BE783542A - FILTER FOR THE INTERMEDIATE FREQUENCY PART OF A COLOR TELEVISION RECEIVER - Google Patents
FILTER FOR THE INTERMEDIATE FREQUENCY PART OF A COLOR TELEVISION RECEIVERInfo
- Publication number
- BE783542A BE783542A BE783542A BE783542A BE783542A BE 783542 A BE783542 A BE 783542A BE 783542 A BE783542 A BE 783542A BE 783542 A BE783542 A BE 783542A BE 783542 A BE783542 A BE 783542A
- Authority
- BE
- Belgium
- Prior art keywords
- filter
- intermediate frequency
- television receiver
- color television
- frequency part
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
- H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1548271 | 1971-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE783542A true BE783542A (en) | 1972-11-16 |
Family
ID=10059918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE783542A BE783542A (en) | 1971-05-18 | 1972-05-16 | FILTER FOR THE INTERMEDIATE FREQUENCY PART OF A COLOR TELEVISION RECEIVER |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5341937B1 (en) |
AU (1) | AU468110B2 (en) |
BE (1) | BE783542A (en) |
DE (1) | DE2220924C3 (en) |
ES (1) | ES402770A1 (en) |
FR (1) | FR2138105B1 (en) |
GB (1) | GB1351286A (en) |
IT (1) | IT958874B (en) |
NL (1) | NL7206490A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1554366A (en) * | 1977-02-04 | 1979-10-17 | Philips Electronic Associated | Acoustic surface wave devices |
FR2428350A1 (en) * | 1978-06-06 | 1980-01-04 | Thomson Csf | SURFACE ELASTIC WAVE FILTER AND INTERMEDIATE FREQUENCY STAGE OF A TELEVISION RECEIVER COMPRISING SUCH A FILTER |
JPS55134587A (en) * | 1979-04-05 | 1980-10-20 | Sanyo Electric Co Ltd | Color television receiver |
JPS57172422U (en) * | 1981-04-25 | 1982-10-30 | ||
JPS5857813A (en) * | 1981-10-02 | 1983-04-06 | Hitachi Ltd | Surface acoustic wave device with variable amplitude frequency characteristic |
US4604595A (en) * | 1982-06-16 | 1986-08-05 | Murata Manufacturing Co., Ltd. | Surface acoustic wave device having interdigitated comb electrodes weighted for odd/even response |
GB2157522B (en) * | 1984-04-09 | 1987-08-19 | Philips Electronic Associated | Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter |
-
1971
- 1971-05-18 GB GB1548271*[A patent/GB1351286A/en not_active Expired
-
1972
- 1972-04-28 DE DE2220924A patent/DE2220924C3/en not_active Expired
- 1972-05-12 AU AU42205/72A patent/AU468110B2/en not_active Expired
- 1972-05-13 NL NL7206490A patent/NL7206490A/xx unknown
- 1972-05-15 JP JP4728072A patent/JPS5341937B1/ja active Pending
- 1972-05-15 IT IT68519/72A patent/IT958874B/en active
- 1972-05-16 BE BE783542A patent/BE783542A/en unknown
- 1972-05-16 ES ES402770A patent/ES402770A1/en not_active Expired
- 1972-05-18 FR FR727217875A patent/FR2138105B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5341937B1 (en) | 1978-11-08 |
AU468110B2 (en) | 1976-01-08 |
IT958874B (en) | 1973-10-30 |
AU4220572A (en) | 1973-11-15 |
FR2138105B1 (en) | 1973-07-13 |
NL7206490A (en) | 1972-11-21 |
DE2220924C3 (en) | 1979-09-20 |
ES402770A1 (en) | 1975-10-16 |
DE2220924B2 (en) | 1979-02-01 |
GB1351286A (en) | 1974-04-24 |
FR2138105A1 (en) | 1972-12-29 |
DE2220924A1 (en) | 1972-12-07 |
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