Matches 151 - 200 out of 271 < 1 2 3 4 5 6 >
Match Document Document Title
5729827 Pager with station switch request  
A two-way paging system utilizes four local frequencies for transmissions between pager units (22) and a central control station (20). A first local frequency (f 1 ) carries a local clock; a second...
5724410 Two-way voice messaging terminal having a speech to text converter  
A two-way voice messaging terminal for communicating with a receiving terminal which may or may not be capable of reproducing a voice message transmitted from the voice messaging terminal. A voice...
5712867 Two-way paging apparatus having highly accurate frequency hopping synchronization  
A method, apparatus and system is described for distributing accurate time-of-day information from an existing telecommunications infrastructure without modifying the existing infrastructure. In...
5711007 Method and apparatus for transmitting an outbound message in a two-way messaging system  
A method and apparatus is used for transmitting an outbound message (408) in a two-way messaging system having a plurality of cells employing frequency reuse. The controller (112) of the two-way...
5710976 Method and apparatus for reducing noise interference to improve outbound message reliability in a two-way messaging system  
A method and apparatus is used for transmitting an outbound message in a two-way messaging system having a plurality of cells employing frequency reuse. The outbound message is transmitted to a...
5706331 System and method for selecting a subsystem for message traffic in an integrated communication network  
A system and method are shown for selecting an outbound subsystem and an inbound subsystem to be used to communicate between a subscriber unit (10) and an integrated communication system having a...
5706211 Message communications system  
A messaging system (10) is provided that comprises an RF transmission system (12). The RF transmission system (12) comprises an RF control system (14) which receives message traffic from a...
5703571 Selective call transceiver with customized canned messages  
A SCT (Selective Call Transceiver) (10) includes a memory (54) which stores a list (60) of addressees with whom the SCT user normally communicates. The memory also stores, for each of selected...
5699053 Person paging method  
A paging method in which a first user wishes to page and transmit a message to a second user with the aid of a paging service. The first user requests paging of the second user at a paging central...
5697060 Portable voice message terminal capable of transmitting pre-set text-based information  
A portable wireless voice message transmitter over packet switched network for transmitting a voice message is provided. The transmitter is capable of transmitting a voice message and text-based...
5696497 Radio with silent and audible alerts  
An alerting device, such as a radio (10), activates, responsive to the times when an information signal (12) is received, a silent alert, via a vibrator (24), during a first predetermined time...
5689807 Paging method and apparatus  
A two-way paging system utilizes four local frequencies for transmissions between pager units (22) and a central control station (20). A first local frequency (f 1 ) carries a local clock; a second...
5684859 Method and apparatus for downloading location specific information to selective call receivers  
A selective call system (100) has a plurality of base sites (120-124) for communicating with a plurality of selective call receivers (108) with acknowledge-back capability. A base site transmitter...
5673036 Selective call receiver memory validation and acknowledgement and method therefor  
Method and apparatus in a selective call system for storing received messages in at least one receiving unit having memory and for processing a command to validate memory (358) when the receiving...
5663715 Synchronized paging system  
A two-way paging system includes a paging terminal and one or more transmitters and receivers. The paging terminal, transmitter and receiver are synchronized to a common clock reference which is...
5654942 Wireless voice messaging device for use with cassette player  
A wireless voice messaging device including a cassette-shaped body adapted to be inserted into a cassette player in lieu of a cassette. A receiver for receiving incoming call signals including at...
5644626 Apparatus and method for connecting telephone calls using automated paging and call bridging  
An improvement in the transparency of personal telecommunications over the prior art is achieved by automatically placing a return call from a personal communications unit of a called individual in...
5640442 Technique for determining propagating and clear frequency to be used in wide area wireless data communications network  
A two-way communications system that provides ubiquitous wireless data communication services, such as throughout the continental United States, by using a network of only a few, widely distributed...
5638450 Method and apparatus for establishing two way communications between a pager device and a paging service provider  
A two way communications path is established between a pager device and a paging service provider. The pager device generates a control command for the paging service provider, converts the control...
5634196 Radio call history list  
A method and two-way radio apparatus are disclosed which provide for the storage and recollection of call history information, in a call history memory, based on a system ID codes and group ID...
5631635 Message/response tracking system and method for a two-way selective call receiving device  
A two-way selective call receiving device is responsive to the receipt of a message with an identifier falling within a limited set of possible identifiers in order to control the ability of the...
5613212 Paging method and apparatus  
A two-way paging system utilizes four local frequencies for transmissions between pager units (22) and a central control station (20). A first local frequency (f 1 ) carries a local clock; a second...
5612682 Method and apparatus for controlling utilization of a process added to a portable communication device  
A method and apparatus in a communication system operated by a service provider controls utilization of a module (602, 606) added to a portable communication device (122) including a transceiver...
5604921 Radiotelephone user interface for broadcast short message service  
This invention pertains to a method for operating a radiotelephone for receiving digitally encoded broadcast messages from a radio channel, and also to a radiotelephone that operates in accordance...
5585952 Communication apparatus automatically selecting one of two operation modes  
A communication apparatus includes a memory. The memory stores the protocol of an ASK system and the protocol of an IrDA system. These protocols require predetermined time periods of T1 and T2...
