US4974080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generator with display and memory card
Assignee: Magni Systems Inc
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Filing: 1989-06-13
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Granted: 1990-11-27
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Expires: 2009-06-13
Abstract
Abstract A video test signal generator system with removable memory card and display provides a combination of a front panel display and a removable memory card in a video test signal generator. The memory card allows a user to program the generator in a number of configurations never before possible. The removable memory card can be used to store signal data which is used by the generator in producing test signals, signal selectio protocol and status information which is printed on the front panel display to indicate the generator settings.
Inventors
- 👤 Ben Fritchie
- 👤 Mark Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:57
CPC Classifications
H; H04; H04N; H04N17/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
47 words
A video test signal generator comprising front panel means including a front panel display, removable memory means for storing signal data for producing test signals, signal selection protocol and status information, said front panel means including means for printing said status information on said front panel display.
Claim 2
Dependent Claim
47 words
A video test signal generator comprising front panel means including a front panel display, removable memory means for storing signal data for producing test signals, signal selection protocol and status information, said front panel means including means for printing said status information on said front panel display.
Claim 3
Dependent Claim
21 words
A generator as in claim 1 including keypad means for entering changeable user configurations to or from said removable memory means.
Claim 4
Dependent Claim
27 words
A generator as in claim 1 including format LED display means for displaying changeable LED means to indicate the current format of the output of said generator.
Claim 5
Dependent Claim
30 words
A generator as in claim 2, wherein said removable memory means includes single button operation means for enabling users to configure stored multiple generator settings and signals to be recalled.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-11-26 | 1994-05-28 | 1994-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-26 | 1998-05-28 | 1998-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-26 | 2002-05-28 | 2002-11-27 | $7700.00 | Window Closed / Lapsed |