초록 ▼

Card or postal media which comprises a storage member to retain audio information picked up by a microphone, a sound generating member including a speaker, a mode selection signal producing member to allow either record or playback to be selected, a controller performing record or playback according

Card or postal media which comprises a storage member to retain audio information picked up by a microphone, a sound generating member including a speaker, a mode selection signal producing member to allow either record or playback to be selected, a controller performing record or playback according to the mode selection signal from the mode selection signal producing member; converting the audio signal from the microphone from analog to digital and storing it in the storage member when the record mode is selected; retrieving stored information from the storage member, converting it from digital to analog, and outputting the analog signal to the sound generating member when the playback mode is selected, and a card board on which the microphone, speaker, and the other members are mounted.

대표청구항 ▼

Card comprising; (a) means for storing audio information picked up by a microphone, (b) means for generating sound including a speaker, (c) means for producing a mode selection signal corresponding to any one of a record mode and a playback mode, (d) control means for selectively setting any one of

Card comprising; (a) means for storing audio information picked up by a microphone, (b) means for generating sound including a speaker, (c) means for producing a mode selection signal corresponding to any one of a record mode and a playback mode, (d) control means for selectively setting any one of the record and playback modes according to the mode selection signal from the producing means; converting the audio signal from the microphone from analog to digital and storing it in the storage means when the record mode is selected; retrieving stored information from the storage means, converting it from digital to analog, and outputting the analog signal to the generating means when the playback mode is selected, and (e) a card board on which the microphone, speaker, and each means are mounted.