GB1297549A - - Google Patents
Info
- Publication number
- GB1297549A GB1297549A GB1297549DA GB1297549A GB 1297549 A GB1297549 A GB 1297549A GB 1297549D A GB1297549D A GB 1297549DA GB 1297549 A GB1297549 A GB 1297549A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helices
- helix
- main
- dec
- ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 239000011295 pitch Substances 0.000 abstract 1
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
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/26—Helical slow-wave structures; Adjustment therefor
Landscapes
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6943510A FR2075837A1 (enrdf_load_stackoverflow) | 1969-12-16 | 1969-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1297549A true GB1297549A (enrdf_load_stackoverflow) | 1972-11-22 |
Family
ID=9044647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1297549D Expired GB1297549A (enrdf_load_stackoverflow) | 1969-12-16 | 1970-12-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3666984A (enrdf_load_stackoverflow) |
| DE (1) | DE2062013A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2075837A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1297549A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158791A (en) * | 1977-02-10 | 1979-06-19 | Varian Associates, Inc. | Helix traveling wave tubes with resonant loss |
| FR2532109A1 (fr) * | 1982-08-20 | 1984-02-24 | Thomson Csf | Tube a onde progressive comportant des moyens de suppression des oscillations parasites |
| CN115472478B (zh) * | 2022-10-13 | 2024-11-15 | 中国电子科技集团公司第十二研究所 | 一种双路螺旋线慢波互作用结构及行波管 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE491242A (enrdf_load_stackoverflow) * | 1948-12-10 | |||
| US2824257A (en) * | 1953-03-03 | 1958-02-18 | Gen Electric | Traveling wave tube |
| US2834908A (en) * | 1953-06-09 | 1958-05-13 | Bell Telephone Labor Inc | Traveling wave tube |
| US2887609A (en) * | 1954-10-08 | 1959-05-19 | Rca Corp | Traveling wave tube |
| US2823333A (en) * | 1954-10-29 | 1958-02-11 | Bell Telephone Labor Inc | Traveling wave tube |
| US3054017A (en) * | 1957-05-06 | 1962-09-11 | Gen Electric | Electron discharge devices |
| US2971114A (en) * | 1959-07-23 | 1961-02-07 | Daniel G Dow | Helically-strapped multifilar helices |
| US3427495A (en) * | 1965-12-15 | 1969-02-11 | Sfd Lab Inc | Dual helix coupled periodic circuits and tubes using same |
-
1969
- 1969-12-16 FR FR6943510A patent/FR2075837A1/fr not_active Withdrawn
-
1970
- 1970-12-09 GB GB1297549D patent/GB1297549A/en not_active Expired
- 1970-12-16 DE DE19702062013 patent/DE2062013A1/de active Pending
- 1970-12-16 US US98615A patent/US3666984A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2062013A1 (de) | 1971-06-24 |
| US3666984A (en) | 1972-05-30 |
| FR2075837A1 (enrdf_load_stackoverflow) | 1971-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |