NL15733C - - Google Patents
Info
- Publication number
- NL15733C NL15733C NL15733DA NL15733C NL 15733 C NL15733 C NL 15733C NL 15733D A NL15733D A NL 15733DA NL 15733 C NL15733 C NL 15733C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Microwave Tubes (AREA)
- Measuring Fluid Pressure (AREA)
- Solid Thermionic Cathode (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US611263A US1909051A (en) | 1923-01-08 | 1923-01-08 | Thermionic vacuum tube |
US120579A US1917963A (en) | 1923-01-08 | 1926-07-06 | Hot cathode electron discharge tube |
US120582A US1877838A (en) | 1923-01-08 | 1926-07-06 | Hot cathode electron discharge tube |
US619600A US2000695A (en) | 1923-01-08 | 1932-06-24 | Hot cathode electron discharge tube |
US628696A US2018257A (en) | 1923-01-08 | 1932-08-13 | Thermionic vacuum tube |
Publications (1)
Publication Number | Publication Date |
---|---|
NL15733C true NL15733C (en) |
Family
ID=27537578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL15733D NL15733C (en) | 1923-01-08 |
Country Status (4)
Country | Link |
---|---|
US (5) | US1909051A (en) |
FR (1) | FR575004A (en) |
GB (1) | GB209415A (en) |
NL (1) | NL15733C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE745678C (en) * | 1932-01-17 | 1944-11-30 | Indirectly heated cathode for Braun tubes | |
DE760248C (en) * | 1933-11-08 | 1953-10-19 | Georg Seibt Nachf Dr | Indirectly heated cathode for cathode ray tubes |
US2475644A (en) * | 1943-08-19 | 1949-07-12 | Nora A Woodin | Electron tube |
US2437972A (en) * | 1944-06-16 | 1948-03-16 | Hartford Nat Bank & Trust Co | Electrode spacer for electron discharge tubes |
US2527826A (en) * | 1946-07-10 | 1950-10-31 | Confections Inc | Apparatus for processing kernels of popcorn |
-
0
- NL NL15733D patent/NL15733C/xx active
-
1923
- 1923-01-08 US US611263A patent/US1909051A/en not_active Expired - Lifetime
- 1923-12-20 FR FR575004D patent/FR575004A/en not_active Expired
-
1924
- 1924-01-01 GB GB48/24A patent/GB209415A/en not_active Expired
-
1926
- 1926-07-06 US US120579A patent/US1917963A/en not_active Expired - Lifetime
- 1926-07-06 US US120582A patent/US1877838A/en not_active Expired - Lifetime
-
1932
- 1932-06-24 US US619600A patent/US2000695A/en not_active Expired - Lifetime
- 1932-08-13 US US628696A patent/US2018257A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR575004A (en) | 1924-07-23 |
US2018257A (en) | 1935-10-22 |
US1917963A (en) | 1933-07-11 |
GB209415A (en) | 1924-09-25 |
US2000695A (en) | 1935-05-07 |
US1909051A (en) | 1933-05-16 |
US1877838A (en) | 1932-09-20 |