| 摘要 |
PCT No. PCT/JP79/00015 Sec. 371 Date Sep. 24, 1979 Sec. 102(e) Date Sep. 24, 1979 PCT Filed Jan. 23, 1979 PCT Pub. No. WO79/00544 PCT Pub. Date Aug. 9, 1979.A channel selection apparatus comprising a circuit for facilitating the manual channel selection in an electronic tuning radio receiver. It comprises a group of gate circuits (30, 32, 34 and 36) which temporarily interrupt the instruction for the manual channel selection and inputs, instead, an AFC voltage to the control system (22 and 24) of a bias voltage to be applied to variable reactance elements (11) upon reception of a broadcasting wave. |
