JPS641391A - Comb-line filter - Google Patents
Comb-line filterInfo
- Publication number
- JPS641391A JPS641391A JP15708187A JP15708187A JPS641391A JP S641391 A JPS641391 A JP S641391A JP 15708187 A JP15708187 A JP 15708187A JP 15708187 A JP15708187 A JP 15708187A JP S641391 A JPS641391 A JP S641391A
- Authority
- JP
- Japan
- Prior art keywords
- delay element
- pass filter
- band pass
- ringing
- ccd delay
- 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
Landscapes
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (AREA)
Abstract
PURPOSE: To reduce ringing and waveform distortion by constituting a glass 1H delay line (1H-DL) by means of a CCD delay element and a band pass filter having the center frequency of 3.85MHz, to which the output signal of the CCD delay element is inputted, and adding/subtracting a video signal delayed by 1H in the 1H-DL to/from an input video signal.
CONSTITUTION: The 1H-DL 10 consists of the CCD delay element 8 and the band pass filter 9 having the center frequency of 3.85MHz. Namely, the 1H-DL 10 consisting of the CCD delay element 8 and the band pass filter 9 delays the input video signal by 1H without generating distortion such as ringing. Thus, a luminance signal component and chrominance signal component without having the distortion of ringing or the like can be obtained in the output signal of an adder 5 and the output signal of a subtractor 6.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-157081A JPH011391A (en) | 1987-06-23 | comb filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-157081A JPH011391A (en) | 1987-06-23 | comb filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS641391A true JPS641391A (en) | 1989-01-05 |
| JPH011391A JPH011391A (en) | 1989-01-05 |
Family
ID=
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