CA2117346A1 - Scanless tv transmission system - Google Patents
Scanless tv transmission systemInfo
- Publication number
- CA2117346A1 CA2117346A1 CA002117346A CA2117346A CA2117346A1 CA 2117346 A1 CA2117346 A1 CA 2117346A1 CA 002117346 A CA002117346 A CA 002117346A CA 2117346 A CA2117346 A CA 2117346A CA 2117346 A1 CA2117346 A1 CA 2117346A1
- Authority
- CA
- Canada
- Prior art keywords
- transmission
- bits
- information
- codes
- bit
- 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.)
- Abandoned
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 125
- 230000015654 memory Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 17
- 230000000295 complement effect Effects 0.000 claims description 14
- 239000000872 buffer Substances 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 4
- 230000003534 oscillatory effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 12
- 230000002688 persistence Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 28
- 230000000875 corresponding effect Effects 0.000 description 15
- 230000010355 oscillation Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 230000002459 sustained effect Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Color Television Systems (AREA)
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81241791A | 1991-12-23 | 1991-12-23 | |
| US812,417 | 1991-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2117346A1 true CA2117346A1 (en) | 1993-07-08 |
Family
ID=25209498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002117346A Abandoned CA2117346A1 (en) | 1991-12-23 | 1992-12-17 | Scanless tv transmission system |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0619057A1 (de) |
| JP (1) | JPH07502633A (de) |
| AU (1) | AU3327193A (de) |
| BR (1) | BR9206980A (de) |
| CA (1) | CA2117346A1 (de) |
| FI (1) | FI943010A (de) |
| HU (1) | HUT70716A (de) |
| WO (1) | WO1993013611A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075817A (en) * | 1991-12-23 | 2000-06-13 | Digital Compression Technology | Compressive communication and storage system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1262124A (fr) * | 1959-06-15 | 1961-05-26 | Western Electric Co | Dispositif de transmission d'impulsions de code avec interversion d'une impulsion sur deux |
| US3715508A (en) * | 1967-09-15 | 1973-02-06 | Ibm | Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences |
| US3728529A (en) * | 1969-10-08 | 1973-04-17 | Sperry Rand Corp | Two-way communication system employing two-clock frequency pseudo-noise signal modulation |
| SE393726B (sv) * | 1975-12-02 | 1977-05-16 | Ericsson Telefon Ab L M | Anleggning for duplexoverforing medelst fasmultiplex over en tvatradsforbindelse mellan en huvudterminal och en slavterminal |
| US4293953A (en) * | 1979-12-28 | 1981-10-06 | The United States Of America As Represented By The Secretary Of The Army | Bi-orthogonal PCM communications system employing multiplexed noise codes |
| US4477900A (en) * | 1980-04-30 | 1984-10-16 | Broadcom, Incorporated | Successive frame digital multiplexer with increased channel capacity |
| US4392220A (en) * | 1980-05-30 | 1983-07-05 | Nippon Electric Co., Ltd. | Modem to be coupled to a directional transmission line of an SS multiplex communication network |
| US4601045A (en) * | 1984-08-03 | 1986-07-15 | Larse Corporation | Modulator-demodulator method and apparatus with efficient bandwidth utilization |
| DE4025026C2 (de) * | 1989-12-07 | 1997-06-12 | Dirr Josef | Verfahren zur mehrstufigen Codierung von Information |
| US5029210A (en) * | 1990-01-29 | 1991-07-02 | Compfax Corp. | Cooperative communication system |
-
1992
- 1992-12-17 JP JP5511764A patent/JPH07502633A/ja active Pending
- 1992-12-17 HU HU9401888A patent/HUT70716A/hu unknown
- 1992-12-17 CA CA002117346A patent/CA2117346A1/en not_active Abandoned
- 1992-12-17 BR BR9206980A patent/BR9206980A/pt active Search and Examination
- 1992-12-17 AU AU33271/93A patent/AU3327193A/en not_active Abandoned
- 1992-12-17 EP EP93901165A patent/EP0619057A1/de not_active Withdrawn
- 1992-12-17 WO PCT/US1992/010962 patent/WO1993013611A1/en not_active Application Discontinuation
-
1994
- 1994-06-22 FI FI943010A patent/FI943010A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU3327193A (en) | 1993-07-28 |
| HU9401888D0 (en) | 1994-09-28 |
| EP0619057A1 (de) | 1994-10-12 |
| HUT70716A (en) | 1995-10-30 |
| JPH07502633A (ja) | 1995-03-16 |
| WO1993013611A1 (en) | 1993-07-08 |
| BR9206980A (pt) | 1995-12-05 |
| FI943010A (fi) | 1994-08-22 |
| FI943010A0 (fi) | 1994-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 19971217 |