US6070140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speech recognizer
Assignee: Muse Green Investments LLC
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Filing: 1998-11-12
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Granted: 2000-05-30
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Expires: 2018-11-12
Abstract
Abstract A computer system has a power-down mode to conserve energy. The computer system includes a speech transducer for capturing speech; a low-energy consuming power-up indicator coupled to said speech transducer, said power-up indicator detecting speech directed at said speech transducer and asserting a wake-up signal to a powered-down processor; and a voice recognizer coupled to said speech transducer and said wake-up signal, said voice recognizer waking up from the power-down mode when said wake-up signal is asserted.
Inventors
- 👤 Bao Q. Tran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:34
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/26; G06F1/32; G06F1/3203; G06F1/3206; G06F1/3215; G06F1/3234; G06F1/3287; G06F3/00; G06F3/16; G06F3/167; G10; G10L; G10L15/00; G10L15/26; G10L15/22; G10L2015/223; Y; Y02; Y02D; Y02D10/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
94 words
A computer system having a power-down mode to conserve energy, comprising: a speech transducer for capturing speech; a low power wake-up indicator coupled to said speech transducer, said wake-up indicator detecting speech directed at said speech transducer and asserting a wake-up signal to a powered-down processor, the low power wake-up indicator having a low pass filter and a power comparator coupled to the low pass filter; and a voice recognizer coupled to said speech transducer and said wake-up signal, said voice recognizer waking up from the power-down mode when said wake-up signal is asserted.
Claim 2
Dependent Claim
94 words
A computer system having a power-down mode to conserve energy, comprising: a speech transducer for capturing speech; a low power wake-up indicator coupled to said speech transducer, said wake-up indicator detecting speech directed at said speech transducer and asserting a wake-up signal to a powered-down processor, the low power wake-up indicator having a low pass filter and a power comparator coupled to the low pass filter; and a voice recognizer coupled to said speech transducer and said wake-up signal, said voice recognizer waking up from the power-down mode when said wake-up signal is asserted.
Claim 3
Dependent Claim
15 words
The computer system of claim 1, wherein said power wake-up indicator includes a half-wave rectifier.
Claim 4
Dependent Claim
15 words
The computer system of claim 1, wherein said power wake-up indicator includes a root-mean-square device.
Claim 5
Dependent Claim
41 words
The computer system of claim 1, wherein said speech transducer includes a microphone and a noise canceller which characterizes the background noise when a user is not speaking and subtracts the background noise when the user is speaking to the computer.
Claim 6
Dependent Claim
17 words
The computer system of claim 1, wherein said speech transducer includes a microphone and a noise canceller.
Claim 7
Dependent Claim
15 words
The computer of claim 1, wherein the speech transducer is contained in a wearable housing.
Claim 8
Dependent Claim
14 words
The computer of claim 1, wherein the speech transducer is contained in a watch.
Claim 9
Dependent Claim
72 words
A computer system having a power-down mode to conserve energy comprising: a speech transducer for capturing speech; a neural network coupled to said speech transducer, said neural network detecting speech directed at said speech transducer and asserting a wake-up signal to a powered-down processor; and a voice recognizer coupled to said speech transducer and said wake-up signal, said voice recognizer waking up from the power-down mode when said wake-up signal is asserted.
Claim 10
Dependent Claim
72 words
A computer system having a power-down mode to conserve energy comprising: a speech transducer for capturing speech; a neural network coupled to said speech transducer, said neural network detecting speech directed at said speech transducer and asserting a wake-up signal to a powered-down processor; and a voice recognizer coupled to said speech transducer and said wake-up signal, said voice recognizer waking up from the power-down mode when said wake-up signal is asserted.
Claim 11
Dependent Claim
15 words
The computer of claim 8, wherein the speech transducer is contained in a wearable housing.
Claim 12
Dependent Claim
14 words
The computer of claim 8, wherein the speech transducer is contained in a watch.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-05-30 | 2003-11-29 | 2004-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-05-30 | 2007-11-29 | 2008-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-05-30 | 2011-11-29 | 2012-05-30 | $7700.00 | Window Closed / Lapsed |