Patent application number | Description | Published |
20090085502 | Method and Apparatus for Maximizing the Sustainable Flash of a Handheld Portable Electronic Device - A method and apparatus for maintaining a maximum sustained flash current over the whole length of a flash using a programmable current drive in a handheld portable device powered by a battery. The method involves measuring the battery voltage before and after a flash is initiated and calculating the equivalent series resistance (ESR) of the battery. The calculated ESR is then used to adjust the flash current. The process may be repeated to correct for errors in the flash current. | 04-02-2009 |
20090279881 | METHOD AND SYSTEM FOR OPERATING A CAMERA FLASH ON A MOBILE DEVICE - Various embodiments are described herein for a method and related apparatus for safely operating a camera flash on a mobile device powered by a battery module. Upon determination that the camera flash needs to be activated the method comprises measuring several battery parameters including the voltage and temperature of the battery module. An equivalent series resistance (ESR) of the battery module is determined based on the battery temperature. The maximum flash current is then determined based on the battery voltage, and ESR along with potential current loads that may occur during operation of the camera flash, and a minimum battery voltage for safe operation of the mobile device where the battery voltage has been adjusted if needed. The device is then configured to draw a current from the battery module that is not greater than the maximum flash current. | 11-12-2009 |
20100060178 | METHOD AND APPARATUS FOR MAXIMIZING THE SUSTAINABLE FLASH OF A HANDHELD PORTABLE ELECTRONIC DEVICE - A method and apparatus for maintaining a maximum sustained flash current over the whole length of a flash using a programmable current drive in a handheld portable device powered by a battery. The method involves measuring the battery voltage before and after a flash is initiated and calculating the equivalent series resistance (ESR) of the battery. The calculated ESR is then used to adjust the flash current. The process may be repeated to correct for errors in the flash current. | 03-11-2010 |
20100284677 | METHOD AND APPARATUS FOR MAXIMIZING THE SUSTAINABLE FLASH OF A HANDHELD PORTABLE ELECTRONIC DEVICE - A method and apparatus for maintaining a maximum sustained flash current over the whole length of a flash using a programmable current drive in a handheld portable device powered by a battery. The method involves measuring the battery voltage before and after a flash is initiated and calculating the equivalent series resistance (ESR) of the battery. The calculated ESR is then used to adjust the flash current. The process may be repeated to correct for errors in the flash current. | 11-11-2010 |
20120026389 | METHOD AND APPARATUS FOR MAXIMIZING THE SUSTAINABLE FLASH OF A HANDHELD PORTABLE ELECTRONIC DEVICE - A method and apparatus for maintaining a maximum sustained flash current over the whole length of a flash using a programmable current drive in a handheld portable device powered by a battery. The method involves measuring the battery voltage before and after a flash is initiated and calculating the equivalent series resistance (ESR) of the battery. The calculated ESR is then used to adjust the flash current. The process may be repeated to correct for errors in the flash current. | 02-02-2012 |
Patent application number | Description | Published |
20120194130 | POWER PACK PARTIAL FAILURE DETECTION AND REMEDIAL CHARGING CONTROL - Systems and methods to detect a failure of a subset of component power packs within a multiple component rechargeable power pack. At least one parameter of a charging current that is provided for a time duration to a rechargeable power pack is determined. A measured capacity change quantity for the rechargeable power pack during the time duration is estimated. The measured capacity change quantity is compared, after the time duration, to an expected capacity change quantity that is based upon the at least one parameter. A determination is made that at least one component power pack within the rechargeable power pack has failed based on a difference between the measured capacity change quantity and the expected capacity change quantity. A charging current parameter is modified in response to the determining that the at least one component power pack has failed. | 08-02-2012 |
20120215468 | METHOD AND SYSTEM FOR DETECTING POWER SUPPLY SOURCE ELECTRICAL CURRENT CAPACITY - An apparatus and method for determining a power supply electrical current capacity. In one example, an operating circuit is placed into an operating mode that causes the operating circuit to have a determined electrical current consumption. A charging circuit that is electrically connected in parallel with the operating circuit is configured to provide a maximum charging current to a power pack. After configuring the charging circuit, a value of a measured charging current provided to the power pack is received. After receiving the value of the measured charging current, an electrical current supply capacity value of the external power supply is determined as a function of the determined electrical current consumption and the value of the measured charging current. | 08-23-2012 |
20130134923 | APPARATUS, AND ASSOCIATED METHOD, FOR PROVIDING CHARGING ENERGY TO RECHARGE A PORTABLE POWER SUPPLY - An apparatus, and an associated method, for providing charging energy to a portable power supply, sourced at the portable power supply of another portable electronic device. The portable electronic devices are arranged in a charging configuration in which the portable electronic device from which energy is to be sourced is coupled to the portable electronic device to which the charging energy is to be applied. A controller controls the charging operations to ensure that energy of a host portable power supply is not depleted beyond a minimum level, and the application of the charging energy is terminated when a recipient portable power supply is charged to a desired level or the host portable power supply is depleted to the minimum level. | 05-30-2013 |
20130178174 | PORTABLE ELECTRONIC DEVICE FOR REDUCING SPECIFIC ABSORPTION RATE - A portable electronic device for reducing specific absorption rate (SAR) is provided. The portable electronic device comprises a processor, at least one antenna, and a sensor enabled to detect when the portable electronic device is being held by a complementary holder, the processor enabled to: determine that the sensor has detected the holder; and, responsively, switch the at least one antenna from an omnidirectional mode to a directional mode such that energy is radiated from a given side of the portable electronic device. | 07-11-2013 |
