Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
  • G06G7/26—Arbitrary function generators
  • G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation
• • 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
  • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
  • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
• • 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
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
  • G06G7/62—Analogue computers for specific processes, systems or devices, e.g. simulators for electric systems or apparatus
  • G06G7/625—Analogue computers for specific processes, systems or devices, e.g. simulators for electric systems or apparatus for filters; for delay lines
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G3/00—Gain control in amplifiers or frequency changers
  • H03G3/001—Digital control of analog signals
• • 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
  • H03H11/1291—Current or voltage controlled filters

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Mathematical Physics (AREA)
• Theoretical Computer Science (AREA)
• Computer Hardware Design (AREA)
• Animal Behavior & Ethology (AREA)
• Medical Informatics (AREA)
• Molecular Biology (AREA)
• Surgery (AREA)
• Pathology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Biophysics (AREA)
• Heart & Thoracic Surgery (AREA)
• General Physics & Mathematics (AREA)
• Biomedical Technology (AREA)
• Software Systems (AREA)

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19815929

Family Applications (1)

Country Status (1)

Cited By (3)

• 1972
  • 1972-04-27 NL NL7205691A patent/NL7205691A/xx unknown

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