VOICE RECORDABLE CARD

摘要

PURPOSE:To attain transmission of a message at an optional time point even in case the receiver is absent and also call out the receiver freely in an emergency, by providing a function to record the message and put it into the handset of a telephone set for transfer of the message. CONSTITUTION:When a sound record mode designation key provided on a card 1 is pushed, switches SW1 and SW2 are turned on and off respectively. Then the information supplied through a mike 14 is converted into the digital data by an A/D converter 21 and stored in a memory 22. This information is transmitted to a transmitter/receiver 3 from the memory 22 via a contact 18 of an interface 24 in response to the input of a transmission mode designation key. The information received by the transmitter/receiver 3 in response to the input of a reception mode designation key is stored to the memory 22 via the contact 18. Then SW1 and SW2 are turned off and on respectively with the input of a reproduction mode designation key. This information is converted into analog electric signals by a D/A converter 23 and reproduced through a speaker 15.