JPH0734502Y2 - Timer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to a cassette type video tape recorder having a timer function.

[Outline of device]

The present invention relates to a cassette type video tape recorder, which automatically opens the setting mode by detecting that the operation section for setting the timer function is opened, thereby simplifying the setting operation and improving the operability. It was done like this.

[Conventional technology]

It has been conventional to add a timer function to a cassette type video tape recorder. However, in this type of conventional device, in order to set the timer function, the setting is performed while operating a predetermined setting mode switch, or the setting operation is performed after switching to the setting mode with the setting mode switch, In any case, the operation procedure was complicated, and there was a high possibility that an erroneous operation would occur.

[Problems to be solved by the invention]

The conventional technique has a problem that the operation procedure for setting the timer function is complicated and an erroneous operation is likely to occur.

[Means for solving problems]

The present invention relates to a timer device in a cassette type video tape recorder, which is provided rotatably with respect to a housing and is provided with an operation unit (1) for setting a timer function, and by this operation unit. The display unit (2) for displaying the set contents, the memory (5) for storing the contents set by the operating unit, and the switch (3) for detecting when the operating unit is opened are provided. When the operation part is opened, the timer function setting mode is operated by the signal from the switch to store the setting content of the operation part in the memory, and when the operation part is opened again, the signal from the switch is set. Thus, the contents stored in the memory are read out and displayed on the display unit, and the memory is brought into a state in which the stored contents can be changed. It is a timer device as in (microcomputer (4)).

[Action]

According to this, the setting mode is automatically operated by opening the operation unit for setting the timer function,
The user can directly perform the setting operation, the operation procedure is simple, and the operability can be significantly improved.

〔Example〕

In FIG. 1, the figure is a front view of the main part for setting and displaying the timer function of the cassette type video tape recorder. In FIG. A, the setting operation unit (1) is closed, and in this state, the display unit (2) displays, for example, the current time.

Further, the operation unit (1) is rotatably provided with respect to the housing of the entire apparatus, and is tilted to the front side of the drawing to open the operation unit by a user's arbitrary operation. In FIG. 9B, the push button (1a) to (1g) row for setting operation is exposed with the operation section (1) opened, and at this time, the display section (2) shows the setting contents according to the setting contents. Is displayed. The figure shows a state in which all the display elements of the display unit (2) are turned on.

That is, the push button (1a) of the operation unit (1) is for setting the day of the week, and when this is pressed, the letters of the days “Sun” to “Sat” on the display unit (2) immediately above are arranged in a circle. However, the display is sequentially changed from the display at the current time or the previously set time. Also, the push button (1b) is for setting the recording start time, and the display of "1" to "12" and "AM" and "PM" on the display section (2) directly above is changed sequentially as described above. It In addition, the push button (1c) is for setting the minutes of the recording start time, and "00" on the display section (2) directly above
The display of "59" is changed sequentially. Pushbutton (1d)
(1e) is for setting the hour and minute of the recording end time, and is “1” to “12” and “00” to the display section (2) directly above, respectively.
The display of "59" is changed sequentially. Push button (1f)
Is for channel setting, and by pressing it, the display of "00" to "99" on the display section (2) immediately above is sequentially changed. The push button (1g) is a set for timer recording.
This is for a reset operation, and when this is pressed, the "reserved" display is lit on the display unit (2) when timer recording is performed, and the display is turned off when timer recording is not performed.

Therefore, in this device, by operating the push buttons (1g) and the following buttons (1a) to (1f) with the operation section (1) opened, the day of the week, start time, end time, and channel of timer recording can be set. Then, by operating the push button (1g), the timer recording mode is set and "reserved" is displayed. In timer recording mode, the buttons (1a) to (1f) other than the push button (1g) are disabled, and if you need to change the settings, press the push button (1g) once.
Press to reset the timer recording mode and then perform.

Further, in this device, automatic switching to the setting mode when the operation unit (1) is opened is performed as described below.

That is, FIG. 2 is a cross-sectional view of the main part, and the operation part (1)
A micro switch (3) is provided on the back side of the
When the operation unit (1) shown in FIG. 2 is closed, the contact point of the switch (3) is pressed against a part of the portion where the operation unit (1) is provided, and when the operation unit (1) is opened, the switch is opened. The pressing of (3) is released. With this, the operation unit (1)
Opening and closing of is detected.

