NL7210269A - - Google Patents
Info
- Publication number
- NL7210269A NL7210269A NL7210269A NL7210269A NL7210269A NL 7210269 A NL7210269 A NL 7210269A NL 7210269 A NL7210269 A NL 7210269A NL 7210269 A NL7210269 A NL 7210269A NL 7210269 A NL7210269 A NL 7210269A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3529971 | 1971-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7210269A true NL7210269A (en:Method) | 1973-01-30 |
Family
ID=10376143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7210269A NL7210269A (en:Method) | 1971-07-27 | 1972-07-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3772582A (en:Method) |
| DE (1) | DE2208850C3 (en:Method) |
| FR (1) | FR2147178B1 (en:Method) |
| GB (1) | GB1345207A (en:Method) |
| NL (1) | NL7210269A (en:Method) |
| SE (1) | SE378165B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5424630B2 (en:Method) * | 1973-08-10 | 1979-08-22 | ||
| FR2297517A1 (fr) * | 1975-01-10 | 1976-08-06 | Thomson Csf | Dispositif de compression de bande et systeme de detection active comportant un tel dispositif |
| US6125047A (en) * | 1993-12-14 | 2000-09-26 | Seagate Technology, Inc. | Regulated inverting power supply |
| US6778347B2 (en) | 2000-11-20 | 2004-08-17 | Seagate Technology Llc | Load balancing circuit for a dual polarity power supply with single polarity voltage regulation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994825A (en) * | 1958-07-09 | 1961-08-01 | Hewlett Packard Co | Voltage to time-interval converter |
| US3491252A (en) * | 1964-11-16 | 1970-01-20 | United Systems Corp | Ac-dc converter |
| US3473122A (en) * | 1966-12-05 | 1969-10-14 | Hickok Electrical Instr Co The | Digital voltmeter |
| US3569841A (en) * | 1968-07-09 | 1971-03-09 | Peter L Richman | Harmonic-rejecting ac-to-dc converter |
| US3631342A (en) * | 1970-01-26 | 1971-12-28 | Vidar Corp | Digital voltmeter apparatus employing a bipolar amplifier having a unidirectional output and a voltage controlled oscillator |
| US3657566A (en) * | 1970-05-13 | 1972-04-18 | Hickok Electrical Instr Co The | Alternating current to direct current signal converter |
| US3636430A (en) * | 1970-10-26 | 1972-01-18 | Westinghouse Electric Corp | Anticipatory feedback control for inverters |
-
1971
- 1971-07-27 GB GB3529971A patent/GB1345207A/en not_active Expired
-
1972
- 1972-02-25 DE DE2208850A patent/DE2208850C3/de not_active Expired
- 1972-07-25 FR FR7226745A patent/FR2147178B1/fr not_active Expired
- 1972-07-26 US US00275391A patent/US3772582A/en not_active Expired - Lifetime
- 1972-07-26 NL NL7210269A patent/NL7210269A/xx not_active Application Discontinuation
- 1972-07-26 SE SE7209757A patent/SE378165B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2147178A1 (en:Method) | 1973-03-09 |
| DE2208850A1 (de) | 1973-02-15 |
| FR2147178B1 (en:Method) | 1975-06-13 |
| GB1345207A (en) | 1974-01-30 |
| DE2208850C3 (de) | 1979-09-13 |
| DE2208850B2 (de) | 1979-01-25 |
| SE378165B (en:Method) | 1975-08-18 |
| US3772582A (en) | 1973-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |