JPS61118305U - - Google Patents

Info

Publication number
JPS61118305U
JPS61118305U JP1985001996U JP199685U JPS61118305U JP S61118305 U JPS61118305 U JP S61118305U JP 1985001996 U JP1985001996 U JP 1985001996U JP 199685 U JP199685 U JP 199685U JP S61118305 U JPS61118305 U JP S61118305U
Authority
JP
Japan
Prior art keywords
compression conversion
gain
control circuit
gain control
circuit
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
JP1985001996U
Other languages
Japanese (ja)
Other versions
JPH0543771Y2 (en
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 JP1985001996U priority Critical patent/JPH0543771Y2/ja
Publication of JPS61118305U publication Critical patent/JPS61118305U/ja
Application granted granted Critical
Publication of JPH0543771Y2 publication Critical patent/JPH0543771Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の超音波診断装置の一実施例を
示すブロツク図、第２図はゲイン制御回路を通る
エコー信号強度とその強度レベルの頻度との関係
を示すヒストグラム、第３図は圧縮変換回路で圧
縮変換されるエコー信号の入出力レベルの関係を
示す特性図、第４図は従来例の説明図である。 １…超音波診断装置、２…ゲイン制御回路、６
…画像メモリ、８…圧縮変換回路、１４…表示器
。 Fig. 1 is a block diagram showing an embodiment of the ultrasonic diagnostic device of the present invention, Fig. 2 is a histogram showing the relationship between the intensity of the echo signal passing through the gain control circuit and the frequency of the intensity level, and Fig. 3 is the compression FIG. 4 is a characteristic diagram showing the relationship between the input and output levels of the echo signal compressed and converted by the conversion circuit, and is an explanatory diagram of a conventional example. 1... Ultrasonic diagnostic device, 2... Gain control circuit, 6
...Image memory, 8...Compression conversion circuit, 14...Display device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トランスジユーサから出力されるエコー信号の
ゲインを制御するゲイン制御回路と、このゲイン
制御回路を通つた前記エコー信号を画像データと
して記憶する画像メモリと、前記画像データを圧
縮する複数の圧縮変換カーブが記憶された圧縮変
換回路とを備えるとともに、前記ゲイン制御回路
のゲインを設定する制御信号を前記圧縮変換回路
に対して圧縮変換カーベ選択信号として与えるこ
とを特徴とする超音波診断装置。 a gain control circuit that controls the gain of the echo signal output from the transducer; an image memory that stores the echo signal that has passed through the gain control circuit as image data; and a plurality of compression conversion curves that compress the image data. an ultrasonic diagnostic apparatus comprising: a compression conversion circuit in which is stored a compression conversion circuit; and a control signal for setting the gain of the gain control circuit is provided to the compression conversion circuit as a compression conversion curve selection signal.
JP1985001996U 1985-01-10 1985-01-10 Expired - Lifetime JPH0543771Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985001996U JPH0543771Y2 (en) 1985-01-10 1985-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985001996U JPH0543771Y2 (en) 1985-01-10 1985-01-10

Publications (2)

Publication Number Publication Date
JPS61118305U true JPS61118305U (en) 1986-07-25
JPH0543771Y2 JPH0543771Y2 (en) 1993-11-05

Family

ID=30475254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985001996U Expired - Lifetime JPH0543771Y2 (en) 1985-01-10 1985-01-10

Country Status (1)

Country Link
JP (1) JPH0543771Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417078A (en) * 1977-05-06 1979-02-08 Commw Of Australia Electric signal treating circuit and echo scope utilizing said circuit
JPS5652047A (en) * 1979-10-05 1981-05-09 Shimadzu Corp Ultrasonic diagnosis apparatus
JPS5869547A (en) * 1981-10-21 1983-04-25 三菱電機株式会社 Ultrasonic diagnostic apparatus
JPS59171541A (en) * 1983-03-18 1984-09-28 三菱電機株式会社 Ultrasonic diagnostic apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417078A (en) * 1977-05-06 1979-02-08 Commw Of Australia Electric signal treating circuit and echo scope utilizing said circuit
JPS5652047A (en) * 1979-10-05 1981-05-09 Shimadzu Corp Ultrasonic diagnosis apparatus
JPS5869547A (en) * 1981-10-21 1983-04-25 三菱電機株式会社 Ultrasonic diagnostic apparatus
JPS59171541A (en) * 1983-03-18 1984-09-28 三菱電機株式会社 Ultrasonic diagnostic apparatus

Also Published As

Publication number Publication date
JPH0543771Y2 (en) 1993-11-05

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