US3588320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moding control for a data communication system
Assignee: SCM-P&S Inc
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Filing: 1968-10-28
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Granted: 1971-06-28
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Expires: 1988-10-28
Abstract
Abstract THE APPLICATION DISCLOSES A MODING CONTROL FOR A TELECOMMUNICATION SYSTEM BY WHICH DATA RECEIVERS, SUCH AS PRINTERS AND PUNCHES, AND DATA TRANSMITTERS, SUCH AS TAPE READERS AND KEYBOARD UNITS, ARE SELECTIVELY COUPLED TO EACH OTHER AND TO INCOMING AND OUTGOING LINES. THE TRANSMITTERS CAN BE PLACED IN ONLINE MODES OR IN LOCAL MODES COUPLED TO LOCAL RECEIVERS, WHILE THREE-STATE LOCAL, ONLINE, AND MONITOR MODE SELECTORS ARE PROVIDED FOR THE RECEIVERS. THE MODING CONTROL IS EXERTED BY MANUAL SELECTION COUPLED WITH LOGIC CIRCUITS AND IS SUCH AS TO INHIBIT ANY TRANSMITTER-RECEIVER DATA INTERFERENCE.
Inventors
- 👤 John Guzak Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:55
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |