CA1120582A - Stereophonic television sound transmission system - Google Patents
Stereophonic television sound transmission systemInfo
- Publication number
- CA1120582A CA1120582A CA000271170A CA271170A CA1120582A CA 1120582 A CA1120582 A CA 1120582A CA 000271170 A CA000271170 A CA 000271170A CA 271170 A CA271170 A CA 271170A CA 1120582 A CA1120582 A CA 1120582A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- signal
- component
- transmission system
- stereophonic sound
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 93
- 239000002131 composite material Substances 0.000 claims abstract description 70
- 230000005236 sound signal Effects 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 24
- 230000001965 increasing effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 14
- 230000000295 complement effect Effects 0.000 claims description 13
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- 238000012546 transfer Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 2
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- 239000000543 intermediate Substances 0.000 abstract description 12
- 238000012545 processing Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 17
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- 230000004048 modification Effects 0.000 description 6
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- 230000006872 improvement Effects 0.000 description 5
- 230000033458 reproduction Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000001702 transmitter Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 241001562081 Ikeda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000001668 ameliorated effect Effects 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
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- 108010007387 therin Proteins 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Television Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000390732A CA1145032A (en) | 1976-02-18 | 1981-11-23 | Receiver for stereophonic television sound transmission |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/659,101 US4048654A (en) | 1976-02-18 | 1976-02-18 | Stereophonic television sound transmission system |
| US659,101 | 1991-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1120582A true CA1120582A (en) | 1982-03-23 |
Family
ID=24644028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000271170A Expired CA1120582A (en) | 1976-02-18 | 1977-02-07 | Stereophonic television sound transmission system |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4048654A (en]) |
| JP (1) | JPS52122035A (en]) |
| CA (1) | CA1120582A (en]) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822355Y2 (ja) * | 1978-11-29 | 1983-05-13 | ソニー株式会社 | 音声多重信号再生装置 |
| JPS5596773A (en) * | 1979-01-19 | 1980-07-23 | Hitachi Ltd | Discrimination unit |
| DE2902933C3 (de) * | 1979-01-26 | 1983-02-10 | Interessengemeinschaft für Rundfunkschutzrechte GmbH, 4000 Düsseldorf | Einrichtung zum Empfangen von auf zwei gleichwertigen Einzelkanälen übertragenen stereophonen Signalen |
| US4339772A (en) * | 1980-10-14 | 1982-07-13 | Zenith Radio Corporation | TV Sound Transmission system |
| CA1182204A (en) * | 1980-10-14 | 1985-02-05 | Carl G. Eilers | Tv sound transmission system |
| JPS57190478A (en) * | 1981-05-18 | 1982-11-24 | Hitachi Ltd | Sound noise suppressing circuit |
| JPS57190477A (en) * | 1981-05-18 | 1982-11-24 | Hitachi Ltd | Noise suppressing circuit |
| DE3319238A1 (de) * | 1983-05-27 | 1984-11-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum aufbereiten von insbesondere fernseh-stereo-/zweiton-signalen |
| US4704726A (en) * | 1984-03-30 | 1987-11-03 | Rca Corporation | Filter arrangement for an audio companding system |
| US4646150A (en) * | 1986-01-03 | 1987-02-24 | General Instrument Corporation | Apparatus and method for stereo television sound |
| JPS6427003A (en) * | 1988-07-08 | 1989-01-30 | Hitachi Ltd | Reproducing device for found signal |
| US5428404A (en) * | 1993-01-29 | 1995-06-27 | Scientific-Atlanta, Inc. | Apparatus for method for selectively demodulating and remodulating alternate channels of a television broadcast |
| US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
| US8908872B2 (en) * | 1996-06-07 | 2014-12-09 | That Corporation | BTSC encoder |
| US5953067A (en) * | 1997-02-10 | 1999-09-14 | Cable Electronics, Inc. | Multichannel television sound stereo and surround sound encoder |
| US6037993A (en) * | 1997-03-17 | 2000-03-14 | Antec Corporation | Digital BTSC compander system |
| US6272226B1 (en) | 1997-04-02 | 2001-08-07 | Scientific-Atlanta, Inc. | Apparatus and method for masking audio signals in a signal distribution system |
| US6288747B1 (en) * | 1997-08-25 | 2001-09-11 | Cable Electronics, Inc. | Multichannel television sound stereo and surround sound encoder suitable for use with video signals encoded in plural formats |
| US6259482B1 (en) | 1998-03-11 | 2001-07-10 | Matthew F. Easley | Digital BTSC compander system |
| EP1326439B1 (en) * | 2001-12-19 | 2009-07-29 | Alps Electric Co., Ltd. | Television tuner unit |
| US6833877B2 (en) * | 2002-01-15 | 2004-12-21 | Trans Electric Co., Ltd. | RF converter having multiple AV/S terminals |
| US7184951B2 (en) * | 2002-02-15 | 2007-02-27 | Radiodetection Limted | Methods and systems for generating phase-derivative sound |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3046329A (en) * | 1962-07-24 | Amplifier | ||
| US3099707A (en) * | 1960-10-31 | 1963-07-30 | Gen Electric | Stereophonic system |
| US3221098A (en) * | 1962-08-15 | 1965-11-30 | Eugene S Feldman | Multiple lingual television in a multiplex broadcast system |
| JPS4029736Y1 (en]) * | 1964-04-18 | 1965-10-18 | ||
| US3936594A (en) * | 1974-08-05 | 1976-02-03 | Lincoln Center For The Performing Arts, Inc. | Secure television system |
-
1976
- 1976-02-18 US US05/659,101 patent/US4048654A/en not_active Expired - Lifetime
-
1977
- 1977-02-07 CA CA000271170A patent/CA1120582A/en not_active Expired
- 1977-02-18 JP JP1703077A patent/JPS52122035A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4048654B1 (en]) | 1987-11-10 |
| JPS52122035A (en) | 1977-10-13 |
| US4048654A (en) | 1977-09-13 |
| JPH0127636B2 (en]) | 1989-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19990323 |