UNDERSTANDING, FINDING, & ELIMINATING GROUND LOOPS IN AUDIO & VIDEO SYSTEMS – 2005 Generic Seminar Template is a very good collection of information on ground loop problems on audio and video systems. The writer Bill Whitlock from Jensen Transformers really knows what he is talking about. Here are some fact points picked from document: The →
When I was a kid, there was a periscope you could make out of a cardboard tube and two small hand mirrors to see around corners. Now there’s a video camera system that can do the same. Camera Can See Around Corners and Femtosecond Camera Sees Around Corners articles tell that Scientists at the Massachusetts →
I have updated three popular documents at ePanorama.net: Powering microphones document is updated with cleaner drawings of electret mic to XLR adapter circuits. 3D glasses and other 3D display devices has completely rewritten introduction to 3D glass technologies. This has been a document that has been viewed very often in the site and I felt →
Power over Ethernet (PoE) offers convenience, flexibility, and enhanced management capabilities by enabling power to be delivered over the same CAT5 cabling as data. This technology is especially useful for powering IP telephones, wireless LAN access points, cameras with pan tilt and zoom (PTZ), remote Ethernet switches, embedded computers, thin clients and LCDs. The original →
Television technology is developing rapidly. Consumers are just gaining access to the 3D TVs when the next disaster is already on the way. Maybe the next revolution is Super Resolution HD-TV. It seem stat we are entering post-fullHDTV resolution (1920×1080) era. Just few years ago full HD was considered the ultimate resolution that everybody were →
TV business is not booming anymore as it used to be. Last year TV makers lost more money than ever before. And things do not seem to be getting better in sales. U.S. Flat Panel TV Shipments to Decline for First Time Ever in 2012 article tells that demand for flat-screen televisions in the U.S. →
I earlier write about new camera technologies concentrating on light field photography. There are many other new camera technologies that deserve to be mentioned. Is ‘vision’ the next-gen must-have user interface? article tells that IMS Research issued recently a press release questioning if Apple and the iPad are falling behind competitors in user interface technologies. →
When was the last time you carried around a 2nd device for taking pictures? No need! Phones now come equipped with megapixel cameras. It’s all these advances in camera phone technology, point and shoot cameras just aren’t as important as they used to be. Nokia has been the world’s largest digital camera manufacturer for many →
Mercedes uses LEDs to create invisible car article tells that Mercedes campaign makes interesting use of LED technology to market new message to consumers. To promote its new fuel cell technology, luxury car manufacturer Mercedes-Benz went in the complete opposite direction of what most companies do when marketing a new product: As opposed to inundating →
The diaphragm of a condenser microphone is the movable plate of a capacitor. WHen properly polarized the vibration of the diaphragm in relation to the back plate produces an ac audio-output voltage. The condenser capsule has a capacitance of 10 to 60 pF; thus, you should connect it to an impedance converter with extremely high →