EP0605199A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
An emergency power supply unit without transformers
Assignee: GUANGDONG CAPITAL HOLDINGS Ltd
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Filing: 1993-12-23
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Granted: —
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Expires: 2013-12-23
Abstract
Abstract An emergency power supply unit, capable of direct inverse transform, comprising a charging detector circuit (102), a storage battery (2), an oscillator circuit (3), and an output switching circuit (4), said power supply unit containing no transformers, and said storage battery (2) consisting of a pack of cells having the same voltage as that of the mains supply. <IMAGE>
Inventors
- 👤 Fu-Bin Huang
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 22:12
CPC Classifications
H; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02J9/062
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
57 words
An emergency power supply unit, capable of high voltage direct inverse transform, comprising a charging detector circuit, a storage battery, an oscillator circuit, and an output switching circuit, said power supply unit being provided with no transformers, and said storage battery being composed of a pack of cells having the same voltage as that of the mains.
Claim 2
Dependent Claim
23 words
A power supply unit, as claimed in Claim 1, wherein said cells are connected in series, and are provided with ± 12V. tappings.
Claim 3
Dependent Claim
21 words
A power supply unit, as claimed in Claim 1, wherein said cells are sealed Cd-Ni cells or sealed nickel hydrogen cells.
References Cited (Backward Citations)
No citation records indexed.
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