JPS5537005A - Communication mode setting system - Google Patents

Communication mode setting system

Info

Publication number
JPS5537005A
JPS5537005A JP10910178A JP10910178A JPS5537005A JP S5537005 A JPS5537005 A JP S5537005A JP 10910178 A JP10910178 A JP 10910178A JP 10910178 A JP10910178 A JP 10910178A JP S5537005 A JPS5537005 A JP S5537005A
Authority
JP
Japan
Prior art keywords
synchronizing
syn
mode
decoder
code
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
JP10910178A
Other languages
Japanese (ja)
Inventor
Takayuki Sugimoto
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10910178A priority Critical patent/JPS5537005A/en
Publication of JPS5537005A publication Critical patent/JPS5537005A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation

Abstract

PURPOSE:To carry out the switching easily of the communication mode by providing a means for detecting whether the communication mode in the data communication is SYN synchronizing or F synchronizing. CONSTITUTION:The received data enters the shift register 1 and is shifted by one bit and discriminated whether it is SYN synchronizing or F synchronizing by the decoder 2. If the data is F synchronizing, F pattern detect signal 4 is put out from the decoder 2 to make effective the F synchronizing mode transmission control circuit 9b. This is continued until in the received data, F synchronizing mode termination pattern appears and the F synchronizing mode receiver system is reset. In the case of receiving SYN code, SYN detect signal 3 is put out as output from the decoder 2 and SYN code detect signal 3 is put out as output to make effective SYN synchronizing control circuit 9a. This condition is continued until SYN synchronizing code is detected.
JP10910178A 1978-09-07 1978-09-07 Communication mode setting system Pending JPS5537005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10910178A JPS5537005A (en) 1978-09-07 1978-09-07 Communication mode setting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10910178A JPS5537005A (en) 1978-09-07 1978-09-07 Communication mode setting system

Publications (1)

Publication Number Publication Date
JPS5537005A true JPS5537005A (en) 1980-03-14

Family

ID=14501596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10910178A Pending JPS5537005A (en) 1978-09-07 1978-09-07 Communication mode setting system

Country Status (1)

Country Link
JP (1) JPS5537005A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028347A (en) * 1983-07-27 1985-02-13 Canon Inc Method and apparatus of data communication
JPS6113846A (en) * 1984-06-22 1986-01-22 アメリカン　テレフォン　アンド　テレグラフ　カムパニー Data format detector
JPS61242142A (en) * 1985-04-18 1986-10-28 Panafacom Ltd Communication control system
JPS6211345A (en) * 1985-07-09 1987-01-20 Matsushita Electric Ind Co Ltd Synchronous/asynchronous switching device
JPS62119037U (en) * 1986-01-20 1987-07-28
JPS6333038A (en) * 1986-07-03 1988-02-12 アメリカン　テレフオン　アンド　テレグラフ　カムパニ− Automatic synchronous/asynchronous modem

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028347A (en) * 1983-07-27 1985-02-13 Canon Inc Method and apparatus of data communication
JPH055215B2 (en) * 1983-07-27 1993-01-21 Canon Kk
JPS6113846A (en) * 1984-06-22 1986-01-22 アメリカン　テレフォン　アンド　テレグラフ　カムパニー Data format detector
JPS61242142A (en) * 1985-04-18 1986-10-28 Panafacom Ltd Communication control system
JPS6211345A (en) * 1985-07-09 1987-01-20 Matsushita Electric Ind Co Ltd Synchronous/asynchronous switching device
JPH0453341B2 (en) * 1985-07-09 1992-08-26 Matsushita Electric Ind Co Ltd
JPS62119037U (en) * 1986-01-20 1987-07-28
JPH0413863Y2 (en) * 1986-01-20 1992-03-30
JPS6333038A (en) * 1986-07-03 1988-02-12 アメリカン　テレフオン　アンド　テレグラフ　カムパニ− Automatic synchronous/asynchronous modem
JPH0543225B2 (en) * 1986-07-03 1993-07-01 American Telephone & Telegraph

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