Patent
1983-12-14
1985-09-10
Rubinson, Gene Z.
H04M 1100
Patent
active
045408513
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a remote control device using a telephone circuit to remote-control an electric apparatus.
BACKGROUND ART
A remote control device is conventionally known to control an electric apparatus from a remote location by using a telephone circuit. However, in the remote control device of this type, the electric apparatus is simply turned on/off. A desired operation mode cannot be selected in an electric apparatus having different operation modes. For example, if an operator wishes to record a radio or television program from a remote location, the channel of the radio or television station cannot be selected as needed. As a result, only a radio or television program on a tuned frequency or channel can be recorded from the remote location.
In the conventional remote control device using a telephone line, when a control signal is sent from the remote location, an electric apparatus to be controlled is started in response to the control signal. The electric apparatus cannot be started after a predetermined time interval has elapsed since the control signal was sent. The control signal must be sent to the electric apparatus at a time when the operator wishes to start the electronic apparatus. Thus, timer recording cannot be performed, resulting in inconvenience. Furthermore, it is impossible to operate the electric apparatus for a given time interval in accordance with the remote control signal.
DISCLOSURE OF INVENTION
The present invention relates to a remote control device for remote-controlling operation modes of an electric apparatus by using a telephone circuit.
It is a first object of the present invention to provide a remote control device using a telephone circuit to remote-control an operating time interval of an electric apparatus such as a radio or television having a plurality of operation channels (i.e., a plurality of operation modes).
It is a second object of the present invention to provide a remote control device using a telephone circuit to start the electric apparatus for a given time interval only after a predetermined time interval has elapsed.
It is a third object of the present invention to provide a remote control device using a telephone circuit to remote-control the electric apparatus only when a specific signal is sent to the electric apparatus through the telephone line.
It is a fourth object of the present invention to provide a remove control device wherein codes representing an operation mode selection and a preset operation time interval upon presetting the operation mode and the operation time interval are converted to audible signals, and these audible signals are returned as response signals to the operator, so that the operator can confirm the operation mode selection and the preset operation time interval through a telephone line.
It is a fifth object of the present invention to provide a remote control device using a telephone circuit of an electric apparatus to preset the operation mode, the start time and the operation time interval of the electric apparatus from a remote location through the telephone circuit.
It is a sixth object of the present invention to provide a remote control device wherein a signal generated upon depression of a button of a pushphone is used as a remote control signal sent to an electric apparatus through a telephone line.
It is a seventh object of the present invention to provide a remote control device using a telephone circuit of an electric circuit to remote-control a video tape recorder.
It is an eighth object of the present invention to provide a remote control device using a telephone circuit of an electric circuit to be used together with an automatic telephone answering apparatus.
In order to achieve the above objects of the present invention, a remote control device is provided wherein a loop means for automatically engaging a telephone circuit with a pushphone by detecting a tone or ringing signal of the pushphone causes the pushphone to engage with the telephone circuit, and a remote co
REFERENCES:
patent: 3829616 (1974-08-01), Blouch
patent: 4121053 (1978-10-01), Dick
patent: 4174517 (1979-11-01), Mandel
patent: 4438295 (1984-03-01), Hales
Brady W. J.
Hashimoto Corporation
Rubinson Gene Z.
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