Electronics Now articles from May 1997

Electronics Now archives from May 1997

Making servicing adjustments with a remote control.
May 1, 1997... Performing routine service adjustment - including vertical size and centering, horizontal phase, and gray scale - once required the technician to adjust potentiometers located inside the television receiver. That's all changing now. For...

Equipment reports: Delorme Tripmate Hyperformance GPS navigation system. (Global Positioning System)(Evaluation)
May 1, 1997... A low-cost GPS receiver/software combination that keeps you going in the right direction whether you're driving for work or pleasure. Picture this: you're driving on a dark stretch of road, off to service equipment at the most isolated...

Using lasers to make holograms.
May 1, 1997... One of the most fascinating aspects associated with laser research is its ability to produce photographs with three dimensions. Actually, it is the laser's properties of coherence and phase that make these photographs appear to be 3-D. In a...

Build the CallDirector. (to add the benefits of an office telephone system to home telephones)(Cover Story)
May 1, 1997... Add the conveniences and features of a complete office telephone system to your home without having to change any telephone wiring. The modern telephone has come a long way since the time of A.G. Bell, especially in the last ten years or so....

Build the Mod Box. (to modify sounds of musical instruments)
May 1, 1997... Are you looking for a new way to perk up your guitar, bass or keyboard? If so, then the Mod Box is just the project you need! Musicians are always looking for new and different ways to change, modify, or control the sound of their...

Easy POCSAG signal detector. (Post Office Code Standardization Advisory Group)
May 1, 1997... Learn how alpha-numeric pagers receive messages with this simple interface and computer software. Have you ever thought about how those alpha-numeric pagers work? Have you heard erratic buzzing and beeping digital signals while scanning...

National Electronics Technician Day.(includes directory of professional electronic technician examiners)
May 1, 1997... A day to honor those electronics professionals who have demonstrated their mettle - and an opportunity to join their ranks More than ever, electronics touches nearly every aspect of human activity, and its influence is expanding at a near...

OS/2, the on-line world, Java, Delphi, and more. (computer program languages; on-line service providers)
May 1, 1997... Here's a riddle for you: what killed OS/27 well, I don't know the precise cause, but this couldn't have helped: a flyer I received from the New Riders Publishing Division of Macmillan Computer Publishing advertised a new reference book covering...

Evaluating energy claims, color systems, a new current-monitor IC, and more.
May 1, 1997... There sure have been some totally bizarre happenings in the world of alternate energy of late. For example, it appears that a federal bureaucrat noticed that a thirty-cent valve might be needed to keep a solar hot water heater from freezing. To...

Disney and the HP-2005. (Walt Disney Co.; Hewlett-Packard's audio oscillator)
May 1, 1997... Just about everyone has heard of the Walt Disney Company and Hewlett-Packard. But do you know how those famous companies are related to each other, and to audio testing? Ok, I won't keep you in suspense: Hewlett-Packard developed the world...