Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717)
12/2014
12/24/2014CN104244115A 一种企业无线通信系统 An enterprise wireless communication system
12/24/2014CN104243723A 访客对讲系统音频信号非线性失真检测方法 Visitors intercom system nonlinear distortion audio signal detection method
12/24/2014CN104243663A 关于对讲机的免提结构 About intercom speakerphone structure
12/24/2014CN104242959A 对讲机的微型可移动基站设备 Miniature walkie-talkie mobile station equipment
12/23/2014US8917165 RFID tag detection and re-personalization
12/23/2014US8917164 Method for identification of components in an electrical low-voltage switchgear assembly
12/23/2014US8917163 Active electronic tag apparatus for memory card
12/23/2014US8917162 Wireless communication apparatus and antenna device
12/23/2014US8917161 Systems and methods for transmitting data using near field communications
12/23/2014US8917160 RFID module
12/17/2014CN204031380U 一种新型医院护理用呼叫对讲系统 A new hospital care intercom system with call
12/17/2014CN204031379U 电梯远程无线对讲系统 Elevator remote wireless intercom system
12/17/2014CN204031337U 一种集成安全防范系统的室外型多功能信息化应用终端 An integrated security system information application outdoor multifunction terminal
12/17/2014CN102271291B 基于widi技术的楼宇可视对讲系统及其实现方法 Widi building visual intercom system based on technology and its implementation
12/16/2014US8912908 Communication system with remote activation
12/16/2014US8912892 Autonomous and controllable systems of sensors and methods of using such systems
12/16/2014US8912891 Apparatus having at least one packaging unit with an RFID chip which is used for radio-frequency identification, and method therefor
12/16/2014US8912890 Surveillance devices with multiple capacitors
12/16/2014US8912888 Information storage medium, object of management and management system
12/16/2014US8912887 RFID tag
12/10/2014CN204013951U 一种多功能户外对讲机 A multifunctional outdoor intercom
12/10/2014CN204013950U 摄像设备对讲系统 Camera equipment intercom system
12/10/2014CN204013949U 多功能语音通信装置及其无线通信系统 Multifunctional voice communication device and a wireless communication system
12/10/2014CN204013948U 一种停车场系统 A parking lot system
12/10/2014CN204013874U 一种楼宇可视对讲装置 One kind of building visual intercom system
12/10/2014CN204013864U 一种楼宇高清可视对讲系统 One kind of building high-definition video intercom system
12/10/2014CN204013526U 一种对讲系统的八路全双工电力线载波电路 An eight-way, full-duplex intercom system power line carrier circuit
12/10/2014CN103138854B 一种检测亚音频信号的方法和设备 A method and apparatus for detection of sub-audio signal
12/09/2014US8907769 Maximally flat frequency coded (MFFC) passive wireless saw RFID tags and sensors
12/09/2014US8907768 Access using a mobile device with an accelerometer
12/09/2014US8907767 Methods and apparatus for distance determination for radiofrequency identification devices
12/09/2014US8907766 Method and system for secure communication
12/09/2014US8907765 RFID tag detection method and system
12/09/2014US8907761 Authentication of an electromagnetic terminal-transponder couple by the terminal
12/02/2014US8902073 Smartcard protection device
12/02/2014US8902047 RFID system and method of transmitting large data of passive RFID
12/02/2014US8902046 RFID reading tunnel and method for reading RFID transponders
11/2014
11/25/2014US8896425 Apparatus and method for serialized continuous encoding of RFID tags
11/25/2014US8896424 Dosing system and method for the dosing of a medium
11/25/2014US8896422 Methods, systems, and products for tracking objects
11/25/2014US8896421 Wide-area dynamic RFID system using UWB
11/18/2014US8890662 EPC provisioning system
11/18/2014US8890661 Method, apparatus and computer program product for invoking local communication application services
11/18/2014US8890660 Power saving method
11/18/2014US8890659 Method for preventing collision of RFID tags in an RFID system
11/18/2014US8890657 System and method for operating an RFID system with head tracking
11/11/2014US8884761 Theft detection device and method for controlling
11/11/2014US8884743 RFID memory devices
11/11/2014US8884737 Control device and communication control method
11/04/2014US8878652 Encoding module, associated encoding element, connector, printer-encoder and access control system
11/04/2014US8878651 Food source information transferring system and method for a livestock slaughterhouse
11/04/2014US8878650 RFID security reader
10/2014
10/28/2014US8872636 Algorithm-based RFID loss-prevention system
10/28/2014US8872635 Systems and methods for verifying a chip
10/28/2014US8872634 Integrated detection point passive RFID tag reader and event timing system and method
10/28/2014US8872633 Ramped interrogation power levels
10/28/2014US8872632 Collision resolution protocol for mobile RFID tag identification
10/28/2014US8872631 Enhanced identification system
10/28/2014US8872630 Method and apparatus for cabinet asset management, and cabinet system
10/28/2014US8872629 Passive transponder with a charging circuit
10/28/2014US8872628 Document with inductive charging and data storage and transmission
10/28/2014US8872619 Securing a transaction between a transponder and a reader
10/21/2014US8866596 Code-based RFID loss-prevention system
10/21/2014US8866595 Ticket-based RFID loss-prevention system
10/21/2014US8866594 RFID tag and reader authentication by trusted authority
10/21/2014US8866593 Apparatus and method for integrating a transmitting device and a battery pack
10/21/2014US8866592 Method for detecting and communicating with RFID memory devices
10/21/2014US8866591 Identification device for a pneumatic spring
10/21/2014US8866590 Insulating glass unit with an electronic device and process for its production
10/21/2014US8866581 Securing content using a wireless authentication factor
10/14/2014US8860557 Method and apparatus to facilitate setting RFID tags to a particular read state
10/14/2014US8860556 Method and system for the secure detection of an RFID electronic tag
10/14/2014US8860554 Deterministic Method for efficiently querying and identifying multiple items on a communication channel
10/14/2014US8860553 Self-powered, piezo-surface acoustic wave apparatus and method
10/14/2014US8860552 Flexible straps having embedded RFID reader antenna modules
10/14/2014US8860551 Automated RFID reader detection
10/09/2014WO2014164919A1 Systems and methods for estimation of a population of passive rfid sensors
10/07/2014US8854212 Radio frequency identification tag identification system
10/07/2014US8854191 Semiconductor device and method for operating the same
10/07/2014US8854190 Systems and methods to detect cross reads in RFID tags
10/07/2014US8854189 Method for a secure non-volatile logging in an active RFID tag of a process in a tagged article
10/07/2014US8854188 Signal cancelling transmit/receive multi-loop antenna for a radio frequency identification reader
10/07/2014US8854183 System for monitoring component of operating machine
10/02/2014WO2014160165A1 Method and apparatus pertaining to use of multiple sessions with rfid tags
10/02/2014WO2014159167A1 Vehicle detection and image capture system and methods for detecting and capturing images of vehicles
09/2014
09/30/2014US8847766 Pharma-informatics system
09/30/2014US8847739 Fusing RFID and vision for surface object tracking
09/30/2014US8847738 Mobile terminal, information processing method, and computer program
09/30/2014US8847736 Imaging-based radio-frequency identification transponder
09/30/2014US8847735 Antenna interface for radio frequency identification circuit
09/25/2014WO2014150702A1 Physical layer and virtualized physical layer adapted for ehf contactless communication
09/18/2014WO2014144707A1 Systems and methods for compressive sensing ranging evaluation
09/18/2014WO2014144674A1 Mini flat antenna system
09/16/2014US8836513 Communication system incorporated in an ingestible product
09/16/2014US8836480 Radio frequency identification tag and arrangement and method of associating tag data from the tag with code data from an optical code on the tag
09/16/2014US8833664 Enhanced performance and security RFID device
09/09/2014US8830065 RFID readers with run commands
09/09/2014US8830038 Encapsulating commands for RFID tags
09/09/2014US8830037 In vivo RFID chip
09/09/2014US8830035 Power consumption management for an RFID reader
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