FR575004A - Lampes à trois électrodes - Google Patents

Lampes à trois électrodes

Info

Publication number: FR575004A
Authority: FR; France
Prior art keywords: electrode lamps; lamps; electrode
Prior art date: 1923-01-08
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Westinghouse Electric Corp

Original Assignee

Westinghouse Electric Corp

Westinghouse Electric and Manufacturing Co

Priority date (The priority date 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 date listed.)

1923-01-08

Filing date

1923-12-20

Publication date

1924-07-23

1923-12-20 Application filed by Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp

1924-07-23 Application granted granted Critical

1924-07-23 Publication of FR575004A publication Critical patent/FR575004A/fr

Status Expired legal-status Critical Current

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)
Measuring Fluid Pressure (AREA)
Microwave Tubes (AREA)
Solid Thermionic Cathode (AREA)
Electron Sources, Ion Sources (AREA)

FR575004D 1923-01-08 1923-12-20 Lampes à trois électrodes Expired FR575004A (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US611263A US1909051A (en)	1923-01-08	1923-01-08	Thermionic vacuum tube
US120582A US1877838A (en)	1923-01-08	1926-07-06	Hot cathode electron discharge tube
US120579A US1917963A (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
FR575004A true FR575004A (fr)	1924-07-23

Family

ID=27537578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR575004D Expired FR575004A (fr)	1923-01-08	1923-12-20	Lampes à trois électrodes

Country Status (4)

Country	Link
US (5)	US1909051A (fr)
FR (1)	FR575004A (fr)
GB (1)	GB209415A (fr)
NL (1)	NL15733C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE745678C (de) *	1932-01-17	1944-11-30		Indirekt geheizte Kathode fuer Braunsche Roehren
DE760248C (de) *	1933-11-08	1953-10-19	Georg Seibt Nachf Dr	Indirekt geheizte Kathode fuer Kathodenstrahlroehren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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/fr 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE745678C (de) *	1932-01-17	1944-11-30		Indirekt geheizte Kathode fuer Braunsche Roehren
DE760248C (de) *	1933-11-08	1953-10-19	Georg Seibt Nachf Dr	Indirekt geheizte Kathode fuer Kathodenstrahlroehren

Also Published As

Publication number	Publication date
US1909051A (en)	1933-05-16
GB209415A (en)	1924-09-25
US2000695A (en)	1935-05-07
US1917963A (en)	1933-07-11
NL15733C (fr)
US2018257A (en)	1935-10-22
US1877838A (en)	1932-09-20

Publication	Publication Date	Title
FR575004A (fr)	1924-07-23	Lampes à trois électrodes
FR582423A (fr)	1924-12-18	Insufflateur intestinal
FR584756A (fr)	1925-02-13	Perfectionnements aux lampes à trois électrodes
FR572044A (fr)	1924-05-28	Thermo-microphone à air
FR624447A (fr)	1927-07-18	Lampe à trois électrodes
FR612272A (fr)	1926-10-20	Lampe à trois électrodes
FR565735A (fr)	1924-02-02	Mode de couplage des lampes à trois électrodes
FR567895A (fr)	1924-03-11	étui à cigarette
FR566731A (fr)	1924-02-19	Tirelire-automatique
FR589778A (fr)	1925-06-05	Perfectionnement aux lampes
FR565781A (fr)	1924-02-04	Clé à écrous
FR567018A (fr)	1924-02-23	Grattoir à plafonds
FR582982A (fr)	1925-01-03	Clé à douille
FI9506A (fi)	1923-04-06	Minimal strömbrytare
FI9544A (fi)	1923-04-06	Kinematograf
FI9518A (fi)	1923-04-06	Stockvagn
FI9444A (fi)	1923-02-09	Sammansatt vevaxel
FI9564A (fi)	1923-04-27	Barkjärn
FI9558A (fi)	1923-04-06	Dörrhake
FI9546A (fi)	1923-04-06	Luftring
FI9545A (fi)	1923-04-06	Fotografiska skiktbärare
FI9543A (fi)	1923-04-06	Ridsadel
FI9526A (fi)	1923-04-06	Konisk ringkvarn
FI9525A (fi)	1923-04-06	Ställbart vattenpass
FI9479A (fi)	1923-03-16	Förbränningsmotor

FR575004A - Lampes à trois électrodes - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (5)

Publications (1)

Family

ID=27537578

Family Applications (1)

Country Status (4)

Cited By (2)

Families Citing this family (3)

Cited By (2)

Also Published As

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