US Patent Issued to AIPHONE on Sept. 23 for "Intercom device and control system" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,550, issued on Sept. 23, was assigned to AIPHONE Co. LTD. (Nagoya, Japan).

"Intercom device and control system" was invented by Kazuyuki Morita (Nagoya, Japan), Yuya Hino (Nagoya, Japan), Hirokazu Kusunoki (Nagoya, Japan), Takayuki Goto (Nagoya, Japan), Yu Shimizu (Nagoya, Japan) and Ryoji Maeda (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A building entrance device (10B) of an intercom device includes a touch operable aerial display (100) for displaying an aerial image (G1, G2) toward a visitor (W1, W2), and a control unit (110). The touch operable aerial display (100) includes: a display device (101) for emitting light; an optica...