US4456790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automated hardware inventory system
Assignee: AT&T Inc
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Filing: 1982-02-08
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Granted: 1984-06-26
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Expires: 2002-02-08
Abstract
Abstract There is disclosed an automated hardware inventory system for remote identification of system circuits. The system includes a central processing unit for addressing circuits over a bidirectional communication bus. A memory device and control circuitry is affixed to each circuit for the storage of information to identify each said circuit when addressed by the central processing unit. The identity information includes the vintage of the circuit.
Inventors
- 👤 Richard F. J. Soyack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:43
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0407; G; G06; G06Q; G06Q10/00; G06Q10/08; G06Q10/087; G06Q10/0877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
In a telephone communication system having a processor in communication with a remote terminal over a telephone line and wherein said processor is common to a plurality of system devices and is adapted to control the operation of said devices over a communication path common to said devices, an inventory arrangement comprising: individual memory means associated with each said device, said memory means having stored therein information bits unique to the identity of said associated device, and means controlled by data supplied by said remote terminal to said processor for enabling selected ones of said memory means to provide said stored unique identity information to said communication path.
Claim 2
Dependent Claim
108 words
In a telephone communication system having a processor in communication with a remote terminal over a telephone line and wherein said processor is common to a plurality of system devices and is adapted to control the operation of said devices over a communication path common to said devices, an inventory arrangement comprising: individual memory means associated with each said device, said memory means having stored therein information bits unique to the identity of said associated device, and means controlled by data supplied by said remote terminal to said processor for enabling selected ones of said memory means to provide said stored unique identity information to said communication path.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |