CH558655A - DOUBLE SIGNAL RECEIVER. - Google Patents

DOUBLE SIGNAL RECEIVER.

Info

Publication number
CH558655A
CH558655A CH1647073A CH1647073A CH558655A CH 558655 A CH558655 A CH 558655A CH 1647073 A CH1647073 A CH 1647073A CH 1647073 A CH1647073 A CH 1647073A CH 558655 A CH558655 A CH 558655A
Authority
CH
Switzerland
Prior art keywords
signal receiver
double signal
double
receiver
signal
Prior art date
Application number
CH1647073A
Other languages
German (de)
Original Assignee
Hoffmann La Roche
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
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH558655A publication Critical patent/CH558655A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/02—Measuring pulse or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02411—Detecting, measuring or recording pulse rate or heart rate of foetuses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
    • A61B5/4362—Assessing foetal parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0866—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
CH1647073A 1972-12-08 1973-11-22 DOUBLE SIGNAL RECEIVER. CH558655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31337372A 1972-12-08 1972-12-08

Publications (1)

Publication Number Publication Date
CH558655A true CH558655A (en) 1975-02-14

Family

ID=23215464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1647073A CH558655A (en) 1972-12-08 1973-11-22 DOUBLE SIGNAL RECEIVER.

Country Status (6)

Country Link
JP (1) JPS5324757B2 (en)
CH (1) CH558655A (en)
DE (1) DE2360206C3 (en)
FR (1) FR2209534B1 (en)
GB (1) GB1398670A (en)
NL (1) NL161354C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430756A1 (en) * 1978-07-11 1980-02-08 Elf Aquitaine Foetal heartbeat display and recorder - uses narrow bandpass filter to eliminate parasitic signals from ecg
JPS586103U (en) * 1981-07-07 1983-01-14 ブリヂストンサイクル株式会社 portable stove
IL151029A0 (en) 2002-08-01 2003-04-10 Art Medical Instr Ltd Bio-filter pad for facilitating the detection of an occurrence of a physiological action, and method therefor, and fetal activity monitoring apparatus
US8075500B2 (en) 2007-07-17 2011-12-13 Biopad Ltd. Fetal wellbeing monitoring apparatus and pad therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755557A (en) * 1969-09-03 1971-03-01 Hoffmann La Roche BLOOD PRESSURE TESTING DEVICE
JPS5241588B1 (en) * 1970-10-20 1977-10-19
US3763851A (en) * 1971-12-08 1973-10-09 Hoffmann La Roche Ultrasonic doppler fetal heart monitor with variable resonance means

Also Published As

Publication number Publication date
NL161354B (en) 1979-09-17
JPS4989388A (en) 1974-08-27
FR2209534A1 (en) 1974-07-05
FR2209534B1 (en) 1977-06-10
DE2360206A1 (en) 1974-06-27
DE2360206B2 (en) 1975-06-19
DE2360206C3 (en) 1983-01-13
NL161354C (en) 1980-02-15
GB1398670A (en) 1975-06-25
NL7316584A (en) 1974-06-11
JPS5324757B2 (en) 1978-07-22

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Legal Events

Date Code Title Description
PL Patent ceased