发明名称 TERRESTRIAL AND SATELLITE TELEVISION RECEPTION TUNER
摘要 PCT No. PCT/EP94/01676 Sec. 371 Date Feb. 28, 1996 Sec. 102(e) Date Feb. 28, 1996 PCT Filed May 25, 1994 PCT Pub. No. WO94/29949 PCT Pub. Date Dec. 22, 1994A tuner is used in common for both terrestrial and satellite television reception. A second mixing stage is switched as a mixer for signal conversion into a second intermediate frequency during terrestrial television reception and is switched as a component of a FM-PLL demodulator during satellite television reception. The tuner is particularly suitable for television receivers and video recorders which receive signals from both a terrestrial antenna/signal source and from a satellite antenna/signal source.
申请公布号 EP0701746(A1) 申请公布日期 1996.03.20
申请号 EP19940918781 申请日期 1994.05.25
申请人 DEUTSCHE THOMSON-BRANDT GMBH 发明人 ARMBRUSTER, VEIT
分类号 H03D1/22;H03D3/02;H03D3/24;H03D5/00;H03D7/00;H03J1/00;H04N5/44;H04N5/455;H04N7/20 主分类号 H03D1/22
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