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An apparatus for communication of instructing information comprises a transmitter (1), a receiver (2) and a data setting portion (5). A random access memory (22) of the transmitter (1) is in advance stored with a plurality of pieces of instructing data and any one of the pieces of instructing data,

An apparatus for communication of instructing information comprises a transmitter (1), a receiver (2) and a data setting portion (5). A random access memory (22) of the transmitter (1) is in advance stored with a plurality of pieces of instructing data and any one of the pieces of instructing data, as stored, is read out and is displayed by a display (13). Any one of the pieces of instructing data is selected by a selection key (12) and the address data corresponding to the instructing data as selected is transmitted by the transmitter (18). On the other hand, the receiver (3) receives the transmitted address data. The receiver (3) is provided with a random access memory (37) for storing the instructing data as is similar to that of the transmitter (1). The corresponding instructing data is read from the random access memory (37) as a function of the received address data and the instructing information is reproduced as a speech sound by means of a speech synthesizing circuit (39). The instructing data stored in the random access memory (22) of the transmitter (1) and the random access memory (37) of the receiver (3) is arbitrarily changed by means of the data setting portion (5).

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1. An apparatus for communication of instructing information, including a transmitter for transmitting a selected one of a plurality of pieces of instructing information having different meanings, and a receiver for receiving the transmitted selected one of a plurality of pieces of instructing infor

