1
David G Bird: Location of missing vehicles. Trimble Navigation, John Schipper, May 23, 1995: US05418537 (399 worldwide citation)

Method and apparatus for determining the present location of a missing vehicle, such as an automobile or marine vessel, using a Global Positioning System that receives GPS signals from two or more GPS satellites. A GPS antenna, GPS signal receiver/processor, a paging responder, a cellular telephone ...


2
James M Janky, John F Schipper: Location of emergency service workers. Trimble Navigation, John Schipper, September 3, 1996: US05552772 (340 worldwide citation)

Method and apparatus for monitoring the present location of an emergency or general serviceperson, such as a firefighter or a hazardous materials spill clean-up specialist, assigned to perform emergency services at a designated site. The site diameter can be as small as a few meters or as large as s ...


3
Nathan Schulhof, James M Janky, Grant Jasmin: Enhanced delivery of audio data. Information Highway Media, John Schipper, November 24, 1998: US05841979 (321 worldwide citation)

A system for selection by a user and delivery to the user of selected audio data files at a delivery rate of 2-100 times the delivery rate for normal, audibly perceptible playback of an audio data file. The user registers the user's selection of audio material with a central library of data files an ...


4
John F Schipper, James M Janky: Arrestee monitoring with variable site boundaries. Trimble Navigation, John Schipper, October 22, 1996: US05568119 (314 worldwide citation)

Method and apparatus for monitoring present location of a site arrestee confined to a permitted site of arbitrary size. Present location of the arrestee can be checked at selected time intervals of several hundred milliseconds to thousands of seconds, as desired. The arrestee wears a location-determ ...


5
John F Schipper, James M Janky: Hybrid monitoring of location of a site confinee. Trimble Navigation, John Schipper, April 6, 1999: US05892454 (236 worldwide citation)

Method and apparatus for monitoring present location of a person ("confinee") who is to be confined to a designated site, which site can have a diameter as small as a few meters or as large as several kilometers. The present location of the confinee is checked at selected time intervals with time pe ...


6
James L Sorden, Terry J Smith, Eric Klein: Event-activated reporting of vehicle location. Trimble Navigation, John Schipper, May 10, 1994: US05311197 (232 worldwide citation)

Apparatus that is carried on a land vehicle, a marine vehicle or vessel, or an airborne vehicle or vessel for notifying others that a vehicle accident or other abnormal situation has occurred and for notifying others of the location of the vehicle at the time of the accident. The vehicle carries an ...


7
Peter Van Wyck Loomis, James M Janky, John F Schipper: Portable hybrid location determination system. Trimble Navigation, John Schipper, August 10, 1999: US05936572 (219 worldwide citation)

Apparatus and method for determining the present location of a mobile user that carries the apparatus inside or outside buildings and structures within a region R. The apparatus includes a radio location determination (LD) signal module that receives radiowaves from at least three radio LD signal so ...


8
Douglas H Sturgeon, Anthony T Sziklai: Integrated hazardous substance tracking and compliance. Alternative Systems, John Schipper, March 10, 1998: US05726884 (185 worldwide citation)

Apparatus that provides an integrated approach for all management activities for hazardous substances used or generated at a facility, including form generation and compliance with the reporting requirements. The apparatus includes eight functional groupings and a database schema or coordinator that ...


9
David R Gildea, Charles Trimble: Cordless SPS smart antenna device. Trimble Navigation, John Schipper, September 6, 1994: US05345244 (171 worldwide citation)

Cordless antenna apparatus for determination of the location of an observer and/or of the time of observation by use of a Satellite Positioning System (SPS), such as the Global Positioning System or the Global Orbiting Navigational Satellite System. In each embodiment, the apparatus includes a Smart ...


10
Eric Klein: Monitoring of route and schedule adherence. Trimble Navigation, John Schipper, July 30, 1996: US05541845 (165 worldwide citation)

A method for monitoring the movement of a vehicle along a selected route R to determine whether the vehicle is (i) adhering to that route and/or (ii) adhering to a selected time schedule along that route. Adherence to the route R requires that the vehicle travel within a corridor of selected positiv ...



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