DE2965987D1 - Improved electroencephalograph - Google Patents

Improved electroencephalograph

Info

Publication number
DE2965987D1
DE2965987D1 DE7979301095T DE2965987T DE2965987D1 DE 2965987 D1 DE2965987 D1 DE 2965987D1 DE 7979301095 T DE7979301095 T DE 7979301095T DE 2965987 T DE2965987 T DE 2965987T DE 2965987 D1 DE2965987 D1 DE 2965987D1
Authority
DE
Germany
Prior art keywords
electroencephalograph
improved
improved electroencephalograph
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
Application number
DE7979301095T
Other languages
English (en)
Inventor
Robert A Mcintyre
Phillip J Loeb
Raymond M Pawlak
Mary Jo Aubin
Cecil C Lencioni
Leland B Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/914,062 external-priority patent/US4202354A/en
Priority claimed from US05/914,280 external-priority patent/US4409987A/en
Priority claimed from US05/914,273 external-priority patent/US4236511A/en
Priority claimed from US05/914,061 external-priority patent/US4204546A/en
Application filed by Beckman Instruments Inc filed Critical Beckman Instruments Inc
Application granted granted Critical
Publication of DE2965987D1 publication Critical patent/DE2965987D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/276—Protection against electrode failure
DE7979301095T 1978-06-09 1979-06-08 Improved electroencephalograph Expired DE2965987D1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US91406378A 1978-06-09 1978-06-09
US91427278A 1978-06-09 1978-06-09
US91427478A 1978-06-09 1978-06-09
US05/914,062 US4202354A (en) 1978-06-09 1978-06-09 Electroencephalograph
US05/914,280 US4409987A (en) 1978-06-09 1978-06-09 Electroencephalograph
US05/914,273 US4236511A (en) 1978-06-09 1978-06-09 Electroencephalograph
US05/914,061 US4204546A (en) 1978-06-09 1978-06-09 Electroencephalograph

Publications (1)

Publication Number Publication Date
DE2965987D1 true DE2965987D1 (en) 1983-09-01

Family

ID=27569941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301095T Expired DE2965987D1 (en) 1978-06-09 1979-06-08 Improved electroencephalograph

Country Status (3)

Country Link
EP (1) EP0008846B1 (de)
DE (1) DE2965987D1 (de)
DK (1) DK240079A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749369A (en) * 1996-08-09 1998-05-12 R.S. Medical Monitoring Ltd. Method and device for stable impedance plethysmography
US6728564B2 (en) * 2001-07-03 2004-04-27 Instrumentarium Corp. Configurable sensor system for measuring biopotentials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332211A (en) * 1939-04-14 1943-10-19 Flakice Corp Extruder
US3294084A (en) * 1964-05-14 1966-12-27 Ca Nat Research Council Potential measuring and display apparatus, especially for electrocardiographic or like use
US3757778A (en) * 1971-01-13 1973-09-11 Comprehensive Health Testing L Electrocardiograph lead distribution and contact testing apparatus
US3859988A (en) * 1973-04-30 1975-01-14 Beckman Instruments Inc Open lead testing system for eeg
DE2332211C3 (de) * 1973-06-25 1978-12-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gerät zum Auswerten von elektrischen Signalen
DE2429955C3 (de) * 1974-06-21 1978-11-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Verarbeitung physiologischer Meßsignale
US3978847A (en) * 1974-07-29 1976-09-07 Biofeedback Computers, Inc. Multiple channel phase integrating biofeedback computing method
US3971366A (en) * 1974-11-25 1976-07-27 Hiroshi Motoyama Apparatus and method for measuring the condition of the meridians and the corresponding internal organs of the living body
US4033336A (en) * 1975-11-19 1977-07-05 Medical Scientific International Corporation System for sensing and recording medical information
US4037586A (en) * 1976-04-14 1977-07-26 Grichnik James A Electroencephalograph display

Also Published As

Publication number Publication date
EP0008846A3 (en) 1980-04-16
EP0008846A2 (de) 1980-03-19
DK240079A (da) 1979-12-10
EP0008846B1 (de) 1983-07-27

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee