JPS61147662A - Remote control device - Google Patents

Abstract

PURPOSE:To improve the operability by providing a device with a dial having buttons '1'-'0', '*', and '#' corresponding to an MF signal and performing the same operation as the remote control. CONSTITUTION:When a user starts his own automatic answering telephone set from the place, where he is staying, by a telephone line, the incoming signal appearing in a line terminal 1 is detected by an incoming detecting circuit 8, and a line closing relay 9 is operated, and thereby, a contact 10 closes the line. When the MF signal is received, a control circuit 5 operates a tape recorder 6 in accordance with the control code of the MF signal by the output. In case that the tape recorder 6 is operated to performs, for example, reproducing in the device side without passing the telephone line, '#1#' is inputted similarly to the remote control Since the tape recorder is controlled in the device side by the same dial operation as the remote control because of this constitution, even a long control code like '#xxxx#' is easily remembered, and the operation of the device is confirmed.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a device that uses an MF multiplier signal and is remotely controlled via a telephone line, and particularly to prevent erroneous operations and improve operability in such a device. It is related to the target technology.

(Prior Art and its Problems) In a conventional device of this kind that performs remote control using an MF multiplied signal, one control signal is composed of a plurality of MF signal trains in order to improve operational reliability.

For this reason, when a person performs remote control using the MF dial of the telephone, the operation relies on memory, making it easy to make mistakes and not providing good operability. 1. To solve this problem, there is a dedicated transmitter that emits a signal sequence corresponding to the control signal, but it is generally large and unsuitable for mobile use, and it is difficult to carry this dedicated transmitter. The drawback was that it was useless unless it was used.

In addition, since confirmation work at the time of starting the device is performed using a dedicated switch, etc., the operation method used during actual remote control is different. For this reason, there are inconveniences such as the inability to check the entire device and the operator having to perform special operations.

FIG. 1 shows the case of an answering machine as an example of remote control. 1 is a terminal connected to a telephone line, 2 is a hook switch, 3 is a telephone communication network, 4 is an MF signal receiving circuit, 5 is a control circuit, 6 is a tape recorder, 7 is an operation key, 8 is an incoming call detection circuit, 9 10 indicates a line closing relay, 10 indicates a contact point 8-9 for closing the line, and 11 indicates an MF dial for the telephone circuit network.

Taking the case of remote playback using an answering machine as an example, first activate the answering machine via the telephone line from the place you are away. At this time, the incoming call signal appearing on the line terminal 1 is detected by the incoming call detection circuit 8.
The control circuit 5 determines the detection output and operates the line closing relay 9. Accordingly, the contact 10 closes the line. When the line is closed, line terminal 1. MF signal receiving circuit 4 via relay contact 10° communication circuit network 3
is connected and monitors the MF double signal from the line. When the MF multiplied signal is received, the control circuit 5 controls the reproduction operation of the tape recorder 6 according to the control code based on the MF multiplied signal. Next, in order to operate the tape recorder 6 on the machine side without going through the telephone line, the control circuit 5 is operated by the output of the operation key 7, and the tape recorder 6 is operated.

Because of this configuration, for example, when performing a playback operation, the player presses the playback key of operation keys 7 when operating the unit, but when operating remotely, the user operates a control code such as 1O]11, which is an inconvenience. there were.

(Object of the Invention) In order to solve these drawbacks, the present invention provides M
Equipped with a dial with buttons for ■~m1, ro and l that correspond to F times signals, and by performing the same operations as remote control,
An object of the present invention is to provide a remote control device with improved operability.

(Structure and operation of the invention) The present invention will be explained in detail below with reference to the drawings.

FIG. 21(a) and FIG. 2Q)) show an embodiment of the present invention, in which 1 is a terminal connected to a telephone line, 2 is a hook switch, 3 is a telephone communication network, and 4 is an MF signal receiving circuit. , 5 is a control circuit, 6 is a tape recorder, 7 is an operation key, 8 is an incoming call detection circuit, 9 is a line closing relay, 10 is a contact of the line closing relay 9, 11 is a telephone network ■1 dial, 12 is 2
With the make dial, one of the two make contacts on each key is for the telephone network and the other is the operating key. Also, 1
3 is a local power supply.

Next, taking as an example the case where remote control is used to operate this, first the answering machine is activated from a remote location via a telephone line. At this time, the incoming call detection circuit 8 detects the incoming call signal appearing on the line terminal 1, the control circuit 5 judges the detection output, and operates the line closing relay 9, so that the contact 1o closes the line. do. When the line is closed, line terminal 1. An MF signal receiving circuit 4 is connected to the relay contact 102 via the communication circuit network 3, and monitors the MF multiplied signal from the line. When the MF multiplied signal is received, the control circuit 5
is the tape recorder 6 according to the control code based on the MF double signal.
Perform the following actions. For example, if the control signal for “playback” is m(Do
In this case, the reproducing operation is started when the corresponding MF signal is received.

Next, without going through the telephone line, record the tape recorder 6 on the machine side.
There are two ways to perform this operation.

One method is to use the control circuit 5 to operate the tape recorder 6 by operating the operation key 7 in the same way as in conventional devices of this type, and the other is to use the dial switch, which is a feature of the present invention. This method is carried out by Second
Diagram (a) shows the dial switch.

This figure shows a case where the switch is configured in two-make type, and one side is used as a dial for the telephone and the other is used for the control circuit of this device. The telephone network is operated by local power supply.

The operation method is the same as in FIGS. 2(a) and 2(b); for example, to perform playback, just press mcncs as in the case of remote control. In FIG. 2(a), the press output is directly input to the control circuit 5, and the control circuit 5 operates the tape recorder 6. (in Figure 2), local power supply 1
3. Relay contact 10. Power is supplied to the communication network 3 via the hook switch 2. Therefore, [1[I][11
If you press the dial like 1, the corresponding MF
By transmitting a double signal and receiving its output by the MF signal receiving circuit 4, it is possible to operate in the same manner as in remote operation.

Because of this configuration, the machine can be controlled using the same dial operations as remote control, so (Ixxx
It has the advantage that even long control codes such as x(m) are easy to remember and can also be used to check the operation of the device.

In Figure 2 (a), 12 is a 2-make dial, but the dial contacts only need to be lined up in the same way as the MF dial of the telephone, and using one dial information, the MF double signal and DP double signal can be sent to the telephone line. Either signal is fine.

FIG. 3 shows a specific circuit example when the embodiment shown in FIG. 2(a) is used as an answering machine, in which 1 to 12 are the same functional blocks as in FIG. 2, and 21 is a transmitter. vessel, 22
is a telephone receiver, 23.24 is a signal coupling transformer, 25.3
1 is an analog switch, 26 is a speaker, 27 is a power supply circuit, 28 is a driver, 29 is a monitor amplifier, and 30 is a rotation speed detection circuit. The control circuit 5 is composed of a microcomputer, and the program is stored in a built-in ROM (5a).
, operates using RAM (5b).

First, when there is an incoming call, the incoming call detection circuit 8 consisting of a photocoupler is activated by the incoming call signal appearing on the line terminals 1 to 1', and its output is sent to the input capacitor (IR) of the control circuit 5.
). As a result, the control circuit 5 is connected to the line closing relay 9.
In order to operate, an output is output from the output port, which is transmitted to the driver 28, the relay 9 is operated, and the contact 10 creates a DC loop for the line. The control circuit 5 puts the tape deck 6 into the playback state via the deck drive circuit 6', plays back the response message, and sends the line 1. L.

Send K. When the control circuit 5 detects the end of the voice message by the rotation speed detection circuit 30, it starts the deck drive circuit 6'.
The tape deck 6 is put into a recording state by locating the beginning of the message recording section. The signal from line L2 is transmitted from line terminals 1 and 1' to H82° communication circuit 3.
Handset 22. It is applied to the recording power of the tape deck 6 via the transformer 24. These series of operations are executed by a program using the ROM (5a) and RAM (5b) built into the CPU 5.

Here, when the line is closed, the MF signal receiving circuit 4 connects the line terminals 1 to 1', H82, the communication circuit 3. Handset 22. The line is connected to L2 via the transformer 24, and the line is connected to the line through the transformer 24.
, We are monitoring the MF double signal sent from L2,
When the MF double signal is received, its output is input to the human power port of CPU 5, and CPU 5 determines whether it is a remote control code, and if it is a remote control code, performs the operation (recording, playback, etc.) according to that code. .

To perform operations such as recording and playback without using a telephone line,
The control circuit (CPU) 5 constantly scans the key matrix of one side of the 2-make dial 12 and the operation keys 7 for recording, playback, etc., and monitors which key is pressed. When the playback key is pressed using the operation keys 7, the control circuit (CPU) 5 puts the tape deck 6 into the playback state via the deck drive circuit 6'. When the key of the two-make dial 12, which is a feature of the present invention, is operated, the control circuit (CPU) 5 determines the dial number, and if it is the same as the remote control code, the control circuit (CPU) 5 determines the dial number.
The CPU 5 performs operations such as recording and playback in the same manner as during remote control.

FIG. 4 is a flowchart showing the operation of the embodiment shown in FIG. 2 (al(b)).The contents can be understood from the above explanation, so detailed explanation will be omitted.

(Effects of the Invention) As explained in detail above, according to the present invention, it is possible to operate the device using the same dial operation as during remote control on the device side, so there is no need to make a mistake in operation. It has the advantage that the operation is reliable because the operation method can be performed in the same way as the usual operation method.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an example of a conventional remote control device,
2(al) and FIG. 2(b) are block diagrams showing one embodiment of the present invention, and FIG. 3 is a block diagram including a circuit diagram showing a specific configuration example of the embodiment of the present invention. Fig. 4 is a flowchart showing the operation of the present invention. Patent applicant: Iwasaki Tsushinki Co., Ltd. Nippon Telegraph and Telephone Public Corporation Toshiba Corporation Agent Gakuen Otsuka
Shiro Mizu Tsuneo Figure 1 2 (2) (0)

Claims (2)

[Claims] (1) A line closing means for closing the telephone line in response to an incoming signal from the telephone line, and a remote control M from the telephone line.
An MF signal receiving circuit that receives the F signal, a dial means for generating the same control signal as the output of the MF signal receiving circuit, and an output of the MF signal receiving circuit and an output of the dial means to control the controlled object. a control circuit to control;
and disconnection release means for releasing the connection of the telephone line by the line connection means after the control is completed. (2) A line closing means for closing the telephone line in response to an incoming signal from the telephone line, and a remote control M from the telephone line.
dialing means for generating an MF signal identical to the F signal; an MF signal receiving circuit receiving the remote control MF signal from the telephone line and the MF signal from the dialing means; and an output of the MF signal receiving circuit. A remote control device comprising: a control circuit for controlling a controlled object; and a disconnection means for disconnecting a telephone line by the line disconnection means after the control is completed.