JPS5545248A - Character-pattern signal receiving unit - Google Patents

Character-pattern signal receiving unit

Info

Publication number
JPS5545248A
JPS5545248A JP11836578A JP11836578A JPS5545248A JP S5545248 A JPS5545248 A JP S5545248A JP 11836578 A JP11836578 A JP 11836578A JP 11836578 A JP11836578 A JP 11836578A JP S5545248 A JPS5545248 A JP S5545248A
Authority
JP
Japan
Prior art keywords
signals
circuit
character
character pattern
displayed
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
JP11836578A
Other languages
Japanese (ja)
Inventor
Hidekazu Tsuboka
Hirosuke Okano
Yukio Takada
Hiroaki Saeki
Yoshimitsu Izura
Masayoshi Hirashima
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP11836578A priority Critical patent/JPS5545248A/en
Publication of JPS5545248A publication Critical patent/JPS5545248A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)
  • Television Systems (AREA)

Abstract

PURPOSE: To simplify a circuit constitution by using a microcomputer to convert character pattern signals, which have control information added for every block and are sent in different transmission speeds by different transmission mediums, to character pattern signals to be displayed.
CONSTITUTION: Character pattern data and clocks are reproduced from character pattern information, which are transmitted through telephone line 1, by demodulator 4 and are outputted to terminals 5 and 6. In a character multiple broadcast, information transmitted from VIF11 has vertical and horizontal synchronizing signals separated by synchronizing branch circuit 14, and control information and data of character broadcast are outputted to terminal 17 by sampling gate generation circuit 15 and AND circuit 16. Then, the chrominance subcarrier is reproduced by color synchronization circuit 19 and is supplied to clock generation circuit 20 to generate clock signals to sample character signals and output them to terminals 17 and 18. These signals are converted to character pattern signals displayed on CRT31 through switching circuit 7 by the control of CPU35 of a microcomputer and are stored in RAM73 and are displayed on CRT31 through display signal generation circuit 28 and display signal switching circuit 29.
COPYRIGHT: (C)1980,JPO&Japio
JP11836578A 1978-09-25 1978-09-25 Character-pattern signal receiving unit Pending JPS5545248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11836578A JPS5545248A (en) 1978-09-25 1978-09-25 Character-pattern signal receiving unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11836578A JPS5545248A (en) 1978-09-25 1978-09-25 Character-pattern signal receiving unit

Publications (1)

Publication Number Publication Date
JPS5545248A true JPS5545248A (en) 1980-03-29

Family

ID=14734894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11836578A Pending JPS5545248A (en) 1978-09-25 1978-09-25 Character-pattern signal receiving unit

Country Status (1)

Country Link
JP (1) JPS5545248A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147286A (en) * 1982-02-25 1983-09-02 Mitsubishi Electric Corp Terminal device of picture information
JPS58147285A (en) * 1982-02-25 1983-09-02 Mitsubishi Electric Corp Terminal device of picture information
JPS58150384A (en) * 1982-03-02 1983-09-07 Mitsubishi Electric Corp Picture information terminal device
JPS62231573A (en) * 1986-03-31 1987-10-12 Fujitsu General Ltd Combined teletext and captain receiver
JPS62258568A (en) * 1987-01-28 1987-11-11 Fujitsu General Ltd Teletext receiver
JPS63100845A (en) * 1986-10-17 1988-05-02 Hitachi Ltd Module system in common use for loop and multidrop
JPS63155882A (en) * 1986-12-19 1988-06-29 Fujitsu General Ltd Captain and teletext receiver
JPS63177670A (en) * 1987-01-31 1988-07-21 Fujitsu General Ltd Character broadcast reception equipment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147286A (en) * 1982-02-25 1983-09-02 Mitsubishi Electric Corp Terminal device of picture information
JPS58147285A (en) * 1982-02-25 1983-09-02 Mitsubishi Electric Corp Terminal device of picture information
JPS58150384A (en) * 1982-03-02 1983-09-07 Mitsubishi Electric Corp Picture information terminal device
JPS62231573A (en) * 1986-03-31 1987-10-12 Fujitsu General Ltd Combined teletext and captain receiver
JPS63100845A (en) * 1986-10-17 1988-05-02 Hitachi Ltd Module system in common use for loop and multidrop
JPS63155882A (en) * 1986-12-19 1988-06-29 Fujitsu General Ltd Captain and teletext receiver
JPS62258568A (en) * 1987-01-28 1987-11-11 Fujitsu General Ltd Teletext receiver
JPS63177670A (en) * 1987-01-31 1988-07-21 Fujitsu General Ltd Character broadcast reception equipment

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