BE489798A - - Google Patents
Info
- Publication number
- BE489798A BE489798A BE489798DA BE489798A BE 489798 A BE489798 A BE 489798A BE 489798D A BE489798D A BE 489798DA BE 489798 A BE489798 A BE 489798A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
- H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
- H03G9/08—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
-
- 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
- C04B35/462—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 based on titanates
- C04B35/465—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 based on titanates based on alkaline earth metal titanates
- C04B35/468—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 based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—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 based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
- H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL306761X | 1948-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE489798A true BE489798A (en) |
Family
ID=19783510
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE489797D BE489797A (en) | 1948-06-25 | ||
BE489798D BE489798A (en) | 1948-06-25 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE489797D BE489797A (en) | 1948-06-25 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2643192A (en) |
BE (2) | BE489798A (en) |
CH (1) | CH306761A (en) |
FR (1) | FR989476A (en) |
GB (1) | GB689382A (en) |
IT (1) | IT454567A (en) |
NL (1) | NL78889C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736080A (en) * | 1956-02-28 | walker etal | ||
US2738284A (en) * | 1956-03-13 | Calis | ||
GB698946A (en) * | 1950-05-26 | 1953-10-28 | Gen Electric Co Ltd | Improvements in or relating to ceramic dielectric compositions |
FR65066E (en) * | 1953-01-15 | 1956-01-26 | Csf | High Specific Inductor Ceramic Dielectric and Manufacturing Process |
US2918381A (en) * | 1955-05-24 | 1959-12-22 | British Dielectric Res Ltd | Ceramic dielectric materials |
NL92523C (en) * | 1956-10-19 | 1959-10-15 | ||
US2944910A (en) * | 1958-07-09 | 1960-07-12 | Champion Spark Plug Co | Ceramic spark plug insulator |
US3340074A (en) * | 1964-03-16 | 1967-09-05 | Corning Glass Works | Barium titanate materials |
US3529978A (en) * | 1969-09-23 | 1970-09-22 | Globe Union Inc | General purpose batio3 ceramic dielectric compositions |
JPS5873908A (en) * | 1981-10-28 | 1983-05-04 | ティーディーケイ株式会社 | High frequency dielectric porcelain composition |
JP3067815B2 (en) * | 1991-01-26 | 2000-07-24 | 日本特殊陶業株式会社 | Microwave dielectric porcelain composition |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2071452A (en) * | 1934-09-04 | 1937-02-23 | Bloch Walter | Low dielectric loss ceramic product and method of making |
US2220765A (en) * | 1937-02-06 | 1940-11-05 | Gen Electric | Vitreous material |
US2277734A (en) * | 1939-07-04 | 1942-03-31 | Titanium Alloy Mfg Co | Dielectric material and method of making the same |
US2369327A (en) * | 1941-05-24 | 1945-02-13 | Titanium Alloy Mfg Co | Ceramic preparation |
GB574577A (en) * | 1942-12-08 | 1946-01-11 | Dubilier Condenser Co 1925 Ltd | Improvements in or relating to ceramic compositions |
-
0
- BE BE489797D patent/BE489797A/xx unknown
- BE BE489798D patent/BE489798A/xx unknown
- NL NL78889D patent/NL78889C/xx active
- IT IT454567D patent/IT454567A/it unknown
-
1949
- 1949-06-11 US US98546A patent/US2643192A/en not_active Expired - Lifetime
- 1949-06-22 GB GB16597/49A patent/GB689382A/en not_active Expired
- 1949-06-23 CH CH306761D patent/CH306761A/en unknown
- 1949-06-23 FR FR989476D patent/FR989476A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR989476A (en) | 1951-09-10 |
BE489797A (en) | |
GB689382A (en) | 1953-03-25 |
CH306761A (en) | 1955-04-30 |
IT454567A (en) | |
US2643192A (en) | 1953-06-23 |
NL78889C (en) |