Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6430517 | Circuits, user terminals, and methods for determining information associated with pin limited devices using excitations of different frequencies An information circuit for an input/output pin limited device includes an input/output pin, a first circuit path, and a second circuit path. The first circuit path is responsive to a first excitation on the input/output pin, wherein the first circuit path... | 08/06/2002 |
| 6420854 | Battery detector An apparatus and method for detecting the presence of a battery in a battery charging circuit is provided. An inductor is placed in series with a charging circuit and the battery connection leads. A switching device and a capacitive device are connected i... | 07/16/2002 |
| 6404164 | Method of battery chemistry identification through analysis of voltage behavior A method of identifying battery chemistry of a battery in an electronic device monitors voltage behavior of the battery in response to a stimulus. The method can be performed in the electronic device while the device is in normal operation without affecti... | 06/11/2002 |
| 6384572 | Portable electronic apparatus A control unit of a portable electronic apparatus includes a secondary battery cell or a battery, a control unit in which information about the electric power characteristics of the secondary battery or the battery has been stored, a loading unit into whi... | 05/07/2002 |
| 6380711 | Battery recharging device and method and an automatic battery detection system and method therefor A system includes a recharging device to which an electronic hand-held device powered by a battery can be connected. A controller associated with the recharging device performs a method of intemal-device battery cell detection, i.e., distinguishing betwee... | 04/30/2002 |
| 6377020 | Power supply unit A power supply unit which has charging function enables error charging of a non-charged-type battery to be prevented, which battery is used as a power supply of an electric circuit device. Such the power supply unit is materialized with simple constitutio... | 04/23/2002 |
| 6369576 | Battery pack with monitoring function for use in a battery charging system A battery charging system is provided which is comprised of a battery pack (30) and a charging system (20). The battery pack (30) includes a battery (10) and a battery capacity detect circuit (32). The battery capacity detect circuit (32) having a memory ... | 04/09/2002 |
| 6366055 | Power supply system and state of charge estimating method A power system where energy generated at a deceleration time of a running vehicle such as an automobile can be accepted as regenerative energy sufficiently and safely is provided. In a power system 10, a non-aqueous solution system secondary battery group... | 04/02/2002 |
| 6362596 | Method for varying sampling interval length A method for charging a rechargeable battery pack includes identifying battery capacity, determining sampling interval length according to the battery capacity, and implementing the determined sampling interval length. Also disclosed herein is a method fo... | 03/26/2002 |
| 6359417 | Rechargeable battery pack for a mobile terminal with unique identification and time reference The present invention relates to a rechargeable battery pack (1) for a mobile terminal (10) of a wireless telecommunication system, with one or more battery cells (2), time reference means (3, 4) for generating relative time reference information (cv), id... | 03/19/2002 |
| 6340876 | Method for detecting battery removal or absent battery condition in a constant current charger A system and method for detecting battery removal or absent battery condition in a charger without use of external stimulus such as a thermistor, EEPROM, or additional pin. The system and method use information solely available from the charger positive a... | 01/22/2002 |
| 6310460 | Apparatus and method for changing bus line address for a detachable battery unit A bus line address changing apparatus for use in an electronic instrument including a plurality of battery unit attaching sections configured to accommodate a plurality of battery units respectively composed of at least one battery. A bus line receives a ... | 10/30/2001 |
| 6300743 | Single wire radio to charger communications method This invention is a single wire interface communication system whereby a phone having internal charging circuitry communicates the charging status of the battery attached to the phone by varying the duty cycle of a pulse with a predetermined period across... | 10/09/2001 |
| 6291965 | Battery charger A battery cartridge has a communication terminal from which control signals are sent to a charging adapter to deliver various pieces of information necessary for electrically charging the battery cartridge, such as charging stop information, capacity info... | 09/18/2001 |
| 6291967 | Battery discriminating method, dry cell battery pack, and electronic device A battery discriminating method discriminates between smart battery packs and dry cell battery packs with a simple structure. A dry cell battery pack is composed of a case for storing a plurality of dry batteries connected in series, positive and negative... | 09/18/2001 |
| 6291966 | Method and an apparatus for storing and communicating battery information A battery system and method are disclosed. The battery system and method include battery means for supplying operating power during battery operation of a battery power receiving device (e.g. a mobile phone). The battery system and method further includes... | 09/18/2001 |
| 6285158 | Battery discriminating method, dry cell battery pack, and electronic device A battery discriminating method discriminates between smart battery packs and dry cell battery packs with a simple structure. A dry cell battery pack is composed of a case for storing a plurality of dry batteries connected in series, positive and negative... | 09/04/2001 |
| 6286109 | Method and apparatus for reducing heat generation in a portable computer A method and apparatus for controlling heat generation within a battery-powered portable computer. One aspect is directed to a computer including a battery, a battery charging circuit operatively connected to the battery to charge the battery at a chargin... | 09/04/2001 |
| 6252373 | Apparatus for rapidly charging and reconditioning a battery Apparatus for rapidly charging a battery including an output adapted to be electrically connected to a battery and a control device electrically connected to the output. The control device includes a power supply and a microcontroller. The microcontroller... | 06/26/2001 |
