CA1017016A - Electrical filters - Google Patents
Electrical filtersInfo
- Publication number
- CA1017016A CA1017016A CA167,423A CA167423A CA1017016A CA 1017016 A CA1017016 A CA 1017016A CA 167423 A CA167423 A CA 167423A CA 1017016 A CA1017016 A CA 1017016A
- Authority
- CA
- Canada
- Prior art keywords
- electrical filters
- filters
- electrical
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Networks Using Active Elements (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1548572A GB1425172A (en) | 1972-04-04 | 1972-04-04 | Circuits for the danamic range of a signal |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1017016A true CA1017016A (en) | 1977-09-06 |
Family
ID=10059970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA167,423A Expired CA1017016A (en) | 1972-04-04 | 1973-03-28 | Electrical filters |
Country Status (5)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56106433A (en) * | 1980-01-28 | 1981-08-24 | Sony Corp | Noise reducing circuit |
FR2622752B1 (fr) * | 1987-10-30 | 1990-02-23 | Labo Electronique Physique | Circuit formant un filtre actif r.c. pour application coupe-bande |
US5008634A (en) * | 1988-11-18 | 1991-04-16 | C. B. Labs, Inc. | System for controlling the dynamic range of electric musical instruments |
JP2601922B2 (ja) * | 1989-10-12 | 1997-04-23 | 株式会社東芝 | 映像信号雑音低減回路 |
FR2710808A1 (fr) * | 1993-09-29 | 1995-04-07 | Philips Electronics Nv | Téléviseur muni d'un dispositif de sélection de différentes sources. |
US5677957A (en) * | 1995-11-13 | 1997-10-14 | Hulsebus; Alan | Audio circuit producing enhanced ambience |
US5926063A (en) * | 1997-05-08 | 1999-07-20 | Sony Corporation | Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin |
CN101689835B (zh) * | 2007-06-20 | 2012-06-27 | Lm爱立信电话有限公司 | 发射机中改进的前馈降噪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2217839A (en) * | 1939-02-28 | 1940-10-15 | Rca Corp | Wide band amplifier |
US3325753A (en) * | 1963-04-19 | 1967-06-13 | Int Research & Dev Co Ltd | Band pass filter |
US3531652A (en) * | 1968-03-20 | 1970-09-29 | Allen Bradley Co | Active narrow notch filter |
-
1972
- 1972-04-04 GB GB1548572A patent/GB1425172A/en not_active Expired
-
1973
- 1973-03-28 CA CA167,423A patent/CA1017016A/en not_active Expired
- 1973-04-03 DE DE2316532A patent/DE2316532C2/de not_active Expired
- 1973-04-04 NL NLAANVRAGE7304695,A patent/NL183262C/xx not_active IP Right Cessation
-
1974
- 1974-10-18 US US05/515,843 patent/US3932819A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL183262B (nl) | 1988-04-05 |
NL7304695A (US07709020-20100504-C00068.png) | 1973-10-08 |
GB1425172A (en) | 1976-02-18 |
DE2316532A1 (de) | 1973-10-18 |
NL183262C (nl) | 1988-09-01 |
DE2316532C2 (de) | 1983-12-15 |
US3932819A (en) | 1976-01-13 |
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