Patent US3277374A successfully refreshed from Google Patents.
US3277374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined transceiver and radio broadcast receiver
Assignee: Individual
•
Filing: 1963-08-02
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Granted: 1966-10-04
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Kobayashi Iori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:19
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/3805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN COMBINATION, A TRANSCEIVER HAVING A RECEIVER PORTION PROVIDING AN OUTPUT TERMINAL AND TUNABLE TO A SIGNAL FROM ANOTHER TRANSCEIVER, A RADIO BROADCAST RECEIVER HAVING AN OUTPUT TERMINAL, A SIGNAL SELECTING DEVICE CONNECTED TO SAID TRANSCEIVER OUTPUT TERMINAL AND SELECTIVELY RESPONSIVE TO A PRESCRIBED CALLING SIGNAL SAID SELECTING DEVICE HAVING A SELECTIVE A.C. OUTPUT AND A SELECTIVE D.C. OUTPUT, CIRCUIT MEANS INCLUDING SOUND REPRODUCER MEANS, MEANS FOR APPLYING SAID A.C. OUTPUT TO SAID CIRCUIT MEANS AS A SELECTIVE CALLING SIGNAL, A GAIN CONTROL CIRCUIT FOR SAID BROADCAST RECEIVER, MEANS FOR APPLYING SAID D.C. OUTPUT TO SAID GAIN CONTROL CIRCUIT FOR CONTROLLING THE GAIN OF SAID BROADCAST RECEIVER, THE MEANS FOR CONNECTING THE OUTPUT TERMINAL OF SAID BROADCAST RECEIVER WITH SAID CIRCUIT MEANS WHILE SAID A.C. OUTPUT IS CONNECTED WITH SAID CIRCUIT MEANS.
Claim 2
Dependent Claim
132 words
IN COMBINATION, A TRANSCEIVER HAVING A RECEIVER PORTION PROVIDING AN OUTPUT TERMINAL AND TUNABLE TO A SIGNAL FROM ANOTHER TRANSCEIVER, A RADIO BROADCAST RECEIVER HAVING AN OUTPUT TERMINAL, A SIGNAL SELECTING DEVICE CONNECTED TO SAID TRANSCEIVER OUTPUT TERMINAL AND SELECTIVELY RESPONSIVE TO A PRESCRIBED CALLING SIGNAL SAID SELECTING DEVICE HAVING A SELECTIVE A.C. OUTPUT AND A SELECTIVE D.C. OUTPUT, CIRCUIT MEANS INCLUDING SOUND REPRODUCER MEANS, MEANS FOR APPLYING SAID A.C. OUTPUT TO SAID CIRCUIT MEANS AS A SELECTIVE CALLING SIGNAL, A GAIN CONTROL CIRCUIT FOR SAID BROADCAST RECEIVER, MEANS FOR APPLYING SAID D.C. OUTPUT TO SAID GAIN CONTROL CIRCUIT FOR CONTROLLING THE GAIN OF SAID BROADCAST RECEIVER, THE MEANS FOR CONNECTING THE OUTPUT TERMINAL OF SAID BROADCAST RECEIVER WITH SAID CIRCUIT MEANS WHILE SAID A.C. OUTPUT IS CONNECTED WITH SAID CIRCUIT MEANS.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |