| Patent Number |
Title Of Patent |
Date Issued |
| 6317797 |
System for automatic synchronization of common file between portable computer and host computer |
November 13, 2001 |
| A handheld computer which contains an LCD display having a digitizing surface to allow pen input. Internal storage takes several forms, such as a large flash ROM area, battery-backed up RAM and an optional hard disk drive. Several alternative communication paths are available, such as th |
| 6058012 |
Apparatus, method and system for thermal management of an electronic system having semiconductor |
May 2, 2000 |
| A thermal management controller to regulate the operating temperature of high speed, high circuit density semiconductor dice in an electronic product. The thermal management controller monitors the temperature of a heat sink in thermal contact with the high speed, high circuit density |
| 5928329 |
System for automatic synchronization of common file between portable computer and host computer |
July 27, 1999 |
| A handheld computer which contains an LCD display having a digitizing surface to allow pen input. Internal storage takes several forms, such as a large flash ROM area, battery-backed up RAM and an optional hard disk drive. Several alternative communication paths are available, such as th |
| 5805882 |
Computer system and method for replacing obsolete or corrupt boot code contained within reprogra |
September 8, 1998 |
| In accordance with the invention, a computer system is provided with a flash read-only-memory (ROM), a microcontroller and a data port. The microcontroller initially owns the flash ROM. The microcontroller further has a separate ROM upon which it can execute boot-up instructions. After |
| 5729683 |
Programming memory devices through the parallel port of a computer system |
March 17, 1998 |
| A controller circuit that controls the transfer of a computer operating system from a host computer into a hand-held computer system through the parallel port without the need of intervention from the microprocessor. The operating system is loaded into flash memory devices located in the |
| 5666530 |
System for automatic synchronization of common file between portable computer and host computer |
September 9, 1997 |
| A handheld computer which contains an LCD display having a digitizing surface to allow pen input. Internal storage takes several forms, such as a large flash ROM area, battery-backed up RAM and an optional hard disk drive. Several alternative communication paths are available, such as th |
| 5542077 |
Personal computer with CMOS memory not having a separate battery |
July 30, 1996 |
| A computer system which utilizes a CMOS memory/RTC and does not have a separate battery for powering the CMOS memory/RTC. A serial EEPROM is utilized to maintain the contents of the CMOS memory. When the computer is entered into a setup mode and the CMOS information is to be saved, it is |
| 5534889 |
Circuit for controlling bias voltage used to regulate contrast in a display panel |
July 9, 1996 |
| A liquid crystal display (LCD) panel which has its contrast controlled through the use of a pulse width modulation (PWM) circuit contained in the video controller and a contrast control circuit. In response to a particular video refresh mode, the PWM circuit modulates the pulse width |
| 5455907 |
Buffering digitizer data in a first-in first-out memory |
October 3, 1995 |
| A computer system with a digitizer based screen display in which the digitizer data is buffered through a first-in first-out memory (FIFO). The processor is only interrupted when a full digitizer data packet is available in the FIFO, rather than being interrupted on each data byte av |
| 5446320 |
Circuit for clamping power output to ground while the computer is deactivated |
August 29, 1995 |
| A circuit for connecting the power supply output of a computer to ground when the system is shut down to counter adverse effects of backfeed voltage which includes a MOSFET between the power supply output and ground. In one embodiment the MOSFET is switched on by a signal that deacti |
| 5315228 |
Battery charge monitor and fuel gauge |
May 24, 1994 |
| A battery charge controller and fuel gauge which accurately monitors the voltage, temperature, and charge and discharge current of a rechargeable battery, and calculates the battery's charge capacity and charge level. Each time the battery is fully discharged, any calculated charge level |
| 5200689 |
Battery charge monitor to determine fast charge termination |
April 6, 1993 |
| A battery charge controller and fuel gauge which accurately monitors the voltage, temperature, and charge and discharge current of a rechargeable battery, and calculates the battery's charge capacity and charge level. Each time the battery is fully discharged, any calculated charge level |
| 4400778 |
Large-volume, high-speed data processor |
August 23, 1983 |
| A data processing system having an architecture that will allow high-speed direct device-to-device data transfers without the necessity of first detouring the data through a computer memory. The system consists of a host computer and a remote signal processing subsystem connected thereto |
