JPS57174962A - Modem for two-wire type half duplex communication - Google Patents
Modem for two-wire type half duplex communicationInfo
- Publication number
- JPS57174962A JPS57174962A JP56060465A JP6046581A JPS57174962A JP S57174962 A JPS57174962 A JP S57174962A JP 56060465 A JP56060465 A JP 56060465A JP 6046581 A JP6046581 A JP 6046581A JP S57174962 A JPS57174962 A JP S57174962A
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- circuit
- modem
- transmission
- duplex communication
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Bidirectional Digital Transmission (AREA)
- Communication Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56060465A JPS57174962A (en) | 1981-04-20 | 1981-04-20 | Modem for two-wire type half duplex communication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56060465A JPS57174962A (en) | 1981-04-20 | 1981-04-20 | Modem for two-wire type half duplex communication |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57174962A true JPS57174962A (en) | 1982-10-27 |
JPS6328376B2 JPS6328376B2 (ja) | 1988-06-08 |
Family
ID=13143034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56060465A Granted JPS57174962A (en) | 1981-04-20 | 1981-04-20 | Modem for two-wire type half duplex communication |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57174962A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0252537A (ja) * | 1988-08-16 | 1990-02-22 | Fujitsu Ltd | 2線式半二重通信におけるキャリア制御方法 |
JP4841548B2 (ja) * | 2004-06-16 | 2011-12-21 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 高速シリアル伝送リンク用の自動適応型等化方法及びシステム |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0785730B2 (ja) * | 1994-02-10 | 1995-09-20 | 船井電機株式会社 | 製パン器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5424505A (en) * | 1977-07-26 | 1979-02-23 | Hitachi Ltd | Modem control unit of semi-double type |
JPS5472935A (en) * | 1977-11-24 | 1979-06-11 | Hitachi Ltd | Control system for reconstitution of computer system |
JPS54114136A (en) * | 1978-02-27 | 1979-09-06 | Hitachi Ltd | Microprogram loading system |
-
1981
- 1981-04-20 JP JP56060465A patent/JPS57174962A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5424505A (en) * | 1977-07-26 | 1979-02-23 | Hitachi Ltd | Modem control unit of semi-double type |
JPS5472935A (en) * | 1977-11-24 | 1979-06-11 | Hitachi Ltd | Control system for reconstitution of computer system |
JPS54114136A (en) * | 1978-02-27 | 1979-09-06 | Hitachi Ltd | Microprogram loading system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0252537A (ja) * | 1988-08-16 | 1990-02-22 | Fujitsu Ltd | 2線式半二重通信におけるキャリア制御方法 |
JP4841548B2 (ja) * | 2004-06-16 | 2011-12-21 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 高速シリアル伝送リンク用の自動適応型等化方法及びシステム |
Also Published As
Publication number | Publication date |
---|---|
JPS6328376B2 (ja) | 1988-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57174962A (en) | Modem for two-wire type half duplex communication | |
JPS53123601A (en) | Data transmission system | |
JPS5711563A (en) | Transmission carrier control system for modulation and demodulation device | |
JPS5478607A (en) | Data transmission system | |
JPS56104558A (en) | Switching system of multitransmission line | |
JPS57183154A (en) | Multispeed transmission system | |
JPS5399710A (en) | Signal transmission circuit | |
JPS57174963A (en) | Modem for two-wire half duplex communication | |
JPS5466009A (en) | Detection system for circuit fault of two-wire communication device | |
JPS5355902A (en) | Data transmission system | |
JPS5368103A (en) | Data transmission system | |
JPS56114462A (en) | Annular data transmission system | |
JPS54159101A (en) | Communication control unit | |
JPS57138240A (en) | Hairpin network | |
JPS5527777A (en) | Control system for picture signal transmission | |
JPS56138347A (en) | Elastic memory controlling circuit | |
JPS5346207A (en) | Data transmission system | |
JPS5676661A (en) | Data transmission control circuit | |
JPS5443431A (en) | Communication control unit | |
JPS57184352A (en) | Forming system of communication circuit network | |
JPS5253610A (en) | Fault judgement control system in transmission system | |
JPS5678263A (en) | Signal transmitter-receiver | |
JPS53127221A (en) | Full duplex data transmission unit of two wire type | |
JPS57131146A (en) | Data transfer system | |
JPS5324203A (en) | Loop transmission control system |