DE3614361C2 - - Google Patents
Info
- Publication number
- DE3614361C2 DE3614361C2 DE3614361A DE3614361A DE3614361C2 DE 3614361 C2 DE3614361 C2 DE 3614361C2 DE 3614361 A DE3614361 A DE 3614361A DE 3614361 A DE3614361 A DE 3614361A DE 3614361 C2 DE3614361 C2 DE 3614361C2
- Authority
- DE
- Germany
- Prior art keywords
- television
- cable
- video
- node
- frame memory
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/12—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations different stations being capable of presenting different information simultaneously
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
- G09B7/04—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying a further explanation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/78—CATV [Community Antenna Television] systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/93—Wired transmission systems
- H04H60/94—Telephonic networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
- H04N1/00098—Systems or arrangements for the transmission of the picture signal via a television channel, e.g. for a series of still pictures with or without sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/21—Intermediate information storage
- H04N1/2166—Intermediate information storage for mass storage, e.g. in document filing systems
- H04N1/2179—Interfaces allowing access to a plurality of users, e.g. connection to electronic image libraries
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3261—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of multimedia information, e.g. a sound signal
- H04N2201/3264—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of multimedia information, e.g. a sound signal of sound signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Physics & Mathematics (AREA)
- Library & Information Science (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
- Telephonic Communication Services (AREA)
- Television Signal Processing For Recording (AREA)
- Closed-Circuit Television Systems (AREA)
Description
- 1) eine große Anzahl Teilnehmer gleichzeitig versorgen,
- 2) Videobilder hoher Qualität innerhalb einer kurzen Ansprechzeit liefern,
- 3) arbeiten, ohne im Teilnehmerhaushalt neue Geräte zu erfordern, und
- 4) innerhalb der Beschränkungen der Anzahl der Fernsehkanäle arbeiten, die für ein typisches Kabelfernsehsystem verfügbar sind. Die meisten Kabelfernsehsysteme haben ein Maximum von näherungsweise 15 "leeren" Kanälen.
Claims (13)
- a) einer Kabelnabe (20) zur Erzeugung mehrerer Fernsehsignale,
- b) mehreren Streckenkabeln (21), die an die Kabelnabe angeschlossen sind, zur Übertragung der Fernsehsignale,
- c) mehrerer Knoten (25) entlang der Streckenkabel, denen die Fernsehsignale über die Streckenkabel zugeführt werden,
- d) mehreren Verteilerkabeln (31), die an die Knoten angeschlossen sind, zur weiteren Übertragung der Fernsehsignale und
- e) mehreren Anschlüssen (35) entlang der Verteilerkabel für jeweils zumindest ein Anschlußkabel (36), an das Fernsehgeräte der Teilnehmer anschließbar sind, denen die Fernsehsignale über das Verteilerkabel und das Anschlußkabel zugeführt werden,
- f) eine Knotenadresse-Eingabevorrichtung (79) zum Einfügen einer codierten Adresse in einer vorgegebenen Abtastzeile innerhalb der Austastlücke der Videohalbbilder des Fernsehstandbildes und
- g) einen Mehrfach-Vollbildspeicher (30) an den Knoten
(25) mit
- g1) einem Steuermodul (90) und
- g2) zumindest einem Knotenvollbildspeichermodul
(95), mit
- - einem Vollbildspeicher (210) für die Speicherung eines Fernsehstandbildes,
- - einer Verarbeitungseinheit (220) zur Erfassung der eingefügten codierten Adresse der übertragenen Fernsehstandbilder und zur Aktivierung des Vollbildspeichers (210) für die Speicherung des Fernsehstandbildes bei Übereinstimmung der erfaßten codierten Adresse und der dem Knotenvollbildspeichermodul zugeordneten Adresse und
- - Einrichtungen (300, 400) zur Modulierung und Übertragung der gespeicherten Fernsehstandbilder über das dem Knotenvollbildspeichermodul (95) zugeordnete Verteilerkabel (31).
