US3105121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repertory dialer
Assignee: AT&T Inc
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Filing: 1959-04-21
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Granted: 1963-09-24
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Expires: 1979-04-21
Abstract
No abstract record available.
Inventors
- 👤 James M Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
IN A REPERTORY DIALER HAVING A SUBSCRIBER STATION INCLUDING A STORAGE MEDIUM FOR STORING GROUPS OF SIGNALS REPRESENTATIVE OF GROUPS OF DIGITS COMPRISING TELEPHONE NUMBERS, MEANS FOR SCANNING A SELECTED GROUP OF SIGNALS STORED IN THE STORAGE MEDIUM, A MOTOR FOR ADVANCING THE STORAGE MEDIUM RELATIVE TO THE SCANNING MEANS, THE ADVANCEMENT RESULTING IN THE REPRODUCTION OF THE SIGNALS SCANNED BY THE SCANNING MEANS, MEANS FOR CONNECTING THE MOTOR TO A POWER SOURCE, AND MEANS FOR CONNECTING THE REPERTORY DIALER TO A TELEPHONE LINE, THE COMBINATION THEREWITH OF A CONTROL CIRCUIT COMPRISING A FILTER COUPLED TO THE TELEPHONE LINE AND TUNED TO DIAL TONE FREQUENCIES, AND RELAY MEANS OPERATED RESPONSIVE TO DIAL TONE ENERGY PASSED BY THE FILTER, THE RELAY MEANS HAVING NORMALLY OPEN CONTACTS THAT ARE CLOSED AND NORMALLY CLOSED CONTACTS THAT ARE OPENED BY THE OPERATION OF THE RELAY, THE NORMALLY OPEN CONTACTS BEING IN SERIES WITH THE MOTOR CONNECTING MEANS, THE MOTOR BEING ENERGIZED UPON THE CONCURRENT OPERATION OF THE MOTOR CONNECTING MEANS AND THE RELAY MEANS, AND THE NORMALLY CLOSED CONTACTS BEING IN SERIES WITH THE FILTER, THE FILTER BEING DISABLED UPON THE OPERATION OF THE RELAY MEANS.
Claim 2
Dependent Claim
192 words
IN A REPERTORY DIALER HAVING A SUBSCRIBER STATION INCLUDING A STORAGE MEDIUM FOR STORING GROUPS OF SIGNALS REPRESENTATIVE OF GROUPS OF DIGITS COMPRISING TELEPHONE NUMBERS, MEANS FOR SCANNING A SELECTED GROUP OF SIGNALS STORED IN THE STORAGE MEDIUM, A MOTOR FOR ADVANCING THE STORAGE MEDIUM RELATIVE TO THE SCANNING MEANS, THE ADVANCEMENT RESULTING IN THE REPRODUCTION OF THE SIGNALS SCANNED BY THE SCANNING MEANS, MEANS FOR CONNECTING THE MOTOR TO A POWER SOURCE, AND MEANS FOR CONNECTING THE REPERTORY DIALER TO A TELEPHONE LINE, THE COMBINATION THEREWITH OF A CONTROL CIRCUIT COMPRISING A FILTER COUPLED TO THE TELEPHONE LINE AND TUNED TO DIAL TONE FREQUENCIES, AND RELAY MEANS OPERATED RESPONSIVE TO DIAL TONE ENERGY PASSED BY THE FILTER, THE RELAY MEANS HAVING NORMALLY OPEN CONTACTS THAT ARE CLOSED AND NORMALLY CLOSED CONTACTS THAT ARE OPENED BY THE OPERATION OF THE RELAY, THE NORMALLY OPEN CONTACTS BEING IN SERIES WITH THE MOTOR CONNECTING MEANS, THE MOTOR BEING ENERGIZED UPON THE CONCURRENT OPERATION OF THE MOTOR CONNECTING MEANS AND THE RELAY MEANS, AND THE NORMALLY CLOSED CONTACTS BEING IN SERIES WITH THE FILTER, THE FILTER BEING DISABLED UPON THE OPERATION OF THE RELAY 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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |