A receiving antenna (2) installed on the roof of a building (1) receives a long wave, which is radiated as very weak wave from cables (6) provided on individual floors of the building (1). Radio-regulated clocks (7) receive the radiated wave to keep accurate time.
申请公布号
WO0214962(A1)
申请公布日期
2002.02.21
申请号
WO2001JP06900
申请日期
2001.08.10
申请人
NIPPON TELEVISION NETWORK CORPORATION;MAKINO, TETSUO;TAKAHASHI, YOICHI;KATAYANAGI, YUKIO
