| 摘要 |
PURPOSE:To preset and select a program simply and to use effectively all programs stored preliminarily, by inserting a preset card into a desired preset window in a household electronic range and by depressing a switch provided near the preset window. CONSTITUTION:When a preset card 90 of a program number selected by vision is inserted into the preset window, the card 90 is compressed to a switch substrate 20 through an anisotropic conductive rubber film 80. Contact parts 21 and 23 of the substrate 20 are short-circuited, and therefore, phase signals phi1 and phi3 applied to leading-out lines 25 and 27 appear on a leading-out line 24. However, the phase signal phi2 does not appear on a leading-out line 24 because a contact part 22 is opened. Here, when a switch 4 is depressed, signals which appear on the line 24 are input to a program discriminating circuit 6, and the circuit 6 discriminates output signals phi1-phi3 of a three-phase signal generating circuit 1 and outputs the result to an output terminal 7. Thus, the program is preset and selected simply to use effectively all program stored preliminarily. |
