JPS5978263A - Input unit - Google Patents

Abstract

PURPOSE:To catch and evaluate objectively the skillfulness ability, etc. of an operator, by facilitating measurement and display of data such as key operation speed, by imparting measurement and display functions of key operation speed, etc. CONSTITUTION:A given key on a keyboard 1 is pushed, the generated input signal is supplied to a CPU circuit 2 to process it and introduced through signal lines 3, 5 into a diode 6 where the logic sum of input signals from each key is found out, and the signal is passed through a signal line 7 and input into one input terminal of AND gate 14 of a counting means 13. In a timing signal-generating means 8, the output signal of an oscillating circuit 9 is counted by a time counter circuit 10 and a timing signal which becomes true value for a given period of time at an arbitrary cycle chosen by a change-over switch 11, is output and input into another input terminal of the AND gate 14. In the AND gate 14, the logic product of both signals is counted and input into a pulse counter 15. When the timing signal becomes true value, the number of key operation detecting signals is counted and input into a display means 18 and the number of key operations is displayed through a driver 19 on a display device.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an input device having a function of measuring and displaying key operation speed and the like.

[Technical background of the invention and its problems]

When training operators for word processors, typewriters, etc., data such as the number of key operations per minute and the number of input words per minute are extremely effective in objectively understanding and evaluating the individual proficiency and abilities of operators. be. However, in conventional key seed input devices, the fj
Kiyo did not exist electrically or mechanically. For this reason, when obtaining such data, a third party measures the time using a stopwatch or counts the number of input characters after the input is completed. These methods are troublesome, time consuming, and uneconomical.

[Object 1 of the Invention] An object of the present invention is to provide an input device that easily measures and displays key operation speed in order to objectively understand and evaluate the proficiency, ability, etc. of an operator, etc. be.

[Outline of the invention]

Therefore, in the present invention, the key date and key operation are detected,
means for generating a key operation detection signal; means for generating a retiming signal; means for counting the key operation detection signal for a certain period of time determined by the timing signal; The above object has been achieved by providing an input device having means for displaying arbitrary information such as the number of key operations in a certain period of time.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to the drawings. The figure is a block diagram of an embodiment of the invention.

This embodiment shows an example in which the present invention is applied to a word processor using a microprocessor. 1il-1: A keyboard having In keys. 2 is a CPU circuit. The CPU circuit 2 and each of the n keys of the key I-)+1 are connected by a signal line 3 (n sets of 3, to 31), and a key human input signal from the keys R1 is connected to the CPU circuit 2 through the signal line 3 (n sets of 3, to 31). The recipient receives the information and processes it. +4 is a key operation detection means. This is n branched from each n set of signal lines 3.
It consists of a set of signal lines 5 (51-5.,) and a terminal r6 (6, -611) connected to each of them. Is G's diode-r's silk connected to signal line 5? It is configured to logically OR the key input signals. Also, the common signal &17 of the output of diode r6 is used as argument means 1, which will be described later.
It is connected to one input terminal of the AND gate 14 of No. 3.

8 is a timing signal generating means.

In this case, for example, an oscillation circuit 9 using a crystal oscillator and a time counter circuit 10 whose output signal can be arbitrarily set are configured. The time counter circuit 10 is an oscillation circuit 9
The output signal of is counted, and the true value (in the figure from C to I-
It generates a timing signal that becomes 11 is a changeover switch, which allows time counter circuit 1
The frequency of the timing signal from o, M,! ---Tay, set the number of pulses.

This timing signal is inputted to the other input terminal of the AND gate 14 of the Frl number means 13 via the signal line 12.

The UV number means 13 consists of an AND gate 14 and a ξ counter J5 for counting its output signal. The noll counter 15 is cleared by an external switch 16. The output of the nogle counter is connected to a display means 18 via a signal line 17 (here lj: 8 AI: 1.) according to the number of bits of the output.

The display means 18 consists of an r-lipper 19 and a display 20 driven by the r-liper 19. A liquid crystal digital display is used here.

Next, the operation will be explained using the drawings.

When any key on keyboard 1 is pressed, the key human power signal is pressed.
The signal is generated from =v-place-P1. The key human power signal is provided corresponding to each key (CP via IF line 3).
The signal is sent to 52, passes through the sofa, etc., and is processed as an input signal to a word processor.

On the other hand, in the key frog detection means 4,
Key power number 44 from signal line 3 is connected to diode r6 via signal line 5, which is branched from signal line 3.

