RU2030297C1 - Keyboard - Google Patents

Abstract

FIELD: control equipment. SUBSTANCE: keyboard has keys with pushers and actuating elements. Keyboard can be supplemented with additional keyboard. EFFECT: simplified design. 2 cl, 2 dwg

Description

 The invention relates to controls and can be used to enter various kinds of programs, commands, alphanumeric information in computer technology, control systems, communication technology.

 A keyboard is known in which the same amount of information can be entered using four keys of a special design, combined in pairs. The disadvantages of this keyboard include the low reliability of inputting information due to the need to shift fingers in the process of working with the surface of the key.

 Closest to the proposed one is a keyboard in which five keys are placed in accordance with the location of the fingers of the operator’s hand (in an arc), memory for accumulating signals from each key, a logic circuit for managing the accumulated information after releasing the last key and the encoder for receiving signals and input the corresponding electrical signals, provides the input of 31 possible combinations of alphabetic and other characters without switching registers and without shifting the fingers with the specified x keys.

 The disadvantages of this device include the need to shift the thumb from the keyboard when switching registers, the relatively complicated way of remembering and entering the desired character, as well as the large size of the keyboard.

 The purpose of the invention is the reduction in size and simplification of the keyboard.

 This is achieved by the fact that information is entered using two keys, each of which is connected through an axial connection to the pusher, during operation moving vertically (from top to bottom), as well as with two horizontally located pushers connected through return springs with actuators.

 A comparative analysis of the proposed keyboard and the well-known one showed that there are newly introduced elements: keys connected through the axis of rotation with two horizontal pushers and one vertical, which are connected through actuating springs to actuating elements. This indicates compliance with the criterion of "Novelty."

 The newly introduced elements are widely known, but their specific location, quantity and relationships with the known ones make it possible to talk about the compliance of the proposed keyboard with the criteria of the invention "Significant differences".

 In FIG. 1 shows one of the keys, side view; in FIG. 2 - keyboard, top view.

 The keyboard contains a panel 1, keys 2, a vertical pusher 3, horizontal pushers 4, return springs 2, a vertical pusher 3, horizontal pushers 4, return springs 7, actuators 6, connecting axles 5.

 The actuators 6 and the additional register shift key III are shown in FIG. 1 and 2 conditionally, since the executive elements can be of any type, and the III keys may be present in the keyboard, and absent.

 The device operates as follows.

 When entering data, press, for example, the left I key down and forward. The vertical pusher moves down and acts on the lower actuator. At the same time, the horizontal pusher of this key moves forward and moves it until it interacts with the actuating element and connected through the return spring. The simultaneously pressed II key, for example, down causes downward movement of its vertical pusher and its interaction with the corresponding actuating element. In this case, an “And” signal is generated at the output of the device.

 Key III is used to enable the required case (digital, capital, letter, etc.). Since the switching of the registers can, in principle, be carried out by the combined pressing of the keys I and II, the presence of the key III is not necessary. Thus, the proposed keyboard can significantly reduce the size of the keyboard row while ensuring reliable data entry.

 To increase the speed of work during data entry, a second similar keyboard can be used, working in parallel with the first, and combined with it a general polling pattern of the keystroke state. Thus, when sequentially polling keyboards (from left to right), two characters are entered with a single press on the corresponding key combination.

Claims (2)

 1. A KEYBOARD containing a power source, a block of the interrogation logic and control circuit, push buttons, actuators installed in the panel, characterized in that, in order to reduce the design and increase labor productivity, it is equipped with three additional push rods, one of which is pivotally connected with a key pusher, and two others are located in the rocking plane of the key pusher, with additional pushers provided with return springs associated with actuators.  2. The keyboard according to claim 1, characterized in that it is equipped with a second similar keyboard having a panel separate from the first keyboard, and the outputs of the two keyboards are connected in parallel with the input of the interrogation and control logic block.

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