JPS5215362A - Carrier frequency control system in doppler system having directional discriminating function - Google Patents

Carrier frequency control system in doppler system having directional discriminating function

Info

Publication number
JPS5215362A
JPS5215362A JP50091217A JP9121775A JPS5215362A JP S5215362 A JPS5215362 A JP S5215362A JP 50091217 A JP50091217 A JP 50091217A JP 9121775 A JP9121775 A JP 9121775A JP S5215362 A JPS5215362 A JP S5215362A
Authority
JP
Japan
Prior art keywords
carrier frequency
frequency control
control system
doppler
discriminating function
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.)
Pending
Application number
JP50091217A
Other languages
Japanese (ja)
Inventor
Yasuto Takeuchi
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.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Priority to JP50091217A priority Critical patent/JPS5215362A/en
Publication of JPS5215362A publication Critical patent/JPS5215362A/en
Pending legal-status Critical Current

Links

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:In the carrier frequency control system used with ultrasonic Doppler blood flowmeter, carrier frequency is controlled by comparing components in receive signals which do not receive Doppler shift thru a band filter, and directional separation characteristic whose symmetry does not deform.
JP50091217A 1975-07-25 1975-07-25 Carrier frequency control system in doppler system having directional discriminating function Pending JPS5215362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50091217A JPS5215362A (en) 1975-07-25 1975-07-25 Carrier frequency control system in doppler system having directional discriminating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091217A JPS5215362A (en) 1975-07-25 1975-07-25 Carrier frequency control system in doppler system having directional discriminating function

Publications (1)

Publication Number Publication Date
JPS5215362A true JPS5215362A (en) 1977-02-04

Family

ID=14020245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091217A Pending JPS5215362A (en) 1975-07-25 1975-07-25 Carrier frequency control system in doppler system having directional discriminating function

Country Status (1)

Country Link
JP (1) JPS5215362A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112216A (en) * 1977-03-14 1978-09-30 Mitsubishi Keikinzoku Kogyo Hopper for aluminum electrolytic bath

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112216A (en) * 1977-03-14 1978-09-30 Mitsubishi Keikinzoku Kogyo Hopper for aluminum electrolytic bath
JPS5933672B2 (en) * 1977-03-14 1984-08-17 菱化軽金属工業株式会社 Hopper device for aluminum electrolyzer

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