluetooth remote controller also can answer the phone.

A voice transmission recovery system and method based on the purple bee technique is belonged to the short-haul wireless communication technique field with low cost and low power consumption. The system consists of center management system and purple bee device, it can collect and process the data gathered by the wireless sensor, and control the whole network. The manager can communicate with the user with purple bee voice terminal. The purple bee device includes purple bee gateway, purple bee router and purple bee voice terminal; three devices comprise the purple bee wireless network. The voice transmission recovery method based on the purple bee technique include two parts, the first part is the pre real-time voice transmission method based on the storage recovery technique, and the second part is the real-time voice transmission method based on the control technique. The advantages are those: instant voice communication combines with the purple bee wireless communication device with low cost and low power consumption, and it provides a convenient voice communication method for locale persons.

Cancelling a delay in a comparator of an RC oscillator configured to generate a clock pulse, including: selectively coupling a plurality of current sources to a first capacitor, a second capacitor, and a resistor, wherein the plurality of current source charge and discharge the first capacitor and the second capacitor, and charge the resistor; charging the first capacitor at a higher rate during a first phase of the clock pulse than a second phase of the clock pulse, and charging the second capacitor at a higher rate during a third phase of the clock pulse than a fourth phase of the clock pulse; and generating the clock pulse by enabling the comparator to compare a voltage on the first or second capacitor with a voltage on the resistor.

The embodiment of the invention discloses an information processing method and an information processing device. The specific moment when the downlink control information is issued in the subsequent wave beams can be obtained in advance according to the previous wave beams; therefore, the downlink control information is detected only at the specific moment of issuing the downlink control information detected by the previous wave beam, so that the detection of the downlink control information is accurately controlled, the blind detection of the downlink control information is prevented, and theelectric quantity is saved. The method comprises steps that beam scanning is carried out in a first time period, the first time period is a time period for scanning a first group of beams, and the first group of beams comprises at least one beam; furthermore, whether indication information is received on the first group of beams is determined according to the beam scanning result, so that whetherthe terminal needs to detect the downlink control information is determined, the first group of beams has the function of bearing the indication information, and the indication information is used for indicating whether the terminal needs to detect the downlink control information.

Disclosed herein is an underwater pager configured such that a hole is not formed in the outer wall of a casing. The ultrasonic underwater pager includes an ultrasonic transducer for transmitting or receiving ultrasonic signals. An electronic circuit unit generates an ultrasonic signal and analyzes a received ultrasonic signal. A switch unit is switched using a magnetic phenomenon and is configured to supply power to the electronic circuit unit and transmit external commands to the electronic circuit unit. A watertight casing is configured such that the ultrasonic transducer, the electronic circuit unit, and the switch unit are installed in the watertight casing, the ultrasonic transducer being installed in a raised position in the watertight casing using a molding process. A magnet is attached to a rubber cover connected to an outside of the watertight casing, and is configured to switch on/off the switch unit using a magnetic phenomenon.