JPH03120185U - - Google Patents
Info
- Publication number
- JPH03120185U JPH03120185U JP2810990U JP2810990U JPH03120185U JP H03120185 U JPH03120185 U JP H03120185U JP 2810990 U JP2810990 U JP 2810990U JP 2810990 U JP2810990 U JP 2810990U JP H03120185 U JPH03120185 U JP H03120185U
- Authority
- JP
- Japan
- Prior art keywords
- period
- signal
- extracting
- time
- division
- 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 3
- 238000005070 sampling Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の一実施例を示す構成図、第
２図はその説明のための図、第３図は従来例の構
成図、第４図はその説明のための図である。
１，２……切換スイツチ、３……Ａ／Ｄ変換器
、４……デマルチプレクサ。
FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a diagram for explaining the same, FIG. 3 is a block diagram of a conventional example, and FIG. 4 is a diagram for explaining the same. 1, 2...Switchover switch, 3...A/D converter, 4...Demultiplexer.
Claims (1)
数）の第２の周期でもつて、第１の周期より短い
期間だけ色信号を挿入する時分割信号形成手段と
、 上記時分割信号形成手段の出力信号を上記第１
の周期の1/2倍の第３の周期を有するサンプリン
グクロツクをもつてデイジタル信号に変換するＡ
／Ｄ変換手段と、 上記Ａ／Ｄ変換手段の出力信号より、上記第１
の周期でもつて上記輝度信号を抽出すると共に、
上記第２の周期でもつて上記色信号を抽出する信
号分離手段とを備えてなることを特徴とするＡ／
Ｄ変換装置。[Claims for Utility Model Registration] A time-division signal in which a color signal is inserted into a luminance signal for a period shorter than the first period even in a second period that is N times the first period (N is an integer of 1 or more). forming means, and transmitting the output signal of the time-division signal forming means to the first
A to convert into a digital signal with a sampling clock having a third period that is 1/2 times the period of A.
/D conversion means and the output signal of the A/D conversion means, the first
While extracting the luminance signal with a period of
and signal separation means for extracting the color signal even in the second period.
D conversion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028109U JP2523859Y2 (en) | 1990-03-19 | 1990-03-19 | A / D converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028109U JP2523859Y2 (en) | 1990-03-19 | 1990-03-19 | A / D converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03120185U true JPH03120185U (en) | 1991-12-10 |
| JP2523859Y2 JP2523859Y2 (en) | 1997-01-29 |
Family
ID=31530929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990028109U Expired - Fee Related JP2523859Y2 (en) | 1990-03-19 | 1990-03-19 | A / D converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2523859Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62234496A (en) * | 1986-03-31 | 1987-10-14 | Nec Home Electronics Ltd | A/d converter |
-
1990
- 1990-03-19 JP JP1990028109U patent/JP2523859Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62234496A (en) * | 1986-03-31 | 1987-10-14 | Nec Home Electronics Ltd | A/d converter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2523859Y2 (en) | 1997-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |