Pushbutton inverting circuit小泉 博美森田 隆實小田原 秀文大前 喜一青木 雅治古本 哲男
It is well-known that most mechanical pushbutton switches bounce when pressed, and that a debounce circuit is required to produce a clean, usable signal from the pushbutton. There are many debounce solutions available—common ones use flip-flops or R-S latches—but designing and implementing ...
The utility model discloses a button switch with a position indication. The button switch is composed of a button switch, a bell, a current-limiting resistance, and an LED. The LED emits light which is used as the indication of the position of the switch. The circuit of the switch is ...
PURPOSE:To allow a permissible resistance of a subscriber of 1,500 ohms and to enable emergency call and incoming call even at power failure, by using an external power supply, in a public telephone set provided with a button dial oscillator. CONSTITUTION:A push button dial system public telep...
This chapter discusses various microcontrollers' projects. In the Electronic Dice, 7 LEDs are used for the display and a push button is used to make the throw. The circuit shows use of the 16F818 with its internal 31.25 kHz clock. The push button is an input connected to Port A, 2. Th...
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The cone's outward-diverging open top (32) has the push-button head (12) on it and a lamp (51) to light the head. The top of the conical guide has a ledge (34) around its inside on which the push-button head rests. The latter locks into the top of the conical guide. ...
United States Patent US3329792 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
The invention relates to a push-button operated overload circuit breaker, especially an on-board network circuit breaker with a manual trip mechanism and a bimetallically controlled free-trip mechanism with a breaker mechanism (7), which can be operated by the push-button (41), and a bimetalli...
A pushbutton switch element has a holder (1), switching element (2), pushbutton (3) and elastic element (4). The holder has a bore with slots (12) that receive the arms (23) of the switching element. The end of the element has a central spindle with a cross shaped section. This...