1
Ralph Sklarew: Handwritten keyboardless entry computer system. Grid Systems Corporation, Townsend & Townsend, November 20, 1990: US04972496 (224 worldwide citation)

A keyboardless entry computer system includes a transparent input screen that generates positional information when contacted by a stylus, and a display screen mounted physically below the input screen such that a character that is displayed can be seen below the input screen. The system includes a ...


2
Graham P Lloyd: Soft case protection for a hand held computer. GRiD Systems Corporation, Townsend & Townsend, March 26, 1991: US05002184 (162 worldwide citation)

A soft case which encloses a portable device such as a hand held computer has a top cover portion which overlies a large screen at the front or top of the computer. This cover portion has a flat, soft foam pad which engages against the glass screen to cushion the screen and spread the force of any i ...


3
James F Cole, James H McNamara: Low-power, standby mode computer. Grid Systems Corporation, Townsend and Townsend, November 10, 1992: US05163153 (156 worldwide citation)

A method and apparatus for configuring a computer in a low-power mode are provided. In the low-power mode, dynamic random access memory is refreshed by a battery powered system in order to maintain the memory contents. Low-power mode is entered by saving an interrupt mask and by disabling interrupts ...


4
Jeff C Hawkins: Stand and handle for hand held computer. Grid Systems Corporation, Townsend & Townsend, March 31, 1992: US05100098 (139 worldwide citation)

A portable computer, which may be a hand held computer useful for field work, has an attachment which can serve as both a carrying handle for the computer and a stand for holding the computer in a convenient position for use on a desk, at an appropriate angle for viewing the screen. The stand and ha ...


5
Jeff C Hawkins, Ken L Dulaney, John J Daly, James H McNamara, James F Cole: Hand held computer. Grid Systems Corporation, Townsend & Townsend, July 21, 1992: US05133076 (134 worldwide citation)

A hand held computer of a type used for such activities as taking inventory, recording signatures on delivery, keeping a route agenda, etc. has a large screen and preferably is without a built in keyboard. The tablet type computer is thin in profile, light in weight and is easily carried and used. P ...


6
Arthur C Lamb Jr: Pop-up keyboard system for entering handwritten data into computer generated forms. Grid Systems Corporation, Townsend and Townsend, January 4, 1994: US05276794 (132 worldwide citation)

A method for entering data into a computer utilizing a pop-up keyboard includes the steps of popping-up a keyboard associated with a selected field area displayed by the computer in response to a predetermined series of strokes formed by a pointer and modifying the symbols in the selected field area ...


7
David C Paulsen, Glenn T Edens, Karl S Nakamura, David M Gallatin, Stephen R Hobson, William G Moggridge: Portable computer. Grid Systems Corporation, Donald C Feix, February 18, 1986: US04571456 (129 worldwide citation)

A portable computer is contained within an outer metal case which physically encapsulates and protects the working components of the computer in the closed, portable configuration. The metal case includes a base which serves as a heat sink for transferring waste heat from heat producing electrical c ...


8
John J Daly, James H McNamara: Connection between portable computer components. GRID Systems Corporation, Townsend & Townsend, November 13, 1990: US04969830 (128 worldwide citation)

A hand held portable computer is secured to a peripheral computer component or expansion module in a snap-on arrangement which automatically effects engagement of bus connectors between the two components. The hand held computer has four openings in its back or under side. Two of the slot-like openi ...


9
James F Cole, James H McNamara: Low-power, standby mode computer. Grid Systems Corporation, Townsend and Townsend, August 31, 1993: US05241680 (124 worldwide citation)

A method and apparatus for configuring a computer in a low-power mode are provided. In the low-power mode, dynamic random access memory is refreshed by a battery powered system in order to maintain the memory contents. Low-power mode is entered by saving an interrupt mask and by disabling interrupts ...


10
James F Cole, James H McNamara: Low-power, standby mode computer. Grid Systems Corporation, Townsend and Townsend, August 20, 1991: US05041964 (103 worldwide citation)

A method and apparatus for configuring a computer in a low-power mode are provided. In the low-power mode, dynamic random access memory is refreshed by a battery powered system in order to maintain the memory contents. Low-power mode is entered by saving an interrupt mask and by disabling interrupts ...



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