THE MICRO-RAY

Hokitika Guardian, 2 April 1931, Page 6

THE MICRO-RAY

It A DIO MARVEL. CHEAP SECRET TELEPHONY. L United Press Association.—By itlecti n 1 eleg rapfi. —Copy rig ul. j London, .March ;u. Secret wireless l.e|cp|„„iy :l , ing cheapness is promised |,y the b ||,|)( 'b inventors ol ;l new iil| rn-shorl wave- system, which lias been demonstrated by the Post Ollier cflieials. who conversed from the dill's at. Dover with French engineers a L Calais with a 'rave length ol eighteen centimetres.

The transmitting and receiving aerials are less than an inch long, and are amazingly low. Tim power is only hall a watt, which is barely sufficient to light tli e flashlight bulb used. The discovery is known as the ,Microra.y, ami the essential principle i,s a guarded secret. Briefly, the speakers’ voices are con verted into a ray which is concentrated by two reilertors in a line pencil ray. which behaves i ll a, manner similar to light thrown into space, and is picked up li.v the associated apparatus at,the oiler end.

I lie success of the apparatus envisages the complete disappearance ol expensive tall aerials, and elaborate stations, and also dm end of dm pnsuit serious congestion ot llm ether. .It also presages universal radio telephony at a relatively small cost, and the intense development of television, which is brought within, commercial grounds. The ‘'Morning Rost'-' says that, llm presence ol numerous foreign high ofiicinls reveals the interest aroused.