Abstract:
An electronic apparatus has a first memory storing therein a plurality of data comprising a first lingual words and a second lingual words corresponding respectively thereto, and a second memory for storing information to freely read out at least one of said plurality of data stored in the first memory. The apparatus further has means for reading out the information stored in the second memory and reading out, on the basis of the information read out, the second lingual word relating thereto from the first memory.

Description:
This application is a continuation of application Ser. No. 144,216 filed Apr. 28, 1980 now abandoned. 
    
    
     BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     This invention relates to an electronic apparatus suited to aid a user in memorizing and learning information forming a pair of data, for example, words of one language and their Japanese equivalents. 
     2. Description of the Prior Art 
     Word cards have heretofore been used by students to learn and memorize information forming a pair of data, for example, words of one language and their Japanese equivalents. In a more or less advanced stage of learning, it is often the case that at a glance at a word of the one language, the student can remember its Japanese equivalent. But often some words are difficult to remember and in such cases, it has been common practice to pick out cards bearing difficult words and have the student specially and deliberately review these words, thereby enhancing the learning efficiency. 
     SUMMARY OF THE INVENTION 
     It is an object of the present invention to provide an electronic apparatus for aiding a student in memorizing and learning which performs such a function. 
     It is another object of the present invention to provide an electronic apparatus designed such that particularly important information or information that is desired to be preserved for review can be stored in a special memory. 
     It is still another object of the present invention to provide an electronic apparatus having a first memory storing therein a plurality of bits of information, a second memory for selectively storing therein some of said plurality of bits of information stored in the first memory, and means for reading out the contents of said second memory. 
     It is yet still another object of the present invention to provide an electronic apparatus having a first memory storing therein a plurality of data comprising first words in one language and second words in a second language corresponding respectively to the first words, a second memory for storing information for freely reading out at least one of the plurality of data stored in said first memory, and means for reading out the information stored in said second memory and further reading out, on the basis of the information read out, the second word relating thereto from said first memory. 
     The invention will become more fully apparent from the following detailed description thereof taken in conjunction with the accompanying drawings. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     FIG. 1 is a block diagram showing an embodiment of the electronic apparatus according to the present invention; and 
     FIG. 2 is a block diagram showing another embodiment of the present invention. 
    
