NL72287C - - Google Patents
Info
- Publication number
- NL72287C NL72287C NL72287DA NL72287C NL 72287 C NL72287 C NL 72287C NL 72287D A NL72287D A NL 72287DA NL 72287 C NL72287 C NL 72287C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/447—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using discharge tubes only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/51—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using discharge tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL274078X | 1948-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL72287C true NL72287C (es) |
Family
ID=19782057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL72287D NL72287C (es) | 1948-05-03 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2650340A (es) |
BE (1) | BE488814A (es) |
CH (1) | CH274078A (es) |
DE (1) | DE808733C (es) |
FR (1) | FR985390A (es) |
GB (1) | GB667684A (es) |
NL (1) | NL72287C (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2770773A (en) * | 1954-12-27 | 1956-11-13 | Stanolind Oil & Gas Co | Detecting corrosion of well casing |
US3113240A (en) * | 1959-05-25 | 1963-12-03 | Collins Radio Co | Fast switching bistable thyratron control circuit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1993581A (en) * | 1923-05-11 | 1935-03-05 | Gen Electric | System of distribution |
US2005458A (en) * | 1932-07-08 | 1935-06-18 | Allmanna Svenska Elektrska Akt | Ion valve for producing alternating currents |
US2024173A (en) * | 1932-10-22 | 1935-12-17 | Gen Electric | Electric translating circuit |
US2147474A (en) * | 1937-09-10 | 1939-02-14 | Westinghouse Electric & Mfg Co | Converting apparatus |
US2338118A (en) * | 1940-08-06 | 1944-01-04 | Raytheon Mfg Co | Inverter |
US2475621A (en) * | 1945-09-20 | 1949-07-12 | Raytheon Mfg Co | Inverter |
US2486703A (en) * | 1947-03-13 | 1949-11-01 | Time Inc | Pin control for web folding machines |
-
0
- NL NL72287D patent/NL72287C/xx active
- BE BE488814D patent/BE488814A/xx unknown
-
1949
- 1949-04-07 DE DEP39074A patent/DE808733C/de not_active Expired
- 1949-04-29 US US90452A patent/US2650340A/en not_active Expired - Lifetime
- 1949-04-29 GB GB11462/49A patent/GB667684A/en not_active Expired
- 1949-05-02 FR FR985390D patent/FR985390A/fr not_active Expired
- 1949-05-02 CH CH274078D patent/CH274078A/de unknown
Also Published As
Publication number | Publication date |
---|---|
DE808733C (de) | 1951-07-19 |
GB667684A (en) | 1952-03-05 |
US2650340A (en) | 1953-08-25 |
CH274078A (de) | 1951-03-15 |
FR985390A (fr) | 1951-07-18 |
BE488814A (es) |