DE3221000C2 - - Google Patents
Info
- Publication number
- DE3221000C2 DE3221000C2 DE3221000A DE3221000A DE3221000C2 DE 3221000 C2 DE3221000 C2 DE 3221000C2 DE 3221000 A DE3221000 A DE 3221000A DE 3221000 A DE3221000 A DE 3221000A DE 3221000 C2 DE3221000 C2 DE 3221000C2
- Authority
- DE
- Germany
- Prior art keywords
- transistor
- emitter
- amplifier
- video
- collector
- 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 - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 7
- 238000005513 bias potential Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 2
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000001629 suppression Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/229—Homodyne or synchrodyne circuits using at least a two emittor-coupled differential pair of transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Picture Signal Circuits (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/270,019 US4367491A (en) | 1981-06-03 | 1981-06-03 | Video signal recovery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3221000A1 DE3221000A1 (de) | 1982-12-23 |
| DE3221000C2 true DE3221000C2 (OSRAM) | 1990-04-26 |
Family
ID=23029555
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823221000 Granted DE3221000A1 (de) | 1981-06-03 | 1982-06-03 | Anordnung zum wiedergewinnen von videosignalen |
| DE3250018A Expired - Lifetime DE3250018C2 (OSRAM) | 1981-06-03 | 1982-06-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3250018A Expired - Lifetime DE3250018C2 (OSRAM) | 1981-06-03 | 1982-06-03 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4367491A (OSRAM) |
| JP (3) | JPS583379A (OSRAM) |
| KR (1) | KR880001554B1 (OSRAM) |
| AT (1) | AT386308B (OSRAM) |
| AU (1) | AU554757B2 (OSRAM) |
| CA (1) | CA1185356A (OSRAM) |
| DE (2) | DE3221000A1 (OSRAM) |
| ES (1) | ES8304393A1 (OSRAM) |
| FI (1) | FI76467C (OSRAM) |
| FR (1) | FR2507417B1 (OSRAM) |
| GB (1) | GB2100946B (OSRAM) |
| IT (1) | IT1151258B (OSRAM) |
| SE (1) | SE454038B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367491A (en) * | 1981-06-03 | 1983-01-04 | Rca Corporation | Video signal recovery system |
| US5410745A (en) * | 1993-05-20 | 1995-04-25 | Motorola, Inc. | Detector and video amplifier |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3577008A (en) * | 1969-01-22 | 1971-05-04 | Rca Corp | Automatic frequency control apparatus |
| US3742130A (en) * | 1971-08-06 | 1973-06-26 | Gen Electric | Television receiver incorporating synchronous detection |
| GB1473299A (en) * | 1973-08-13 | 1977-05-11 | Rca Corp | Feedback amplifier |
| US4052673A (en) * | 1976-08-30 | 1977-10-04 | Rca Corporation | Combined controlled oscillator and frequency multiplier |
| JPS6013567B2 (ja) * | 1978-03-30 | 1985-04-08 | ソニー株式会社 | テレビジヨン受像機 |
| US4253118A (en) * | 1979-07-02 | 1981-02-24 | Zenith Radio Corporation | Synchronous detection system |
| US4367491A (en) * | 1981-06-03 | 1983-01-04 | Rca Corporation | Video signal recovery system |
| JPH0435951A (ja) * | 1990-05-31 | 1992-02-06 | Matsushita Electric Ind Co Ltd | スクリーン印刷装置 |
-
1981
- 1981-06-03 US US06/270,019 patent/US4367491A/en not_active Expired - Lifetime
-
1982
- 1982-05-26 SE SE8203277A patent/SE454038B/sv not_active IP Right Cessation
- 1982-05-27 ES ES512584A patent/ES8304393A1/es not_active Expired
- 1982-05-27 FI FI821891A patent/FI76467C/fi not_active IP Right Cessation
- 1982-05-28 GB GB08215722A patent/GB2100946B/en not_active Expired
- 1982-05-31 CA CA000404101A patent/CA1185356A/en not_active Expired
- 1982-06-01 IT IT21624/82A patent/IT1151258B/it active
- 1982-06-01 AU AU84358/82A patent/AU554757B2/en not_active Expired
- 1982-06-02 FR FR8209605A patent/FR2507417B1/fr not_active Expired
- 1982-06-03 JP JP57095573A patent/JPS583379A/ja active Granted
- 1982-06-03 DE DE19823221000 patent/DE3221000A1/de active Granted
- 1982-06-03 DE DE3250018A patent/DE3250018C2/de not_active Expired - Lifetime
- 1982-06-03 KR KR8202495A patent/KR880001554B1/ko not_active Expired
- 1982-06-03 AT AT0214682A patent/AT386308B/de not_active IP Right Cessation
-
1989
- 1989-12-29 JP JP1344945A patent/JPH03187586A/ja active Granted
-
1992
- 1992-05-19 JP JP4152867A patent/JP2509130B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3221000A1 (de) | 1982-12-23 |
| JP2509130B2 (ja) | 1996-06-19 |
| ATA214682A (de) | 1987-12-15 |
| JPH0670257A (ja) | 1994-03-11 |
| ES512584A0 (es) | 1983-02-16 |
| AT386308B (de) | 1988-08-10 |
| ES8304393A1 (es) | 1983-02-16 |
| FR2507417B1 (fr) | 1987-08-21 |
| FI76467B (fi) | 1988-06-30 |
| JPH0514471B2 (OSRAM) | 1993-02-25 |
| JPH0435951B2 (OSRAM) | 1992-06-12 |
| SE8203277L (sv) | 1982-12-04 |
| GB2100946B (en) | 1984-09-05 |
| AU8435882A (en) | 1982-12-09 |
| CA1185356A (en) | 1985-04-09 |
| JPS583379A (ja) | 1983-01-10 |
| AU554757B2 (en) | 1986-09-04 |
| US4367491A (en) | 1983-01-04 |
| FR2507417A1 (fr) | 1982-12-10 |
| KR840001035A (ko) | 1984-03-26 |
| JPH03187586A (ja) | 1991-08-15 |
| FI76467C (fi) | 1988-10-10 |
| IT8221624A0 (it) | 1982-06-01 |
| DE3250018C2 (OSRAM) | 1990-06-13 |
| IT1151258B (it) | 1986-12-17 |
| SE454038B (sv) | 1988-03-21 |
| GB2100946A (en) | 1983-01-06 |
| FI821891A0 (fi) | 1982-05-27 |
| KR880001554B1 (ko) | 1988-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| 8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 3250018 Format of ref document f/p: P |
|
| Q171 | Divided out to: |
Ref country code: DE Ref document number: 3250018 |
|
| AH | Division in |
Ref country code: DE Ref document number: 3250018 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| AH | Division in |
Ref country code: DE Ref document number: 3250018 Format of ref document f/p: P |
|
| 8364 | No opposition during term of opposition |