JPS6441542A - Picture communication method - Google Patents
Picture communication methodInfo
- Publication number
- JPS6441542A JPS6441542A JP62198434A JP19843487A JPS6441542A JP S6441542 A JPS6441542 A JP S6441542A JP 62198434 A JP62198434 A JP 62198434A JP 19843487 A JP19843487 A JP 19843487A JP S6441542 A JPS6441542 A JP S6441542A
- Authority
- JP
- Japan
- Prior art keywords
- start signal
- transmission
- time
- transmission start
- negotiation
- 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
Abstract
PURPOSE:To realize efficient picture communication by selecting a transmission start signal depending on the establishment of negotiation and applying high speed transmission of picture information at a transmission speed corresponding to the transmission start signal so as to attain the transmission suitable for equipments or lines. CONSTITUTION:At the time of sending a negotiation start signal and detecting a response signal with respect to the negotiation signal within a prescribed time by the control of a CPU2, after the equipment at the sender receives the 1st transmission start signal for a prescribed time, the picture information is sent in the 1st transmission mode corresponding to the 1st transmission start signal by a high speed MODEM 5. When no response signal is detected within the prescribed time, after the 2nd transmission start signal different from the 1st transmission start signal is sent for a prescribed time, the picture information is sent in the 2nd transmission mode corresponding to the 2nd transmission start signal by the high speed MODEM 5. At the time of detecting the negotiation start signal for a specified time in the equipment at the receiver side, the response signal to the negotiation start signal is sent and at the time of detecting the transmission start signal for a specified time, the equipment receives the picture information in the transmission mode corresponding to the received transmission start signal.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62198434A JPS6441542A (en) | 1987-08-07 | 1987-08-07 | Picture communication method |
US07/194,818 US4939767A (en) | 1987-05-20 | 1988-05-17 | System and method for transmitting image data on a telephone network or equivalent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62198434A JPS6441542A (en) | 1987-08-07 | 1987-08-07 | Picture communication method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6441542A true JPS6441542A (en) | 1989-02-13 |
Family
ID=16391021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62198434A Pending JPS6441542A (en) | 1987-05-20 | 1987-08-07 | Picture communication method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6441542A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03166853A (en) * | 1989-09-06 | 1991-07-18 | Electron & Telecommun Res Inst | Picture information communication control device for general circuit and method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129861A (en) * | 1982-01-27 | 1983-08-03 | Mitsubishi Electric Corp | Data processor |
-
1987
- 1987-08-07 JP JP62198434A patent/JPS6441542A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129861A (en) * | 1982-01-27 | 1983-08-03 | Mitsubishi Electric Corp | Data processor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03166853A (en) * | 1989-09-06 | 1991-07-18 | Electron & Telecommun Res Inst | Picture information communication control device for general circuit and method |
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