发明名称 DISPLAY UNIT FOR CHANNEL SELECTION
摘要 PURPOSE:To enable to discriminate the channel selection at a glance, by electronically displaying characters and symbols expressing the reception station. CONSTITUTION:After the broadcasting station to be preset is selected with the channel selection switch of the channel selection signal producing means 21 of the channel selection display unit 20, the code conversion circuit 22b is selected to the preset mode with the preset switch of the program switch 22a. Next, taking the maximum character and symbol number possible for display as M, the first character of the character and symbol group (Arabic figures and Roman figures etc.) prepared for the characters and symbols to be set at the first digit is displayed on the first digit of the sequential character and symbol display element with the scan switch of the switch 22a, and scan is stopped when the symbol to be set is displayed, and the characters and symbols are written in the RAM of the circuit 22b with the lead switch of the switch 22a. This operation is repeated to the digit M and the combination of the characters and symbols to the reception station is preset to the circuit 22b. Thus, whether or not the desired station is selected is discriminated at a glance.
申请公布号 JPS55147023(A) 申请公布日期 1980.11.15
申请号 JP19790054609 申请日期 1979.05.02
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 SHIMAMOTO TAKESHI;MIKI IICHI
分类号 H04B1/16;H03J1/04;H03J5/00 主分类号 H04B1/16
代理机构 代理人
主权项
地址