JPS6348461B2 - - Google Patents

Info

Publication number
JPS6348461B2
JPS6348461B2 JP311882A JP311882A JPS6348461B2 JP S6348461 B2 JPS6348461 B2 JP S6348461B2 JP 311882 A JP311882 A JP 311882A JP 311882 A JP311882 A JP 311882A JP S6348461 B2 JPS6348461 B2 JP S6348461B2
Authority
JP
Japan
Prior art keywords
signal
envelope
low
pulse wave
output
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.)
Expired
Application number
JP311882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58120334A (ja
Inventor
Masao Igarashi
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP311882A priority Critical patent/JPS58120334A/ja
Publication of JPS58120334A publication Critical patent/JPS58120334A/ja
Publication of JPS6348461B2 publication Critical patent/JPS6348461B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
JP311882A 1982-01-12 1982-01-12 狭帯域音響信号受信装置 Granted JPS58120334A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP311882A JPS58120334A (ja) 1982-01-12 1982-01-12 狭帯域音響信号受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP311882A JPS58120334A (ja) 1982-01-12 1982-01-12 狭帯域音響信号受信装置

Publications (2)

Publication Number Publication Date
JPS58120334A JPS58120334A (ja) 1983-07-18
JPS6348461B2 true JPS6348461B2 (zh) 1988-09-29

Family

ID=11548433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP311882A Granted JPS58120334A (ja) 1982-01-12 1982-01-12 狭帯域音響信号受信装置

Country Status (1)

Country Link
JP (1) JPS58120334A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174971A (ja) * 1983-11-04 1985-09-09 エンドレス・ウント・ハウザ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニ− 信号伝送装置
JPS60151571A (ja) * 1984-01-19 1985-08-09 Yokogawa Medical Syst Ltd ベースバンド方式のソーナー
JPS61104272A (ja) * 1984-10-29 1986-05-22 Oki Electric Ind Co Ltd 音響測位装置
JPS648751A (en) * 1987-06-30 1989-01-12 Sharp Kk Demodulation system
JPH01222543A (ja) * 1988-03-01 1989-09-05 Sharp Corp トーン検出回路

Also Published As

Publication number Publication date
JPS58120334A (ja) 1983-07-18

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