| Patent Number |
Title Of Patent |
Date Issued |
| 6834198 |
Method and device for cellular base station antenna optimization |
December 21, 2004 |
| A device for a full-duplex-capable radio transmission system with DS-CDMA access, including a central radio base station, and a plurality of subscriber stations which are independent of one another and which are each designed with at least one transmission and reception antenna, the |
| 5774460 |
Local ISDN radio transmission system |
June 30, 1998 |
| A local ISDN transmission system has a central base station and a number of subscriber radio terminals greater than the number of communication channels. The system is connectable to subscriber ports through an S.sub.0 wireless transmission interface and is responsive to an activation re |
| 5666398 |
Switching equipment and method for radiotelephone system of the local or private branch exchange |
September 9, 1997 |
| A radio telephone system is disclosed to satisfy in the short term basic telecommunication needs of areas which are insufficiently or not yet covered. The system has a number of duplex radio channels (transmission channels) substantially smaller than the number of radio telephone sub |
| 5533030 |
Radiotelephone system with the character of a local or auxiliary communications apparatus |
July 2, 1996 |
| A transmission process with specific adaptive properties in an analog or mixed analog-digital transmission system, having a fixed base station and a number of subscriber station independent of one another. Information from the base station is transmitted to the subscriber stations wherei |
| 4297599 |
Circuit arrangement for obtaining an interference-free trigger signal especially for a fuel appo |
October 27, 1981 |
| A circuit arrangement for obtaining an interference-free trigger signal such as for a fuel apportionment device from the ignition signal of an internal combustion engine, particularly one having a current-regulated final ignition stage. The output of the circuit arrangement begins when a |
