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, Fine Samuel, Banks William, Phillips Stanely: Spark pen. Science Accessories Corporation, December 7, 1971: US3626483 (16 worldwide citation)

A writing stylus for use as a graphical-input terminal for digital computers. The stylus will produce a fast rise time shock energy sound wave generated by a spark detectable by coordinately placed microphones, at the instant the spark is produced can be determined and recorded in digital form.


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, Fine Samuel, Phillips Stanley: Apparatus for making spark chamber wire arrays. Science Accessories Corporation, February 6, 1973: US3714689

An apparatus for producing curved or flat wire arrays for use in wire spark chamber devices having a wire spool holding means and wire feeding device; tensioning means; wire winding and spacing device; and a device for stretching and shaping the array. The wire is fed over tensioning pulleys about a ...


5
Whetstone Albert, Fine Samuel: Humidification apparatus. Science Accessories Corporation, August 3, 1971: US3596832

A humidifier for use in a recirculating hot water and/or steam heating system. A bypass valve is provided for the controlled delivery of the system fluid to an absorbent material placed over the radiator or fin member of the heating system.