JPS5075707A - - Google Patents
Info
- Publication number
- JPS5075707A JPS5075707A JP48125114A JP12511473A JPS5075707A JP S5075707 A JPS5075707 A JP S5075707A JP 48125114 A JP48125114 A JP 48125114A JP 12511473 A JP12511473 A JP 12511473A JP S5075707 A JPS5075707 A JP S5075707A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/06—Answer-back mechanisms or circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48125114A JPS5075707A (US06544258-20030408-M00015.png) | 1973-11-07 | 1973-11-07 | |
GB47928/74A GB1484161A (en) | 1973-11-07 | 1974-11-06 | Methods and devices for confirming correct connection between data terminals in system of data terminals linked by a telephone network |
DE19742452699 DE2452699C3 (de) | 1973-11-07 | 1974-11-06 | Verfahren zur Bestätigung der richtigen Verbindung zwischen zwei Datenendstellen |
US05/790,550 US4246442A (en) | 1973-11-07 | 1977-04-25 | Method and device for confirming correct connection between data terminals in data communication system using telephone network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48125114A JPS5075707A (US06544258-20030408-M00015.png) | 1973-11-07 | 1973-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5075707A true JPS5075707A (US06544258-20030408-M00015.png) | 1975-06-21 |
Family
ID=14902178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48125114A Pending JPS5075707A (US06544258-20030408-M00015.png) | 1973-11-07 | 1973-11-07 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4246442A (US06544258-20030408-M00015.png) |
JP (1) | JPS5075707A (US06544258-20030408-M00015.png) |
GB (1) | GB1484161A (US06544258-20030408-M00015.png) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345807U (US06544258-20030408-M00015.png) * | 1976-09-22 | 1978-04-19 | ||
JPS5360501A (en) * | 1976-11-12 | 1978-05-31 | Anritsu Electric Co Ltd | Automatic transmission and receiving controller |
JPS5393703A (en) * | 1977-01-25 | 1978-08-17 | Ibm | Data communication method |
JPS54137202A (en) * | 1978-04-15 | 1979-10-24 | Jiyouhou Shiyori Kenkiyuushiyo | Data or voice automatic transmitter*receiver utilizing telephone channel |
JPS5556748A (en) * | 1978-10-23 | 1980-04-25 | Fujitsu Ltd | Secret communication system |
JPS57160245A (en) * | 1981-03-12 | 1982-10-02 | Nederlanden Staat | Radio teletype communication system and device |
JPS5859644A (ja) * | 1981-06-05 | 1983-04-08 | エクサイド・エレクトロニクス・インタ−ナシヨナル・コ−ポレ−シヨン | コンピユ−タ通信制御装置 |
JPS5863250A (ja) * | 1981-10-12 | 1983-04-15 | Nippon Telegr & Teleph Corp <Ntt> | メツセ−ジ蓄積通信網の誤配送防止方式 |
JPS59132584U (ja) * | 1983-02-25 | 1984-09-05 | 山下 俊彦 | 防犯用キ−ホルダ |
JPS6120451A (ja) * | 1984-07-06 | 1986-01-29 | Toshiba Corp | デ−タ収集方式 |
JPH06195024A (ja) * | 1991-09-13 | 1994-07-15 | American Teleph & Telegr Co <Att> | 通信チャネル開設方法および顧客装置 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839172C3 (de) * | 1978-09-08 | 1987-07-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Fernverwaltung von Datenspeichern und Fernwartung in einem zentralgesteuerten Fernsprechvermittlungssystem, insbesondere in zentralgesteuerten Fernsprechnebenstellenanlagen mit Verbindungsverkehr |
EP0046831B1 (fr) * | 1980-08-26 | 1984-12-05 | International Business Machines Corporation | Système de retransmission de trames numérotées et reçues en erreur dans un système de transmission de données |
US4421951A (en) * | 1981-09-24 | 1983-12-20 | Bell Telephone Laboratories, Incorporated | Method and arrangement for signaling the transmission mode of a communication system |
US4430728A (en) | 1981-12-29 | 1984-02-07 | Marathon Oil Company | Computer terminal security system |
ATE33741T1 (de) * | 1983-02-10 | 1988-05-15 | Krone Ag | Verfahren und vorrichtung zur signalisierung zwischen bildfernsprechapparaten bei einer bestehenden fernsprechverbindung. |
US4882752A (en) * | 1986-06-25 | 1989-11-21 | Lindman Richard S | Computer security system |
US4878242A (en) * | 1986-07-25 | 1989-10-31 | Ricoh Corporation | Teleconferencing system |
US5128985A (en) * | 1987-04-01 | 1992-07-07 | Canon Kabushiki Kaisha | Communication system having a plurality of voice communication terminals and a data communication terminal |
US5131025A (en) * | 1987-11-25 | 1992-07-14 | Omron Tateisi Electronics Co. | Intelligent modem system which determines proper access thereto |
US4941115A (en) * | 1988-06-20 | 1990-07-10 | International Business Machines Corporation | Hand-held tester for communications ports of a data processor |
AU4527789A (en) * | 1988-11-02 | 1990-05-28 | Howard W. Selby Iii | Remote linkable computer bus |
DE4013727C2 (de) * | 1990-04-28 | 1999-03-11 | Bayerische Motoren Werke Ag | Steuervorrichtung für technische Anlagen und Maschinen |
