US4305004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current supply circuit for electronic equipment of an automotive vehicle
Assignee: Nissan Motor Co Ltd
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Filing: 1980-03-18
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Granted: 1981-12-08
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Expires: 2000-03-18
Abstract
Abstract A current supply circuit for electronic equipment of an automotive vehicle having an additional relay being energized by the ignition switch at its starter position. In this starter position, the relay is operated and the battery current is directly supplied to the electronic equipment at the time of starting the vehicle to avoid abrupt decrease of the source voltage.
Inventors
- 👤 Hiroshi Tanaka
- 👤 Yukitsugu Hirota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:42
CPC Classifications
F; F02; F02P; F02P15/00; F02P15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A current supply circuit for electronic equipment of an automotive vehicle comprising a source battery being arranged to feed supply current to the electronic equipment through a contact of an ignition relay being operated by an ignition switch and a diode for protecting the equipment from reverse connection, the improvement comprising a contact being switched into ON condition at starter position of the ignition switch and feeding wire for feeding the battery supply to the electronic equipment through said contact.
Claim 2
Dependent Claim
80 words
A current supply circuit for electronic equipment of an automotive vehicle comprising a source battery being arranged to feed supply current to the electronic equipment through a contact of an ignition relay being operated by an ignition switch and a diode for protecting the equipment from reverse connection, the improvement comprising a contact being switched into ON condition at starter position of the ignition switch and feeding wire for feeding the battery supply to the electronic equipment through said contact.
References Cited (Backward Citations)
US3745362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |