JPS62157585A - 船速測定装置の周波数検出回路 - Google Patents

船速測定装置の周波数検出回路

Info

Publication number
JPS62157585A
JPS62157585A JP29951385A JP29951385A JPS62157585A JP S62157585 A JPS62157585 A JP S62157585A JP 29951385 A JP29951385 A JP 29951385A JP 29951385 A JP29951385 A JP 29951385A JP S62157585 A JPS62157585 A JP S62157585A
Authority
JP
Japan
Prior art keywords
signal
circuit
counting
frequency
submarine
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.)
Granted
Application number
JP29951385A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0141949B2 (enrdf_load_stackoverflow
Inventor
Takashi Nagao
隆司 長尾
Isao Takiguchi
滝口　功
Yutaka Kashiwase
柏瀬　裕
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.)
Tokyo Keiki Inc
Original Assignee
Tokyo Keiki Co 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 Tokyo Keiki Co Ltd filed Critical Tokyo Keiki Co Ltd
Priority to JP29951385A priority Critical patent/JPS62157585A/ja
Publication of JPS62157585A publication Critical patent/JPS62157585A/ja
Publication of JPH0141949B2 publication Critical patent/JPH0141949B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP29951385A 1985-12-28 1985-12-28 船速測定装置の周波数検出回路 Granted JPS62157585A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29951385A JPS62157585A (ja) 1985-12-28 1985-12-28 船速測定装置の周波数検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29951385A JPS62157585A (ja) 1985-12-28 1985-12-28 船速測定装置の周波数検出回路

Publications (2)

Publication Number Publication Date
JPS62157585A true JPS62157585A (ja) 1987-07-13
JPH0141949B2 JPH0141949B2 (enrdf_load_stackoverflow) 1989-09-08

Family

ID=17873557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29951385A Granted JPS62157585A (ja) 1985-12-28 1985-12-28 船速測定装置の周波数検出回路

Country Status (1)

Country Link
JP (1) JPS62157585A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0141949B2 (enrdf_load_stackoverflow) 1989-09-08

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