Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Patent
1983-05-05
1986-11-25
Richardson, Robert L.
Telephonic communications
Audio message storage, retrieval, or synthesis
Dynamic audio signal recording or reproduction
379 88, 379211, H04M 164
Patent
active
046250794
ABSTRACT:
The method and apparatus activates, through phone telecommand, an announcer recorder and selectively activates by sending codes at least another automatic call attention phone device to facilitate the remote control of several fixtures located at a phone subscriber's address. The method includes: (A) sending from the calling end of a phone line the characters corresponding to the called phone number; (B) detecting at the called end of the phone line the call trains coming from the phone exchange; (C) closing the d.c. current or conversation circuit over the phone line and coupling thereto a voice synthesizer with a stored announcement inviting the calling party to send a certain code in case he wishes to leave a recorded message; (D) once the code is sent by the calling party, decoding it at the called party's end and, if from the comparison with the code stored in a memory both codes prove to coincide, generating artificial call trains designated to activates a phone answering machine; (E) simultaneously sending, to the calling party, ring back signals intended to advise him that the sent code has been validated and that a phone answering machine is being activated; (F) once the phone answering machine is activated, the calling party's message is recorded; (G) simultaneously with the initiation of stage (F), sending a reset pulse to the phone telecommanded activation device; and finally (H) once step (F) is finished, disconnecting the phone answering machine from the phone line. The apparatus includes devices to carry out the method. Additionally, the calling party can send further codes to activate further devices under remote telecommand control.
REFERENCES:
patent: 3784721 (1974-01-01), Kilby
patent: 3793487 (1974-02-01), Kilby
patent: 4031323 (1977-06-01), Ando et al.
patent: 4192971 (1980-03-01), Morigami et al.
patent: 4387272 (1983-06-01), Castro et al.
Castro Horacio
Castro Marcelo
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