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Class Information
Number: 340/825.52
Name: Communications: electrical > Selective > Addressing
Description: Subject matter having plural controlled devices at distinct locations, each one of the devices being controlled by one or more unique signals whereby the individual devices may be controlled over a common communication channel.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4873518 |
Pulse width discriminating circuit |
Oct. 10, 1989 |
| 4872204 |
Method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a |
Oct. 3, 1989 |
| 4872006 |
Data transmission system |
Oct. 3, 1989 |
| 4866421 |
Communications circuit having an interface for external address decoding |
Sep. 12, 1989 |
| 4866699 |
Optical telecommunications system using code division multiple access |
Sep. 12, 1989 |
| 4860003 |
Communication system having a packet structure field |
Aug. 22, 1989 |
| 4860006 |
Heartbeat collision avoidance method and circuit |
Aug. 22, 1989 |
| 4860004 |
Digital selective calling receiver having a selectively attachable device for multiple independent address decoding capability |
Aug. 22, 1989 |
| 4856091 |
Radiation-coupled daisy chain |
Aug. 8, 1989 |
| 4853686 |
Method and apparatus for establishing a connection in shortwave radio networks |
Aug. 1, 1989 |
| 4850018 |
Security system with enhanced protection against compromising |
Jul. 18, 1989 |
| 4849752 |
Method and apparatus for circuit units |
Jul. 18, 1989 |
| 4847613 |
Data transfer apparatus |
Jul. 11, 1989 |
| 4836317 |
Method for distributing current address tables in "n" ring-shaped networks |
Jun. 6, 1989 |
| 4833605 |
Cascaded information processing module having operation unit, parallel port, and serial port for concurrent data transfer and data processing |
May. 23, 1989 |
| 4831358 |
Communications system employing control line minimization |
May. 16, 1989 |
| 4831516 |
Data transmission system between a main CPU board having a wait signal generating latch and a plurality of CPU boards |
May. 16, 1989 |
| 4829471 |
Data load sequencer for multiple data line serializer |
May. 9, 1989 |
| 4827257 |
Identification circuit |
May. 2, 1989 |
| 4827256 |
Sound transmission method for data way system |
May. 2, 1989 |
| 4825204 |
Address setting and data transmission system |
Apr. 25, 1989 |
| 4823124 |
Lan controller proprietary bus |
Apr. 18, 1989 |
| 4818984 |
Broadcasting messages in a distributed processing system |
Apr. 4, 1989 |
| 4817190 |
Method for dynamically regrouping subscribers on a communications system |
Mar. 28, 1989 |
| 4816808 |
Fire alarm system |
Mar. 28, 1989 |
| 4816826 |
Digital telephone switching system having a message switch with address translation |
Mar. 28, 1989 |
| 4815119 |
Testing transmission links |
Mar. 21, 1989 |
| 4811015 |
Abnormal data transmission detection circuit for time-division multiplex transmission network system |
Mar. 7, 1989 |
| 4808994 |
Logic interchange system |
Feb. 28, 1989 |
| 4801934 |
Method and apparatus for transmission of data with data reduction |
Jan. 31, 1989 |
| 4801786 |
Checking system and method for verifying checking stations in a monitoring system |
Jan. 31, 1989 |
| 4800384 |
Arrangement for identifying peripheral apparatus such as work stations printers and such like, which can optionally be connected in geographically different locations to a communication networ |
Jan. 24, 1989 |
| 4799052 |
Method for communicating data on a communication network by token passing |
Jan. 17, 1989 |
| 4799218 |
Network system |
Jan. 17, 1989 |
| 4796022 |
Double transit bus system |
Jan. 3, 1989 |
| 4787025 |
Remote fan out facility for data terminals |
Nov. 22, 1988 |
| 4783657 |
Processor intercommunication network |
Nov. 8, 1988 |
| 4780873 |
Circuit switching network with routing nodes |
Oct. 25, 1988 |
| 4780872 |
Remote supervisory and controlling system |
Oct. 25, 1988 |
| 4779092 |
Method and apparatus for effecting multi-station data transmission having a variable next station address |
Oct. 18, 1988 |
| 4773001 |
Method and apparatus for communicating with remote units of a distributive data processing system |
Sep. 20, 1988 |
| 4771286 |
Lan controller having split bus design |
Sep. 13, 1988 |
| 4761646 |
Method and system for addressing and controlling a network of modems |
Aug. 2, 1988 |
| 4760572 |
Limited multicast communication method and communication network system realizing the method |
Jul. 26, 1988 |
| 4755792 |
Security control system |
Jul. 5, 1988 |
| 4751510 |
Method and system for controlling a network of modems |
Jun. 14, 1988 |
| 4750115 |
Data communication system between two different data transmission systems |
Jun. 7, 1988 |
| 4746918 |
Split bus system interface |
May. 24, 1988 |
| 4742572 |
Optical fiber data link system |
May. 3, 1988 |
| 4740835 |
Wire-tap preventing apparatus for community antenna television terminals |
Apr. 26, 1988 |
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