US6381643B1 (en) * | 1999-11-08 | 2002-04-30 | International Business Machines Corporation | Mechanism and procedure for detecting switch mis-cabling |
JP4151661B2 (ja) * | 2005-02-28 | 2008-09-17 | 村田機械株式会社 | 通信装置及びプログラム |
US8031854B2 (en) * | 2008-10-20 | 2011-10-04 | At&T Intellectual Property I, L.P. | Methods, systems, and products for providing ring backs |
US8604926B2 (en) * | 2010-05-12 | 2013-12-10 | International Business Machines Corporation | Automatic verification of network cable connections |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB692412A (en) * | 1948-04-30 | 1953-06-03 | Standard Telephones Cables Ltd | Improvements in or relating to telecommunication exchange systems |
US3397287A (en) * | 1963-08-26 | 1968-08-13 | Nippon Electric Co | Automatic answer-back system |
US3327288A (en) * | 1963-08-26 | 1967-06-20 | Arthur F Webber | Self-editing data transmission system |
US3314051A (en) * | 1964-05-12 | 1967-04-11 | Willcox | Selective-call data system |
US3384873A (en) * | 1965-01-22 | 1968-05-21 | Collins Radio Co | Selective calling system |
US3484694A (en) * | 1966-03-16 | 1969-12-16 | Sangamo Electric Co | Data transmission system wherein system control is divided between a plurality of levels for remote location activation |
US3508205A (en) * | 1967-01-17 | 1970-04-21 | Computer Usage Co Inc | Communications security system |
US3566365A (en) * | 1968-09-12 | 1971-02-23 | Searle Medidata Inc | Multiphasic medical screening system |
US3680045A (en) * | 1969-09-10 | 1972-07-25 | Applied Digital Data Syst | Data transmission echoing unit |
US3780907A (en) * | 1969-10-03 | 1973-12-25 | Parke Davis & Co | System for remote control of package-dispensing station |
US3654604A (en) * | 1970-01-05 | 1972-04-04 | Constellation Science And Tech | Secure communications control system |
GB1351373A (en) * | 1971-09-16 | 1974-04-24 | Creed Co Ltd | Telegraph printing apparatus |
GB1429467A (en) * | 1972-02-28 | 1976-03-24 | Chubb Integrated Systems Ltd | Access- or transactioncontrol equipment |
US3805234A (en) * | 1972-07-31 | 1974-04-16 | Westinghouse Electric Corp | Digital data transmission system |
DE2423260A1 (de) * | 1974-05-14 | 1975-11-20 | Siemens Ag | Verfahren und schaltungsanordnung zur pruefung von daten verarbeitenden anlagen, insbesondere fernsprechvermittlungsanlagen mit ueber ein busleitungssystem an eine steuerzentrale angeschlossenen peripheren einrichtungen |
JPS5420299B2 (US06544258-20030408-M00015.png) * | 1974-06-03 | 1979-07-21 | ||
US3984637A (en) * | 1974-11-29 | 1976-10-05 | The Singer Company | Computer terminal security system |
US4114139A (en) * | 1977-01-25 | 1978-09-12 | International Business Machines Corporation | Security controlled information exchange system |
-
1973
- 1973-11-07 JP JP48125114A patent/JPS5075707A/ja active Pending
-
1974
- 1974-11-06 GB GB47928/74A patent/GB1484161A/en not_active Expired
-
1977
- 1977-04-25 US US05/790,550 patent/US4246442A/en not_active Expired - Lifetime
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345807U (US06544258-20030408-M00015.png) * | 1976-09-22 | 1978-04-19 | ||
JPS5360501A (en) * | 1976-11-12 | 1978-05-31 | Anritsu Electric Co Ltd | Automatic transmission and receiving controller |
JPS5393703A (en) * | 1977-01-25 | 1978-08-17 | Ibm | Data communication method |
JPS54137202A (en) * | 1978-04-15 | 1979-10-24 | Jiyouhou Shiyori Kenkiyuushiyo | Data or voice automatic transmitter*receiver utilizing telephone channel |
JPS5556748A (en) * | 1978-10-23 | 1980-04-25 | Fujitsu Ltd | Secret communication system |
JPS5758824B2 (US06544258-20030408-M00015.png) * | 1978-10-23 | 1982-12-11 | Fujitsu Ltd | |
JPS57160245A (en) * | 1981-03-12 | 1982-10-02 | Nederlanden Staat | Radio teletype communication system and device |
JPH0356027B2 (US06544258-20030408-M00015.png) * | 1981-06-05 | 1991-08-27 | ||
JPS5859644A (ja) * | 1981-06-05 | 1983-04-08 | エクサイド・エレクトロニクス・インタ−ナシヨナル・コ−ポレ−シヨン | コンピユ−タ通信制御装置 |
JPS5863250A (ja) * | 1981-10-12 | 1983-04-15 | Nippon Telegr & Teleph Corp <Ntt> | メツセ−ジ蓄積通信網の誤配送防止方式 |
JPS6358503B2 (US06544258-20030408-M00015.png) * | 1981-10-12 | 1988-11-16 | ||
JPS6322948Y2 (US06544258-20030408-M00015.png) * | 1983-02-25 | 1988-06-23 | ||
JPS59132584U (ja) * | 1983-02-25 | 1984-09-05 | 山下 俊彦 | 防犯用キ−ホルダ |
JPS6120451A (ja) * | 1984-07-06 | 1986-01-29 | Toshiba Corp | デ−タ収集方式 |
JPH06195024A (ja) * | 1991-09-13 | 1994-07-15 | American Teleph & Telegr Co <Att> | 通信チャネル開設方法および顧客装置 |
JP2675494B2 (ja) * | 1991-09-13 | 1997-11-12 | エイ・ティ・アンド・ティ・コーポレーション | 通信チャネルを開設するための認証方法および移動機 |
Also Published As
Publication number | Publication date |
---|---|
DE2452699A1 (de) | 1975-05-28 |
US4246442A (en) | 1981-01-20 |
GB1484161A (en) | 1977-09-01 |
DE2452699B2 (de) | 1977-06-23 |