Patent US3179753A successfully refreshed from Google Patents.
US3179753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in magnetic recorders
Assignee: US Philips Corp
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Filing: 1960-08-31
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Granted: 1965-04-20
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Pollaschek Viktor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:29
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/74; G11B5/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A TAPE RECORDER/REPRODUCER HAVING AN AMPLIFIER, CONTROL MECHANISMS FOR SELECTING THE NORMAL OPERATIONS OF SAID APPARATUS INCLUDING A LOCKING MECHANISM FOR MAINTAINING SAID CONTROL MECHANISMS IN OPERATIVE POSITION, AND IN WHICH PROVISION IS MADE OF SWITCH MEANS CONNECTED WITH SAID AMPLIFIER FOR ALTERNATELY CONNECTING AND DISCONNECTING SAID AMPLIFIER AND SAID RECORDER/REPRODUCER AND SIMULTANEOUSLY DISCONNECTING AND CONNECTING SAID AMPLIFIER WITH ANOTHER APARATUS SUCH AS A MICROPHONE OR RECORDER PLAYER; THE COMBINATION WITH SAID RECORDER/REPRODUCER COMPRISING A MOVABLE TRANSMISSION MECHANISM OPERATIVELY CONNECTED WITH BOTH SAID LOCKING MECHANISM AND SAID SWITCH MEANS, MOVEMENT OF SAID TRANSMISSION MECHANISM MOVING SAID SWITCH MEANS AND SAID LOCKING MECHANISM, SAID TRANSMISSION MECHANISM BEING CONNECTED WITH SAID SWITCH MEANS AND SAID LOCKING MECHANISM FOR MOVING SAID LOCKING MECHANISM TO AN INOPERATIVE POSITION WHEN SAID SWITCH IS MOVED TO DISCONNECT SAID AMPLIFIER FROM SAID RECORDER/REPRODUCER AND CONNECT SAID AMPLIFIER TO SAID OTHER APPARATUS AND CONVERSELY RELEASING SAID LOCKING MECHANISM FROM SAID INOPERATIVE POSITION WHEN SAID AMPLIFIER IS CONNECTED WITH SAID RECORDER/REPRODUCER.
Claim 2
Dependent Claim
163 words
IN A TAPE RECORDER/REPRODUCER HAVING AN AMPLIFIER, CONTROL MECHANISMS FOR SELECTING THE NORMAL OPERATIONS OF SAID APPARATUS INCLUDING A LOCKING MECHANISM FOR MAINTAINING SAID CONTROL MECHANISMS IN OPERATIVE POSITION, AND IN WHICH PROVISION IS MADE OF SWITCH MEANS CONNECTED WITH SAID AMPLIFIER FOR ALTERNATELY CONNECTING AND DISCONNECTING SAID AMPLIFIER AND SAID RECORDER/REPRODUCER AND SIMULTANEOUSLY DISCONNECTING AND CONNECTING SAID AMPLIFIER WITH ANOTHER APARATUS SUCH AS A MICROPHONE OR RECORDER PLAYER; THE COMBINATION WITH SAID RECORDER/REPRODUCER COMPRISING A MOVABLE TRANSMISSION MECHANISM OPERATIVELY CONNECTED WITH BOTH SAID LOCKING MECHANISM AND SAID SWITCH MEANS, MOVEMENT OF SAID TRANSMISSION MECHANISM MOVING SAID SWITCH MEANS AND SAID LOCKING MECHANISM, SAID TRANSMISSION MECHANISM BEING CONNECTED WITH SAID SWITCH MEANS AND SAID LOCKING MECHANISM FOR MOVING SAID LOCKING MECHANISM TO AN INOPERATIVE POSITION WHEN SAID SWITCH IS MOVED TO DISCONNECT SAID AMPLIFIER FROM SAID RECORDER/REPRODUCER AND CONNECT SAID AMPLIFIER TO SAID OTHER APPARATUS AND CONVERSELY RELEASING SAID LOCKING MECHANISM FROM SAID INOPERATIVE POSITION WHEN SAID AMPLIFIER IS CONNECTED WITH SAID RECORDER/REPRODUCER.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |