JPH01159460U - - Google Patents
Info
- Publication number
- JPH01159460U JPH01159460U JP5502388U JP5502388U JPH01159460U JP H01159460 U JPH01159460 U JP H01159460U JP 5502388 U JP5502388 U JP 5502388U JP 5502388 U JP5502388 U JP 5502388U JP H01159460 U JPH01159460 U JP H01159460U
- Authority
- JP
- Japan
- Prior art keywords
- test data
- switching
- error
- amount
- line
- 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
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Communication Control (AREA)
Description
第１図は本考案による画像伝送装置の一実施例
の構成図である。
１，２……画像伝送装置、３……回線、１１，
２１……送信制御部、１２，２２……受信制御部
、１３，２３……伝送速度制御部、１４，２４…
…計数器、１５，２５……テストデータ発生器、
１６，２６……比較器、１７，２７……画像処理
部、１０１，１０２，２０１，２０２……伝送速
度変更信号。
FIG. 1 is a block diagram of an embodiment of an image transmission device according to the present invention. 1, 2... Image transmission device, 3... Line, 11,
21... Transmission control section, 12, 22... Reception control section, 13, 23... Transmission speed control section, 14, 24...
... Counter, 15, 25 ... Test data generator,
16, 26... Comparator, 17, 27... Image processing section, 101, 102, 201, 202... Transmission speed change signal.
Claims (1)
おいて、回線誤り量を測定する為のテストデータ
を発生するテストデータ発生手段と、前記テスト
データを回線に送出する手段と、回線から前記テ
ストデータを受信する手段と、受信した前記テス
トデータと前記テストデータ発生手段により発生
したテストデータを比較し誤り量を測定する手段
と前記誤り量に従つて自己の画像伝送速度を切り
替える手段と、相手装置の伝送速度を切り替える
の為の切替信号を送出する手段と、前記切替信号
を受信し伝送速度を切り替える手段とを有して成
ることを特徴とする画像伝送装置。 An image transmission device that encodes and transmits an image signal, comprising a test data generating means for generating test data for measuring the amount of line error, a means for transmitting the test data to a line, and a means for receiving the test data from the line. means for comparing the received test data and the test data generated by the test data generating means to measure an amount of error; means for switching its own image transmission rate according to the amount of error; An image transmission device comprising: means for transmitting a switching signal for switching the speed; and means for receiving the switching signal and switching the transmission speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502388U JPH01159460U (en) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502388U JPH01159460U (en) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159460U true JPH01159460U (en) | 1989-11-06 |
Family
ID=31280929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5502388U Pending JPH01159460U (en) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159460U (en) |
-
1988
- 1988-04-22 JP JP5502388U patent/JPH01159460U/ja active Pending
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