Assignee
TELETTRA LAB TELEFON
IT·26 granted patents·597 citations·filing 1975–1991
Top patents by PatentIndex Score
26 records- 0184US5227876AMethod and system for transmitting packages of dataTELETTRA LAB TELEFON·Filed 1990·Granted Jul 13, 1993·75 cites·13 claims
- 0284US5228028ASystem including packet structure and devices for transmitting and processing output information from a signal encoderTELETTRA LAB TELEFON·Filed 1991·Granted Jul 13, 1993·106 cites·3 claims
- 0376US4937573AVariable length code and devices for high frequency transmissionTELETTRA LAB TELEFON·Filed 1987·Granted Jun 26, 1990·46 cites·5 claims
- 0473US4709979ASystem for the connection of photodetectors to optical fibersTELETTRA LAB TELEFON·Filed 1984·Granted Dec 1, 1987·35 cites·7 claims
- 0571US4057690AMethod and apparatus for detecting the presence of a speech signal on a voice channel signalTELETTRA LAB TELEFON·Filed 1976·Granted Nov 8, 1977·28 cites·34 claims
- 0666US4412325AEquipment for single band multiplexing through digital processingTELETTRA LAB TELEFON·Filed 1981·Granted Oct 25, 1983·26 cites·6 claims
- 0761US4970590ASystem and device for package multiplexing in transmission of many data flows generated by a sole algorithmTELETTRA LAB TELEFON·Filed 1989·Granted Nov 13, 1990·17 cites·3 claims
- 0859US4184095AQuartz crystal resonator with supplemental electrodes for controlling the Q factorTELETTRA LAB TELEFON·Filed 1978·Granted Jan 15, 1980·15 cites·6 claims
- 0958US4005274APulse-code modulation communication systemTELETTRA LAB TELEFON·Filed 1975·Granted Jan 25, 1977·17 cites·14 claims
- 1057US5197021ASystem and circuit for the calculation of the bidimensional discrete transformTELETTRA LAB TELEFON·Filed 1990·Granted Mar 23, 1993·31 cites·2 claims
- 1155US4371083AUniversal rack for housing telecommunication equipmentTELETTRA LAB TELEFON·Filed 1980·Granted Feb 1, 1983·18 cites·6 claims
- 1251US4677402APluricavities microwave filter having cavities oriented in a sawtooth configurationTELETTRA LAB TELEFON·Filed 1984·Granted Jun 30, 1987·16 cites·16 claims
- 1350US4635260AData transmission telemonitoring equipment and systemTELETTRA LAB TELEFON·Filed 1984·Granted Jan 6, 1987·20 cites·16 claims
- 1447US4899352ASystem and device to interface asynchronous apparatusesTELETTRA LAB TELEFON·Filed 1987·Granted Feb 6, 1990·19 cites·5 claims
- 1546US4871687AMethod of fabricating a MESFET transistor with gate spaced above source electrode by layer of air or the likeTELETTRA LAB TELEFON·Filed 1988·Granted Oct 3, 1989·16 cites·4 claims
- 1645US4755804ASystem for feeding and controlling low intensity obstruction lightsTELETTRA LAB TELEFON·Filed 1986·Granted Jul 5, 1988·16 cites·6 claims
- 1743US4993021AAutomatic transmit power level control in radio linksTELETTRA LAB TELEFON·Filed 1989·Granted Feb 12, 1991·43 cites·5 claims
- 1838US4807002AMesfet transistor with gate spaced above source electrode by layer of air or the like method of fabricating sameTELETTRA LAB TELEFON·Filed 1988·Granted Feb 21, 1989·10 cites·12 claims
- 1937US4625185AResonant circuit for the extraction of the clock frequency oscillation from the data flowTELETTRA LAB TELEFON·Filed 1984·Granted Nov 25, 1986·10 cites·4 claims
- 2033US5146462ASystem and devices for transmitting signals consisting of data blocksTELETTRA LAB TELEFON·Filed 1989·Granted Sep 8, 1992·4 cites·1 claims
- 2129US4578790ASystem and equipment for single side band multiplexing through digital processingTELETTRA LAB TELEFON·Filed 1983·Granted Mar 25, 1986·4 cites·9 claims
- 2229US4504107APitch variators for sub-rack connectorsTELETTRA LAB TELEFON·Filed 1983·Granted Mar 12, 1985·4 cites·17 claims
- 2327US4454489ATemperature stabilized microwave cavitiesTELETTRA LAB TELEFON·Filed 1981·Granted Jun 12, 1984·6 cites·5 claims
- 2426US4991164AAutomatic transmit power level control in radio linksTELETTRA LAB TELEFON·Filed 1989·Granted Feb 5, 1991·15 cites·5 claims
- 2522US5025460ASystem and circuits for the processing and transmission of a clock signal, in particular of the video synchronization frequencyTELETTRA LAB TELEFON·Filed 1989·Granted Jun 18, 1991·0 cites·9 claims
- 2621US4894710ASystem for processing color television signals with amplitude modulation encoded chrominance informationTELETTRA LAB TELEFON·Filed 1987·Granted Jan 16, 1990·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when TELETTRA LAB TELEFON files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →