FR799521A - Dispositifs d'amplificateurs d'ondes électriques - Google Patents
Dispositifs d'amplificateurs d'ondes électriquesInfo
- Publication number
- FR799521A FR799521A FR799521DA FR799521A FR 799521 A FR799521 A FR 799521A FR 799521D A FR799521D A FR 799521DA FR 799521 A FR799521 A FR 799521A
- Authority
- FR
- France
- Prior art keywords
- electric wave
- wave amplifier
- amplifier devices
- devices
- electric
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q27/00—Geometrical mechanisms for the production of work of particular shapes, not fully provided for in another subclass
- B23Q27/003—Geometrical mechanisms for the production of work of particular shapes, not fully provided for in another subclass of conical non-circular section manufactured by an apparatus with a first rotational cutting vector and a second linear feed vector, intersecting the first vector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/12—Cutter blocks; Other rotary cutting tools for profile cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1928—Tool adjustable relative to holder
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Power Engineering (AREA)
- Milling Processes (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29954/28A GB321306A (en) | 1928-10-17 | 1928-10-17 | An improved milling machine attachment |
| US201773XA | 1935-01-22 | 1935-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR799521A true FR799521A (fr) | 1936-06-15 |
Family
ID=26316228
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR683339D Expired FR683339A (fr) | 1928-10-17 | 1929-10-15 | Porte-couteaux pour le fraisage des segments de coussinets en bois de gaïac et les applications analogues |
| FR799521D Expired FR799521A (fr) | 1928-10-17 | 1935-12-17 | Dispositifs d'amplificateurs d'ondes électriques |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR683339D Expired FR683339A (fr) | 1928-10-17 | 1929-10-15 | Porte-couteaux pour le fraisage des segments de coussinets en bois de gaïac et les applications analogues |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US1830128A (fr) |
| BE (1) | BE364572A (fr) |
| CH (1) | CH201773A (fr) |
| DE (1) | DE553957C (fr) |
| FR (2) | FR683339A (fr) |
| GB (1) | GB321306A (fr) |
| NL (1) | NL28286C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE881532C (de) * | 1948-06-12 | 1953-07-02 | Csf | Ultrakurzwellenschaltung, insbesondere Verstaerkerschaltung, unter Verwendung einer Wanderfeldroehre mit einem Wellenleiter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975744C (de) * | 1940-11-14 | 1962-07-19 | Philips Nv | Kurzwellenroehre mit nach aussen fortgesetzten und als Schwingungskreis ausgebildeten Elektroden |
| BE469122A (fr) * | 1946-01-11 | Western Electric Co | ||
| FR2174350A5 (fr) * | 1972-02-29 | 1973-10-12 | Gresset Andre | |
| ATE202029T1 (de) * | 1997-04-12 | 2001-06-15 | Ledermann & Co | Fräswerkzeug zur bearbeitung von werkstücken aus holz, einem holzwerkstoff, einem kunststoff oder dergleichen |
-
1928
- 1928-10-17 GB GB29954/28A patent/GB321306A/en not_active Expired
-
1929
- 1929-10-12 US US399279A patent/US1830128A/en not_active Expired - Lifetime
- 1929-10-15 FR FR683339D patent/FR683339A/fr not_active Expired
- 1929-10-15 NL NL48518A patent/NL28286C/xx active
- 1929-10-18 DE DEN31038D patent/DE553957C/de not_active Expired
- 1929-10-27 BE BE364572D patent/BE364572A/xx unknown
-
1935
- 1935-12-17 FR FR799521D patent/FR799521A/fr not_active Expired
-
1936
- 1936-01-22 CH CH201773D patent/CH201773A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE881532C (de) * | 1948-06-12 | 1953-07-02 | Csf | Ultrakurzwellenschaltung, insbesondere Verstaerkerschaltung, unter Verwendung einer Wanderfeldroehre mit einem Wellenleiter |
Also Published As
| Publication number | Publication date |
|---|---|
| NL28286C (fr) | 1932-11-15 |
| US1830128A (en) | 1931-11-03 |
| DE553957C (de) | 1932-07-02 |
| BE364572A (fr) | 1929-11-30 |
| GB321306A (en) | 1929-11-07 |
| CH201773A (de) | 1938-12-15 |
| FR683339A (fr) | 1930-06-11 |
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