US3317849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid circuit for radio frequency signal processing apparatus
Assignee: TRAK ELECTRONICS CO Inc
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Filing: 1963-12-17
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Granted: 1967-05-02
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Smith-Vaniz William Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/58; H04B1/581; H03; H03F; H03F3/00; H03F3/60; H03F3/602; H03H; H03H7/00; H03H7/48; H03H7/482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A RADIO FREQUENCY MULTICOUPLER COMPRISING IN COMBINATION (A) A PAIR OF INPUT CONDUCTORS FOR RECEIVING A BALANCED RADIO FREQUENCY SIGNAL, (B) A BALANCED INPUT AMPLIFIER STAGE CONNECTED WITH SAID INPUT CONDUCTORS FOR RECEIVING SAID RADIO FREQUENCY SIGNALS AND HAVING A PAIR OF OUTPUT TERMINALS, SAID INPUT AMPLIFIER STAGE, (1) HAVING LOAD IMPEDANCE MEANS CONNECTED BETWEEN ITS OUTPUT TERMINALS, (2) PRESENTING A MATCHED IMPEDANCE TO SAID INPUT CONDUCTORS OVER A BROAD RANGE OF RADIO FREQUENCIES, AND (3) DEVELOPING AT ITS OUTPUT TERMINALS AN AMPLIFIED REPRESENTATION OF THE RADIO FREQUENCY INPUT SIGNAL,
Claim 2
Dependent Claim
90 words
A RADIO FREQUENCY MULTICOUPLER COMPRISING IN COMBINATION (A) A PAIR OF INPUT CONDUCTORS FOR RECEIVING A BALANCED RADIO FREQUENCY SIGNAL, (B) A BALANCED INPUT AMPLIFIER STAGE CONNECTED WITH SAID INPUT CONDUCTORS FOR RECEIVING SAID RADIO FREQUENCY SIGNALS AND HAVING A PAIR OF OUTPUT TERMINALS, SAID INPUT AMPLIFIER STAGE, (1) HAVING LOAD IMPEDANCE MEANS CONNECTED BETWEEN ITS OUTPUT TERMINALS, (2) PRESENTING A MATCHED IMPEDANCE TO SAID INPUT CONDUCTORS OVER A BROAD RANGE OF RADIO FREQUENCIES, AND (3) DEVELOPING AT ITS OUTPUT TERMINALS AN AMPLIFIED REPRESENTATION OF THE RADIO FREQUENCY INPUT SIGNAL,
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |