GB1262153A - Television-facsimile apparatus - Google Patents
Television-facsimile apparatusInfo
- Publication number
- GB1262153A GB1262153A GB504169A GB504169A GB1262153A GB 1262153 A GB1262153 A GB 1262153A GB 504169 A GB504169 A GB 504169A GB 504169 A GB504169 A GB 504169A GB 1262153 A GB1262153 A GB 1262153A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crt
- television
- facsimile
- line
- horizontal
- 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
Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Television Systems (AREA)
Abstract
1,262,153. Television; multiplex radio signalling. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 29 Jan., 1969 [2 Feb., 1968 (3)], No. 5041/69. Headings H4F and H4L. Facsimile signals are superimposed upon a television signal in the vertical blanking periods preferably after the second group of equalizing pulses, and at a television receiver the output of the video amplifier in addition to being applied to the receiver's display CRT is also applied directly to a facsimile CRT which is rendered operative i.e. unblanked, during the occurrence of the facsimile signals, the television CRT being then blanked. The same horizontal and vertical deflection circuits and the same high voltage supply circuit are connected to both CRT's. The facsimile CRT comprises a line scan CRT e.g. a pin or optical fibre tube, the resulting line display being recorded on a recording paper sheet which is intermittently moved one line width per television field i.e. one line of the facsimile signal is transmitted during the vertical blanking period of each television field. Instead of each line of the facsimile signal being spread over three horizontal line periods in the vertical blanking period as in the described prior art, it is arranged to occupy only one horizontal line period so that the horizontal deflection circuit current for the television display CRT may be applied directly to the facsimile CRT horizontal deflection coil.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP755068 | 1968-02-02 | ||
| JP682268 | 1968-02-02 | ||
| JP755168 | 1968-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1262153A true GB1262153A (en) | 1972-02-02 |
Family
ID=27277359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB504169A Expired GB1262153A (en) | 1968-02-02 | 1969-01-29 | Television-facsimile apparatus |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1905170B2 (en) |
| FR (1) | FR2001208A1 (en) |
| GB (1) | GB1262153A (en) |
| NL (1) | NL6901558A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2730566A (en) * | 1949-12-27 | 1956-01-10 | Bartow Beacons Inc | Method and apparatus for x-ray fluoroscopy |
| GB700982A (en) * | 1950-08-02 | 1953-12-16 | Emi Ltd | Improvements relating to the production of stereoscopic images |
| US3493674A (en) * | 1965-05-28 | 1970-02-03 | Rca Corp | Television message system for transmitting auxiliary information during the vertical blanking interval of each television field |
-
1969
- 1969-01-29 GB GB504169A patent/GB1262153A/en not_active Expired
- 1969-01-31 FR FR6902079A patent/FR2001208A1/en active Granted
- 1969-01-31 NL NL6901558A patent/NL6901558A/xx unknown
- 1969-02-03 DE DE19691905170 patent/DE1905170B2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1905170A1 (en) | 1969-09-04 |
| NL6901558A (en) | 1969-08-05 |
| FR2001208B1 (en) | 1974-05-03 |
| FR2001208A1 (en) | 1969-09-26 |
| DE1905170B2 (en) | 1971-06-24 |
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