JPS634221B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a text creation machine using a computer, a so-called word processor, and is intended to expand the functionality.

This type of word processor includes, for example, a keyboard switch device arranged in the same arrangement as a typewriter, a signal processing circuit that converts the signal from the keyboard device into a code signal, and a signal processing circuit that decodes the code signal to generate instructions. It consists of a display device that displays code signals, and a recording device that records code signals on a recording medium.

In such a word processor, when an arbitrary sentence is input from a keyboard device, that sentence is coded character by character and displayed on a display device, and a code signal is recorded on a recording medium. Therefore, by reproducing this recording medium at a desired time, the above-mentioned arbitrary sentence can be retrieved, and this sentence can also be easily corrected by operating the keyboard device.

By the way, the applicant of the present application has previously proposed that such a word processor be capable of recording audio signals as well. This is suitable for, for example, recording a dictation and inputting it later by key.

In that case, the code signal is recorded in units of, for example, one page (80 characters x 40 lines), so
Recording time is constant. In contrast, the time of dictation recording is irregular. For this reason, in cases where dictation and code signals are recorded alternately, when dictation is converted to a code signal, the fraction of the dictation time divided by the time for one page of the code signal is becomes wasted.

In view of these points, the present invention eliminates the above-mentioned wastes and enables code signals to be recorded satisfactorily. An embodiment of the present invention will be described below with reference to the drawings.

First, FIG. 1 shows the operating section of a word processor according to the present invention. In the figure, 1 is a keyboard device in which key switches corresponding to each letter of the alphabet are arranged in an arrangement similar to that of a typewriter. Reference numeral 2 denotes a display device in which, for example, 40 5×7 dot matrix liquid crystal display sections are arranged side by side. Reference numeral 3 denotes a recording/reproducing device, and a so-called microcassette type tape recorder is provided. Furthermore, a control switch 4 for the tape recorder and an editing switch 5 used for correcting text, etc. are provided. Further, 6 is a speaker, 7 is a microphone, and 8 is a power switch.

The internal configuration of this device is as shown in FIG. That is, an output signal from the keyboard device 1 is supplied to a key encoder 11, and this encoded signal is supplied to a central processing circuit (CPU) 12 constituting a signal processing circuit. This processing circuit 1
2 is supplied to the display device 2 through the matrix encoder 13.

Furthermore, the processing circuit 12 has an interface circuit 1.
4 is connected. A memory 15 is connected through this circuit 14.

Further, the signal from the circuit 14 is supplied to the recording/reproducing device 3 through the mixing circuit 16. In addition, in the circuit 14, "1" in the code signal is 600Hz, "0" is 300Hz.
The signal is converted into a tone burst signal of Hz and supplied to the recording/reproducing device 3. Furthermore, the audio signal from the microphone 7 is supplied to the mixing circuit 16 through an amplifier 17 and a low-pass filter 20 of, for example, 6 kHz or less. Furthermore, a pulse signal is output from the circuit 14 at predetermined time intervals when the recording device 3 is driven, and this signal is supplied to a pilot signal forming circuit 21 consisting of an amplitude modulator with a carrier frequency of 7 kHz, and this output signal is sent to the mixing circuit 16. Supplied. Also, circuit 14
A muting signal from is supplied to the amplifier 17.

Further, a reproduction signal from the recording/reproducing device 3 is supplied to the circuit 14 . In addition, in the circuit 14, the
A 600Hz signal is converted to a "1" code signal, and a 300Hz signal is converted to a "0" code signal. Also, the playback signal is from amplifier 1.
The signal is supplied to the speaker 6 through a low-pass filter 22 with frequencies below 8kHz and 6kHz. Also, the playback signal is 7k
Hz bandpass filter 23 and the output of this filter is supplied to circuit 14. Additionally, a muting signal from circuit 14 is supplied to amplifier 18.

Also, signals from switches 4 and 5 are supplied to circuit 14. The signal from this circuit 14 is then supplied to the system control circuit 19 of the recording/reproducing device 3.

In this device, when an arbitrary sentence is input from the keyboard device 1, this signal is sent to the processing circuit 12.
and stored in the memory 15 through the circuit 14. This memory 15 has one page, for example 80
It has a storage capacity that can accommodate code signals of 40 characters x 40 lines.

