JPS54132118A - Conversation-type still picture control system - Google Patents
Conversation-type still picture control systemInfo
- Publication number
- JPS54132118A JPS54132118A JP4001778A JP4001778A JPS54132118A JP S54132118 A JPS54132118 A JP S54132118A JP 4001778 A JP4001778 A JP 4001778A JP 4001778 A JP4001778 A JP 4001778A JP S54132118 A JPS54132118 A JP S54132118A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone
- conversation
- memory
- information
- 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.)
- Pending
Links
Landscapes
- Closed-Circuit Television Systems (AREA)
Abstract
PURPOSE: To secure the alteration of the display state by the information of the telephone circuit as well as the coded control information by realizing such constitution in that the plural types of still pictures can be displayed on the screen of the TV picture receiver installed to each telephone of the information exchange system and through selection from the picture memory which stores the still pictures previously.
CONSTITUTION: The still picture stored in video file memory 14 is drawn out as desired through control of common control circuit 13 and then memorized in 1- frame buffer memory 15, and the contents is displayed on TV picture receiver 19 via RF adaptor 16. Then the output, which added the conversation from telephone 1 to the output passed through hybrid circuit 2 and MF generator 4 via MF generator 3 along with the information of key 5, is applied to circuit 13 via main buffer register 7, and then the still pictures are switched through control of memory 14 based on the output of circuit 13. Thus, part or the whole of the screen is altered. In such way, the display state can be altered mutually via the telephone circuit in terms of conversation.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4001778A JPS54132118A (en) | 1978-04-05 | 1978-04-05 | Conversation-type still picture control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4001778A JPS54132118A (en) | 1978-04-05 | 1978-04-05 | Conversation-type still picture control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54132118A true JPS54132118A (en) | 1979-10-13 |
Family
ID=12569128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4001778A Pending JPS54132118A (en) | 1978-04-05 | 1978-04-05 | Conversation-type still picture control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54132118A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |
-
1978
- 1978-04-05 JP JP4001778A patent/JPS54132118A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |
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