JPH01112486U - - Google Patents

Info

Publication number
JPH01112486U
JPH01112486U JP674288U JP674288U JPH01112486U JP H01112486 U JPH01112486 U JP H01112486U JP 674288 U JP674288 U JP 674288U JP 674288 U JP674288 U JP 674288U JP H01112486 U JPH01112486 U JP H01112486U
Authority
JP
Japan
Prior art keywords
gain
gain control
reception
detection distance
preamplifier
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
JP674288U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP674288U priority Critical patent/JPH01112486U/ja
Publication of JPH01112486U publication Critical patent/JPH01112486U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP674288U 1988-01-22 1988-01-22 Pending JPH01112486U (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP674288U JPH01112486U (de) 1988-01-22 1988-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP674288U JPH01112486U (de) 1988-01-22 1988-01-22

Publications (1)

Publication Number Publication Date
JPH01112486U true JPH01112486U (de) 1989-07-28

Family

ID=31211165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP674288U Pending JPH01112486U (de) 1988-01-22 1988-01-22

Country Status (1)

Country Link
JP (1) JPH01112486U (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005067156A2 (ja) * 2003-12-26 2005-07-21 Furuno Electric Co., Ltd. マイクロ波周波数変換器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467459A (en) * 1977-11-09 1979-05-30 Kaijo Denki Kk Gain control system for scanning sonar
JPS6234546A (ja) * 1985-08-07 1987-02-14 株式会社日立製作所 超音波受波整相回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467459A (en) * 1977-11-09 1979-05-30 Kaijo Denki Kk Gain control system for scanning sonar
JPS6234546A (ja) * 1985-08-07 1987-02-14 株式会社日立製作所 超音波受波整相回路

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005067156A2 (ja) * 2003-12-26 2005-07-21 Furuno Electric Co., Ltd. マイクロ波周波数変換器
WO2005067156A3 (ja) * 2003-12-26 2005-09-01 Furuno Electric Co マイクロ波周波数変換器
GB2424331A (en) * 2003-12-26 2006-09-20 Furuno Electric Co Microwave Frequency Converter
GB2424331B (en) * 2003-12-26 2007-06-27 Furuno Electric Co Microwave Frequency Converter
US8509684B2 (en) 2003-12-26 2013-08-13 Furuno Electric Company Limited Microwave frequency converter

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