JPS57123780A - Character multiplex broadcast receiver - Google Patents
Character multiplex broadcast receiverInfo
- Publication number
- JPS57123780A JPS57123780A JP56007969A JP796981A JPS57123780A JP S57123780 A JPS57123780 A JP S57123780A JP 56007969 A JP56007969 A JP 56007969A JP 796981 A JP796981 A JP 796981A JP S57123780 A JPS57123780 A JP S57123780A
- Authority
- JP
- Japan
- Prior art keywords
- character
- circuit
- display
- signal
- receive
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
PURPOSE:To receive a TV and a character broadcast efficiently, for also to receive the services of the TV and character braodcast simultaneously, by receiving a character broadcast signal, and selectively displaying the TV and character broadcasts on a screen. CONSTITUTION:In updating operation, when a display key input equipment 21 discriminates the presence of a key input, an update code discriminating circuit 20 knows the update of character information from an update code added to the character signal of a character braodcast program selected on a keyboard 12, and operates a signal switching circuit 19 through a display gate setting circuit 18 so as to display a composite signal of character information written in a display memory 13 on a CRT5, thus receiving new updated information securely. If the character information is not updated, the circuit 20 operates the circuit 19 through the circuit 18 so as to display a TV video signal on the CRT5, thereby eliminating the need to receive character information again once it is received.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56007969A JPS57123780A (en) | 1981-01-23 | 1981-01-23 | Character multiplex broadcast receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56007969A JPS57123780A (en) | 1981-01-23 | 1981-01-23 | Character multiplex broadcast receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57123780A true JPS57123780A (en) | 1982-08-02 |
JPH0554309B2 JPH0554309B2 (en) | 1993-08-12 |
Family
ID=11680287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56007969A Granted JPS57123780A (en) | 1981-01-23 | 1981-01-23 | Character multiplex broadcast receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57123780A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58147284A (en) * | 1982-02-25 | 1983-09-02 | Mitsubishi Electric Corp | Receiver of character multiplex broadcast |
JPS58168393A (en) * | 1982-03-29 | 1983-10-04 | Matsushita Electric Ind Co Ltd | Device for receiving multiple-character broadcasting |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5222814A (en) * | 1975-08-14 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Emergency announcement device to standstill image |
JPS53163023U (en) * | 1977-05-27 | 1978-12-20 | ||
JPS5551072A (en) * | 1978-10-05 | 1980-04-14 | Hoechst Ag | 44phenyll1*33benzodiazepin and its manufacture |
-
1981
- 1981-01-23 JP JP56007969A patent/JPS57123780A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5222814A (en) * | 1975-08-14 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Emergency announcement device to standstill image |
JPS53163023U (en) * | 1977-05-27 | 1978-12-20 | ||
JPS5551072A (en) * | 1978-10-05 | 1980-04-14 | Hoechst Ag | 44phenyll1*33benzodiazepin and its manufacture |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58147284A (en) * | 1982-02-25 | 1983-09-02 | Mitsubishi Electric Corp | Receiver of character multiplex broadcast |
JPS58168393A (en) * | 1982-03-29 | 1983-10-04 | Matsushita Electric Ind Co Ltd | Device for receiving multiple-character broadcasting |
JPH0427758B2 (en) * | 1982-03-29 | 1992-05-12 | Matsushita Electric Ind Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPH0554309B2 (en) | 1993-08-12 |
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