초록

A card-like device having a microprocessor and a speaker to communicate with telephone line, the device also including a single switch which when depressed by a user first activates the device and then causes a DTMF signal to be generated.

대표청구항 ▼

A telephone dialer card device comprising a microprocessor including a memory device for storing a signal corresponding to desired telephone number, a power source, said microprocessor having the capability of generating an electrical signal corresponding to said desired telephone number when activa

A telephone dialer card device comprising a microprocessor including a memory device for storing a signal corresponding to desired telephone number, a power source, said microprocessor having the capability of generating an electrical signal corresponding to said desired telephone number when activated, transducer means for converting the electrical signal to an acoustic signal for coupling to a telephone line, and switch means mounted on said card for supplying power from said power source to said microprocessor, said switch means being a first operative position when a user applies a firs amount of pressure thereto, said switch means being in a second operative position when a user applies a second amount of pressure thereto.