1
Steven E Koenck, David C Hacker: Battery powered system. Norand Corporation, Neuman Williams Anderson & Olson, November 24, 1987: US04709202 (372 worldwide citation)

In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of available battery capacity as measured during a deep discharge cycle. With a microprocessor monitoring batte ...


2
David C Hacker: Intraoperative neuroelectrophysiological monitor. Medtronic Xomed, December 25, 2001: US06334068 (200 worldwide citation)

An economically manufactured, highly sensitive, noise and interference resistant, AC powered, two, four or eight channel intraoperative neuroelectrophysiological monitor includes a mainframe having a touch panel display and a low noise interface cable providing connection via a patient interface box ...


3
Richard L Prass, David C Hacker: Bipolar electrical stimulus probe with planar electrodes. Medtronic Xomed, September 18, 2001: US06292701 (155 worldwide citation)

A hand-held bipolar electrical stimulus probe includes first and second insulated conductors having unequal diameters and a stable side-by-side orientation. The conductors are provided with visually perceptible indicia such as color coding for identification. The conductors are carried within a flex ...


4
David C Hacker, Stanley A Skinner, Ensor E Transfeldt, Peter P Sterrantino, Lionel Rupp: Apparatus for intraoperative neural monitoring. Medtronic Xomed, May 8, 2007: US07216001 (110 worldwide citation)

An intraoperative neural monitoring system includes a power source and a simulator powered by the power source to deliver a cycle of electrical stimulation to a patient as a first group of positive or negative phase pulses automatically followed by a second group of pulses of opposite phase or polar ...


5
David C Hacker: Automatic control means providing a low-power responsive signal, particularly for initiating data preservation operation. Norand Corporation, Neuman Williams Anderson & Olson, July 4, 1989: US04845419 (109 worldwide citation)

In a system including volatile memory, a battery backed memory may be available for preserving data in the event of a power failure. Low power condition is reliably sensed sufficiently in advance of supply voltage falling below a minimum operating voltage range so as to give an adequate time interva ...


6
David C Hacker: Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system. Norand Corporation, Neuman Williams Anderson & Olson, December 29, 1987: US04716354 (98 worldwide citation)

In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of available battery capacity as measured during a deep discharge cycle. With a microprocessor monitoring batte ...


7
David C Hacker, Jerry L Walter: Hand-held data entry system and removable signature pad module therefor. Norand Corporation, McAndrews Held & Malloy, June 16, 1992: US05123064 (72 worldwide citation)

A data capturing module combined with a portable data terminal of the hand-held type to record handwritten data. Using a digitized pad, the module can provide for direct input of handwritten data into the system, or a peripheral digital scanner can be employed to provide for data entry. Depending up ...


8
David C Hacker, Jerry L Walter, Arvin D Danielson, Dennis A Durbin: Hand-held data entry system removable signature pad. Norand Corporation, Suiter & Associates, January 28, 1997: US05598487 (56 worldwide citation)

A data capturing module combined with a portable data terminal of the hand-held type to record handwritten data. Using a digitized pad, the module can provide for direct input of handwritten data into the system, or a peripheral digital scanner can be employed to provide for data entry. Depending up ...


9
David C Hacker, Jerry L Walter, Arvin D Danielson, Dennis A Durbin: Data capture apparatus with handwritten data receiving component. Intermec IP, Simmons Perrine Albright & Ellwood, September 16, 2003: US06621942 (19 worldwide citation)

A handwritten data capture apparatus is disclosed. The handwritten data capture apparatus can include a user-supported portable data capture unit and a handgrip region. The apparatus includes a handwritten data capture component having a receiving surface. A method for using a data collector to rece ...


10
Arvin D Danielson, Dennis A Durbin, David C Hacker, Jerry L Walter: Data capture apparatus with handwritten data receiving component. Broadcom Corporation, McAndrews Held & Malloy, October 10, 2006: US07120319 (14 worldwide citation)

A versatile data handling apparatus providing multiple alternatives for inputting data is disclosed. The apparatus includes an array of depressible keys, a screen-based input system that is located distinctly from the depressible keys, an optical information sensing component and a visual display to ...