5581366 Method and apparatus for originating a facsimile message in a selective call receiver  
A selective call receiver (12) having a pen input capable display screen (50) for inputting a message by pen stylus (60) to be facsimile transmitted. A auxiliary cradle unit (13) is provided which...
5574771 Integrated communication system  
A telephone or two-way digital paging communication system providing an alternative partial communication format in which an acknowledgement signal is transmitted from a telephone device in...
5555446 Selective call receiver capable of requesting information from a communication system and method therefor  
A communication system has a base station having memory for storing information within a plurality of information files relating to a plurality of information services. A receiver receives an...
5542115 Paging method and apparatus  
A two-way paging system utilizes four local frequencies for transmissions between pager units (22) and a central control station (20). A first local frequency (f 1 ) carries a local clock; a second...
5537683 Radio paging system with antenna pattern exhibiting high diversity gain  
A radio paging system includes one or more transmitters (12) for sending radio signals to pagers (14) within a paging service area (10). Receivers (22) are located within the service area to...
5493283 Locating and authentication system  
A system for locating any mobile body of a plurality thereof within a predetermined environment, wherein each mobile body carries a transmitter (10 to 18), each transmitter producing a unique...
5491739 Methods of establishing a two-way call in a radio communication system  
A method for providing two-way calling between first and second handsets (402, 404) using a base station (406) and a paging terminal (412). The method for making the call includes storing a base...
5481590 Selection of a communication terminal for receiving an incoming call  
An apparatus that allows a pager to select a telecommunication terminal to which a telecommunications switching system terminates all incoming calls destined for the user of the pager. The...
5481255 Paging transmission system  
Method and apparatus for sending, receiving, and displaying textual and/or graphic data via an alphanumeric paging system wherein source data in binary form is converted to an alphanumeric code for...
5479408 Wireless personal paging, communications, and locating system  
A method and apparatus for sending paging signals and messages to individuals within a building and accepting responses to the messages. Messages may be initiated by electronic mail, incoming...
5471650 Radio link parameter control in wireless personal communications system  
In personal communications systems, a wireless handset user is not generally aware of the quality of the radio link to the base station when a call is in progress. Novel mechanisms are disclosed by...
5448759 Method for efficient bandwidth utilization when transceiving varying bandwidth messages  
In a communication system, a method that efficiently utilizes bandwidth of communication resources when transmitting first and second bandwidth messages to a communication unit may be accomplished...
5444671 Wristwatch with message transmitter  
In a timepiece provided with means to set the time, dates and an alarm time, and display means to indicate functions, means are foreseen to enter messages and announcements. Via a transmitter built...
5432839 Method and apparatus for forwarding selective call messages received in a first selective call service to a second selective call service  
A method, in a repeater (155) having receiving circuitry (310, 315) for selectively receiving and decoding a selective call message transmitted by a first selective call service (105) and further...
5428663 Incoming communications forwarding technique utilizing a called party location indicator  
A communications signal-transmitting device carried by a communications system user indicates the location of that user relative to other wired or wireless communications devices connected to a...
5426594 Electronic greeting card store and communication system  
An electronic greeting card communication system (100) includes a first personal communicator (102), an electronic mail server (136), and a second personal communicator (102). The first personal...
5426426 Tokens for use in data communications systems  
A system for generating and substituting tokens for frequently used phrases within the information portion of messages comprises a central control terminal (140) and a selective call receiver...
5396496 Unused time slot detection and selection in a mobile radio communication system  
A mobile radio communication system includes a plurality of base stations connected to a network through wire lines, and a plurality of mobile stations connected to the base stations through radio...
5392454 Method and apparatus for selectively enabling bi-directional communication only between a dedicated pair of transceivers  
An improved communication system (10) includes a plurality of transceivers (A, B, C, D, etc.) adapted to communicate with one another via a common communication path. Each transceiver has its own...
5390362 User extendible voice transmission paging system and operating method  
A portable paging system communicates a paging message including a first portion having at least a selective call address (406) and a first activation code (407), and a second portion having a...
5375252 Paging radio communications system and method  
A paging radio communications system includes a plurality of radio receivers, a call controller for receiving a call message which requests a connection with at least one of the radio receivers and...
5361397 Communication device and system capable of automatic programmable energizing  
The present invention allows for communication devices (106 and 108) operating in a communication system (100) to be guaranteed of not missing any important system message sent by the communication...
5335246 Pager with reverse paging facility  
Position determining apparatus including at least one base station including a base transmitter which periodically transmits timing signals and a plurality of mobile remote units. Each remote unit...
5327580 Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode  
A microcomputer within a duplex RF transceiver operates in an interrupt-driven manner to simultaneously encode and decode CTCSS signalling (with one microcomputer interrupt service routine being...
5313197 Self-diagnostic paging system  
A paging system (100) includes a transmitter (104) for transmitting first information including a transmitted page, a receiver (108) for receiving second information, and a diagnostic controller...
Matches 151 - 200 out of 271 < 1 2 3 4 5 6 >