1. An apparatus for communication of instructing information, including a transmitter for transmitting a selected one of a plurality of pieces of instructing information having different meanings, and a receiver for receiving the transmitted selected one of a plurality of pieces of instructing information; said transmitter including: first storage means having a plurality of addresses for storing, in respective addresses, a plurality of pieces of instructing data corresponding to said plurality of pieces of instructing information, display means, including displaying regions respectively capable of displaying said plurality of pieces of instructing information, for reading out the plurality of pieces of instructing data stored in said first storage means and for correspondingly displaying the plurality of pieces of instructing information in respective displaying regions, selecting means comprising selectors, one for each of said displaying regions in said display means, for selecting any of said plurality of pieces of instructing information being displayed in a corresponding respective displaying region, and transmitting means responsive to selection of any of the plurality of pieces of instructing information by said selecting means for transmitting a corresponding address signal corresponding to each said piece of instructing information selected by said selecting means; and said receiver including: receiving means for receiving each corresponding address signal transmitted by said transmitting means, second storage means, having corresponding addresses corresponding to said respective addresses of said first storage means, for storage in the corresponding addresses corresponding data corresponding to said plurality of pieces of instructing data stored in said first storage means, output means responsive to each corresponding address signal received by said receiving means for reading out data from the corresponding addresses of said second storage means based on each corresponding address signal received, and for providing the data thus read out as instructing data corresponding to each said piece of instructing information selected by said selecting means in said transmitter; said apparatus for communication further comprising: data changing means for changing any piece of instructing data stored in a respective address in said first storage means and for changing said corresponding data stored in said corresponding address in said second storage means while establishing, in a consistent manner, both a corresponding relation between said piece of instructing information selected by said selecting means and said corresponding address signal transmitted by said transmitting means in said transmitter, and a corresponding relation between said corresponding address signal received by said receiving means and said instructing information corresponding to said instructing data provided by said output means in said receiver. 2. An apparatus for communication of instructing information in accordance with claim 1, wherein said output means comprises sound producing means for producing a sound representing said piece of instructing information corresponding to said instructing data read from said second storage means. 3. An apparatus for communication of instructing information in accordance with claim 1, wherein said output means comprises display means for displaying said piece of instructing information corresponding to said instructing data read from said second storage means. 4. An apparatus for communication of instructing information in accordance with claim 1, wherein said data changing means comprises: address setting means for commonly setting the respective addresses of said first storage means and the corresponding addresses of said second storage means, and instructing data entry means for entering instructing data in common to both the respective addresses of said first storage means and the corresponding addresses of said second storage means as set by said address setting means. 5. An apparatus for communication of instructing information in accordance with claim 1, wherein said data changing means comprises: clock pulse generating means for generating a clock pulse, address designating means responsive to the clock pulse from said clock pulse generating means for designating commonly and successively the respective addresses of said first storage means and the corresponding addresses of said second storage means, and instructing data generating means responsive to the clock pulse from said clock pulse generating means for generating in succession a plurality of different pieces of instructing data and for providing the generated plurality of different pieces of instructing data for storage in the respective addresses of said first storage means and in the corresponding addresses of said second storage means as designated by said address designating means. 6. An apparatus for communication of instructing information in accordance with claim 1, wherein said transmitter and said receiver each comprise mode selecting means for selecting a mode in which the instructing data is stored in both said first storage means and said second storage means by said data changing means. 7. An apparatus for communication of instructing information in accordance with claim 1, wherein: said transmitting means transmits said address signals in the form of an electric wave, and said receiving means receives said address signals as transmitted : in the form of an electric wave. 8. An apparatus for communication of instructing information in accordance with claim 1, wherein said transmitting means comprises a light emitting portion for emitting light representing said address signals, and said receiving means comprises a light receiving portion for receiving said light transmitted representing address signals. 9. An apparatus for communication of instructing information in accordance with claim 8, wherein said light emitting portion comprises a plurality of light emitting means disposed to emit light in different directions, and said light receiving portion comprises a plurality of light receiving means disposed to receive the light from different directions. 10. An apparatus for communication of instructing information in accordance with claim 1, wherein said transmitter and said receiver are implemented in a single unit, two of said single units being used for bidirectional transmission and reception. 11. An apparatus for communication of instructing information in accordance with claim 1, wherein said apparatus includes a display, and wherein: said output means comprises a display lamp for being lighted in response to said each corresponding address signal received by said receiving means, and said data changing means comprises instructing information indication members having instructing information indicated thereon and detachably provided on said display for indicating said instructing information when said display lamp is lighted. 12. An apparatus for communication of instructing information in accordance with claim 1, wherein said data changing means is provided in said transmitter of said apparatus. 13. An apparatus for communication of instructing information in accordance with claim 4, wherein said address setting means and said selecting means are provided in said transmitter of said apparatus, said address setting means and said selecting means comprising a common keyboard for designating any one of said respective addresses of said first storage means and said corresponding addresses of said second storage means in an address setting mode, and for selecting said any one of said plurality of pieces of instructing information in a selection mode. 14. An apparatus for communication of instructing information, including a transmitter for transmitting a selected one of a plurality of pieces of instructing information having different meanings, and a receiver the transmitted selected one of a plurality of pieces of instructing information; said transmitter including: selecting means for individually selecting any one of said plurality of pieces of instructing information, and transmitting means for transmitting address data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; and said receiver including: receiving means for receiving the address data transmitted by said transmitting means, and output means responsive to the address data received by said receiving means for providing instructing data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; said apparatus for communication of instructing information further comprising: data changing means for changeably establishing, in a consistent manner, both a corresponding relation between said any one of said plurality of pieces of instructing information selected by said selecting means and said address data transmitted by said transmitting means in said transmitter, and a corresponding relation between said address data received by said receiving means and said instructing data provided by said output means in said receiver; wherein said apparatus includes a display, and wherein: said output means comprises a display lamp for being lighted in response to the address data received by said receiving means, and said data changing means comprises instructing information indicating members having instructing information indicated thereon and detachably provided on said display for indicating said instructing information when said display lamp is lighted. 15. An apparatus for communication of instructing information, including a transmitter for transmitting a selected one of a plurality of pieces of instructing information having different meanings, and a receiver for receiving the transmitted selected one of a plurality of pieces of instructing information; said transmitter including: selecting means for individually selecting any one of said plurality of pieces of instructing information, and transmitting means for transmitting address data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; and said receiver including: receiving means for receiving the address data transmitted by said transmitting means, and output means responsive to the address data received by said receiving means for providing instructing data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; said apparatus for communication of instructing information further comprising: data changing means for changeably establishing, in a consistent manner, both a corresponding relation between said any one of said plurality of pieces of instructing information selected by said selecting means and said address data transmitted by said transmitting means in said transmitter, and a corresponding relation between said address data received by said receiving means and said instructing data provided by said output means in said receiver; wherein said data changing means is provided in said transmitter of said apparatus. 16. An apparatus for communication of instructing information, including a transmitter for transmitting a selected one of a plurality of pieces of instructing information having different meanings, and a receiver for receiving the transmitted selected one of a plurality of pieces of instructing information; said transmitter including: selecting means for individually selecting any one of said plurality of pieces of instructing information, and transmitting means for transmitting address data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; and said receiver including: receiving means for receiving the address data transmitted by said transmitting means, and output means responsive to the address data received by said receiving means for providing instructing data corresponding to said any one of said plurality of pieces of instructing information selected by said selecting means; said apparatus for communication of instructing information further comprising: data changing means for changeably establishing, in a consistent manner, both a corresponding relation between said any one of said plurality of pieces of instructing information selected by said selecting means and said address data transmitted by said transmitting means in said transmitter, and a corresponding relation between said address data received by said receiving means and said instructing data provided by said output means in said receiver; wherein said transmitter further comprises: first storage means having a plurality of addresses for storing, in respective addresses, a plurality of pieces of instructing data corresponding to said plurality of pieces of instructing information, and display means associated with said selecting means and responsive to the selection of said any one of said plurality of pieces of instructing information by said selecting means for displaying same in accordance with corresponding said instructing data stored in said first storage means; and wherein said receiver further comprises: second storage means having corresponding addresses, corresponding to respective addresses of said first storage means, for storing additional data corresponding to said instructing data stored in said first storage means, and read means responsive to the address data received by said receiving means for reading corresponding said additional data from said second storage means and for providing same to said output means; wherein said data changing means comprises data setting means for commonly changing the instructing data stored in said first storage means and the corresponding additional data stored in said second storage means for each of said respective addresses and said corresponding addresses, respectively; wherein said data setting means comprises: address setting means for commonly setting the respective addresses of said first storage means and the corresponding addresses of said second storage means, and instructing data entry means for commonly entering instructing data in the respective addresses of said first storage means and the corresponding addresses of said second storage means in accordance with the common setting of the respective addresses of the first storage mean and the corresponding addresses of said second storage means by said address setting means; wherein said address setting means and said selecting means are provided in said transmitter of said apparatus, said address setting means and said selecting means comprising a common keyboard for designating any one of said respective addresses of said first storage means and said corresponding addresses of said second storage means in an address setting mode, and for selecting said any one of said plurality of pieces of instructing information in a selection mode.