1
David D Thornburg, Robert M Flegal, Tat C Lam: Graphics pen for soft displays. Xerox Corporation, Serge Abend, March 2, 1982: US04318096 (82 worldwide citation)

A graphics input device for use with location indicating means to present graphic data upon a computer controlled visual display. The device includes a pen having a housing within which is disposed a conductive stylus shaft, one end extending beyond the housing to serve as the writing tip. A cylindr ...


2
Tat C Lam: Low input capacitance data network transceiver. TCL, Philip M Shaw Jr, January 10, 1984: US04425663 (10 worldwide citation)

A data communications transceiver for transmitting signals to and from a medium has an output driver connected to the medium through a series connected first pair of diodes and a receiving transistor amplifier whose input is connected to the medium and whose output leads are each connected to a sepa ...


3
Tat C Lam: Wideband transceiver with EMI suppression. TCL, Limbach Limbach & Sutton, February 23, 1982: US04317205 (6 worldwide citation)

A data communications transceiver for transmitting signals to and from the communicating medium, with the transceiver including an input terminal, a short time constant differentiator connected to the input terminal to differentiate signals applied thereto, a Schmitt trigger supplied with the output ...


4
Tat C Lam: Wideband transceiver with EMI suppression. TCL, Philip M Shaw Jr, July 31, 1984: USRE031638

A data communications transceiver for transmitting signals to and from the communicating medium, with the transceiver including an input terminal, a short time constant differentiator connected to the input terminal to differentiate signals applied thereto, a Schmitt trigger supplied with the output ...


5