CA1233559A - Quasi-parallel television if suitable for stereo sound reception - Google Patents
Quasi-parallel television if suitable for stereo sound receptionInfo
- Publication number
- CA1233559A CA1233559A CA000468167A CA468167A CA1233559A CA 1233559 A CA1233559 A CA 1233559A CA 000468167 A CA000468167 A CA 000468167A CA 468167 A CA468167 A CA 468167A CA 1233559 A CA1233559 A CA 1233559A
- Authority
- CA
- Canada
- Prior art keywords
- amplitude
- multiplier
- signal
- sound
- coupled
- 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
- 230000005236 sound signal Effects 0.000 claims abstract description 21
- 230000010363 phase shift Effects 0.000 claims abstract description 13
- 239000000969 carrier Substances 0.000 claims abstract description 4
- 230000004044 response Effects 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010897 surface acoustic wave 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
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- 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
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
-
- 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
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/62—Intercarrier circuits, i.e. heterodyning sound and vision carriers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US556,127 | 1983-11-29 | ||
| US06/556,127 US4660088A (en) | 1983-11-29 | 1983-11-29 | Quasi-parallel television if suitable for stereo sound reception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1233559A true CA1233559A (en) | 1988-03-01 |
Family
ID=24219996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000468167A Expired CA1233559A (en) | 1983-11-29 | 1984-11-19 | Quasi-parallel television if suitable for stereo sound reception |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4660088A (OSRAM) |
| JP (1) | JP2596726B2 (OSRAM) |
| KR (1) | KR920006952B1 (OSRAM) |
| CA (1) | CA1233559A (OSRAM) |
| DE (1) | DE3443628A1 (OSRAM) |
| FR (1) | FR2555848B1 (OSRAM) |
| GB (1) | GB2167620B (OSRAM) |
| HK (1) | HK25093A (OSRAM) |
| IT (1) | IT1209601B (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639786A (en) * | 1985-10-23 | 1987-01-27 | Rca Corporation | Television sound signal processor |
| US4974087A (en) * | 1989-04-13 | 1990-11-27 | Rca Licensing Corporation | Parallel sound if with reference carrier derived from quasi-synchronous video detector |
| US5177613A (en) * | 1990-02-26 | 1993-01-05 | Thomson Consumer Electronics, Inc. | Quasi-parallel if with shared saw filter |
| DE4315128A1 (de) * | 1993-05-07 | 1994-11-10 | Philips Patentverwaltung | Schaltungsanordnung zum Demodulieren der Tonsignale in einem Fernsehsignal |
| ATE230638T1 (de) * | 1996-05-03 | 2003-01-15 | Lindenport S A | Verfahren und vorrichtung zur verflüssigung von sedimenten aus verdicktem rohöl |
| KR100214481B1 (ko) * | 1996-05-21 | 1999-08-02 | 구본준 | 음성다중 신호처리장치 |
| CN103091586B (zh) * | 2013-01-22 | 2015-07-01 | 青岛海信移动通信技术股份有限公司 | 电容式触摸屏的标配充电器判别方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796963A (en) * | 1972-11-06 | 1974-03-12 | Rca Corp | Signal limiter for exalted carrier am detector |
| DE2812895C3 (de) * | 1977-03-26 | 1988-11-10 | Sanyo Electric Co., Ltd., Moriguchi, Osaka | Bild-/Intercarrier-Ton-Detektorschaltung für einen Fernsehempfänger |
| JPS6013567B2 (ja) * | 1978-03-30 | 1985-04-08 | ソニー株式会社 | テレビジヨン受像機 |
-
1983
- 1983-11-29 US US06/556,127 patent/US4660088A/en not_active Expired - Lifetime
-
1984
- 1984-11-19 CA CA000468167A patent/CA1233559A/en not_active Expired
- 1984-11-26 IT IT8423733A patent/IT1209601B/it active
- 1984-11-28 FR FR8418123A patent/FR2555848B1/fr not_active Expired
- 1984-11-28 KR KR8407453A patent/KR920006952B1/ko not_active Expired
- 1984-11-28 GB GB08430040A patent/GB2167620B/en not_active Expired
- 1984-11-28 JP JP59252807A patent/JP2596726B2/ja not_active Expired - Fee Related
- 1984-11-29 DE DE19843443628 patent/DE3443628A1/de active Granted
-
1993
- 1993-03-18 HK HK250/93A patent/HK25093A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR920006952B1 (en) | 1992-08-22 |
| GB2167620B (en) | 1987-12-09 |
| GB8430040D0 (en) | 1985-01-09 |
| HK25093A (en) | 1993-03-26 |
| JPS60136483A (ja) | 1985-07-19 |
| US4660088A (en) | 1987-04-21 |
| DE3443628A1 (de) | 1985-06-05 |
| FR2555848B1 (fr) | 1988-12-30 |
| FR2555848A1 (fr) | 1985-05-31 |
| IT1209601B (it) | 1989-08-30 |
| JP2596726B2 (ja) | 1997-04-02 |
| DE3443628C2 (OSRAM) | 1989-09-28 |
| IT8423733A0 (it) | 1984-11-26 |
| KR850004006A (ko) | 1985-06-29 |
| GB2167620A (en) | 1986-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |