JPH0165577U - - Google Patents
Info
- Publication number
- JPH0165577U JPH0165577U JP1987161501U JP16150187U JPH0165577U JP H0165577 U JPH0165577 U JP H0165577U JP 1987161501 U JP1987161501 U JP 1987161501U JP 16150187 U JP16150187 U JP 16150187U JP H0165577 U JPH0165577 U JP H0165577U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- luminance
- delay elements
- difference
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の輝度・色信号分離回路例を示
すブロツク図、第２図は第１図の各点Ａ〜Ｅにお
ける波形を示す図、第３図は従来の輝度・色信号
分離回路の例を示すブロツク図、第４図は超音波
遅延素子の電送特性、第５図は従来の輝度・色信
号回路（第３図）の各点Ｆ〜Ｈにおける波形を示
す図である。
１は１Ｈ遅延回路、２は加算器、３は２Ｈ遅延
回路、４は減算回路。
Fig. 1 is a block diagram showing an example of the luminance/chrominance signal separation circuit of the present invention, Fig. 2 is a diagram showing waveforms at each point A to E in Fig. 1, and Fig. 3 is a conventional luminance/chrominance signal separation circuit. FIG. 4 is a block diagram showing an example of this, FIG. 4 is a diagram showing the transmission characteristics of an ultrasonic delay element, and FIG. 5 is a diagram showing waveforms at each point F to H of a conventional luminance/color signal circuit (FIG. 3). 1 is a 1H delay circuit, 2 is an adder, 3 is a 2H delay circuit, and 4 is a subtraction circuit.
Claims (1)
ビ信号から、輝度信号を分離する回路において、
入力信号を受ける遅延時間が１Ｈと２Ｈの超音波
遅延素子と、前記各遅延素子の出力信号の差信号
を得るとともに前記差信号と前記入力信号の和信
号を得る演算回路を有することを特徴とする輝度
・色信号分離回路。 In a circuit that separates a luminance signal from a composite television signal using line correlation of the television signal,
It is characterized by having ultrasonic delay elements having delay times of 1H and 2H that receive input signals, and an arithmetic circuit that obtains a difference signal between the output signals of each of the delay elements and a sum signal of the difference signal and the input signal. Luminance/color signal separation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161501U JPH0165577U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161501U JPH0165577U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165577U true JPH0165577U (en) | 1989-04-26 |
Family
ID=31444490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161501U Pending JPH0165577U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165577U (en) |
-
1987
- 1987-10-21 JP JP1987161501U patent/JPH0165577U/ja active Pending
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