20130264992 | POWER PACK CHARGING FROM INTERMITTENT SOURCES - Systems and methods to control charging of power packs. Capacities of a first and second power pack associated with a charging station are monitored. When an energy harvesting device is producing energy, it is connected to a rechargeable device when the capacities of the first and second power pack are below a respective threshold. When the energy harvesting device is producing energy, it is connected to the first power pack and the second power pack is connected to the rechargeable device when the first power pack capacity is below a first threshold and the second power pack capacity is above a second threshold. The second power pack is connected to the rechargeable device when the energy harvesting device is not producing energy, the first power pack capacity is below the first threshold, and the second power pack capacity is above the second threshold. | 10-10-2013 |
20140098193 | METHODS AND DEVICES FOR GENERATING A STEREOSCOPIC IMAGE - Methods and devices for generating a stereoscopic image are described. In one aspect, the electronic device includes a main body and a support rotatably coupled with the main body about an axis of rotation. The support is rotatable between a plurality of positions including a first position and a second position. The electronic device also includes a first camera module for generating first camera data and a second camera module for generating second camera data. The second camera module is positioned in spaced relation to the first camera module and coupled to the support away from the axis of rotation. The electronic device further includes a controller coupled with the first camera module and the second camera module. | 04-10-2014 |
20140098197 | METHODS AND DEVICES FOR GENERATING A STEREOSCOPIC IMAGE - Methods and devices for generating a stereoscopic image are described. In one aspect, the electronic device includes a first camera for generating first camera data, a second camera for generating second camera data and a third camera for generating third camera data. The cameras are positioned on a same side of the electronic device and in spaced relation to each other. The electronic device also includes a controller coupled with the first camera, the second camera and the third camera. The controller is configured to: identify an orientation of the electronic device; and generate a stereoscopic image based on the first camera data and the second camera data when the electronic device is at a first orientation, and generate the stereoscopic image based on the first camera data and the third camera data when the electronic device is at a second orientation. | 04-10-2014 |
20140111135 | SOLAR CELL AND PORTABLE ELECTRONIC DEVICE - A solar cell and a portable electronic device are provided. The solar cell includes a semiconductor material configured to absorb light for generating a current. The solar cell further includes a positive contact and a negative contact. In addition, the negative contact is configured to couple with an external interface. The portable electronic device includes an energy storage unit. The portable electronic device also includes a semiconductor material configured to absorb light for generating a current, a positive contact, and a negative contact. The negative contact of the portable electronic device is configured to couple with an external interface. | 04-24-2014 |
20140181222 | METHOD, SYSTEM AND APPARATUS FOR PROVIDING NOTIFICATIONS FOR DIFFERENT WORKSPACES - A method, system and apparatus for providing notifications for different workspaces is provided. The device comprises a processor, a memory, and a notification device, the processor enabled to: manage a first workspace and a second workspace distinguished from each other by one or more of: data stored at the memory being associated with one or another of the first workspace and the second workspace; and accounts being associated with the one or the another of the first workspace and the second workspace; and, when a current workspace comprises the first workspace, control the notification device to present first notifications associated only with the first workspace, while second notifications associated with the second workspace are not presented. | 06-26-2014 |
20140198081 | IMAGE ZOOM CONTROL USING STYLUS FORCE SENSING - The present disclosure provides for an electronic device and method for displaying an image on a screen of the electronic device. In response to a stylus location input, a region of the screen is selected. A first part of the image associated with the selected region of the screen is determined, along with a second part of the image associated with the region of the screen outside of the selected region. In response to a stylus force input, the first part of the image is modified and displayed in the selected region of the screen. The second part of the image is displayed on the screen outside of the selected region. The modified image may be a magnified image, for example. | 07-17-2014 |
20140364055 | DEVICE FOR DETECTING A CARRYING CASE USING ORIENTATION SIGNATURES - A device for detecting a carrying case using orientation signatures, and method therefor, is provided. The device includes: at least one orientation sensor; a memory storing one or more carrying-case insertion signatures; and, a processor configured to: receive output from the at least one orientation sensor as a function of time; and place the device in a carrying case mode when a time-dependent pattern in the output matches the one or more carrying-case insertion signatures. | 12-11-2014 |
20150028186 | BACKLIGHT FOR TOUCHLESS GESTURE DETECTION - A device and method to detect a gesture performed by an object in touch-less communication with the device are described. The device includes two or more ambient light sensors arranged at respective first surface locations of the device, each of the two or more ambient light sensors sensing light intensity at the respective first surface location. The device also includes one or more processors to operate one or more light sources at respective second surface locations of the device based on the light intensity sensed by the two or more ambient light sensors, and detect the gesture based on the light intensity sensed by each of the two or more ambient light sensors. | 01-29-2015 |
20150062321 | DEVICE CONTROL BY FACIAL FEATURE RECOGNITION - An electronic device is controlled by scanning a face at an ultrasonic frequency, by at least one audio speaker. Facial features are mapped based on the scanning and repetitive movements of the facial features are detected by mapping the facial features over time. Future locations of the facial features are predicted based on the detecting of the repetitive movements. Control movements of the facial features are detected based on the mapping of the facial features and the predicting of the future locations of the facial features. The electronic device is controlled based on the detecting of the control movements. | 03-05-2015 |