Matches 51 - 68 out of 68 < 1 2


Match Document Document Title
5487100 Electronic mail message delivery system  
An electronic mail message delivery system (100) includes an electronic mail network (113) for delivering electronic mail messages from originating devices to destination devices, the electronic...
5457732 Method and apparatus for delivery of a response in a messaging system  
A system controller (102) operates in a messaging system (100) to deliver a response to a message. The response is communicated to a messaging terminal (115) at a response telephone number. The...
5444438 Method and apparatus for remote memory management in an acknowledge-back selective call communication system  
A method and apparatus perform remote memory management in an acknowledge-back selective call communication system (100) comprising an infrastructure (102) and a selective call receiver (120). The...
5396537 Reliable message delivery system  
A method and apparatus for reliably delivering messages (200) from a central terminal (102) to a communication receiver (130) in a communication system (100), such as an electronic mail system....
5153582 Method of and apparatus for acknowledging and answering a paging signal  
A paging system with a remote pager which includes a transmitter with a plurality of individually selectable encoded acknowledge signals. The system includes apparatus at the paging terminal for...
5012234 User activated memory programming authorization in a selective call receiver  
A selective call receiver with memory is described for use in a system providing user initiated alteration of the content of the memory using reconfiguration information transmitted from an...
4897714 Passenger vehicle service system  
A system and method for providing service in a passenger vehicle having a plurality of passaenger seats. Tree-structured menu data are transmitted from a head end apparatus to a plurality of...
4891637 Acknowledge back pager with apparatus for controlling transmit frequency  
An acknowledge back (ack-back) pager is provided for use in a paging system including a central station which transmits a group of message signals to a group of ack-back pagers which are addressed...
4882579 Code division multiplexed acknowledge back paging system  
An acknowledge back (ack-back) paging system is provided which includes a central station which transmits a group of message signals to an group of ack-back pagers which are addressed as a group....
4875038 Frequency division multiplexed acknowledge back paging system  
An acknowledge back (ack-back) paging system is provided which includes a central station which transmits a group of message signals to a group of ack-back pagers which are addressed as a group....
4823123 Knowledge back pager with frequency control apparatus  
An acknowledge back (ack-back) pager is provide for use in a paging system which includes a central station which transmits a group of message signals to a group of ack-back pagers which are...
4811379 Speak back paging system  
A paging system is provided having page transmission means responsive to a message origination device for transmitting selective call paging signals and messages. A query signal is also...
4495647 Digital voice storage mobile  
A digital voice storage mobile control terminal adapted for use in multiple unit land mobile radio communications system. The mobile control terminal utilizes up to eight 64K dynamic RAMs to store...
4468813 Digital voice storage system  
A digital voice storage system adapted for use in a multiple unit land mobile radio communications system. The system utilizes a PSK signalling system with fixed length data packets to control a...
4408099 Radio paging system capable of accepting message with access of paging receiver  
A radio paging system calls a paged receiver from a first telephone, with signals sent by way of a paging terminal. Paging is carried out by the steps of (a) sending a paging signal assigned to...
4356484 Method for transmitting data in a time multiplex transmission  
A method for transmitting data between at least one central office and a plurality of mobile radio stations via a relay station by a time multiplex transmission procedure in which signals are...
4352955 Control signal transmission system for use in a mobile radio communication system  
A control signal transmission system for mobile radio communications uses a plurality of control channels extending between a plurality of mobile units and at least one control center. The control...
4079365 Group response and indication system  
A system is provided whereby each person in a group is provided with a response unit comprising push buttons to indicate a response or answer selected from a plurality of possible answers to a...

Matches 51 - 68 out of 68 < 1 2