- (1) einer Zentraleinheit (CPU) (60) zur Koordinierung aller CCU-Funktionen;
- (2) einer Anzahl Telefonmanagementeinheiten (TMU) (65), die telefonische Anforderungen der Teilnehmer empfangen und diese an die Zentraleinheit weiterleiten;
- (3) einer Einrichtung (69) zur Erzeugung von Hauptgleichlaufimpulsen; und mit
- (4) einer Anzahl Videoanzeigeeinheiten (70), von
denen jede folgende Elemente enthält:
- (i) einen Controller (71) zur Coordinierung der Aktivitäten der Videoanzeigeeinheiten, einschließlich der Prioritätsfestlegung und Verteilung der Übertragung der Fernsehstandbilder und zugehörigen Tonsignalen,
- (ii) ein Videoabspielgerät (73), insbesondere Bildplattenspieler, das über die Hauptgleichlaufimpulse -synchronisiert ist und diskrete Fernsehstandbilder mit den zugehörigen Tonsignalen als Tonfrequenzvollbilder speichert,
- (iii) eine Anzahl Tonfrequenzvollbildspeicher (75) zum selektiven Empfang der Tonfrequenzvollbilder, die einem jeweiligen Fernsehstandbild des Videoabspielgeräts (73) zugeordnet sind, und zur Umwandlung dieser Tonfrequenzvollbilder in ein moduliertes Analogsignal,
- (iv) eine Einrichtung (76) zur Abstimmung und Übertragung des analogen Tonfrequenzvollbildes auf das Streckenkabel (21)
- (v) einen Grafikdecodierer (77) zum Empfang von Grafikdaten aus der Zentraleinheit (60), die einem jeweiligen Fernsehstandbild zugeordnet sind, und zur Erzeugung solcher Daten in Grafikform, und
- (vi) einen Videokombinator (78) zum Empfang des Tonfrequenzvollbildes vom Viedoabspielgerät und zur Überlagerung der Grafikdaten vom Grafikdecodierer auf das Tonfrequenzvollbild.
- - einen Fernseh-Tuner (94) zum Durchlaß eines festgelegten Kanals, der die Fernsehstandbilder auf dem Streckenkabel führt, und
- - ein Kanalsperrglied (93) parallel zum Fernseh-Tuner, um den Kanal zu sperren, der die Fernsehstandbilder auf dem Streckenkabel führt, während andere Kanalfrequenzen auf dem Streckenkabel zum Verteilerkabel durchtreten können.
- a) Einfügen einer codierten Adresse in eine vorgegebene Abtastzeile innerhalb der Austastlücke der Videohalbbilder des Fernsehstandbildes,
- b) Übertragen des Fernsehstandbildes entlang des primären Übertragungswegs,
- c) Erfassen der eingefügten Adresse entlang des primären Übertragungswegs,
- d) Speichern des Fernsehstandbildes jeweils am Anfang des sekundären Übertragungswegs, dessen Adresse mit der erfaßten Adresse übereinstimmt, und
- e) wiederholte Übertragung des gespeicherten Fernsehstandbildes entlang des sekundären Übertragungswegs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3645247A DE3645247C2 (de) | 1985-04-29 | 1986-04-28 | Knotenvollbindspeicher zur Speicherung eines Fernsehstandbildes in einem Kabelfernsehsystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000480334A CA1284211C (en) | 1985-04-29 | 1985-04-29 | Cable television system selectively distributing pre-recorder video and audio messages |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3614361A1 DE3614361A1 (de) | 1986-11-13 |
DE3614361C2 true DE3614361C2 (de) | 1993-09-02 |
Family
