BE520612A - - Google Patents
Info
- Publication number
- BE520612A BE520612A BE520612DA BE520612A BE 520612 A BE520612 A BE 520612A BE 520612D A BE520612D A BE 520612DA BE 520612 A BE520612 A BE 520612A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US293186A US2792518A (en) | 1952-06-12 | 1952-06-12 | Low noise velocity modulation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520612A true BE520612A (xx) |
Family
ID=23128045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520612D BE520612A (xx) | 1952-06-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US2792518A (xx) |
| BE (1) | BE520612A (xx) |
| CH (1) | CH330293A (xx) |
| DE (1) | DE974964C (xx) |
| FR (1) | FR1080863A (xx) |
| GB (1) | GB739394A (xx) |
| NL (2) | NL179062B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748945A (en) * | 1949-08-12 | 1956-05-16 | Standard Telephones Cables Ltd | Improvements in or relating to electron discharge tubes |
| BE541278A (xx) * | 1953-03-26 | 1900-01-01 | ||
| US2936393A (en) * | 1956-12-28 | 1960-05-10 | Hughes Aircraft Co | Low noise traveling-wave tube |
| CA606402A (en) * | 1957-12-03 | 1960-10-04 | Hughes Aircraft Company | Low noise electron gun |
| NL269926A (xx) * | 1961-10-04 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE476787A (xx) * | 1946-10-22 | |||
| US2578434A (en) * | 1947-06-25 | 1951-12-11 | Rca Corp | High-frequency electron discharge device of the traveling wave type |
| US2632130A (en) * | 1947-11-28 | 1953-03-17 | Joseph F Hull | High current density beam tube |
| BE491242A (xx) * | 1948-12-10 | |||
| NL89376C (xx) * | 1950-06-17 |
-
0
- NL NL91447D patent/NL91447C/xx active
- US US24794D patent/USRE24794E/en not_active Expired
- BE BE520612D patent/BE520612A/xx unknown
- NL NLAANVRAGE7710731,A patent/NL179062B/xx unknown
-
1952
- 1952-06-12 US US293186A patent/US2792518A/en not_active Expired - Lifetime
-
1953
- 1953-05-23 DE DEW11278A patent/DE974964C/de not_active Expired
- 1953-06-05 FR FR1080863D patent/FR1080863A/fr not_active Expired
- 1953-06-09 GB GB15841/53A patent/GB739394A/en not_active Expired
- 1953-06-09 CH CH330293D patent/CH330293A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH330293A (fr) | 1958-05-31 |
| USRE24794E (en) | 1960-03-15 |
| DE974964C (de) | 1961-06-15 |
| GB739394A (en) | 1955-10-26 |
| US2792518A (en) | 1957-05-14 |
| FR1080863A (fr) | 1954-12-14 |
| NL179062B (nl) | |
| NL91447C (xx) |