Further, FIG. 3 is a circuit block diagram, in which the signal from the operation section (1) is supplied to the microcomputer (4) for timer control, and the signal from this microcomputer (4) is displayed on the display section (2). In addition to being supplied, the detection signal from the above-mentioned micro switch (3) is supplied to the microcomputer (4). When the push buttons (1a) to (1f) are operated with the operation section (1) opened,
The contents are taken into the microcomputer (4) and displayed on the display unit (2). Further, when a signal from the microcomputer (4) is supplied to the memory (5) and the push button (1g) is pressed after the setting is completed, the setting contents are stored in this memory (5) and the timer recording mode is set.

Further, the time signal from the clock circuit (6) is supplied to the microcomputer (4), and the signal of this time is supplied to the display unit (2) to display the current time when the operation unit (1) is closed. At the same time, the signal at this time and the stored contents of the memory (5) are compared, and when they match, a control signal is supplied to the microcomputer (7) for system control.

Further, FIG. 4 shows a functional block diagram. In the figure, signals from push buttons (1a) to (1f) are supplied to counters (41a) to (41f), respectively, and push buttons (1a) to (1f)
The number of times the button is pressed is counted, and this count value is supplied to the memory (5) via the multiplexer (42). Further, the signal from the push button (1g) is supplied to the flip-flop (43) to form a signal which is inverted every time the signal is supplied, and one differential signal of this signal is generated by the multiplexer (4
2) and the memory (5), and the count value at this time is stored in the memory (5). Further memory (5)
And the signal from the clock circuit (6) are supplied to the comparison circuit (44), and when they match, the detection signal and the control signal from the memory (5) are used for the system control microcomputer (7). Is supplied to.

Further, the signal from the switch (3) and the signal from the flip-flop (43) are supplied to the AND circuit (45), the AND output is supplied to the counters (41a) to (41f), and the operation unit (1) is opened. The counters (41a) to (41f) can count only when the timer recording mode is not set. Further, the signal from the multiplexer (5) and the signal from the clock circuit (6) are selected by the changeover switch (46) and supplied to the display unit (2), and at the same time, the switch (3).
The switch (46) is controlled by the signal from, and when the operation unit (1) is opened, the signal from the multiplexer (42) is selected by the switch (46).

Therefore, in this apparatus, when the operation unit (1) is opened, the mode is automatically switched to the setting mode, and the display unit (2) is changed to display the setting contents.

In this way, the timer function is set,
According to the above-mentioned device, when the operation unit (1) is opened, the mode is automatically switched to the setting mode. Therefore, the operation is simple, there is little possibility of erroneous operation, and the operability is significantly improved.

Further, in the above-mentioned device, although the input and output of the memory (5) are shown separately in the functional block diagram for convenience, they are actually constituted by a single data bus. With such a configuration, when the operation unit (1) is opened in the timer recording mode, the contents set in the memory (5) are displayed on the display unit (2), whereby the setting contents in the timer recording mode are displayed. The confirmation can be performed very easily only by opening the operation unit (1).

In the above example, the memory (5) has only one system,
By switching a plurality of memories, it is possible to set a plurality of timer recordings. In that case, the comparison circuit (44) may compare with a plurality of memories.

[Effect of device]

According to the present invention, since the setting mode of the timer function is automatically opened by opening the setting section, the user can directly perform the setting operation, and the operation procedure is simple and It became possible to improve the sex extremely.

[Brief description of drawings]

FIG. 1 is a front view of an essential part of an example of the present invention, and FIGS. 2 to 4 are views for explaining the same. (1) is an operation unit, (2) is a display unit, (3) is a micro switch, and (4) is a microcomputer.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yosie Nobomoto 6-735 Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Corporation (72) Inventor Yoko Funatsu 6-7, Kita-Shinagawa, Shinagawa-ku, Tokyo No. 35 Sony Corporation (72) Inventor Akinari Mori 6-7 Kita-Shinagawa, Shinagawa-ku, Tokyo No. 35 Sony Corporation (72) Inventor Hirofuku Fukuhara 6-7 Kita-Shinagawa, Shinagawa-ku, Tokyo No. 35 in Sony Corporation (56) References JP-A-60-61935 (JP, A) JP-B-56-50475 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A timer device for a cassette-type video tape recorder, comprising an operating section which is rotatably provided with respect to a casing and which sets a timer function which can be opened and closed. A display section for displaying the contents, a memory for storing the contents set by the operation section, and a switch for detecting when the operation section is opened, and a signal from the switch when the operation section is opened. Operates the setting mode of the timer function to store the setting contents of the operation unit in the memory, and when the operation unit is reopened, the contents stored in the memory are read by the signal from the switch. A timer device adapted to display on the display unit and put the memory into a state in which the stored contents can be changed.