Electrical Engineer for Chemical Bank Laserdisk/Touch Screen Automated Teller Machine (ATM) for Advanced Systems Development

Automatic Teller Machine

Advanced Systems Development (acquired by Comptek and now part of Northrop Grumman IT) was asked by Chemical Bank (now JPMorgan Chase) to create the first Automated Teller Machine (ATM) to use full-color NTSC graphics and video (from a laserdisk player) and a touch screen rather than a keypad. I was a young electrical engineer working at my first job, and was in charge of taking the NTSC baseband video from the laserdisk player, translating it into RGB video and sync signals, adding external microprocessor-controlled character generator video (bank balance info, etc.) to the RGB video, and displaying it on an RGB monitor. A fellow young engineer used an array of infrared LEDs and detectors to create the touch screen.

The NTSC video had to be broken into its black-and-white and color components and fed to a Panasonic chip normally used to drive the RGB guns of a Panasonic television. The comb filter chip for the color component introduced a significant delay, and the black-and-white component had to be delayed to match. Delay lines were too expensive; I discovered that the television industry had created a standard part called a "coil block" that was in every color television and very cheap.

I modified preliminary schematics, debugged the PC boards, and performed on-site installation, service and maintenance of three full-service demonstration units deployed in the New York metropolitan region in 1984.

My title at Advanced Systems Development was Electrical Engineer. I also worked there during a summer as a Programmer. I was employed there from 1981 to 1984. While at ASD, I also created:

While at ASD I had military security clearance, but I was asked whether I minded surrendering that clearance years later when I was working in the medical field.

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Last Updated: July 6, 2007