1
Whetstone Albert L, Fine Samuel, Banks William, Phillips Stanley C: Graphical data device. Amperex Electronic Corporation, September 24, 1974: US3838212 (40 worldwide citation)

A graphical data device employing a stylus moving over an area to be digitized and utilizing a fast rise time sound energy shock wave, generated by a spark at the location of the stylus and propagated through the air for providing coordinate information as to the instantaneous position of the spark. ...


2
Whetstone Albert L, Brenner Alfred E: Position determination devices. Summagraphics Corporation, Rosen Daniel M, September 9, 1975: US3904821 (16 worldwide citation)

A coordinate digitizer wherein a field generating device is positioned in proximity to the surface at a location to be digitized. Further means are provided for triggering the production of a magnetic field by the field generating device, the magnetic field transducing a propagating vibrational mode ...


3
Whetstone Albert L, Fine Samuel: Magnetic graphical data device. Science Accessories Corporation, March 7, 1972: US3648277 (8 worldwide citation)

A coordinate digitizing device is provided with a localized source of magnetic energy positioned with respect to a wire array, each of said wires terminated in a common delay line. The magnetic energy is pulsed at a desired point, initiating a digitization time interval required for a pulse appearin ...


4
Whetstone Albert L: Keyboard encoding. Science Accessories Corporation, March 7, 1972: US3647962 (7 worldwide citation)

This invention relates to a keyboard encoding device for converting the data represented by a key in a keyboard to a digital representation. The device employs a plurality of keys each individually operable to provide an acoustic shock wave in the form of a spark. Receptors arranged about the perime ...


5
Whetstone Albert L: Construction of low-tension wire arrays. Science Accessories Corporation, April 13, 1971: US3574927 (3 worldwide citation)

A method of constructing a low-tension wire array including the steps of arraying wires on an expandable frame expanding the wires past their elastic limit, and releasing the frame tension until each wire hangs in catenary. The wires are then placed onto an epoxied sheet and the ends cut.


6
Whetstone Albert L, Shaklee Kerry L, Modjallal Khosrow: Noise mouse.. Display Interface, August 28, 1985: EP0152478-A1 (2 worldwide citation)

A mouse (1, 3) comprises a cover (20, 100) and a displacement pad (30, 110) which is displaced upon movement of the mouse over a surface. Displacement transducer means (50, 130), e.g., strain gauges mounted in a parallel arm linkage, are used to ascertain direction of motion. Noise created by slidin ...


7
Whetstone Albert L, Shaklee Kerry L, Modjallal Khosrow: Noise mouse. Display Interface Corporation, CIFELLI Armand, March 14, 1985: WO/1985/001143

A mouse (1, 3) comprises a cover (20, 100) and a displacement pad (30, 110) which is displaced upon movement of the mouse over a surface. Displacement transducer means (50, 130), e.g., strain gauges mounted in a parallel arm linkage, are used to ascertain direction of motion. Noise created by slidin ...