JPS5571369A - Static picture transmission system - Google Patents

Static picture transmission system

Info

Publication number
JPS5571369A
JPS5571369A JP14414578A JP14414578A JPS5571369A JP S5571369 A JPS5571369 A JP S5571369A JP 14414578 A JP14414578 A JP 14414578A JP 14414578 A JP14414578 A JP 14414578A JP S5571369 A JPS5571369 A JP S5571369A
Authority
JP
Japan
Prior art keywords
signals
video
sound
circuit
stored
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
Application number
JP14414578A
Other languages
Japanese (ja)
Inventor
Hironobu Kato
Toshiharu Kawanishi
Norio Imanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP14414578A priority Critical patent/JPS5571369A/en
Publication of JPS5571369A publication Critical patent/JPS5571369A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce a transmission line cost by utilizing the same sound signal line, which has been provided already, to transmit video signals and sound signals accompanied with them in case of still picture transmission.
CONSTITUTION: Sound signals read from sound file 1 are modulated by modulator circuit 2. Video signals read from video file 3 are modulated by modulator circuit 4 and are stored in video signal storage circuit 5 temporarily. These modulated sound signals and video signals are switched into continuous signals "sound.video. sound.video..." by control signals generated from transmission-side control circuit 8 in switching circuit 6 and are transmitted to transmission line 9 through control signal superposing circuit 7. In receiving side B, these signals are separated into sound signals and video signals again by switching circuit 11, and sound signals are stored in displaying storage circuit 15, and video signals are demodulated and stored temporarily in displaying storage circuit 16 as one-picture components of video information after stored in storage circuit 13.
COPYRIGHT: (C)1980,JPO&Japio
JP14414578A 1978-11-24 1978-11-24 Static picture transmission system Pending JPS5571369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14414578A JPS5571369A (en) 1978-11-24 1978-11-24 Static picture transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14414578A JPS5571369A (en) 1978-11-24 1978-11-24 Static picture transmission system

Publications (1)

Publication Number Publication Date
JPS5571369A true JPS5571369A (en) 1980-05-29

Family

ID=15355260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14414578A Pending JPS5571369A (en) 1978-11-24 1978-11-24 Static picture transmission system

Country Status (1)

Country Link
JP (1) JPS5571369A (en)

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