EP0398550A2
Expired / Lapsed
EP
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Power status detecting apparatus
Assignee: Sony Corp
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Filing: 1990-05-02
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Granted: —
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Expires: 2010-05-02
Abstract
Abstract A power status detecting apparatus to be applied to a plurality of audio-visual equipments (1 to 5, 7) is arranged such that currents flowing to AC lines (1A to 5A, 7A) of the respective equipments (1 to 5, 7) are detected (11) so as to identify the power condition status of the respective equipments (1 to 5, 7) and in which identified information are supplied to a system control apparatus (12).
Inventors
- 👤 Yasuyuki C/O Patents Division Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/10; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/1607; H02J13/13; H02J13/1327; H04B1/20; H04B1/205
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
A power status detecting apparatus which can be applied to a plurality of audio-visual equipments (1 to 5, 7), the apparatus comprising: a plurality of AC outlets (1A to 5A, 7A) to which the power plugs of said plurality of audio-visual equipments (1 to 5, 7) are connected; means (11) connected to each of said AC outlets for detecting AC currents at each of said AC outlets; and means (11) connected to said AC current detecting means for determining the power condition status of said respective audio-visual equipments.
Claim 2
Dependent Claim
88 words
A power status detecting apparatus which can be applied to a plurality of audio-visual equipments (1 to 5, 7), the apparatus comprising: a plurality of AC outlets (1A to 5A, 7A) to which the power plugs of said plurality of audio-visual equipments (1 to 5, 7) are connected; means (11) connected to each of said AC outlets for detecting AC currents at each of said AC outlets; and means (11) connected to said AC current detecting means for determining the power condition status of said respective audio-visual equipments.
Claim 3
Dependent Claim
52 words
Apparatus according to claim 1 wherein each of said plurality of audio-visual equipments (1 to 5, 7) has a receiving portion (1B to 5B, 7B) for receiving a remote control signal, and its power condition is controlled in a toggle switch manner by respective remote control signals to allow power control commands.
Claim 4
Dependent Claim
39 words
Apparatus according to claim 2 wherein said power condition status determining means (11) includes a remote control signal receiving portion (11A) for receiving remote control signals from various remote controllers (RC) of said audio-visual equipments (1 to 5, 7).
Claim 5
Dependent Claim
40 words
Apparatus according to claim 3 wherein said power condition status determining means (11) includes a threshold current memory (24) for said audio-visual equipments (1 to 5, 7) for storing threshold current values of said audio-visual equipments (1 to 5, 7).
References Cited (Backward Citations)
No citation records indexed.
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