Televerket
36Patents
0Active
36Granted
37Portfolio score
Filing activity: Mar 27, 1985 → May 28, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5293640A | Method for planning radio cells | Electricity | 109 | Expired |
| US5561850A | Method and arrangement for reducing fading between a base station and mobile units | Electricity | 71 | Expired |
| US5307411A | Means for identification and exchange of encryption keys | Electricity | 56 | Expired |
| US5742929A | Arrangement for comparing subjective dialogue quality in mobile telephone systems | Electricity | 44 | Expired |
| US5694451A | Method and an arrangement for performance monitoring in a telecommunications network | Electricity | 42 | Expired |
| US5507007A | Method of distributing capacity in a radio cell system | Electricity | 41 | Expired |
| US6327551A | System design method | Physics | 38 | Expired |
| US5434950A | Method for making handover decisions in a radio communications network | Electricity | 33 | Expired |
| US4922510A | Method and means for variable length coding | Electricity | 30 | Expired |
| US5243650A | Method and apparatus for encryption/decryption of digital multisound in television | Physics | 27 | Expired |
| US5307510A | Method for determining the degree of coverage in a mobile radio system | Electricity | 26 | Expired |
| US5537097A | Method for transferring messages in a one-way communication system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5418843A | Method for estimating traffic density in mobile telephone networks | Electricity | 23 | Expired |
| US5617482A | Method of motion compensation and elastic deformation in picture sequences | Electricity | 23 | Expired |
| USD290700S | Telephone set | General | 20 | Expired |
| US5442804A | Method for resource allocation in a radio system | Electricity | 19 | Expired |
| US5452103A | Method and a device for image coding | Electricity | 19 | Expired |
| US5603092A | Method for estimating C/I density and interference probability in the uplink | Electricity | 17 | Expired |
| US5548714A | Means for structuring technical information in establishing a knowledge base and troubleshooting in technical equipment | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5151704A | Method for simulating the effect of alternative antenna patterns on the coverage and interference pattern of a mobile radio system | Electricity | 12 | Expired |
| US4837617A | Method and means for coding and decoding picture information | Electricity | 10 | Expired |
| US5659664A | Speech synthesis with weighted parameters at phoneme boundaries | Physics | 9 | Expired |
| US5347606A | Method and an arrangement for splicing optical waveguides | Physics | 9 | Expired |
| US5504849A | Method of moving a pixel a subpixel distance | Electricity | 7 | Expired |
| US5625866A | Mobile telecommunication system having an auxiliary routing arrangement | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.