| 摘要 |
PURPOSE:To perform easily retrieval without erorr, by outputting a retrieval instruction from a keyboard provided with plural keys on an album-shaped board, for the detection of the image information recorded on the recording media of a video disk, etc. CONSTITUTION:To detect the desired image information among the pieces of image information recorded in a recording medium of VTR, VD player, etc., a photo or an illustration 10 is stuck, respectively on plural ground paper 9 in the same form as a general photo album, and near the illustration 10, a membrane switch 11 made in one body with the ground paper 9 are provided. The output of this keyboard 7 is input into an encoder 12. The encoder 12 outputs a code signal of a number for retrieval coping with the switch 11, and input through a connecting adaptor 8 to a retrieval control unit 4. In this way, there is no need to check the information inscription No., an error in the No. input, and the retrieval is made easy.
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