ID=4130384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863614361 Granted DE3614361A1 (de) | 1985-04-29 | 1986-04-28 | Kabelfernsehsystem zur selektiven verteilung vorweg aufgezeichneter video- und tonfrequenzmitteilungen |
Country Status (20)
Country | Link |
---|---|
US (1) | US4734764A (de) |
JP (4) | JP2722062B2 (de) |
KR (1) | KR920001007B1 (de) |
AT (1) | AT402357B (de) |
AU (2) | AU597250B2 (de) |
BE (1) | BE904692A (de) |
CA (2) | CA1284211C (de) |
DE (1) | DE3614361A1 (de) |
DK (3) | DK193286A (de) |
ES (6) | ES8708273A1 (de) |
FI (1) | FI82578C (de) |
FR (2) | FR2581281B1 (de) |
GB (3) | GB2174874B (de) |
IE (1) | IE58730B1 (de) |
IT (1) | IT1188113B (de) |
LU (1) | LU86409A1 (de) |
MY (1) | MY100912A (de) |
NL (1) | NL8601109A (de) |
NO (1) | NO861644L (de) |
SE (3) | SE466180B (de) |
Families Citing this family (207)
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NL7908476A (nl) * | 1979-11-21 | 1981-06-16 | Philips Nv | Inrichting voor interaktieve beeldweergave. |
CA1182555A (en) * | 1980-02-25 | 1985-02-12 | Robert S. Block | Method and system for secure transmission and reception of video information, particularly for television |
DE3177228D1 (de) * | 1980-03-31 | 1990-12-06 | Gen Instrument Corp | Fernseh uebertragungsanordnung zum uebertragen von datensignalen. |
US4335402A (en) * | 1980-07-01 | 1982-06-15 | Rca Corporation | Information transmission during first-equalizing pulse interval in television |
US4359631A (en) * | 1980-07-11 | 1982-11-16 | Lawrence B. Lockwood | Self-service terminal |
US4455570A (en) * | 1980-10-13 | 1984-06-19 | Pioneer Electronic Corporation | CATV System |
US4404589A (en) * | 1980-10-21 | 1983-09-13 | Iri, Inc. | Cable television with multi-event signal substitution |
US4381522A (en) * | 1980-12-01 | 1983-04-26 | Adams-Russell Co., Inc. | Selective viewing |
US4383279A (en) * | 1980-12-01 | 1983-05-10 | North American Philips Corporation | Reproduction of special purpose information on a video disc |
US4422093A (en) * | 1981-04-01 | 1983-12-20 | Eeco Incorporated | Television burst service |
JPS57166790A (en) * | 1981-04-01 | 1982-10-14 | Eeco Inc | Television burst service |
CA1160734A (en) * | 1981-04-02 | 1984-01-17 | Northern Telecom Limited | Method of controlling scrambling and unscrambling in a pay tv system |
US4429332A (en) * | 1981-05-18 | 1984-01-31 | Eeco Incorporated | Television compressed audio |
JPS5812486A (ja) * | 1981-07-15 | 1983-01-24 | Victor Co Of Japan Ltd | 情報信号記録円盤 |
JPS5819087A (ja) * | 1981-07-24 | 1983-02-03 | Pioneer Electronic Corp | Catvシステムにおけるデ−タ |
US4426698A (en) * | 1981-08-24 | 1984-01-17 | Eeco Incorporated | Television digital data frame with error detection |
US4450481A (en) * | 1981-08-25 | 1984-05-22 | E-Com Corporation | Tamper-resistant, expandable communications system |
FR2518345B1 (fr) * | 1981-12-16 | 1986-10-10 | Gremillet Jacques | Procede de teledistribution d'informations enregistrees, notamment d'oeuvres musicales, et systeme de mise en oeuvre |
US4471380A (en) * | 1982-03-15 | 1984-09-11 | Scientific-Atlanta, Inc. | Scrambling and descrambling of television signals for subscription TV |
US4450477A (en) * | 1982-03-31 | 1984-05-22 | Lovett Bruce E | Television information system |
JPS58218004A (ja) * | 1982-06-10 | 1983-12-19 | Fuji Photo Film Co Ltd | 電子スチルカメラの音声記録方法および装置 |
JPS58219884A (ja) * | 1982-06-14 | 1983-12-21 | Sony Corp | Catvシステム |
US4461032A (en) * | 1982-06-21 | 1984-07-17 | Zenith Radio Corporation | CATV Service controller |
NL8303991A (nl) * | 1983-11-18 | 1985-06-17 | Nl Standard Electric Mij B V | Kabeltelevisienetwerk. |
-
1985
- 1985-04-29 CA CA000480334A patent/CA1284211C/en not_active Expired - Lifetime
- 1985-05-06 US US06/730,822 patent/US4734764A/en not_active Expired - Lifetime
-
1986
- 1986-04-07 FI FI861482A patent/FI82578C/fi not_active IP Right Cessation
- 1986-04-25 NO NO861644A patent/NO861644L/no unknown
- 1986-04-25 IE IE110186A patent/IE58730B1/en not_active IP Right Cessation
- 1986-04-25 SE SE8601939A patent/SE466180B/sv not_active IP Right Cessation
- 1986-04-28 AU AU56757/86A patent/AU597250B2/en not_active Ceased
- 1986-04-28 DE DE19863614361 patent/DE3614361A1/de active Granted
- 1986-04-28 FR FR868606128A patent/FR2581281B1/fr not_active Expired - Lifetime
- 1986-04-28 DK DK193286A patent/DK193286A/da not_active Application Discontinuation
- 1986-04-28 GB GB8610313A patent/GB2174874B/en not_active Expired
- 1986-04-28 AT AT0113786A patent/AT402357B/de not_active IP Right Cessation
- 1986-04-28 IT IT67349/86A patent/IT1188113B/it active
- 1986-04-28 ES ES554464A patent/ES8708273A1/es not_active Expired
- 1986-04-28 BE BE0/216603A patent/BE904692A/fr not_active IP Right Cessation
- 1986-04-28 LU LU86409A patent/LU86409A1/xx unknown
- 1986-04-29 NL NL8601109A patent/NL8601109A/nl not_active Application Discontinuation
- 1986-04-29 KR KR1019860003329A patent/KR920001007B1/ko not_active IP Right Cessation
- 1986-04-30 JP JP61100819A patent/JP2722062B2/ja not_active Expired - Fee Related
- 1986-10-30 FR FR868615165A patent/FR2590096B1/fr not_active Expired - Lifetime
- 1986-11-25 MY MYPI86000139A patent/MY100912A/en unknown
-
1987
- 1987-01-16 ES ES557330A patent/ES8900102A1/es not_active Expired
- 1987-01-16 ES ES557329A patent/ES8900032A1/es not_active Expired
- 1987-01-16 ES ES557328A patent/ES8900119A1/es not_active Expired
- 1987-02-06 DK DK061487A patent/DK61487D0/da not_active Application Discontinuation
- 1987-02-06 DK DK061387A patent/DK61387D0/da unknown
-
1988
- 1988-01-15 ES ES557804A patent/ES8900103A1/es not_active Expired
- 1988-01-15 ES ES557805A patent/ES8802356A1/es not_active Expired
-
1989
- 1989-01-04 SE SE8900029A patent/SE504934C2/sv not_active IP Right Cessation
- 1989-01-16 GB GB8900915A patent/GB2216757B/en not_active Expired - Lifetime
- 1989-01-16 GB GB8900913A patent/GB2217556B/en not_active Expired - Lifetime
-
1990
- 1990-08-03 AU AU60189/90A patent/AU6018990A/en not_active Abandoned
- 1990-09-10 SE SE9002880A patent/SE505858C3/sv not_active IP Right Cessation
- 1990-12-06 CA CA000615950A patent/CA1331053C/en not_active Expired - Fee Related
-
1994
- 1994-06-14 JP JP6131789A patent/JP3045217B2/ja not_active Expired - Lifetime
-
1996
- 1996-07-10 JP JP8180897A patent/JP2863134B2/ja not_active Expired - Fee Related
- 1996-07-10 JP JP8180898A patent/JP2951596B2/ja not_active Expired - Fee Related
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