| 6249105 | System and method for detecting performance components of a battery pack A battery pack performance component detection system and method that identifies performance components of an installed battery pack which may be one of a number of battery packs each having a different performance component configuration. A performance c... | 06/19/2001 |
| 6249690 | Portable information equipment system A portable information system having an information registration function achieves reduction in manufacturing cost and power consumption. By connecting portable information equipment (1) and a battery charger (10) to be chargeable, signal transmission bec... | 06/19/2001 |
| 6246210 | System for identifying electric devices A system for identifying electric device includes a charging/discharging circuit comprised of at least one electric capacitor and one additional electric element, such as an electric resistor or an electric inductance. The charging/discharging circuit is ... | 06/12/2001 |
| 6236186 | Method and system for discriminating between different types of batteries and charging the same A battery charging system for discriminating between different battery packs and charging the battery packs according to battery type and charging parameters of the battery pack. The battery charging system has a battery having a label and a charging dock... | 05/22/2001 |
| 6229280 | Power tool charging system having a charge level indicator and charge control functions A charging system includes an electric power tool (2) and a charger (1) having internal rechargeable batteries (6) and a controller (9) for monitoring the charge/discharge level of the batteries (6). The electric power tool (2) additionally includes a pai... | 05/08/2001 |
| 6229281 | Packed battery examining apparatus A controller comprises means for transmitting to an interface device, when predetermined data for examination must be acquired from a communication and charge or discharge controller in a packed battery which is an examination object in the step of perfor... | 05/08/2001 |
| 6218806 | Method and apparatus for obtaining product use information A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller... | 04/17/2001 |
| 6215275 | Method for the automatic determination of battery chemistry in portable electronic devices A method that distinguishes different battery chemistries in portable electronic devices using a simple electrical test. The present method facilitates accurate fuel gauging as well as providing a safe in-device recharging scenario, eliminating the possib... | 04/10/2001 |
| 6215274 | Enhanced battery pack monitoring interface An enhanced battery pack monitoring interface combines battery pack model identification and temperature monitoring functions. The enhanced system eliminates the need for some connecting contacts as well as several logic and converter circuits in the port... | 04/10/2001 |
| 6212450 | Data carrier system When an engine is started with a key 19A inserted in an ignition key cylinder of a vehicle 11, a vehicle-side controller 12 transmits operational data to the key 19A and stores in the key 19A. Further, when a personal computer 30 is operated with the key ... | 04/03/2001 |
| 6211644 | Method and apparatus for identifying a battery Method and system for communication between a battery power receiving device and a battery pack are disclosed. The battery power receiving device has a battery information circuit that is carried with the battery power receiving device as a single unit. B... | 04/03/2001 |
| 6204632 | Apparatus for charging multiple batteries A modular battery charging system is provided in two main embodiments. In a first embodiment, the modular battery charging system includes a power supply, an elongated track, a connector, and at least one battery charging module. The power supply converts... | 03/20/2001 |
| 6201372 | Reserve power option for a portable electronic device A portable electronic device has at least one battery pack with each pack having its own capacity gauge. A reserve power option system monitors power level information received from the capacity gauge to determine if the portable electronic device should ... | 03/13/2001 |
| 6199168 | Personal computer card power management system A power management system for a PC card is disclosed. The power management system allows for a detachable battery pack to be used on a PC card. The PC card can select power from the personal computer or from the detachable battery pack. In one embodiment,... | 03/06/2001 |
| 6194866 | Arrangement and a method relating to exchange of digital information between devices comprising electric circuitry An electric arrangement, a battery pack and methods for transmitting digitally encoded information from a first electric device to a digital processor in a second electric device, and a battery information signal transmitted between the devices. An encode... | 02/27/2001 |
| 6191551 | Automatic battery detection system and method for detecting a rechargeable battery with low remaining charge A system includes a charging cradle that receives a electronic hand-held device powered by a battery. Inside the charging cradle a controller performs a method of internal-device battery cell detection, i.e., distinguishing between NiMH/NiCd and other typ... | 02/20/2001 |
| 6181102 | Battery pack chemistry detection and identification system and method A battery chemistry identification system and method that identifies the chemistry of an installed battery pack which may be one of a number of battery packs having different battery chemistries. The battery packs have electrical and physical interfaces t... | 01/30/2001 |
| 6181103 | Advanced intelligent computer power management system This invention is for the advanced intelligent computer power management (AICPM) system. The main features of this invention include converting the traditional smart battery pack into a removable and data accessible (RADA) battery pack and an intelligent ... | 01/30/2001 |
| 6175211 | Battery pack with identification device A method for charging a rechargeable battery pack includes identifying battery capacity, determining sampling interval length according to the battery capacity, and implementing the determined sampling interval length. Also disclosed herein is a method fo... | 01/16/2001 |
| 6166518 | Implantable power management system The method and system for managing power supplied from a charging circuit to a power source in an implantable medical device comprises the steps of and circuitry for: measuring the current drain of the medical device; measuring the elapsed time since the ... | 12/26/2000 |
| 6161938 | Safety flashlight A flashlight particularly useful by safety personnel such as a firefighter and capable of operation with rechargeable battery means or non-rechargeable battery means. The flashlight includes a one-piece plastic casing having a tubular body portion definin... | 12/19/2000 |