Diode)+6 takes the logical sum of each key human input signal and passes it to the AND gate 14 of the counting means 13 via the common power line 7.
is input to one input terminal of Hanging, keyboard 1
A pulse (Pi) is input one pulse at a time to one input M1.1 of the AND gate 14 in the key into which one key is inserted. Output signal to time counter 11'?i 1
0 counts and outputs a timing condition that turns off t (an arbitrary constant moe-interval true value (in this example) T rail in an arbitrary period selected by the b switch 11). This signal is input to the other input terminal of the AND gate 14 of the counting means 13. In the argument means 13, the AND gate 14
Key N that can be input via the Shinzuki response 7: M-detector mail and the previous ML I R number table 112 can be input via the 2-key key N: (Take 1:; and input it to pulse counter 15.・Full 7, counter 15
When the timing signal becomes r:1flT (Hv pel), key 11 ■ Number of plug output signals, that is, set by Meisai 3 suit 11 ('+ Counts the number of times.・ξRus counter 1
The color value of 5 is input to the display means 18 via the digital mail 1117. Based on the input data, the Drino ζ-19 displays the number of key operations on the display 20. ) While the operator continues to press the dowel board 1, the clock count/return 15 counts up every cycle of the timing signal from the timing signal generator 8, but a new count
11], @ clears the pulse counter 15 by using the switch J6. In addition, the timing was right @ generation means 8
The timing signal from ξ does not necessarily have to be a cycle signal, but may be a single pulse signal, and the number of pulses etc. can be arbitrarily set by the changeover switch 11. In this case, before the input signal of one key is finished,
“Key from key operation detection means 4 to input the next key”! ■Since the operation detection signal continuously becomes the true value (I-I level), 1l-j1 no ξ is applied to one input of the AND gate 14.
Only Russian is input: [No. Therefore, only the )ξsis counter 15fd1)Rrus is counted, and the number of key operations is determined to be 1. When using a Keysade input device that causes such problems, it is possible to accurately measure the number of key operations by installing an R-divider circuit in front of the diode 6 and detecting the rise and fall of the input signal. Become.

In this embodiment, the case of a word processor using a CPU has been described, but this need not be limited to word processors, and can also be employed in electronic typewriters, computer terminals, and the like. The present invention can also be applied to mechanical types, pianos, etc., by providing each key with a switch that closes when the key is pressed, or by moving the sensor away by ``h'' to generate an input signal. In addition, in the display means 18, the content displayed on the display 20 is not only the number of key operations, but also the timing signal from the timing signal generation means 8 and the count number of the pulse counter 15, etc. to appropriately perform MW, etc. However, various displays are possible, such as displaying the average value, and can be selected arbitrarily.Furthermore, the number of input words, etc. can also be displayed by using Kiese's ``Scroll Ski'' etc. It is possible.

In this description, a liquid crystal display board is used as the display 20, but there is no need to be limited to this, and a seven-segment display, a cathode ray tube, or the like may be used. Alternatively, if the device is already equipped with a CRT or the like, that may be used.

In this explanation, we will use an oscillator using a crystal resonator as an oscillation circuit.
jτ and circuit 9 are used, but there is no need to limit the circuit to a crystal oscillation circuit, and other means such as a clock signal generation IC may be used.

When the present invention is applied to a device having a CPU circuit, the key operation detection means 4, the timing signal generation means 8, and the counting means 13 can be implemented by software.

〔Effect of the invention〕

As described above, according to the present invention, data such as the operator's key operation speed can be obtained easily, quickly, and economically. This is extremely effective in objectively understanding and evaluating the operator's proficiency, ability, etc.

[Brief explanation of the drawing]

The drawing is a block diagram of an embodiment of the invention. 1... Keysade 2... CPU circuit 3, 5.7,
12.17...Signal line 4...Key operation detection means 6...Diode 8...
・Timing signal generation means 9...Oscillation circuit 10...
・Time counter circuit 11... changeover switch 13・
... Counting means 14 ... AND gate 15 ... Pulse counter 16 ... Switch 18 ... Display means
19...r lifemer 20...display agent patent attorney rule close 5? , Te Yu (and 1 other person)

Claims (1)

[Claims] A key operation detection means that detects the input signal of each key of key 1 and 17 and outputs a key operation detection signal, and a timing signal whose period, duty, and number of pulses can be arbitrarily set. a timing signal generating means for generating;
a counting means for counting key operation detection signals from the key operation detection means during a certain period of time determined by the timing signal from the timing signal generation means; and a counting means based on the count number of the counting means and the timing signal. and display means for displaying certain information.