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US5237257A
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Method and apparatus for determining battery type and modifying operating characteristics
Assignee: Motorola Solutions Inc
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Filing: 1992-03-16
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Granted: 1993-08-17
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Expires: 2012-03-16
Abstract
Abstract A battery type detector for battery-using and battery-charging equipment is disclosed. Operational characteristics of the using and charging equipment is modified in accordance with the battery type detected.
Inventors
- 👤 Robert M. Johnson
- 👤 Michael P. Metroka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:46
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/50; H01M6/5066; H01M10/00; H01M10/42; H01M10/48; H02; H02J; H02J7/00; H02J7/40; H02J7/443; H02J7/485; H02J7/90; H02J7/96; H04; H04W; H04W52/00; H04W52/02; H04W52/0209; H04W52/0261; H04W52/0274; H04W52/0277; H01M6/5044; Y; Y02; Y02D; Y02D30/00; Y02D30/70
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
154 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a second resistor having a resistance selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said second resistor coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 2
Dependent Claim
154 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a second resistor having a resistance selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said second resistor coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 3
Dependent Claim
42 words
A battery type detector in accordance with claim 1 wherein said means for detecting further comprises a window detector having a plurality of output terminals, one of said output terminals providing said signal identifying said one of a plurality of sense levels.
Claim 4
Dependent Claim
18 words
A battery type detector in accordance with claim 1 wherein said means for detecting further comprises a microprocessor.
Claim 5
Dependent Claim
25 words
A battery type detector in accordance with claim 3 wherein said means for detecting further comprises an analog to digital converter coupled to said microprocessor.
Claim 6
Dependent Claim
32 words
A battery type detector in accordance with claim 1 wherein said means for enabling a predetermined battery charging control further comprises means for selecting one of at least two temperature cutoff thresholds.
Claim 7
Dependent Claim
32 words
A battery type detector in accordance with claim 1 wherein said means for enabling a predetermined battery charging control further comprises means for selecting one of at least two voltage cutoff thresholds.
Claim 8
Dependent Claim
52 words
A battery type detector in accordance with claim 1 wherein said means for enabling a predetermined battery charging control further comprises means for selecting one of at least two battery charge rate switch points at which switch point the battery charger switches from high charge rate current to low charge rate current.
Claim 9
Dependent Claim
32 words
A battery type detector in accordance with claim 1 wherein said means for enabling a predetermined battery charging control further comprises means for selecting one of at least two battery charge times.
Claim 10
Dependent Claim
32 words
A battery type detector in accordance with claim 1 wherein said means for enabling a predetermined battery charging control further comprises means for selecting one of at least two battery charge methods.
Claim 11
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a short circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said short circuit coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 12
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a short circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said short circuit coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 13
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a short circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said short circuit coupled between said sense terminal and said positive terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 14
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and a short circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said short circuit coupled between said sense terminal and said positive terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 15
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and an open circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said open circuit coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
Claim 16
Dependent Claim
151 words
A battery type detector for determining which type of battery is coupled to a battery charger, the battery and the battery charger each having a housing, the battery type detector comprising: means for producing a predetermined one of a plurality of sense levels corresponding to a battery type comprising; a regulated voltage, a first resistor disposed within the battery charger housing, and an open circuit selected in accordance with said particular battery type and disposed within the battery housing, the battery housing having positive, negative, and sense terminals disposed thereon, and said first resistor coupled between said regulated voltage and said sense terminal and said open circuit coupled between said sense terminal and said negative terminal; means for detecting said one of a plurality of sense levels; and means, responsive to said means for detecting, for enabling a predetermined battery charging control in the battery charger corresponding to said battery type.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-16 | 1997-02-15 | 1997-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-16 | 2001-02-15 | 2001-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-16 | 2005-02-15 | 2005-08-17 | $7700.00 | Window Closed / Lapsed |