FR2010792A1 - - Google Patents

Info

Publication number
FR2010792A1
FR2010792A1 FR6919596A FR6919596A FR2010792A1 FR 2010792 A1 FR2010792 A1 FR 2010792A1 FR 6919596 A FR6919596 A FR 6919596A FR 6919596 A FR6919596 A FR 6919596A FR 2010792 A1 FR2010792 A1 FR 2010792A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6919596A
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.)
TIME SYSTEMS CORP
Original Assignee
TIME SYSTEMS CORP
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 TIME SYSTEMS CORP filed Critical TIME SYSTEMS CORP
Publication of FR2010792A1 publication Critical patent/FR2010792A1/fr
Withdrawn legal-status Critical Current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
    • A61B5/02—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
FR6919596A 1968-06-12 1969-06-12 Withdrawn FR2010792A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73632668A 1968-06-12 1968-06-12

Publications (1)

Publication Number Publication Date
FR2010792A1 true FR2010792A1 (fr) 1970-02-20

Family

ID=24959446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6919596A Withdrawn FR2010792A1 (fr) 1968-06-12 1969-06-12

Country Status (4)

Country Link
US (1) US3525039A (fr)
DE (1) DE1929288A1 (fr)
FR (1) FR2010792A1 (fr)
GB (1) GB1229103A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733475A (en) * 1969-11-22 1973-05-15 Siemens Ag Digital pulse sequence divider
DE2339839C2 (de) * 1973-08-07 1982-06-03 Teldix Gmbh, 6900 Heidelberg Verfahren zur Messung der Impulsfolgefrequenz und Anordnung zur Durchführung des Verfahrens
US3894218A (en) * 1974-03-14 1975-07-08 Bendix Corp Variable inverse period timer
US4053879A (en) * 1975-06-20 1977-10-11 General Signal Corporation Fail safe digital code rate generator
FR2458815A1 (fr) * 1979-06-12 1981-01-02 Alsthom Atlantique Procede et dispositif de mesure digitale d'une frequence par inversion de periode
US5077519A (en) * 1990-09-28 1991-12-31 Chrysler Corporation Pulse period to frequency conversion system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933249A (en) * 1955-11-02 1960-04-19 Gen Dynamics Corp Accumulator
GB1045975A (en) * 1963-06-28 1966-10-19 Atomic Energy Authority Uk Period meter and logarithmic ratemeter

Also Published As

Publication number Publication date
US3525039A (en) 1970-08-18
DE1929288A1 (de) 1969-12-18
GB1229103A (fr) 1971-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse