Method and a system for remotely switching and/or regulating and

Details Method and a system for remotely switching and/or regulating and Method and a system for remotely switching and/or regulating and

1990-08-06

1992-06-02

Dwyer, James L.

Telephonic communications

Telephone line or system combined with diverse electrical...

Remote control

379104, 379 97, H04M 1100

Patent

active

051194120

ABSTRACT:
A switching system and method of remote switching and/or regulating an electrically operated device by the use of the DTMF telephone or modem signals. A switching and/or regulating element is actuated and/or controlled by the system upon detecting a specific code generated remotely by telephone or modem. The system allows to remotely monitor environmental sounds, the status of the device and/or the variables controlled by this device by the use of signals generated by the system. The system also allows a bi-directional communication by transmiting sounds or spelling words, spelling data and sentences generated by a voice synthesizer for monitoring outside the premises by the use of a telephone for human understanding. The system may use unlimited types of messages which can also describe the status of any type of physical variable sensed on the premises and/or transmits modulated data of the messages described above for out of the premises computer communication linked by the telephone network via a modem. The system also provides for auto-dialing telephone numbers to reach a human and/or computers after detecting external elements malfunctioning.

REFERENCES:
patent: 4353502 (1982-10-01), Myers
patent: 4578540 (1986-03-01), Borg et al.
patent: 4665544 (1987-05-01), Honda et al.
patent: 4748654 (1988-05-01), Gray
patent: 4788714 (1988-11-01), Hashimoto
patent: 4791658 (1988-12-01), Simon et al.
patent: 4845773 (1989-07-01), Atallah

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