And the text entered from keyboard device 1 is
When the 40th line is reached or the user presses a predetermined switch in the switch 5, this signal is supplied to the processing circuit 12, and the code signals stored in the memory 15 are read in order according to instructions from the processing circuit 12. and supplied to the recording/reproducing device 3. At this time, a command from the processing circuit 12 is supplied to the control circuit 19 to put the recording/reproducing device 3 into the recording mode. Also, at this time, immediately before reading from the memory 15, a header code signal including a predetermined synchronization signal, page number, etc. is supplied from the processing circuit 12 to the recording/reproducing device 3 and is recorded.

Also, an audio signal from the microphone 7 is supplied to the recording/reproducing device 3 . Then, when the user presses the record switch in the switch 4, this signal is supplied to the processing circuit 12, and a command from the processing circuit 12 is supplied to the control circuit 19 to put the recording/reproducing device 3 into the recording mode. At the same time, a pilot signal is formed in the processing circuit 12 at an interval corresponding to the recording time of one page's worth of code signals, and this signal is
Recording/reproducing device 3 modulated by 7kHz tone signal
is supplied to Note that when recording the above-mentioned code signal, the audio signal is muted by the amplifier 17 according to a command from the processing circuit 12.

After the recording is completed, a command from the processing circuit 12 is supplied to the control circuit 19 at the timing of the above-mentioned pilot signal, and the recording/reproducing apparatus 3 is stopped.

Further, when the playback switch of the switch 4 is pressed, this signal is supplied to the processing circuit 12, and a command from the processing circuit 12 is supplied to the control circuit 19, thereby putting the recording device 3 into the playback mode. Immediately after the above-mentioned header code signal is reproduced, the code signal is read into the memory 15. Furthermore, when the header code signal is reproduced, the reproduced signal supplied to the speaker 6 is muted by the amplifier 18 according to a command from the processing circuit 12 for a period necessary to reproduce the code signal for one page described above.

Further, when an audio signal is being reproduced, this reproduced signal is emitted from the speaker 6, and a pilot signal is separated and detected by the processing circuit 12. After the reproduction is finished, the recording/reproducing device 3 is stopped at the timing of this reproduction pilot signal.

Furthermore, part of the code signal stored in the memory 15 is supplied to the display device 2 through the processing circuit 12 and displayed. Here, since the display device 2 can display only one line of 40 characters, each line is displayed in half. For example, keyboard device 1
When inputting from , the characters that make up the first or second half of the line being input are displayed. Further, when the code signal from the recording device 3 is being read into the memory 15, the characters forming the first half of each read line are displayed.

Furthermore, when a predetermined switch of the switches 5 is pressed, the first half or the second half of an arbitrary line stored in the memory 15 is displayed. In this state, the user can use the switch 5 and the keyboard device 1 to make corrections to the text. Note that the operation using this switch 5 is equivalent to that of a conventional word processor.

The code signal recorded in this recording device is then supplied to a printer device or the like to create a document or the like.

This is how a word processor is configured.According to the present invention, audio signals can also be recorded on a recording medium that records code signals, and audio signals can also be recorded in units of a predetermined amount. Therefore, even if this is converted into a code signal, no waste occurs, and a good conversion can be performed.

Although the above-described embodiments have been described using a cassette tape as the recording medium, the present invention is equally applicable to cases where other recording media such as disk-shaped recording media are used.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing the operating section of the apparatus according to the present invention, and FIG. 2 is a system diagram showing the internal configuration. 1 is a keyboard device, 2 is a display device,
3 is a recording device, 6 is a speaker, 7 is a microphone, 12 is a central processing circuit, 15 is a memory, 20,
22 is a low-pass filter, 21 is a pilot signal forming circuit, and 23 is a band-pass filter.

Claims (1)

[Claims] 1. A keyboard device, a signal processing circuit that converts key input from this keyboard device into a predetermined code signal and stores it, a recording device that records this code signal on a recording medium, an input circuit for audio signals, and a signal processing circuit that converts key input from this keyboard device into a predetermined code signal and stores it. Means for recording a signal on the recording medium is provided, and at least the code signal is recorded on the recording medium in units of a predetermined number, and also when recording the audio signal. A word processor in which recording is performed in units of time required to record the number of code signals in the above unit, and a pilot signal is recorded for each unit of time.