JPS6223011Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a programmable timer device for controlling audio equipment.

2. Description of the Related Art Stereo devices and the like have conventionally been combined with a timer device to record when the user is away from home by energizing the device at a set time. Conventional timer devices simply controlled the power supply to equipment, but with the recent spread of microcomputers, it has become possible to not only control power supply by setting the time, but also to program the operating equipment, allowing free control of audio equipment. Programmable timer devices are emerging that can.

However, it has been found that when it becomes possible to select operating devices by a program in this way, a new problem arises that does not exist with conventional timer devices.

The problem is that the timer device limits the energization time of the controlled device, so if the controlled device requires an operation preparation period or a recovery time after operation, that period cannot be taken. Regarding the operation preparation period, a timer device that is energized earlier than a set time has been proposed in Japanese Patent Laid-Open No. 53-135254.

However, especially in audio equipment, for example, in the case of a record player, the pickup separates from the record after the performance is interrupted (completion), or in the case of a magnetic tape playback device, after the recording/playback is interrupted (completion), the pickup moves away from the magnetic head or magnetic head cylinder. A return operation is required when the tape is separated.
If this is not done, the characteristics of the pickup, record, or head may deteriorate, which is inconvenient. Therefore, these return operations are often performed inside the audio device (controlled device in the case of a timer device), and these use the power of a motor, plunger, or the like. Therefore, for timer devices that control energization of these devices from outside the audio device, simply determining the type of the controlled device or shifting the set time will not allow the return operation of the controlled device to be performed. cannot be utilized.

Therefore, the present invention was devised in view of these points, and is configured so that even when the set time for cutting off power has come, some operating devices are not cut off immediately, but are cut off after the device has completely returned to its initial state. A programmable timer device is provided.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the external appearance of the programmable timer device of the present invention. Reference numeral 1 indicates a display device for displaying the current time or set time, and is composed of an LED or a fluorescent display tube. Reference numeral 2 denotes a time adjustment key operated to correct the current time, and 3 a program start key operated to start a program in the storage means.By operating this key, the program preparation state is set. Reference numeral 4 denotes a program end key which is operated at the end of the program, and by operating this key, the display returns to the time display. Function keys 5, 6, and 7 are used to select the audio equipment to be controlled; 5 is a tuner, 6 is a tape device, and 7 is a record player. 8 and 9 are ON and 9 to select whether to energize or cut off the power to the device selected with function keys 5, 6, and 7.
OFF mode selection key. A to E are program keys for selecting the program address of the storage means, L ₁ to
_L5 is an indicator lamp provided corresponding to each of the program keys A to E, and is driven to indicate an empty address in the storage means or a selected address. 10 is a data input key consisting of numeric keys from 0 to 9, and the operated key input is displayed on the display 1. 11 is number key 1
This is an entry key that transfers the data input by 0 to the storage means.

FIG. 2 is a block diagram showing the internal configuration, where 12 is an input device consisting of the various keys described above, and 13 is a control signal that, in response to input from the input device 12, according to a program in a program memory 14 in which a program is stored in advance. 15 is a data latch in which input data from the numeric key 10 of the input device 12 is temporarily stored, and the data output is input to the clock section 16 via the first gate circuit _G1 , and The signal is guided to the display 1 via the gate circuit G ₂ and the display driver circuit 17, and further connected to the storage means 18 via the fourth gate circuit G ₄ so that input data can be set. The time signal output of the clock section 16 is guided to the display 1 via the third gate circuit G ₃ and the display driver circuit 17 to display the current time, and the set time data of the storage means 18 is input to one input. The signal is led to the other input of the coincidence detection circuit 19 and compared with the set time. Match signal S ₅ from match detection circuit 19
The control circuit 13 is configured to generate a control signal to control the external device 20 upon generation of the signal. The signals g ₁ to g 4 generated from the control circuit 13 are the signals g 1 to _{g 4} described above.
Gate control signals that control the opening and closing of the fourth gate circuits _G1 to _G4 , _S1 , _S2 , _S3 , _S6 , and _S7 are control signals that control each of the above-mentioned components, and these are the control signals that control the opening and closing of the fourth gate circuits G1 to G4. will be generated from time to time according to the program.

FIG. 3 is a diagram showing the configuration of the storage means 18.
Each address consists of an area for storing tuner, tape, and phono function data, and an area for storing ON time and OFF time. , mode selection keys 8 and 9, and number keys 10 are used to input data.

Next, the operation of the present invention having such a configuration will be explained using control of a record player as an example.

First, with the current display 1 displaying 8:00, the time displaying 8 o'clock, and the user listening to a record on the record player, the operation of stopping the record playing at 9 o'clock will be explained.

Therefore, the timer device must be programmed to turn off the record player at 9 o'clock. So first, program start key 3
When you operate gate signal _g3 , the time display on display 1 disappears and the program is ready, and then
Operate the program key A to first select the address of the storage means 18, then operate the function key 7 to select the record player, and then turn it off.
Operate mode key 9, then press number key 10.
When 900 is input and the entry key 11 is operated after confirming that it is displayed on the display 1, the data is transferred from the data latch 15 to the storage means 18 and set in the OFF time area of address A of the storage means 18. Thus, it is programmed in address A of the storage means 18 to cut off power to the record player at 9 o'clock. By operating the end key 4 at the end of the program, the gate signal _g3 is generated again and the display returns to the time display. These operations are sequentially performed by the control circuit 13 according to the program in the program memory 14 in response to key inputs from the input device 12.

Once the program is set in this manner, the control circuit 13 proceeds to the processing steps shown in FIG. 4a. That is, first, it is set in the storage means 18.
The OFF time data is output to the coincidence detection circuit 19, and it is determined whether or not it matches the current time signal from the clock section 16 until they match. When coincidence with the set time is detected at 9 o'clock, a stop signal _S6 is generated from the control circuit 13, so that the record player 20 enters a stop operation and the pickup arm starts returning. During this time, the control circuit 13 is determining whether or not the pick-up arm has returned to the armrest. When it is determined that the pick-up arm has returned due to the generation of the return signal _S8 due to the return of the pick-up arm, the control circuit 13 Subsequently, a power OFF signal S7 is generated to cut off power to the record player. In this way, the power is cut off after the pick-up arm has completely returned to the armrest, so the problem that occurs when the power is cut off is solved.

In the embodiment, the return signal of the pick-up arm was determined based on the return signal from the record player, but since this would increase the number of connection lines between the record player and the timer device, another method is as shown in Fig. 4b. The connection can be simplified by assuming the time required for the pickup arm to return to its normal state and generating the power OFF signal _S7 after a predetermined period of time has elapsed since the stop signal was generated. In addition to the record player, for example, a tape deck or the like can be constructed so that the power supply is cut off after the head board has completely returned to the stop position after generating the stop signal.

As described above, the programmable timer device of the present invention is configured so that when cutting off power to a control device at a set time, the power is cut off after a predetermined period of time has elapsed from generation of a stop signal and the device has returned to its initial state. , which prevents failures when electricity is cut off, and has a great practical effect.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the external appearance of the programmable timer device of the present invention, Figure 2 is a block diagram showing the same configuration, Figure 3 is a diagram showing the configuration of the main parts of Figure 2, and Figure 4 is a diagram showing the configuration of the main parts.
This figure is a flowchart diagram explaining the operation of FIG. 2. 1...Display device, 12...Input device, 13...Control circuit, 14...Program memory, 15...
Data latch, 16...Clock unit, 17...Display driver circuit, 18...Storage means, 19...Coincidence detection circuit, 20...External device.

Claims (1)

[Claims for Utility Model Registration] (1) A storage means for storing a programmed set time and function data for selecting a controlled device, a clock section for outputting time data, and the set time and the time. a coincidence detection circuit that compares and determines data, and generates a stop signal for the controlled equipment in operation based on the output of the coincidence detection circuit and the function data of the storage means, and a predetermined time limit for generating the stop signal. A programmable timer device comprising: a control circuit that generates a energization cutoff signal to a controlled device after a specified time. (2) The control circuit receives a return signal output from the controlled device as a signal indicating that the operation of the controlled device has returned to its initial state after a predetermined period of time after generation of the stop signal, and generates a power cutoff signal. The programmable timer device according to claim 1, characterized in that: (3) The utility model according to claim 1, wherein the control circuit is provided with a counting means for counting the elapse of a predetermined time from the generation of the stop signal until the generation of the energization cutoff signal. Programmable timer device.