JPS6418871U - - Google Patents
Info
- Publication number
- JPS6418871U JPS6418871U JP9345688U JP9345688U JPS6418871U JP S6418871 U JPS6418871 U JP S6418871U JP 9345688 U JP9345688 U JP 9345688U JP 9345688 U JP9345688 U JP 9345688U JP S6418871 U JPS6418871 U JP S6418871U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- image information
- analog image
- conversion
- information signal
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000005070 sampling Methods 0.000 claims 2
- 238000013139 quantization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 1
Description
第１図は本考案の一実施例に使用した感熱紙の
発色特性を示す特性図、第２図は本考案の一実施
例のブロツク図、第３図はその一部の具体的接続
図、第４図及び第５図は本考案の一実施例の説明
に用いる略線図である。
１は感熱紙、４は記録ヘツド部、５は画像信号
の入力端子、８は加算器、９はＡ／Ｄ変換器、２
７はＤ／Ａ変換器である。
Fig. 1 is a characteristic diagram showing the coloring characteristics of thermal paper used in an embodiment of the present invention, Fig. 2 is a block diagram of an embodiment of the present invention, and Fig. 3 is a specific connection diagram of a part thereof. 4 and 5 are schematic diagrams used to explain one embodiment of the present invention. 1 is thermal paper, 4 is a recording head section, 5 is an input terminal for image signals, 8 is an adder, 9 is an A/D converter, 2
7 is a D/A converter.
Claims (1)
ングクロツクでサンプリングし、サンプリングさ
れた上記アナログ画像情報信号をＡ／Ｄ変換によ
り複数ビツトのデジタル信号に変換する画像信号
処理装置において、そのピークツウピーク値が上
記のＡ／Ｄ変換における１量子化ステツプの１／
２に等しく且つ上記サンプリングクロツクと同期
関係にある一定周波数の信号を形成し、この信号
を上記アナログ画像情報信号に重畳してからサン
プリングするようにしたことを特徴とする画像信
号処理装置。 In an image signal processing device that samples an analog image information signal with a predetermined frequency sampling clock and converts the sampled analog image information signal into a multi-bit digital signal by A/D conversion, the peak-to-peak value thereof is 1/1 of 1 quantization step in A/D conversion of
An image signal processing device characterized in that a signal having a constant frequency equal to 2 and in synchronization with the sampling clock is formed, and this signal is superimposed on the analog image information signal and then sampled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9345688U JPH0136376Y2 (en) | 1988-07-14 | 1988-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9345688U JPH0136376Y2 (en) | 1988-07-14 | 1988-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6418871U true JPS6418871U (en) | 1989-01-30 |
| JPH0136376Y2 JPH0136376Y2 (en) | 1989-11-06 |
Family
ID=31317919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9345688U Expired JPH0136376Y2 (en) | 1988-07-14 | 1988-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0136376Y2 (en) |
-
1988
- 1988-07-14 JP JP9345688U patent/JPH0136376Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136376Y2 (en) | 1989-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0220802U (en) | ||
| JPS6418871U (en) | ||
| JPH0235365U (en) | ||
| JPH0344933U (en) | ||
| JPS60155231U (en) | Analog-digital converter | |
| JPS6222765U (en) | ||
| JPS60186756U (en) | Contour correction circuit | |
| JPH03117947U (en) | ||
| JPS6340900U (en) | ||
| JPS5927632U (en) | A/D converter | |
| JPH0255457U (en) | ||
| JPS58103024U (en) | Exposure information input device | |
| JPH01119269U (en) | ||
| JPS6041863U (en) | oscilloscope | |
| JPS63122268U (en) | ||
| JPS61337U (en) | Analog-digital conversion circuit | |
| JPS62196431U (en) | ||
| JPS6381467U (en) | ||
| JPS63156180U (en) | ||
| JPS6392484U (en) | ||
| JPH0181081U (en) | ||
| JPS6022036U (en) | Analog-to-digital converter control circuit | |
| JPS59130151U (en) | CCD camera data input device | |
| JPS6258963U (en) | ||
| JPH0415377U (en) |