JPS61139017U - - Google Patents
Info
- Publication number
- JPS61139017U JPS61139017U JP2221385U JP2221385U JPS61139017U JP S61139017 U JPS61139017 U JP S61139017U JP 2221385 U JP2221385 U JP 2221385U JP 2221385 U JP2221385 U JP 2221385U JP S61139017 U JPS61139017 U JP S61139017U
- Authority
- JP
- Japan
- Prior art keywords
- charge transfer
- delay time
- signal
- output
- comb filter
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Networks Using Active Elements (AREA)
Description
第１図は本考案の一実施例を示すブロツク系統
図、第２図は従来のくし形フイルタの一例を示す
ブロツク系統図、第３図は電荷転送素子の入出力
特性の一例を示す図である。
１…入力端子、２…電荷転送素子、３…クロツ
クパルス入力端子、７，３０…減算回路、１０…
輝度信号入力端子、１１…第１の電荷転送素子、
１２，１６…電荷注入部、１３，１７…電荷転送
部、１４，１８…電荷検出部、１９…クロツクパ
ルス入力端子、２１…タイミング制御部、２２〜
２５…ドライバ、３１…加算回路、３２，３３…
出力端子。
Fig. 1 is a block system diagram showing an embodiment of the present invention, Fig. 2 is a block system diagram showing an example of a conventional comb filter, and Fig. 3 is a diagram showing an example of input/output characteristics of a charge transfer element. be. DESCRIPTION OF SYMBOLS 1...Input terminal, 2...Charge transfer element, 3...Clock pulse input terminal, 7, 30...Subtraction circuit, 10...
Luminance signal input terminal, 11...first charge transfer element,
12, 16... Charge injection section, 13, 17... Charge transfer section, 14, 18... Charge detection section, 19... Clock pulse input terminal, 21... Timing control section, 22-
25...Driver, 31...Addition circuit, 32, 33...
Output terminal.
Claims (1)
て出力する第１の電荷転送素子と、該第１の電荷
転送素子と略同一の入出力特性を有しており、上
記入力信号に対して所望の遅延時間τと該第１の
遅延時間との和に等しい第２の遅延時間を付与し
て出力する第２の電荷転送素子と、該第１及び第
２の電荷転送素子より取り出された第１及び第２
の出力信号が夫々供給され、それらの減算を行な
いそれにより得た信号を上記所望の遅延時間τの
遅延回路を用いたくし形フイルタの出力信号とし
て出力する減算回路とより構成したくし形フイル
タ。 (2) 該第１及び第２の電荷転送素子は夫々同一
ウエハー上に構成されてなる実用新案登録請求の
範囲第１項記載のくし形フイルタ。[Claims for Utility Model Registration] (1) A first charge transfer device that adds a first delay time to an input signal and outputs the signal, and a device that has substantially the same input/output characteristics as the first charge transfer device. a second charge transfer element that outputs the input signal with a second delay time equal to the sum of the desired delay time τ and the first delay time; and the first and second charges taken out from the second charge transfer element.
A comb filter comprising: a subtraction circuit to which output signals of are respectively supplied, subtract the signals, and output the resulting signal as an output signal of a comb filter using a delay circuit having the desired delay time τ. (2) The comb filter according to claim 1, wherein the first and second charge transfer elements are each formed on the same wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2221385U JPS61139017U (en) | 1985-02-19 | 1985-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2221385U JPS61139017U (en) | 1985-02-19 | 1985-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139017U true JPS61139017U (en) | 1986-08-28 |
Family
ID=30514310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2221385U Pending JPS61139017U (en) | 1985-02-19 | 1985-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139017U (en) |
-
1985
- 1985-02-19 JP JP2221385U patent/JPS61139017U/ja active Pending
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