Class 340/2.8 - Data channel selector line

Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein a separate line is used to communicate
No. of patents: 32
Last issue date: 05/29/2012

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Number	Title	Issue Date
8188836	Apparatus for switching high frequency signals A high frequency signal switching apparatus includes a bias unit which transmits a bias power source; a control signal transmitter, which provides a control signal received from outside; and a switching unit, so that the input signal input through the input terminal...	05/29/2012
7362214	Branching device for transmission line and monitoring apparatus using the same A branching device for a transmission line, including a main transmission line including at least two signal lines and having respective connectors provided at either end; a first branch transmission line which branches from the signal lines and which has a branch-u...	04/22/2008
7328399	Synchronous serial data communication bus A synchronous serial bus features a variable data size format and an in-line addressing and data architecture. Flexible addressing allows for a variety of slave devices and configurations. Frequent parity checking during a transaction allows for faster error recover...	02/05/2008
7269675	Method and device for monitoring a bus system and bus system A method and device for monitoring a bus system and bus system having at least two users, of which at least one is structured as an authorized user and monitors the data transmission on the bus system, an identifier being transmitted and the identifier being uniquel...	09/11/2007
7257415	Voice-controlled wireless communications system and method A wireless communication system has a central computer, one or more wireless access points and one or more personal badges that communicate wirelessly with the one or more wireless access points. The badges provide the user with a communications device that permits ...	08/14/2007
7256687	Tire pneumatic pressure monitoring system and tire pneumatic pressure monitoring receiver used for tire pneumatic pressure monitoring system A tire pneumatic pressure monitoring system contains tire pneumatic pressure monitoring receivers that receive radio signals transmitted from sensors and detect RSSI signals and pneumatic pressure data. A console processes the RSSI signals and the pneumatic pressure...	08/14/2007
7197357	Wireless ECG system A cardiac monitoring system and, more particularly, a wireless electrocardiograph (ECG) system. The present invention detects electrical signals from a patient's heart and transmits the signals digitally to a remote base station via telemetry. The base station conve...	03/27/2007
7120488	Therapy-delivering portable medical device capable of triggering and communicating with an alarm system A therapy-delivering, portable medical device (200) capable of triggering and/or communicating with an alarm system (100), as well as a related system and method therefor. The portable medical device (200) is configured to establish a communicat...	10/10/2006
7065409	Device communications of an implantable medical device and an external system An implantable medical device, external unit, and method for establishing communication between them are disclosed. The external unit learns the frequencies of transmission and reception for the implant. The transmit frequency of the implant is learned by the extern...	06/20/2006
7058740	Effective bus utilization using multiple buses and multiple bus controllers In one embodiment of the present invention, a bus controller is used in a multi-master system having first and second processors. The bus controller includes a bus arbiter and a first multiplexer. The bus arbiter is coupled to the first and second processors via fir...	06/06/2006
7043396	Methods for measuring alignment in customized vehicles A method and apparatus for guiding an operator in the alignment of the wheels of an automotive vehicle which has been either modified from a original manufacturer configuration, or for which no previously established alignment settings are known. Initially, the oper...	05/09/2006
6861942	Directionally-adjustable antenna system using an outside mirror for automotive applications A vehicle antenna system incorporated into at least one side-view mirror of a vehicle includes a forward directed antenna and a rearward directed antenna to transmit and receive signals over corresponding forward and rearward-directed detection fields, respectively....	03/01/2005
6603388	Security system and method A security system for actuating a security mechanism of a vehicle includes a transceiver coupled to the security mechanism and having one transmission channel for transmitting a first signal and a number of reception channels. A remote radio-frequency tra...	08/05/2003
6486924	Television antenna with bypassable amplifier circuit An indoor television antenna has a bypassable amplifier circuit, which is user-controllable to switch between an amplification signal path and a unity gain signal path. The amplifier circuit, also referred to herein as a television signal switching circui...	11/26/2002
6418116	Transmission system having an uninterrupted switchover function for a plurality of lines A transmission system having an uninterrupted switchover function for a plurality of lines is disclosed. The aims are to prevent unnecessary switchover and to provide high quality transmission system even using low quality lines with a minimal hardware co...	07/09/2002
6150951	Medical telemetry system with wireless and physical communication channels A telemetry system comprising a transmitter for transmitting signals, preferably electromagnetic signals, and a receiver for receiving the signals from the transmitter. The receiver comprises a receiver contact unit for providing a contact with a transmit...	11/21/2000
