SE343443B - - Google Patents
Info
- Publication number
- SE343443B SE343443B SE10756/67*A SE1075667A SE343443B SE 343443 B SE343443 B SE 343443B SE 1075667 A SE1075667 A SE 1075667A SE 343443 B SE343443 B SE 343443B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using FET type devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/276—Protection against electrode failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
- H03F3/393—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/40—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56825666A | 1966-07-27 | 1966-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE343443B true SE343443B (xx) | 1972-03-06 |
Family
ID=24270569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE10756/67*A SE343443B (xx) | 1966-07-27 | 1967-07-21 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1537606B2 (xx) |
GB (1) | GB1127268A (xx) |
NL (1) | NL6710411A (xx) |
SE (1) | SE343443B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7518443B2 (en) | 2004-09-10 | 2009-04-14 | Quantum Applied Science & Research, Inc. | Amplifier circuit and method for reducing voltage and current noise |
CN108309280A (zh) * | 2018-02-11 | 2018-07-24 | 许少辉 | 心电图机的信号增强电路 |
-
1967
- 1967-07-18 DE DE19671537606 patent/DE1537606B2/de active Pending
- 1967-07-21 GB GB33579/67A patent/GB1127268A/en not_active Expired
- 1967-07-21 SE SE10756/67*A patent/SE343443B/xx unknown
- 1967-07-27 NL NL6710411A patent/NL6710411A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1127268A (en) | 1968-09-18 |
DE1537606A1 (de) | 1969-08-21 |
NL6710411A (xx) | 1968-01-29 |
DE1537606B2 (de) | 1971-07-15 |