New Ideas

Transistorized TV. A portable all-transistor TV set that operates on home current or a self-contained rechargeable 12-volt battery was announced by Tokyo's Sony Corp. The set weighs only 13 Ibs., measures 6 1/4 in. by 8 in., with a rectangular screen running 8 in. diagonally. Sony will start selling the set in Japan in March, plans to export soon after. Japanese price: about $200.

Pocket Phonograph. Emerson Radio & Phonograph Corp. brought out a small (8 1/2 in. by 4 3/8 in.), light (less than 2 Ibs.) British-made phonograph that operates on four flashlight batteries, automatically adjusts to 33 1/3 or 45 r.p.m. The base has a spindle on which the record rides; the top has a tone arm with a needle, flaps over to play the record. Price: $68.

Electron Cutter. United Aircraft Corp.'s Hamilton Standard Division (propellers) will put on the market a machine, developed by West Germany's Carl Zeiss Foundation, that uses electron beams to weld, mill and drill hair-fine holes in the hardest known materials, e.g., quartz, tungsten, zirconium. An electron gun fires beams that boost the temperature on the surface of the material up to 11,000DEG F. ; it can cut 100 holes in a straight line across a pinhead, drill a sapphire watch bearing in six seconds, weld a tough nu clear reactor core. Lease price: about $25,000 a year -- and up.

Wooden Wallpaper. A wallpaper with a .003-in. covering of grained and stained walnut, birch or cherry wood was put on sale by Chicago's Denst & Soderlund Associates, Inc. The paper, made in West Germany, comes in rolls, or in squares for parquet effect on walls. Price: 25-c- to 33-c- per sq. ft.

3-D TV. Westinghouse Electric Corp. showed off an experimental three-dimensional television set at the Home Furnishings Show in Chicago. Two TV cameras take separate pictures of the same scene, focus them on the screen at the same time. Viewer, by wearing special 3-D eye glasses, sees only one scene with his left eye, the other scene with his right eye --thus gets 3-D effect.

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