IT1160348B - Assiene circuitale estensore per terminali a distanza azionati mediante scheda - Google Patents
Assiene circuitale estensore per terminali a distanza azionati mediante schedaInfo
- Publication number
- IT1160348B IT1160348B IT30876/78A IT3087678A IT1160348B IT 1160348 B IT1160348 B IT 1160348B IT 30876/78 A IT30876/78 A IT 30876/78A IT 3087678 A IT3087678 A IT 3087678A IT 1160348 B IT1160348 B IT 1160348B
- Authority
- IT
- Italy
- Prior art keywords
- card
- remote terminals
- terminals operated
- circuit extension
- extender circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/863,831 US4144584A (en) | 1977-12-23 | 1977-12-23 | Remote card operated terminal extensor circuitry |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7830876A0 IT7830876A0 (it) | 1978-12-15 |
IT1160348B true IT1160348B (it) | 1987-03-11 |
Family
ID=25341888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30876/78A IT1160348B (it) | 1977-12-23 | 1978-12-15 | Assiene circuitale estensore per terminali a distanza azionati mediante scheda |
Country Status (7)
Country | Link |
---|---|
US (1) | US4144584A (it) |
JP (1) | JPS5488039A (it) |
CA (1) | CA1104227A (it) |
DE (1) | DE2852487A1 (it) |
FR (1) | FR2412887A1 (it) |
GB (1) | GB2011220B (it) |
IT (1) | IT1160348B (it) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303472A (en) * | 1962-10-08 | 1967-02-07 | Control Data Corp | System and apparatus for automatic data collection |
US3314051A (en) * | 1964-05-12 | 1967-04-11 | Willcox | Selective-call data system |
US3731282A (en) * | 1971-08-27 | 1973-05-01 | Allied Management & Systems Co | Multifunction routing network |
US3898373A (en) * | 1971-09-09 | 1975-08-05 | Leo F Walsh | Data communication system |
US3803419A (en) * | 1972-05-01 | 1974-04-09 | Texas Instruments Inc | Optically coupled threshold monitoring system |
US3833884A (en) * | 1973-06-25 | 1974-09-03 | Ibm | Badge or credit card reading system with integral status monitoring |
US4025760A (en) * | 1975-08-14 | 1977-05-24 | Addressograph Multigraph Corporation | Security means for transaction terminal system |
US4025905A (en) * | 1975-11-28 | 1977-05-24 | Incoterm Corporation | System for on-line processing of banking transactions |
-
1977
- 1977-12-23 US US05/863,831 patent/US4144584A/en not_active Expired - Lifetime
-
1978
- 1978-10-25 CA CA314,266A patent/CA1104227A/en not_active Expired
- 1978-10-30 JP JP13273778A patent/JPS5488039A/ja active Pending
- 1978-11-21 FR FR7833616A patent/FR2412887A1/fr active Granted
- 1978-12-05 DE DE19782852487 patent/DE2852487A1/de not_active Withdrawn
- 1978-12-06 GB GB7847446A patent/GB2011220B/en not_active Expired
- 1978-12-15 IT IT30876/78A patent/IT1160348B/it active
Also Published As
Publication number | Publication date |
---|---|
CA1104227A (en) | 1981-06-30 |
DE2852487A1 (de) | 1979-06-28 |
GB2011220A (en) | 1979-07-04 |
FR2412887B1 (it) | 1983-06-10 |
FR2412887A1 (fr) | 1979-07-20 |
JPS5488039A (en) | 1979-07-12 |
US4144584A (en) | 1979-03-13 |
GB2011220B (en) | 1982-02-24 |
IT7830876A0 (it) | 1978-12-15 |
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