| 摘要 |
<p>PURPOSE:To open a message card without hearing a message or music or reading the long-winded writing of an explanatory by recording a message or music on a photograph, a polaroid photograph or a card to form the message card and exposing said card to the sunlight or light. CONSTITUTION:A card 1 is introduced into a voice coder 2 to input a personal voice to the card 1 by a microphone 3 and the obtained message card 4 to which a message is inputted is exposed to the sunlight or light. By this method, the personal voice is recorded in place of a letter. By this method, the personal voice can told to the partener and, since the sentence of an explanatory can be explained on a photograph by a voice at the time of the explanation of things, it is unnecessary to read the long-winded expanatory and work can be performed efficiently.</p> |
