| Patent Number |
Title Of Patent |
Date Issued |
| D365560 |
Telephone set |
December 26, 1995 |
|
| 5852735 |
Method and apparatus for exchanging a program over a network computer system that permits reacti |
December 22, 1998 |
| A method for a program-package change in a multicomputer system (MRS) and a computer (PR1) for the multicomputer system (MRS) are disclosed. During the program-package change, the interruption of the processes being controlled by the multicomputer system (MRS) is to be kept as short as |
| 5784450 |
Method of establishing a connection to a subscriber through a first network, as well as service |
July 21, 1998 |
| A method for the establishment of a connection from a first network to a second network. During call set-up, a part (N3) of the call number assigned to a subscriber (B) is transmitted from a first network (PUBNET) to a second network (PRNET) using a method different from that used to |
| 5781597 |
Synchronous digital transmission system having justification circuit that counts frame bytes, ca |
July 14, 1998 |
| A synchronous digital transmission system has network nodes each operating at a respective fixed internal clock rate, each with a justification device for adapting an incoming signal to the respective fixed internal clock rate thereof by positive or negative justification actions, and fo |
| 5663988 |
Method and circuit arrangement for offset correction in a TDMA radio receiver |
September 2, 1997 |
| The levels of received time-division multiple access (TDMA) signals may vary widely from section to section. In DC-coupled amplifier circuits, the received signals are distorted by offset voltages. Conventional correcting or balancing methods use control mechanisms which do not allow for |
| 5630209 |
Emergency call system |
May 13, 1997 |
| An emergency call system includes a wireless telecommunication network having predetermined radio channels, at least one wireless emergency call transmission device for reading emergency data and transmitting the data in an emergency call message on at least one of the radio channels, an |
| 5629925 |
Method of operating a switching network, as well as switching network and exchange therefor |
May 13, 1997 |
| A method of operating a switching network, a switching network, and an exchange with such a switching network are described. The switching network consists of several switching modules and an interconnect network between these switching modules. The interconnect network includes a sw |
| 5629509 |
Axle counter with variable threshold setting |
May 13, 1997 |
| An axle counter which compares axle passage pulses generated in an electromagnetic rail contact with a predetermined threshold value and, when this threshold value is exceeded, feeds an axle counter pulse to presence-of-trains indicating equipment, is equipped with overwritable memor |
| 5621895 |
Frame-structured bus system for transmitting both synchronous and asynchronous data over a star- |
April 15, 1997 |
| A frame-structured bus system, particularly for a local operation network for automotive applications, is disclosed in which a plurality of bus stations share a data bus, and in which one of the bus stations generates a sequence of data frames of constant bit length. Each data frame incl |
| 5616965 |
Electro-pneumatic bus |
April 1, 1997 |
| Apparatus for controlling and adjusting an arbitrary number of adjustment units for a motor vehicle includes an electro-pneumatic bus to which are connected in arbitrary sequence, both electrically and pneumatically, all the pertinent adjusting units. The electro-pneumatic bus is compose |
| 5592535 |
Mobile-radio network with debit accounts |
January 7, 1997 |
| A mobile-radio network (MRS) includes a mobile switching center (MSC) for receiving incoming calls from mobile-radio subscribers (A). In response to the incoming calls, certain ones of the incoming calls are selected if the respective mobile-radio subscriber (A) has a debit account assig |
| 5577101 |
Telepoint system which charges an account of the subscriber rather charging an account of the pr |
November 19, 1996 |
| Provision of an area-covering, low-cost infrastructure for a telepoint system. Use of public telepoint base stations (TP) and private base stations (1, 2, 3). Every subscriber can make a call via any private base station or any telepoint base station. |
| 5561853 |
Method and apparatus for determining the assignment of a mobile station to equipment lists |
October 1, 1996 |
| In the prior art, equipment lists (B, G, W) are searched successively, or a list is searched which contains all equipment numbers (MEI.sub.1 to MEI.sub.n) along with the respective equipment lists to which they are assigned. Thus mobile stations (MEI.sub.1 to ME.sub.n) are assigned to on |
| 5530389 |
Circuit arrangement for a clock generator |
June 25, 1996 |
| To ensure error-free transmission of digital information, very stringent requirements are placed on the accuracy and stability of the clock generators. It is known to use microprocessor-controlled digital phase-locked loops for this purpose, which contain costly high-stability crysta |
| 5521923 |
Method and facility for temporarily storing data packets, and exchange with such a facility |
May 28, 1996 |
| A method is provided for temporarily storing data packets, in which incoming data packets (D1, D2, D3) are distributed to and temporarily stored in two or more logic queues (QU1, QU2) on the basis of data (P1, P2) contained in the incoming data packets (D1, D2, D3), and in which all |
| 5517232 |
Cable television distribution network with video-on-demand transmission |
May 14, 1996 |
| It is desirable to offer the subscribers of a cable television distribution network, in addition to the cable TV service, a video-on-demand service. Since, in the foreseeable future, the fiber-optic portion of the cable television distribution networks will not extend to the subscribers |
| 5502586 |
Optical network including branch points featuring three interconnected bidirectional optical wav |
March 26, 1996 |
| A fiber-optic network has a branching net in which only three optical waveguides are interconnected at each of a plurality of active or passive branch points (A, B). The branch points are designed to permit bidirectional transmission in each of three paths. Subscriber facilities (F) |
| 5500755 |
Compensation device |
March 19, 1996 |
| The compensation device is used in an optical network where signals are transmitted from a main station (M) to one or a plurality of user stations (US1 to US3). It compensates for analog optical signal distortion caused by laser chirp of a laser in the main station (M) which generates sa |
| 5497385 |
Optical microwave generator |
March 5, 1996 |
| The invention relates to a microwave generator which is characterized by a multimode fiber ring laser (1) having associated with it an intermediate-frequency device (22) which generates the microwave frequency by forming the difference of the frequencies assigned to the modes. |
| 5490212 |
Call-routing method for a virtual private network as well as service computer and exchange there |
February 6, 1996 |
| A call-routing method for a virtual private network consisting of two or more private communication units which are interconnected via switched connections of a public network as required, wherein to switch the switched connections, a service is dialled which then initiates further s |
| 5483578 |
Method of managing a speech memory, and assembly therefor |
January 9, 1996 |
| A method of managing a speech memory (VMEM) and an assembly therefor are disclosed. To enable a plurality of users (U1, U2, U3, U4) to access the speech memory, the latter is divided into user memory areas (S1, S2, S3, S4) and a common memory area (SALL). By adding a portion (S4') of the |
| 5475521 |
Optical communication system with monitoring device for avoiding giant pluses |
December 12, 1995 |
| If, in optical communication systems using fiber-optic amplifiers, the optical isolator at the input is omitted on cost grounds and because of the deterioration of the noise characteristics caused by the insertion loss, a giant pulse may be developed when a fiber-optic connector at the |
| 5442479 |
Fiber-optic amplifier with a facility for monitoring the pump power and input power |
August 15, 1995 |
| In fiber-optic amplifiers, various parameters, such as the input power, are measured to obtain information on the operating condition of the transmission link and of the fiber-optic amplifier itself. In prior art fiber-optic amplifiers, a portion of the input power is coupled out for |
| 5377284 |
Interferometric optical switch |
December 27, 1994 |
| For so-called add-drop multiplexers, fast optical switches (SCH) are needed which can switch optical signal waves stemming from different signal sources. Known optical switches include an interferometer in which the signal wave is split into two signals, and in which an optical switching |
| 5363109 |
Method of correcting measurement errors caused by clock deviations in a secondary radar system |
November 8, 1994 |
| Conventional secondary radar systems use mechanically rotating antennas to radiate a concentrated beam that rotates in a horizontal plane. Data exchange between ground stations and airborne transponders can only take place if the aircraft is struck by the antenna lobe. The distance from |
| 5337059 |
Apparatus and method for determining the aperture illumination of a phased-array antenna |
August 9, 1994 |
| An apparatus and method are disclosed for determining an aperture illumination of a phased-array antenna. The apparatus and method evaluate a monitor signal obtained from a first output (A1) of a monitor waveguide (MH). The apparatus and method are also suited for antennas having a very |
| 5323165 |
Two-frequency transmitting apparatus with tone-modulation phasing for an instrument landing syst |
June 21, 1994 |
| Two-frequency transmitting apparatus (S1, S2, LA) for instrument-landing systems is insensitive to so-called difference in depth of modulation (DDM) distortions caused by reflections of a clearance signal from obstacles (H) located near the runway (RW). This insensitivity is achieved |
