摘要:
An input device and a manufacturing method of the input device are provided. The input device includes a circuit board and a plurality of mechanical switches. The circuit board has a first surface, a second surface and a plurality of conductive sheets, the second surface and the first second surface are opposed each other. A plurality of holes are formed on the circuit board and the conductive sheets are disposed at one side of the first surface in pairs around the hole, and each of the conductive sheets has a coupling section bent toward the first surface along the direction of the second surface. The mechanical switches are detachable from the circuit board, and each mechanical switch includes a plunger and a plurality of pins. Each of the plungers has a positioning column embedded in the hole. One end of the pin is connected to the plunger, and the other end of the pin passes through the circuit board and is attached to the coupling section of the conductive sheets for the mechanical switch to be electrically connected to the circuit board.
摘要:
In order to achieve a selectible relationship (key force profile curve) between the displacement of a key top (1) and the force used to depress the key, the position of the key top is detected, and a resistive force corresponding to that position is generated and applied to the key top. Hence, a numeral array for the position data and the force data is stored in a memory (19). To apply hysteresis to a key force profile curve, a RS flip-flop (29) whose output is inverted by the position data may be provided to generate different resistive forces in the key top depressing process and the key top returning process.
摘要:
[Object] To provide a push switch with a good click feel and a small operation sound. [Solution] A push switch includes a movable contact (20) including a dome part (21a) that is shaped like a dome and configured to be inverted in shape when pressed, and a fixed contact (10) including a first fixed contact (10a), the movable contact (20) being configured to be brought into contact with and away from the first fixed contact (10a). The push switch is configured such that an operating load necessary to press the movable contact (20) gradually increases after the movable contact (20) starts to be pressed, decreases thereafter when the dome part (21a) is inverted, and increases again when the movable contact (20) is further pressed, and the dome part (21a) contacts the first fixed contact (10a) after an inflection point at which the decreased operating load starts to increase again.
摘要:
Appareil servant à faire fonctionner un appareil photo (10) à pellicule classique, définissant un plan image, en un mode de fonctionnement électronique. L'appareil comprend un module vidéo (12) pouvant être introduit dans un appareil à la place d'une pellicule classique et comprenant un groupement de détecteurs (22) disposés dans le plan d'image et des circuits électroniques associés avec le groupement de détecteurs pour l'acquisition d'images vidéo immobiles.
摘要:
Pivotal movement of a switch actuator (16) drives a finger (16c,16d) projecting from the actuator against a convexly bowed leaf spring (40), depressing an intermediate portion of the leaf spring to an unstable concave condition. The leaf spring resists the actuator movement, initially with an increasing force but changing to a decreasing force at a predictable point (B) in actuator movement to provide tactile feedback at an operator (22) affixed to the actuator. The leaf spring is a flat beam. The spring force and point of changeover can be readily and predictably varied during manufacture by selecting springs (40) having different widths, thicknesses or other variable parameters. A modular block (38) holds the spring in the bowed condition and is positioned relative to the actuator finger by a support plate (36). The actuator finger drives the spring against a conductive rubber block (34a,34b), compressing the block against spaced conductors (28d,28e) on a printed circuit (28) to complete the circuit. A plurality of such switches are made in a common package by layering a printed circuit (28), insulator sheet (30), conductive rubber sheet (34) with raised bosses (34a,34b,34c), detent support plate (36) and a plurality of detent blocks (38) with bowed springs (40), between a base (26) and a cover (4). Back lit illumination is provided by a light pipe (42) trapped against the cover as an additional layer. A microprocessor board (52), connected to the internal printed circuit (28), is attached to the switch housing (2) exteriorly of the base (26).