Directional couplers are devices that will pass signal across one path while passing a much smaller signal along another path. One of the most common uses of the directional coupler is to sample a RF ...

A simple workaround for all this was an acoustic coupler, a device that played your modem’s sounds directly into a phone’s receiver without any electrical connection. Modem speeds were slow ...

RF couplers are circuits that sample RF transmissions by combining (coupling) signals asymmetrically. There three basic types of devices: unidirectional, bidirectional, and dual directional.

A simple workaround for all this was an acoustic coupler, a device that played your modem’s sounds directly into a phone’s receiver without any electrical connection. Modem speeds were slow ...

Directional drilling has been an integral part of the oil and gas industry since the 1920s. While the technology has improved over the years, the concept of directional drilling remains the same ...

The Dellner Group of companies design and manufacture several types of automatic couplers and semi-permanent couplers for railways and Mass Transit Authorities around the world. These products are ...

A device that connects a terminal or computer to the handset of a telephone. Acoustic couplers were widely used in the days of analog telephone networks in the 1970-1990s time frame to convert the ...

When Jon Ersland purchased his first horizontal directional drill about 10 years ago, he figured he would use it only occasionally - likely just once or twice a week. But today, he finds he uses ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have ...

The SAE J3400 NACS Task Force has also announced that the NACS acronym has been updated to “North American Charging System,” reflecting that it is system comprising a set of industry standards ...