CA1035422A - Compensated audio transformer circuit - Google Patents
Compensated audio transformer circuitInfo
- Publication number
- CA1035422A CA1035422A CA204,293A CA204293A CA1035422A CA 1035422 A CA1035422 A CA 1035422A CA 204293 A CA204293 A CA 204293A CA 1035422 A CA1035422 A CA 1035422A
- Authority
- CA
- Canada
- Prior art keywords
- transformer circuit
- compensated audio
- audio transformer
- compensated
- circuit
- Prior art date
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391145A US3881149A (en) | 1973-08-23 | 1973-08-23 | Compensated transformer circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1035422A true CA1035422A (en) | 1978-07-25 |
Family
ID=23545445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA204,293A Expired CA1035422A (en) | 1973-08-23 | 1974-07-08 | Compensated audio transformer circuit |
Country Status (2)
Country | Link |
---|---|
US (1) | US3881149A (en) |
CA (1) | CA1035422A (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832654A (en) * | 1973-12-20 | 1974-08-27 | Lorain Prod Corp | Compensated transformer circuit utilizing negative capacitance simulating circuit |
US4096363A (en) * | 1977-05-24 | 1978-06-20 | Bell Telephone Laboratories, Incorporated | Transmission network including flux compensation |
US4214199A (en) * | 1978-02-27 | 1980-07-22 | Westinghouse Electric Corp. | Current transformer |
GB2045952B (en) * | 1979-03-15 | 1983-01-12 | Tokyo Shibaura Electric Co | Current transforming circuits |
US4463307A (en) * | 1982-10-26 | 1984-07-31 | Gte Automatic Electric Inc. | Negative inductance multiplier circuit including temperature compensation |
US4467269A (en) * | 1982-10-26 | 1984-08-21 | Gte Automatic Electric Inc. | Start-up circuit for negative inductance multiplier |
CH661814A5 (en) * | 1983-06-01 | 1987-08-14 | Landis & Gyr Ag | MEASURING VOLTAGE CONVERTER HIGH ACCURACY. |
US4652810A (en) * | 1985-01-29 | 1987-03-24 | Yokogawa Hokushin Electric Corporation | Subminiature current transformer |
US4887028A (en) * | 1987-09-21 | 1989-12-12 | Landis & Gyr Metering, Inc. | Watthour meter with isolation transformers having a feedback loop |
US4767980A (en) * | 1987-10-22 | 1988-08-30 | Reliance Comm/Tec Corporation | Inductance multiplier circuit |
GB8805245D0 (en) * | 1988-03-04 | 1988-04-07 | Cambridge Consultants | Active current transformer |
US5747980A (en) * | 1995-05-30 | 1998-05-05 | Leviton Manufacturing Co., Inc. | Differential transformer correction by compensation |
US5949231A (en) * | 1996-10-23 | 1999-09-07 | Lau; Chi-Sang | Alternating current measuring device |
US6016054A (en) * | 1997-07-14 | 2000-01-18 | Siemens Transmission & Distribution, Llc | Watt hour meter registration calibration method and apparatus |
US6633169B1 (en) * | 1999-04-08 | 2003-10-14 | Doble Engineering Company | Monitoring leakage currents from high-voltage devices |
US6888896B1 (en) * | 2000-03-17 | 2005-05-03 | Adtran, Inc. | Method and apparatus for reducing flux imbalance signal distortion in a data communications system |
US7839938B2 (en) * | 2003-05-29 | 2010-11-23 | Maxim Integrated Products, Inc. | Method and apparatus for cancellation of magnetizing inductance current in a transformer circuit |
US7525297B2 (en) * | 2005-12-01 | 2009-04-28 | Falco Ltd. | Current transformer with impedance compensation and associated methods |
US7615989B2 (en) * | 2006-10-06 | 2009-11-10 | Honeywell International Inc. | Method and apparatus for DC integrated current sensor |
US8421444B2 (en) * | 2009-12-31 | 2013-04-16 | Schneider Electric USA, Inc. | Compact, two stage, zero flux electronically compensated current or voltage transducer employing dual magnetic cores having substantially dissimilar magnetic characteristics |
CN103339515B (en) | 2011-03-18 | 2015-10-14 | Abb研究有限公司 | For the method and apparatus of linearization transformer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2944207A (en) * | 1956-06-26 | 1960-07-05 | Gen Dynamics Corp | Current loss compensating device |
US2891214A (en) * | 1956-07-09 | 1959-06-16 | Gen Dynamics Corp | Ideal transformer |
US3815013A (en) * | 1972-06-14 | 1974-06-04 | Gen Electric | Current transformer with active load termination |
US3818338A (en) * | 1972-09-21 | 1974-06-18 | Lorain Prod Corp | Magnetizing current compensating circuit |
US3815011A (en) * | 1973-03-30 | 1974-06-04 | Gen Electric | Current transformer terminated by active load elements for providing phase-inverted signals |
US3815012A (en) * | 1973-03-30 | 1974-06-04 | Gen Electric | Current transformer with active load termination for providing, inter alia, phase angle alteration |
-
1973
- 1973-08-23 US US391145A patent/US3881149A/en not_active Expired - Lifetime
-
1974
- 1974-07-08 CA CA204,293A patent/CA1035422A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3881149A (en) | 1975-04-29 |
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