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS 
     In describing the embodiments of the present invention, English is taken as a first language and Japanese as a second language. Of course, the concept of the present invention is applicable for other languages. 
     The present invention will hereinafter be described with reference to the drawings. 
     In FIG. 1, which shows an embodiment of the present invention, a ROM is a read-only memory, e.g., fixed memory. At each address AD of the fixed memory ROM, there are stored a plurality of binary codes EGW (constituting first information) corresponding to English words and a plurality of binary codes JPW (constituting second information) corresponding to Japanese words respectively equivalent to the English words. X designates a key signal generator that may comprise a plurality of keys for causing an English word and its Japanese equivalent to be read out from the fixed memory ROM thereby permitting the English and equivalent Japanese words to be displayed. INP denotes other key group comprising a plurality of keys for instructimg the apparatus to perform various functions as hereinafter described. CPU designates a central processing unit which receives the input signal from the key X signal generator designating the English and equivalent Japanese words to be studied. The CPU then delivers an address signal to the address AD of ROM corresponding to the designated words to be studied through a signal line l1 on the basis of the key signal input from the key signal generator, and receives back from the ROM a binary code EGW corresponding to the English word stored at the address designated, through a signal line l2, and a binary code JPW corresponding to the Japanese word equivalent to the English word, through a signal line l3. 
     The central processing unit CPU first delivers the designated binary code EGW to a display device DIS, which displays the corresponding English word in ordinary characters. By operating a specific one of the instruction keys in the key group INP, it is also possible to have the Japanese equivalent word displayed on the display device DIS. Further, the central processing unit CPU may receive information from a RAM, to be described hereinafter, on a signal line l4, to be delivered to the display device DIS. At the same time, to coordinate this RAM information with the corresponding English word represented by the code EGW, the addresses AD in the address portion of ROM are successively addressed until the English word code EGW corresponding to the RAM information delivered to the CPU on signal line l4 is located. Then the corresponding Japanese word code JPW is introduced to the CPU from ROM through the signal line l3. The RAM is a memory which is capable of having data written thereinto and read thereoutof, such as, for example, a random access memory. The RAM is particularly useful for memorizing specific information relating to the languages which the student especially wishes to learn or review. For example, it is to be understood that the RAM writes or reads out a plurality of English words successively in a stack form. 
     Y is a key for selectably causing information to be written into the memory RAM. With this write key Y, a write instruction is delivered to the pointer PT of the memory RAM, to selectively address successive addresses therein through a signal line l5 into which data is to be written. The Y key output is also supplied to an AND gate G1 along with the EGW output on line l2 from the fixed memory device ROM, so that the EGW code read out at the time of the write instruction is also delivered into the data section DA of the memory RAM to the address then selected by the pointer PT through a signal line l6. 
     Z designates the read-out key for the memory RAM. The key output thereof is supplied to the pointer PT of RAM through a signal line l7 and is also supplied to an AND gate G2. This AND gate G2 is also supplied with the data output DAO from RAM, and the data output DAO, read out from RAM at the time the Z key is actuated, is supplied to the central processing unit CPU through the signal line l4, as described above. 
     Operation will not be described. Assume that the student has operated the key signal generator INP and the display key X to designate an English word, for example, &#34;PATENT&#34; for display and has operated the appropriate key in the group INP to cause the English word to be displayed on the display DIS. The word &#34;PATENT&#34; is then read out from the memory ROM in accordance with the address determined by CPU. Here, the student may or may not wish to look at the Japanese equivalent of the designated English word. If the student wants to look at the Japanese equivalent, he or she may operate the appropriate key of the group INP to cause the Japanese equivalent to be displayed on the display device DIS. When the student thinks it will be necessary or desirable to review the word &#34;PATENT&#34; at a later time, he or she depresses the write key Y while that word is being read out from the ROM. When the key Y has been depressed, the data at the address of the ROM being delivered to the CPU remains unchanged but at that time, the code EGW representing the English word &#34;PATENT&#34; entered through the signal line l2 to the CPU is also delivered into the data portion DA of the random access memory RAM through the AND gate G1. Furthermore, by operation of the Y key signal, the pointer PT of RAM is varied by +1 to address the next successing address of the data portion DA either before or after the information on the word &#34;PATENT&#34; has been written into the RAM. Thus, EGW codes are successively written into this RAM in a stack form as the write key Y is actuated. 
     Thereafter, each time the student depresses the key Z during the later review as desired, the EGW codes successively written into the data section DA of RAM are successively delivered in stack form to CPU through the AND gate G2 and signal line l4 and are successively displayed on the display device DIS. More particularly, with each operation of the key Z, -1 is applied to the pointer PT of RAM to successively inspect each address therein in descending order. At the time he or she reaches the word &#34;PATENT&#34;, if he or she wants to look at the Japanese equivalent of the English word &#34;PATENT&#34;, he or she may operate the specific key of the key group INP already described to change the display from the English word to the Japanese equivalent since both are supplied to the CPU from the ROM. This thus causes the Japanese equivalent &#34; &#34; of &#34;PATENT&#34; to be displayed on the display device DIS. 
     It is also possible to operate the write key Y to thereby cause the code EGW for an English word and the corresponding code JPW for the corresponding Japanese word to be memorized in the form of a pair of data by the data section DA of RAM, or to operate the key Y to cause the address AD of ROM addressed at a particular time to be memorized by RAM. When the read-out key Z is operated in this latter case the ROM address written into the data section DA of RAM would then be read out to cause the content of this ROM address to be delivered from ROM to CPU and displayed on the display device DIS as described above. Also, in case where it is necessary for a word not memorized by ROM to be entered into RAM by the key group INP, such INP output may be supplied to an OR gate with the output of the AND gate G1 and the OR output may be transferred to the data section DA of the memory RAM through a signal line l6. 
     The memory capacity of the ROM may be, for example, 128-kilobits which can accommodate one thousand English words. The RAM may be one having capacity sufficient to memorize ten to thirty English words. These capacities can provide an apparatus very useful for successful learning of languages. In the foregoing description, the form of English-Japanese translation has been adopted, but learning in the form of Japanese-English translation could be easily provided for by interchanging the codes EGW and JPW with each other in the ROM. 
     As has been described above, the present invention has the effect of enabling one to efficiently memorize and learn a foreign language. 
     In the above-described embodiment, information is communicated to the student by use of visual display means. But as shown in FIG. 2, the display means may be replaced by a memory ROM1 which has stored therein quantized pronunciation of words and with the information read out from the fixed memory device ROM as addressed, the pronunciation of each word is accessed from said memory ROM1 and supplied to a speaker SP. Therefore it is possible to obtain a voice output instead of visual display. It will be realized that in the embodiment as shown in FIG. 2, the same components as those of FIG. 1 are designated by the same reference numerals and function in the same manner.