US3299355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio and television audience survey system
Assignee: Television Audit Corp
•
Filing: 1964-03-11
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Granted: 1967-01-17
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Jenks
- 👤 David W Ginn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/29; H04H60/32; H04H60/35; H04H60/38; H04H60/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF CONDUCTING AN AUDIENCE SURVEY COMPRISING SWEEPING THE RADIATION PATTERN OF THE ANTENNA OF A RADIANT ENERGY RESPONSIVE MONITOR OVER A METROPOLITAN AREA FROM A LOCATION ELEVATED ABOVE THE BUILDINGS IN SAID AREA TO DECREASE THE OBSTRUCTIONS IN THE RADIANT ENERGY PATHS TO SAID MONITOR FROM THE COMMUNICATIONS RECEIVERS IN SAID AREA, DETECTING IN SAID MONITOR THE LOCAL OSCILLATOR SIGNALS RADIATED TO SAID ANTENNA FROM SAID COMMUNICATIONS RECEIVER, SEPARATING IN SAID MONITOR SAID RECEIVED SIGNALS ACCORDING TO THEIR DIFFERENCES IN FREQUENCY, AND COUNTING THE NUMBER OF SIGNALS RECEIVED IN EACH OF A PLURALITY OF PREDETERMINED FREQUENCY BANDS REPRESENTATIVE OF THE DIFFERENT TRANSMITTING STATIONS TO WHICH SAID COMMUNICATIONS RECEIVERS MAY BE TUNED.
Claim 2
Independent Claim
113 words
A METHOD OF CONDUCTING AN AUDIENCE SURVEY COMPRISING SWEEPING THE RADIATION PATTERN OF THE ANTENNA OF A RADIANT ENERGY RESPONSIVE MONITOR OVER A METROPOLITAN AREA FROM A LOCATION ELEVATED ABOVE THE BUILDINGS IN SAID AREA TO DECREASE THE OBSTRUCTIONS IN THE RADIANT ENERGY PATHS TO SAID MONITOR FROM THE COMMUNICATIONS RECEIVERS IN SAID AREA, DETECTING IN SAID MONITOR THE LOCAL OSCILLATOR SIGNALS RADIATED TO SAID ANTENNA FROM SAID COMMUNICATIONS RECEIVER, SEPARATING IN SAID MONITOR SAID RECEIVED SIGNALS ACCORDING TO THEIR DIFFERENCES IN FREQUENCY, AND COUNTING THE NUMBER OF SIGNALS RECEIVED IN EACH OF A PLURALITY OF PREDETERMINED FREQUENCY BANDS REPRESENTATIVE OF THE DIFFERENT TRANSMITTING STATIONS TO WHICH SAID COMMUNICATIONS RECEIVERS MAY BE TUNED.
References Cited (Backward Citations)
US2617934A
Cited
US2552585A
Cited
US2959783A
Cited
US2618747A
Cited
US2903508A
Cited
US2896070A
Cited
US3083364A
Cited
US2990548A
Cited
US3017633A
Cited
US3202997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |