JPS6161744B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a remote listening answering machine that is capable of playing back a receiving tape at high speed. When the owner of a conventional answering machine equipped with a remote listening function remotely controls it from a remote location,
First, the receiving tape is rewound at a high speed, and from a certain point it is played back. At that time, it is played back at the normal speed (4.75 cm) for cassette tapes, and the owner can listen to it directly from the receiver. It was. However, as this type of device becomes widespread and its owner remotely controls the device from a remote location or even from a foreign country, call charges become an important issue. For this reason, a device for condensing information and transmitting it at high speed has already been developed by the same applicant in Japanese Patent Application No. 55-130884 (Japanese Unexamined Patent Publication No.
57-54458). If you judge that the remote control playback of the receiving tape will not take too long, you can listen to it directly at normal speed, but if you think that the above playback will take a considerable amount of time, you can increase the speed. The owner can play the tape at high speed and store it on another tape recorder that he owns, and then listen to it later at a leisurely pace, depending on the situation at the time. The selection is made based on the type of remote control signal to be sent during the alarm sound generated from the answering machine when the receiving tape is rewound by the remote control signal. It is. Furthermore, an answering machine with an improved means for selecting between high-speed and low-speed playback was filed by the same applicant in a patent application.
This method is proposed in No. 55-132724 (Japanese Unexamined Patent Publication No. 57-57063). This system plays the receiving recording at high speed when a remote control is performed while sending a response message, and at low speed when the receiving recording is remotely controlled while the receiving recording is in the recording state. The purpose of the present invention is to reverse that operation, so that when performing remote control while sending a response message, the receiving recording medium is returned and then played back at low speed, so that the owner can directly play it. make it possible to hear,
When the receiving recording medium is remotely controlled to be in a recording state after the response message is finished, the receiving recording medium is once returned and then reproduced at high speed. Next, the specific structure and operation of the embodiment will be explained. In the figure, terminals L1 and L2 are telephone lines, LT is a line transformer, T-1 is an endless response tape with response terms engraved on it, and a conductor foil P-1 is attached to the starting point (end point). This P-
The electrodes that detect 1 are P-2 and P-3 shown in the figure. In addition, a hole is provided in the middle part of T-1, and the electrodes for detecting this hole are SP-1,
It is CP-1. In addition to these detection means, there are other known means, and it goes without saying that these may be employed. Also, M1 is the response tape T
-1, RPH-1 and
EH-1 is the recording head and erase head for T-1. In addition, T-2 is a receiving tape as a receiving recording medium for recording receiving messages, and RPH-2 and EH-2 are this T-2
This is a recording/playback head and an erasing head. Also M2
is the driving motor of T-2 above. Also AMP
-1 is an amplifier circuit for the above response tape T-1;
AMP-2 is the amplifier circuit for T-2 above, AMP-3
is an amplifier circuit for remote control signals. Also Y-
1, Y-2, Y-5, and Y-R are relays, and their contacts are illustrated as y _1-1 , for example. Further, 1 is a ringing amplifier for detecting a ringing signal, 2 is a tape counter reset circuit for resetting the tape counter in 3 to "000" during remote control, which will be described later, and 3 is a tape counter for the reception. It is used to detect the remote control point (the position on T-2 where the remote control is applied) when using the remote control, which will be described later. 4 is a motor speed control circuit for the motor M2, and the low speed terminal is set to H when power is supplied to the power terminal.
When the level reaches the output terminal, there is a low voltage, e.g.
1.5V DC is output to drive the motor M2 at low speed, that is, the receiving tape at low speed, and when the high speed terminal becomes H level, a high voltage is applied to the output terminal.
For example, a direct current of 4V is output to drive the motor M2 at four times the slow speed, and this is a well-known type composed of transistors and Zener diodes. In addition, 5 is the receiving tape T-2 when rewinding with remote control, which will be described later.
The starting point detection circuit outputs an H level signal from its output terminal Q when it detects the starting point. Also 7
is a differential circuit. Next, IC-1 and IC-3 are RS type flip-flops, IC-2 is an AND gate,
Further, IC-4 and IC-5 are analog switches, and 1 and 2 are electrically connected while the control terminal 3 is at H level. Further, BAT is a power supply, SW1 is a power switch, and F is a filter circuit for detecting a remote control signal. Next, we will discuss specific operations when calls are received from an unspecified number of third parties. When a call signal arrives at terminals L1 and L2, ringing amplifier 1 is detected via capacitor C1 and line transformer LT, transistor Q1 is turned on, and load relay Y-1 is energized. At this point, a loop is formed via contact y _1-1 of relay Y-1 and line transformer LT, and the ringing signal stops ringing. At the same time, power is supplied to each circuit through contacts _y1-2 . That is,
y _1-2 , yr- ₂ , y _2-2 , y _5-1 (If T-1 is at the regular starting point, conductor foil P-1, electrode CP-2, CP
Since relay Y-5 is energized via -3, contact _y5-1 is tilted toward the black circle side) and motor M
1 is energized and drives the response tape T-1 in the direction of the arrow. T-1 is driven and conductor foil P-1 becomes an electrode.
When passing through CP-2 and CP-3, relay Y-5 is de-energized, contact _y5-1 falls to the white circle side as shown by the solid line, and motor M1 continues until T-1 (described below) completes one rotation. , is driven through the contact _y5-1 above. When the relay Y-5 is de-energized, the bias applied via the power supply, the relay Y-5, and the resistors R2 and R1 causes the relay Y-1 to be energized as described above.
to keep it in working condition. Now, as mentioned above, when the response tape T-1 starts running, the response words pre-recorded on T-1 are reproduced by the recording/playback head RPH-1, amplified by the amplifier circuit AMP-1, and line transformer Sent to the line via LT. Next, when the reproduction of the response term is completed, the hole provided in T-1 is connected to the electrodes SP-1 and CP-1 as described above.
When conductive, relay Y-2 is energized, relay Y-2 self-holds through contact y _2-1 , and power is supplied to motor speed control circuit 4 through contact y _2-2 . Here, the start point detection circuit 5 is connected so that it does not operate except when using a remote control, which will be described later, so its output terminal Q
is the L level, and therefore the analog switch IC
The control terminals 3 of -4 and IC-5 are at L level, IC-4 and IC-5 are off, and therefore the low speed terminal of the motor speed control circuit 4 is at H level due to pull-up resistor R6. Since the high-speed terminal is at the L level due to the pull-down resistor R7, as described above, a low-level DC voltage, for example 1.5V, is output to the output terminal, and the motor M2 is driven at a low speed (it may be a standard speed). Drive with. Here, the receiving tape T-2 is driven at low speed, and the receiving message from the third party input via the line transformer LT is sent to the amplifier circuit AMP-.
2. T-2 above via recording/playback head RPH-2
to record. This recording is the response tape T-
1 continues until it completes one cycle. That is, when T-1 goes around once and the conductor foil P-1 short-circuits the electrodes CP-2 and CP-3, the bias circuit of the resistors R2 and R1 mentioned above is grounded, so the transistor Q1 is turned off and the load relay Y- 1 will be restored. At this point, the loop is opened by the contact _y1-1 , and the power supply to the motor speed control circuit 4 , that is, the motor M2 is canceled by the contact _y1-2 , and the running of the receiving tape T-2 is stopped. At the same time, contact _y5-1 falls to the black circle side, so the power supply to motor M1 is canceled and the response tape T-1 is
The conductor foil P-1 stops running while it is in contact with the electrodes CP-2 and CP-3. The apparatus has now returned to a complete standby state, and by repeating the above-described operations, the received messages are stored on the receiving tape T-2. Next, remote control operation by the owner from a remote location will be explained. Therefore, in this device, when a remote control signal is sent while the response tape T-1 is being played, the reception tape T-2 is played back at a low speed that allows the recorded contents to be audible to the ear, and the playback of the response term is completed, and the above-mentioned If a remote control signal is sent out while the receiving tape T-2 is running in the recording state, the receiving tape T-2 is played back at a high speed that is, for example, four times the slow speed.
First, the case of reproducing T-2 at high speed will be described. For this purpose, the apparatus is called from a remote location, and after the reproduction of the response tape T-1 is completed and the apparatus is switched to the recording state, a specific remote control signal is sent out. This remote control signal is sent to the intrans LT, amplifier circuit AMP−
3. Flip-flop via filter circuit F
IC-1 is set, relay Y-R is maintained in the operating state by the output of IC-1, and at the same time, the tape counter reset circuit 2 resets the tape counter.
3 to ``000'', and the tape counter 3 stores the remote control point, that is, the position of the receiving tape T-2 where the remote control started. At the same time, the remote control holding circuit 6 is set by the output of IC-1, and the output holds relay Y-1 via resistor R3. This is because, as mentioned above, when the response tape T-1 goes around once, the bias applied via the resistor R2 is cut off, so that even if this happens, there will be no problem in listening to the remote control. Also, the AND gate IC-
Input terminal 2 of IC-2 is L, input terminal 1 of IC-2 is T
During recording of −2, contact y _2-1 is L, so IC−
Output 3 of 2 becomes L and flip-flop IC-3
is set, so that is held at L and its Q is held at H. This will be discussed later. Now, as mentioned above, the flip-flop IC is activated by the remote control signal.
-1 is set, the receiving tape T-2 is rewound by a well-known rewinding circuit, not shown.
After confirming that the remote control has been damaged by the rewinding sound of T-2, turn off the remote control signal. The rotary switch R-SW is linked to the reel stand (not shown) of T-2, and when the reel is rewound to the start point, the rotary switch R-SW stops, so the output Q of the start point detection circuit 5 is
is held from L to H, and this is the analog switch.
Control terminal 3 of IC-4 and IC-5 is set to H, IC-4 and IC-5 are turned on, and this IC-4 and IC-5 are turned on.
4. The (L) of IC-3 is connected to the low speed terminal of the motor speed control circuit 4 via IC-5, and the Q (H) of IC-3 is connected to the low speed terminal of the motor speed control circuit 4.
Since is connected to the high speed terminal, the DC voltage of the output terminal becomes high and the DC voltage of the output terminal becomes high and motor M2
is driven at high speed, and the receiving tape T-2 is driven at low speed.
Play twice. Therefore, the remote owner can simply connect a 4x speed tape recorder to the earpiece and record in 1/4 the time, then play it back later at a slower speed. Now, T
-2, the tape counter 3 rotates in the opposite direction.
During playback, it rotates forward, and when it reaches the remote control point mentioned above, it becomes "000". At this time, an H level signal is outputted to the tape counter 3 through a built-in contact, and the remote control holding circuit 6 is reset. As a result, the bias applied through resistors R3 and R1 is cut off, turning off transistor Q1 and relay Y-1, opening the loop through contact y _1-1 , and restored contacts y _1-2 and yr. - Motor speed control circuit by ₂
Since the power supply to the receiving tape T- 2 is cut off, the motor M2 is stopped and the running of the receiving tape T-2 is stopped. contact at the same time
When power is removed by y _1-2 , the flip-flop
IC-1, IC-3, and start point detection circuit 5 are reset, and the device is restored to a complete standby state. Next, a case where remote control playback is performed at low speed will be described. As mentioned above, in this case, the device sends out the remote control signal while sending out the response term. As mentioned above, in the response term playback state, relay Y
-2 is in the restored state, and its contact _y2-1 has fallen to the position shown in the figure (white circle side). Therefore, even if you send a remote control signal in this state, the AND gate will not work.
Since the input terminal 1 of IC-2 is set to H by the pull-up resistor R4, even if the input terminal 2 of IC-2 momentarily becomes L due to the pulse from the differentiating circuit 7 due to the remote control signal, the IC The output terminal 3 of -2 remains at H, and therefore flip-flop IC-3 cannot be set unlike in the case of high-speed playback described above. Therefore, when analog switches IC-4 and IC-5 are turned on after detecting the start point of T-2 by rewinding as described above, the low speed terminal of the motor speed control circuit 4 is H and the high speed terminal is L. Therefore, the motors M2 and T-2 are driven at low speed, and the received message recorded on T-2 can be heard straight through the telephone set. Furthermore, when the remote control point is reached, the device returns to the standby state as described above. Furthermore, if you turn on the remote control while T-2 is recording, one of the contacts of relay Y-R will be activated.
The above-mentioned recording relay Y-2 is de-energized by yr- ₁ , and the contact _y2-1 returns to the position shown in the figure and pulls up the input terminal 1 of the AND gate IC-2 through the pull-up resistor R4.
However, since flip-flop IC-3 has already been set, it will not have any effect, so there is no need to worry about malfunction. As described above, compared to the invention described in Japanese Unexamined Patent Application Publication No. 57-54458, which selects whether to play at high speed or low speed at the time when the receiving tape is rewound, the present invention provides response If you turn on the remote control while a message is being sent, the receiving recording can be played back at low speed, but if you turn on the remote control while a receiving message is being recorded, the receiving recording will be played back at high speed. This allows you to select low or high speed when you first turn on the remote control, depending on your preference.
This invention has different effects from the invention described in No. 57-54458.

[Brief explanation of the drawing]

The figure is a circuit diagram of a main part of an embodiment of the present application. L1 and L2 are office lines, LT is line transformer, T
-1 is the response tape, T-2 is the reception tape, Y
-1, Y-2, Y-5, Y-R are relays, 1 is a ringing amplifier, 3 is a tape counter, 4 is a motor speed control circuit, 5 is a starting point detection circuit, F is a filter circuit, M1, M2 are motor.

Claims (1)

[Claims] 1.An answering machine with remote listening equipment that automatically answers incoming calls, records the caller's message on a receiving recording device, and allows the owner to listen to it by remote control from a remote location. If the owner sends a remote control signal while the response message is being sent, the receiving recording medium is returned to high speed and when it is to be played back, the receiving recording medium is driven at the normal playback speed. If the owner sends out a remote control signal after the receiving recording medium has been driven in the recording state after sending the response message, the receiving recording medium may be operated at high speed once. This remote listening answering machine is capable of high-speed playback and is characterized in that after the data is returned to normal speed, it is played back at a playback speed several times the normal speed and sent to the owner.