Spengler’s head-up display

Nowaday cars is a proving area for technological innovations. It is now, and it was in the past – at the dawn of the automotive industry.

A patent for invention “Speed indicator” (US2430690) had been published in a distant 1947. Author is Lester B Spengler. The invention relates to automotive vehicles and describes a speedometer, which suspended on line of driver’s look.

Silent sounder

Computing devices such as personal computers, laptops, tablets, cellulars, and countless types of Internet-of-Thing devices are increasingly prevalent in numerous aspects of modern life. Also they have a lot of different multimedia features. All the world delays in expecting of inexpensive wearable “like-glass” computers.

Hypothetically this one computer will includes cellular- and interaction-means. One of important means is sound reproductor. But classical cellular’s speaker – is very big or loud, and small earphone is unpleasant to carry all of the day. Therefore, a bone conduction has come to help in this problem. There are exist a lot of devices based on “bone-conduction” principle.

One of the first Google’s glasses (US8553910) includes vibration transducer (marked by 182 at picture) in the role of bone-condction speaker.

Senior fox

There is known sports and technical game called “fox hunting”. Players take radio-bearings. Aim of the game is find as soon as possible “foxes” with use own radio-bearing. In the role of the “foxes” are radio transmitters. But there is another type of fox.

Excellent radio electronic “gadget”

It’s a usefull model so-called “Radio-electronic device” (RU22999), which includes a lot of cool things such as truck, container, radio transceiver, power- and life support-devices, spare parts, telescopic mast and antenna-feeder system.

Hello, world! Hello, winter!

Hi! It’s my first post! The first post is about snowballmaking devices because of the first real snowfall.