US3347996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for a magnetic recorder
Assignee: Individual
•
Filing: 1963-10-25
•
Granted: 1967-10-17
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Uchikoshi Goji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:21
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B27/00; G11B27/36; G11B5/00; G11B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A CONTROL DEVICE FOR A MAGNETIC RECORDER WHICH COMPRISES A KEY BOARD HAVING FIVE PUSH BUTTON TYPE KEYS, SAID KEYS BEING DESIGNED TO DEVELOP "PLAY BACK," "RECORD," "FAST FORWARD," "REWIND" AND "STOP" SIGNALS, RESPECTIVELY, A PAIR OF BISTABLE MULTIVIBRATORS MEMORIZING SIGNALS DEVELOPED BY SAID KEY BOARD OTHER THAN A "RECORD" SIGNAL AND DEVELOPING BINARY SIGNALS AT THE OUTPUT TERMINALS OF SAID MULTIVIBRATORS, AND A LOGICAL CIRCUIT ASSEMBLY APPLYING SAID BINARY SIGNALS FROM SAID BISTABLE MULTIVIBRATORS TO ITS LOGICAL CIRCUITS AND SELECTING A DESIRED OUTPUT SIGNAL, SAID LOGICAL CIRCUIT ASSEMBLY COMPRISING FIRST AND SECOND AND CIRCUITS, MEANS APPLYING THE OUTPUT SIGNAL FROM SAID FIRST AND CIRCUIT TO THE INPUT TERMINAL OF A FIRST POWER TRANSISTOR CIRCUIT WHICH ENERGIZES A REWIND RELAY, MEANS APPLYING THE OUTPUT SIGNAL FROM SAID SECOND AND CIRCUIT TO THE INPUT TERMINAL OF A SECOND POWER TRANSISTOR CIRCUIT WHICH ENERGIZES A BRAKE OFF SOLENOID THROUGH A FIRST NOR CIRCUIT, MEANS APPLYING PORTION OF THE OUTPUT SIGNAL OF SAID SECOND POWER TRANSISTOR CIRCUIT TO THE INPUT TERMINAL OF A SECOND NOR CIRCUIT WHICH ACTUATES A PLAY BACK AMPLIFIER, MEANS APPLYING THE OUTPUT SIGNAL OF SAID SECOND NOR CIRCUIT TO THE INPUT TERMINAL OF A THUD POWER TRAN-
Claim 2
Dependent Claim
198 words
A CONTROL DEVICE FOR A MAGNETIC RECORDER WHICH COMPRISES A KEY BOARD HAVING FIVE PUSH BUTTON TYPE KEYS, SAID KEYS BEING DESIGNED TO DEVELOP "PLAY BACK," "RECORD," "FAST FORWARD," "REWIND" AND "STOP" SIGNALS, RESPECTIVELY, A PAIR OF BISTABLE MULTIVIBRATORS MEMORIZING SIGNALS DEVELOPED BY SAID KEY BOARD OTHER THAN A "RECORD" SIGNAL AND DEVELOPING BINARY SIGNALS AT THE OUTPUT TERMINALS OF SAID MULTIVIBRATORS, AND A LOGICAL CIRCUIT ASSEMBLY APPLYING SAID BINARY SIGNALS FROM SAID BISTABLE MULTIVIBRATORS TO ITS LOGICAL CIRCUITS AND SELECTING A DESIRED OUTPUT SIGNAL, SAID LOGICAL CIRCUIT ASSEMBLY COMPRISING FIRST AND SECOND AND CIRCUITS, MEANS APPLYING THE OUTPUT SIGNAL FROM SAID FIRST AND CIRCUIT TO THE INPUT TERMINAL OF A FIRST POWER TRANSISTOR CIRCUIT WHICH ENERGIZES A REWIND RELAY, MEANS APPLYING THE OUTPUT SIGNAL FROM SAID SECOND AND CIRCUIT TO THE INPUT TERMINAL OF A SECOND POWER TRANSISTOR CIRCUIT WHICH ENERGIZES A BRAKE OFF SOLENOID THROUGH A FIRST NOR CIRCUIT, MEANS APPLYING PORTION OF THE OUTPUT SIGNAL OF SAID SECOND POWER TRANSISTOR CIRCUIT TO THE INPUT TERMINAL OF A SECOND NOR CIRCUIT WHICH ACTUATES A PLAY BACK AMPLIFIER, MEANS APPLYING THE OUTPUT SIGNAL OF SAID SECOND NOR CIRCUIT TO THE INPUT TERMINAL OF A THUD POWER TRAN-
References Cited (Backward Citations)
US2930855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |