US3270145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Inventions Finance Corp
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Filing: 1960-11-21
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Granted: 1966-08-30
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Gauban Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:36
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/02; H04L17/12; H04L17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
RECORD REPRODUCING APPARATUS FOR SIGNAL RECORDS OF EITHER VOICE MODULATION OR CODE MODULATION TYPE, COMPRISING ADJUSTABLE-SPEED DRIVE MEANS FOR MOVING A SIGNAL RECORD PAST A RECORDING HEAD, SIGNAL AMPLIFYING MEANS HAVING ITS INPUT COUPLED TO SAID HEAD AND HAVING A SIGNAL OUTPUT TERMINAL, FIRST AND SECOND SIGNAL PROCESSING CHANNELS ADAPTED RESPECTIVELY TO PROCESS AMPLIFIED SIGNALS OF CODE CHARACTER AND OF VOICE CHARACTER, AND GANGED SWITCH MEANS FOR SELECTIVELY CONNECTING SAID SIGNAL OUTPUT TERMINAL TO THE INPUTS OF SAID TWO CHANNELS, AND FOR CONCOMITANTLY CONNECTING THE OUTPUTS OF SAID CHANNELS SELECTIVELY TO A SOUND REPRODUCER.
Claim 2
Dependent Claim
94 words
RECORD REPRODUCING APPARATUS FOR SIGNAL RECORDS OF EITHER VOICE MODULATION OR CODE MODULATION TYPE, COMPRISING ADJUSTABLE-SPEED DRIVE MEANS FOR MOVING A SIGNAL RECORD PAST A RECORDING HEAD, SIGNAL AMPLIFYING MEANS HAVING ITS INPUT COUPLED TO SAID HEAD AND HAVING A SIGNAL OUTPUT TERMINAL, FIRST AND SECOND SIGNAL PROCESSING CHANNELS ADAPTED RESPECTIVELY TO PROCESS AMPLIFIED SIGNALS OF CODE CHARACTER AND OF VOICE CHARACTER, AND GANGED SWITCH MEANS FOR SELECTIVELY CONNECTING SAID SIGNAL OUTPUT TERMINAL TO THE INPUTS OF SAID TWO CHANNELS, AND FOR CONCOMITANTLY CONNECTING THE OUTPUTS OF SAID CHANNELS SELECTIVELY TO A SOUND REPRODUCER.
References Cited (Backward Citations)
US148066A
Cited
US1448490A
Cited
US2300038A
Cited
FR1005905A
Cited
US2702313A
Cited
US2772326A
Cited
FR1083230A
Cited
US2881251A
Cited
US2963555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |