Matches 1 - 26 out of 26
Match Document Document Title
6850774 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6804491 Mobile communication system and repeater used in the mobile communication system  
When a base station 205 employs frequencies f 1 , f 2 and f 3 , repeaters 201 to 204 provided with filters passing only f 1 are placed. According to this configuration, repeater apparatus...
6577603 Method for determining speed of terminal, and receiver  
The invention relates to a method for determining speed of terminal in a radio system, and to a receiver in a radio system, the receiver comprising means for taking samples from a received signal...
6463271 Portable radio telephone data terminal using cdpd  
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
6434395 Portable communications and data terminal having multiple modes of operation  
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
6360088 Antenna diversity switching system and method for selecting an antenna through a programmed evaluation  
A system, method, and program for selecting an antenna from a plurality of antennas in a wireless communication system having a dynamic frequency range is disclosed. This disclosure describes how a...
6334062 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6212176 Digital control channels having logical channels for multiple access radiocommunication  
A communications system in which information is transmitted in successive time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of hyperframes. A remote...
6195835 Vacuum cleaner having a cyclone dust collecting device  
A vacuum cleaner having a cyclone dust collecting device for separating and collecting dust and dirt of a comparatively large particle size sucked from a suction opening of the cleaner by...
6188875 Wireless telephone server system  
A wireless telephone server system used for reproducing a wireless base station signal and introducing the reproduced signal in a new geographical area. The system reproduces or clones a full, high...
6157836 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6144653 Method for communicating in a wireless communication system  
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A...
EP1041735A2 Diversity device and diversity antenna  
The diversity device, in which transmitting and receiving carriers of at least two channels are possible, has a diversity antenna (21) having a first antenna (212a) which can be transmitted and...
6088592 Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems  
A wireless system architecture whereby high efficiency broadband transceiver systems can be deployed at an initial build out stage of the system in a cost-efficient manner. A home base station...
6079367 Animal training apparatus and method  
An apparatus and method for training an animal and confining the animal to a defined area includes a magnetically actuated switch. The apparatus further includes a housing removably attached to the...
5987099 Low-power wireless system for telephone services  
A wireless telephone system provides telecommunications services for personal wireless telephone sets over an area which is divided into service cells. Each of the cells is defined by reception...
5778316 Method and apparatus for selecting a control channel based on service availability  
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A...
5760058 Peripheral vasodilating agent containing piperidine derivative as active ingredient  
Peripheral vasodilating agents containing as an active ingredient, a piperidine derivative or pharmaceutically acceptable salt thereof having excellent peripheral vasodilating activity, said...
5737706 Power system supporting CDPD operation  
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
5659879 Method of covering shadow areas in a cellular mobile radio system and radio booster for implementing this method  
A mobile radio network comprises a base transceiver station for transmitting and receiving radio signals to and from mobiles on different basic frequencies and a radio booster for receiving,...
5656642 Peripheral vasodilating agent containing piperidine derivative as active ingredient  
The present invention relates to novel peripheral vasodilating agents characterized by each containing as an active ingredient, a piperidine derivative or pharmaceutically acceptable salt thereof...
5603081 Method for communicating in a wireless communication system  
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A...
5591751 Peripheral vasodilators  
Peripheral vasodilating agents containing, as the active ingredient, carbostyril derivatives represented by the general formula: ##STR1## or a salt thereof; and novel carbostyril derivatives...
5481571 Method and apparatus for switching between radio frequency circuits  
An RF circuit switch system having particular use in an antenna diversity scheme for a CDPD system relies upon a comparison between current signal values on a selected antenna and a predetermined...
5377255 RF repeaters for time division duplex cordless telephone systems  
An RF repeater for interfacing with a base station for exchanging transmit and receive signals in a time division duplex cordless telephone system comprises a multicarrier amplifier having an input...
4886809 Carbostyril derivatives and salts thereof  
Novel carbostyril derivatives and salts thereof having useful pharmacological activities such as myocardial contraction increasing activity (positive inotropic activity), coronary blood flow...
Matches 1 - 26 out of 26