BE522796A - - Google Patents
Info
- Publication number
- BE522796A BE522796A BE522796DA BE522796A BE 522796 A BE522796 A BE 522796A BE 522796D A BE522796D A BE 522796DA BE 522796 A BE522796 A BE 522796A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
- H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US310084A US2726370A (en) | 1952-09-17 | 1952-09-17 | Negative impedance converters employing transistors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522796A true BE522796A (me) |
Family
ID=23200934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522796D BE522796A (me) | 1952-09-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2726370A (me) |
| BE (1) | BE522796A (me) |
| CH (1) | CH326021A (me) |
| DE (1) | DE959561C (me) |
| FR (1) | FR1079265A (me) |
| GB (1) | GB743450A (me) |
| NL (1) | NL180361B (me) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL191850A (me) * | 1952-10-09 | |||
| US2919355A (en) * | 1953-12-31 | 1959-12-29 | Sylvania Electric Prod | Bi-stable transistor circuit |
| DE1073039B (de) * | 1955-10-14 | 1960-01-14 | N. V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Schaltungsanordnung zum Darstellen insbesondere einer negativen Impedanz mittels Transistoren |
| US2852680A (en) * | 1956-03-28 | 1958-09-16 | Itt | Negative-impedance transistor oscillator |
| US3100266A (en) * | 1957-02-11 | 1963-08-06 | Superior Electric Co | Transistor discriminating circuit with diode bypass means for the emitterbase circuit of each transistor |
| US2998581A (en) * | 1958-06-09 | 1961-08-29 | Automatic Elect Lab | Negative impedance repeaters having gain controls |
| US3042759A (en) * | 1959-08-05 | 1962-07-03 | Bell Telephone Labor Inc | Negative impedance repeaters |
| GB1051283A (me) * | 1964-04-15 | |||
| US3503002A (en) * | 1965-07-05 | 1970-03-24 | Cesare Valfre | Transistor negative impedance amplifier,stable in short circuit,particularly for telephone systems |
| US3470500A (en) * | 1966-11-17 | 1969-09-30 | Automatic Elect Lab | Negative resistance network |
| US3448411A (en) * | 1967-03-23 | 1969-06-03 | Marvin L Patterson | Synthetic inductor comprising a phase-shifting network for synthesizing the inductance |
| US3562561A (en) * | 1969-03-21 | 1971-02-09 | Bell Telephone Labor Inc | Shunt-type negative impedance converter with both short and open circuit stability |
| US4625186A (en) * | 1985-04-22 | 1986-11-25 | Canadian Patents And Development Limited | Two-terminal negative admittance network |
| US8022779B2 (en) * | 2009-06-09 | 2011-09-20 | Georgia Tech Research Corporation | Integrated circuit oscillators having microelectromechanical resonators therein with parasitic impedance cancellation |
| US9960484B2 (en) | 2012-06-12 | 2018-05-01 | The United States Of America As Represented By Secretary Of The Navy | Non-foster active impedance circuit for electrically small antennas |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2569347A (en) * | 1948-06-26 | 1951-09-25 | Bell Telephone Labor Inc | Circuit element utilizing semiconductive material |
| BE497800A (me) * | 1949-08-30 |
-
0
- NL NLAANVRAGE7907269,A patent/NL180361B/xx unknown
- BE BE522796D patent/BE522796A/xx unknown
-
1952
- 1952-09-17 US US310084A patent/US2726370A/en not_active Expired - Lifetime
-
1953
- 1953-04-30 FR FR1079265D patent/FR1079265A/fr not_active Expired
- 1953-06-09 DE DEW11387A patent/DE959561C/de not_active Expired
- 1953-09-10 CH CH326021D patent/CH326021A/fr unknown
- 1953-09-11 GB GB25180/53A patent/GB743450A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1079265A (fr) | 1954-11-29 |
| GB743450A (en) | 1956-01-18 |
| US2726370A (en) | 1955-12-06 |
| CH326021A (fr) | 1957-11-30 |
| NL180361B (nl) | |
| DE959561C (de) | 1957-03-07 |