US3168705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal delaying apparatus
Assignee: Individual
•
Filing: 1962-08-01
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Granted: 1965-02-02
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Okamura Shiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:29
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/30; H03H7/34; H03H7/345; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/93; H04N5/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A SIGNAL DELAYING APPARATUS COMPRISING MEANS FOR MODULATING A FIRST WAVE WITH SAID SIGNAL, HIGH FREQUENCY TRANSMITTING MEANS FOR RECEIVING SAID MODULATED WAVE AND INCLUDING DELAY MEANS FOR DELAYING THE PASSAGE OF SAID WAVE THERETHROUGH, SAID TRANSMITTING MEANS COMPRISING A HOLLOW WAVEGUIDE, MEANS FOR DEMODULATING SAID MODULATED WAVE AFTER TRANSMISSION THROUGH SAID WAVEGUIDE, CHARACTERIZED IN THAT SAID WAVEGUIDE HAS AT LEAST ONE CUTOFF FREQUENCY, SAID CUT-OFF FREQUENCY BEING NEAR TO THE FREQUENCY OF SAID MODULATED WAVE, THE TRAVEL OF THE WAVE THROUGH SAID WAVEGUIDE BEING DELAYED IN ACCORDANCE WITH THE FORMULA
Claim 2
Dependent Claim
91 words
A SIGNAL DELAYING APPARATUS COMPRISING MEANS FOR MODULATING A FIRST WAVE WITH SAID SIGNAL, HIGH FREQUENCY TRANSMITTING MEANS FOR RECEIVING SAID MODULATED WAVE AND INCLUDING DELAY MEANS FOR DELAYING THE PASSAGE OF SAID WAVE THERETHROUGH, SAID TRANSMITTING MEANS COMPRISING A HOLLOW WAVEGUIDE, MEANS FOR DEMODULATING SAID MODULATED WAVE AFTER TRANSMISSION THROUGH SAID WAVEGUIDE, CHARACTERIZED IN THAT SAID WAVEGUIDE HAS AT LEAST ONE CUTOFF FREQUENCY, SAID CUT-OFF FREQUENCY BEING NEAR TO THE FREQUENCY OF SAID MODULATED WAVE, THE TRAVEL OF THE WAVE THROUGH SAID WAVEGUIDE BEING DELAYED IN ACCORDANCE WITH THE FORMULA
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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |