JPS6110581U - Transmission circuit for fish finder - Google Patents

Transmission circuit for fish finder

Info

Publication number
JPS6110581U
JPS6110581U JP9507184U JP9507184U JPS6110581U JP S6110581 U JPS6110581 U JP S6110581U JP 9507184 U JP9507184 U JP 9507184U JP 9507184 U JP9507184 U JP 9507184U JP S6110581 U JPS6110581 U JP S6110581U
Authority
JP
Japan
Prior art keywords
fish finder
controlling
transmission circuit
transmission
pulse width
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
JP9507184U
Other languages
Japanese (ja)
Other versions
JPH06787Y2 (en
Inventor
猛博 小西
Original Assignee
日本無線株式会社
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 日本無線株式会社 filed Critical 日本無線株式会社
Priority to JP1984095071U priority Critical patent/JPH06787Y2/en
Publication of JPS6110581U publication Critical patent/JPS6110581U/en
Application granted granted Critical
Publication of JPH06787Y2 publication Critical patent/JPH06787Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】 第１図は本考案に係る魚群探知機用送信回路の一実施例
を示す回路図、第２図は第１図に示す回路の動作波形図
、第３図は第１図に示す回路の動作説明図である。 １・・・回路用電圧供給源、２・・・発振パルス幅制御
用トリガ入力端子、３・・・ＰＷＭ方式のスイッチング
・レギュレータ用集積回路（ＩＣ）、４，５・・・パワ
ー・トランス駆動用発振出力信号、６・・・送信用電源
供給源、７・・・超音波送受波器、８・・・可変抵抗器
（ＲＶ．１）、９・・・送信トランス、ＴＲ３〜ＴＲ５
・・・パワー・トランジスタ。[Brief Description of the Drawings] Fig. 1 is a circuit diagram showing an embodiment of a transmitting circuit for a fish finder according to the present invention, Fig. 2 is an operational waveform diagram of the circuit shown in Fig. FIG. 2 is an explanatory diagram of the operation of the circuit shown in FIG. 1; 1... Voltage supply source for circuit, 2... Trigger input terminal for controlling oscillation pulse width, 3... Integrated circuit (IC) for PWM switching regulator, 4, 5... Power transformer drive oscillation output signal for use, 6...power supply source for transmission, 7...ultrasonic transducer, 8...variable resistor (RV.1), 9...transmission transformer, TR3 to TR5
...Power transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送信繰り返し周期の可調整な魚群探知機の送信回路にお
いて、パワー・トランスジスタと、このトランジスタを
外付けして成るスイッチング・レギュレータ用ＩＣとを
有し、前記パワー・トランジスタの駆動信号のパルス幅
と振幅とにより、送信出力を制御する手段と、前記パル
ス幅による制御を自動で、また前記振幅による制御を手
動で夫々制御する手段と、前記手動制御に優先度を持た
せて制御する手段とを備えたことを特徴とする魚群探知
機用送信回路。A transmission circuit for a fish finder with an adjustable transmission repetition period includes a power transistor and a switching regulator IC to which the transistor is externally connected, and has a pulse width of a drive signal for the power transistor. means for controlling the transmission output according to the amplitude; means for automatically controlling the control according to the pulse width and manually controlling the control according to the amplitude; and means controlling the transmission output by giving priority to the manual control. A transmitting circuit for a fish finder, characterized by the following features:
JP1984095071U 1984-06-25 1984-06-25 Transmitter circuit for fish finder Expired - Lifetime JPH06787Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984095071U JPH06787Y2 (en) 1984-06-25 1984-06-25 Transmitter circuit for fish finder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984095071U JPH06787Y2 (en) 1984-06-25 1984-06-25 Transmitter circuit for fish finder

Publications (2)

Publication Number Publication Date
JPS6110581U true JPS6110581U (en) 1986-01-22
JPH06787Y2 JPH06787Y2 (en) 1994-01-05

Family

ID=30654024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984095071U Expired - Lifetime JPH06787Y2 (en) 1984-06-25 1984-06-25 Transmitter circuit for fish finder

Country Status (1)

Country Link
JP (1) JPH06787Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02184099A (en) * 1989-01-11 1990-07-18 Yokogawa Hewlett Packard Ltd Connecting device
JPH051435U (en) * 1991-01-21 1993-01-14 タイガー魔法瓶株式会社 Small bottle
JP2012118016A (en) * 2010-12-03 2012-06-21 Furuno Electric Co Ltd Detecting device, detecting method, and detecting program
US11770904B2 (en) 2019-02-04 2023-09-26 Panasonic Intellectual Property Management Co., Ltd. Surface-treated copper foil, and copper-clad laminate plate, resin-attached copper foil and circuit board each using same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266464A (en) * 1975-11-28 1977-06-01 Hokushin Electric Works Ultrasonic level sensor
JPS5686371A (en) * 1979-12-17 1981-07-14 Keisuke Honda Automatic control device for ultrasonic pulse width
JPS5826680U (en) * 1981-08-11 1983-02-21 日本無線株式会社 Transmission circuit for fish finder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266464A (en) * 1975-11-28 1977-06-01 Hokushin Electric Works Ultrasonic level sensor
JPS5686371A (en) * 1979-12-17 1981-07-14 Keisuke Honda Automatic control device for ultrasonic pulse width
JPS5826680U (en) * 1981-08-11 1983-02-21 日本無線株式会社 Transmission circuit for fish finder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02184099A (en) * 1989-01-11 1990-07-18 Yokogawa Hewlett Packard Ltd Connecting device
JPH051435U (en) * 1991-01-21 1993-01-14 タイガー魔法瓶株式会社 Small bottle
JP2012118016A (en) * 2010-12-03 2012-06-21 Furuno Electric Co Ltd Detecting device, detecting method, and detecting program
US11770904B2 (en) 2019-02-04 2023-09-26 Panasonic Intellectual Property Management Co., Ltd. Surface-treated copper foil, and copper-clad laminate plate, resin-attached copper foil and circuit board each using same

Also Published As

Publication number Publication date
JPH06787Y2 (en) 1994-01-05

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