JPS56500517A - - Google Patents
Info
- Publication number
- JPS56500517A JPS56500517A JP50091580A JP50091580A JPS56500517A JP S56500517 A JPS56500517 A JP S56500517A JP 50091580 A JP50091580 A JP 50091580A JP 50091580 A JP50091580 A JP 50091580A JP S56500517 A JPS56500517 A JP S56500517A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- 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
- H04N7/087—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 with signal insertion during the vertical blanking interval only
- H04N7/088—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 with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—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 with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7914977 | 1979-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56500517A true JPS56500517A (ja) | 1981-04-16 |
JPH0244190B2 JPH0244190B2 (ja) | 1990-10-03 |
Family
ID=10504854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55500915A Expired - Lifetime JPH0244190B2 (ja) | 1979-04-30 | 1980-04-30 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4394687A (ja) |
JP (1) | JPH0244190B2 (ja) |
GB (1) | GB2062426B (ja) |
WO (1) | WO1980002489A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
US4479146A (en) * | 1982-03-08 | 1984-10-23 | Discovision Associates | Vertical code verifier |
US4916539A (en) * | 1983-04-21 | 1990-04-10 | The Weather Channel, Inc. | Communications system having receivers which can be addressed in selected classes |
US4725886A (en) * | 1983-04-21 | 1988-02-16 | The Weather Channel, Inc. | Communications system having an addressable receiver |
DE3688855T2 (de) * | 1985-05-01 | 1994-03-17 | Gen Instrument Corp | Satellitenübertragungssystem mit Direktübertragung. |
GB2181928B (en) * | 1985-10-16 | 1989-10-25 | Philips Electronic Associated | Teletext television receivers |
US5121430C2 (en) * | 1991-02-19 | 2002-09-10 | Quad Dimension Inc | Storm alert for emergencies |
GB9826697D0 (en) * | 1998-12-05 | 1999-01-27 | Philips Electronics Nv | Television receiver |
US6695302B1 (en) * | 1999-10-29 | 2004-02-24 | Energy Saving Products And Sales Corporation | Method and apparatus for separating a stream of spaced documents into discrete groups |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5383516A (en) * | 1976-12-28 | 1978-07-24 | Matsushita Electric Ind Co Ltd | Static picture receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1370535A (en) * | 1973-05-09 | 1974-10-16 | British Broadcasting Corp | Transmission of alphanumeric data by television |
GB1486771A (en) * | 1973-07-30 | 1977-09-21 | Indep Broadcasting Authority | Television systems |
US3982065A (en) * | 1973-10-31 | 1976-09-21 | The General Electric Company Limited | Combined television/data receivers |
FR2404350A1 (fr) * | 1975-06-06 | 1979-04-20 | Telediffusion Fse | Systeme de diffusion de donnees |
US4032972A (en) * | 1976-06-23 | 1977-06-28 | Idr, Inc. | Piggy back row grabbing system |
FR2363949A1 (fr) * | 1976-09-06 | 1978-03-31 | Telediffusion Fse | Systeme de transmission numerique et d'affichage de textes sur un ecran de television |
GB1585028A (en) * | 1977-05-10 | 1981-02-18 | Indesit | Colour television systems |
-
1980
- 1980-04-30 WO PCT/GB1980/000078 patent/WO1980002489A1/en unknown
- 1980-04-30 JP JP55500915A patent/JPH0244190B2/ja not_active Expired - Lifetime
- 1980-04-30 GB GB8040917A patent/GB2062426B/en not_active Expired
- 1980-04-30 US US06/227,050 patent/US4394687A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5383516A (en) * | 1976-12-28 | 1978-07-24 | Matsushita Electric Ind Co Ltd | Static picture receiver |
Also Published As
Publication number | Publication date |
---|---|
US4394687A (en) | 1983-07-19 |
GB2062426B (en) | 1982-11-17 |
JPH0244190B2 (ja) | 1990-10-03 |
GB2062426A (en) | 1981-05-20 |
WO1980002489A1 (en) | 1980-11-13 |