6108301	Circuit, architecture and method for redundant data communications links A communication unit, coupled to a communication link, may be enabled if a signal is present on the communication link and the unit is active. However, if no signal is present on the communication link, the communication unit generates a token used to act...	08/22/2000
6097307	Security system with randomized synchronization code A transmitting unit of a wireless security system having randomized successive ("rolling") verification codes transmits a different synchronization code each time that the transmitter unit is powered up. After power up, a pseudo-random value is generated ...	08/01/2000
6078820	Real-time SMS application messaging using an SMSC-linked server A method is disclosed for operating a wireless mobile station of a type that is capable of bidirectional communication with a BMI having a SMS center. The method includes the steps of: (a) receiving a SMS message from the BMI; (b) determining if the SMS m...	06/20/2000
6006295	Translator with selectable FIFO for universal hub cables for connecting a PC's PCMCIA or parallel ports to various peripherals using IDE/ATAPI, SCSI, or general I/O A universal cable connects a personal computer's parallel port or PCMCIA socket to a variety of types of external peripheral devices. The universal cable contains a translator circuit that converts signals from the parallel port or PCMCIA socket to extern...	12/21/1999
5933449	Switcher for flexibly interconnecting communication ports A transceiver includes a first receiver having an input connected to a first I/O port of the transceiver and an output connected to an output port of the transceiver and a second receiver having an input connected to a second I/O port of the transceiver a...	08/03/1999
5870382	Automatic protection switching system for ATM exchange network An ATM exchange network system in which a first equipment and a second equipment are connected through a duplex communication line comprising a working line and a protection line. In this system, each of the first equipment and second equipment provides: ...	02/09/1999
5852406	Multi-protocol data bus system A multi-protocol serial data bus system includes two clock lines and a data line. A controller generates a first clock signal and a first data signal according to a first serial data bus protocol during a first mode of operation of the system, and generat...	12/22/1998
5841761	System for detecting a connection state between two nodes in a digital communication network A system for determining whether or not two of a plurality of nodes (transmission devices) disposed in a complicated communication network, which includes control signal transmission paths and main signal transmission paths in a mixed condition, are physi...	11/24/1998
5686898	Paging network identification information distributed in address field A method by which a data communication receiver may recognize a specific channel comprises the steps of receiving (1605) a data stream on a first channel for a first amount of time to determine (1680) whether network identification information is included...	11/11/1997
5453737	Control and communications apparatus A master/slave communication and control system includes a master controller and a plurality of slave subsystems, the master controller connected with the slave subsystems through first and second independent serial data buses, one of the data buses provi...	09/26/1995
5365512	Multisite trunked RF communication system with reliable control messaging network A distributed switching network (switch) routes audio and control signals throughout the switch from various audio sources to one or more audio destinations. Audio sources such as mobile/portable radio units (via RF repeater transmitters), dispatch consol...	11/15/1994
5235598	Method for utilizing a control channel for both data and voice In a trunking communication system that is equipped to utilize the control channel as both a voice and control channel, a communication unit can transmit control data to the communication resource allocator in the following manner. Once a voice channel is...	08/10/1993
4903262	Hardware interface and protocol for a mobile radio transceiver A system and method for communicating control signals between a digital mobile transceiver, a digital control head, and a mobile data terminal over a common serial peripheral bus uses a message protocol and architecture which is efficient and yet provides...	02/20/1990
4792800	Local communication system among ISDN terminal equipments A local communication system among ISDN terminal equipment in a user's premises are connected to a local passive bus of the LSDN basic-access interface. The present system can establish the local communication through a network termination unit among ISDN...	12/20/1988
4757371	Still picture transmission apparatus A still picture transmission apparatus in which still picture data is transmitted in packet form from a central terminal having a picture data bank selectively to a plurality of local terminals through a common transmission line at which a plurality of di...	07/12/1988
4447813	Programmable bus for the control of electronic apparatus An improved bus architecture is provided wherein the bus line extends from a programmable control unit. A plurality of apparatus receiving slots extend along the bus adapted to receive apparatus modules to be connected to the bus. An enabling line extends...	05/08/1984

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Class 340/2.8 - Data channel selector line