JPH0333033Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to an electronic clock that sounds a melody as an alarm sound.

2. Description of the Related Art Among electronic watches that play melodies as time signals, timer sounds, and alarm time sounds, there are electronic watches that allow one melody to be selected from a plurality of melodies. As the number of melodies that can be selected in such electronic watches increases, not only does the selection operation become complicated, but even if the selected melody is selected, the display does not show the selected melody, so it is easy to forget the selected melody. The drawback was that I couldn't understand the melody until it started playing.

This idea was made in view of the above points,
The object of the present invention is to provide an electronic timepiece in which the melody selection operation is easy to perform and the selected melody can be easily recognized in an alarm having a melody selection function.

An embodiment of this invention will be described below with reference to the drawings. In FIG. 1, reference numeral 11 denotes an oscillation circuit that generates a reference frequency signal, and the reference frequency signal output from this oscillation circuit 11 is input to a frequency dividing circuit 12 and a timing signal generation circuit 13. The reference frequency signal inputted to the frequency dividing circuit 12 is frequency-divided into a signal having a predetermined time interval, for example, a period of one second, and is inputted to the timekeeping circuit 14. And this clock circuit 14
The current time is counted at . The above clock circuit 1
The current time counted in step 4 and the alarm time set and stored in the alarm time storage circuit 15 are input to the matching circuit 16 and the display switching section 17, respectively. This display switching section 17 is a flip-flop 19.
It operates by switching between the current time and alarm time according to the signals output from the output terminals Q and .When the output on the above side is "1", the current time from the clock circuit 14 is displayed, and the output on the Q side is "1". 1'', the alarm time from the alarm time storage section 15 and the count contents of a quaternary counter 23, which will be described later, are selected and input to the display section 18. . Flip-flop 1 above
A single pulse is inputted from the one-shot pulse circuit 20 to the trigger terminal T of the output terminal Q by operating the switch _S1 , and the output signal of the output terminal Q is inverted.
Switch _S2 is a switch for selecting an alarm melody, and when this switch _S2 is operated, a single pulse is sent from the one-shot pulse circuit 21 to the AND circuit 2.
2 is input. A signal output from the output terminal Q of the flip-flop 19 is also input to the AND circuit 22 at the same time, and a single pulse signal is output to the quaternary counter 23. This quaternary counter 23
The output signal is sent to the decoder 24 and the display switching unit 1.
7 is input. The output lines "0" to "3" of the decoder 24 are inputted to AND circuits 25 to 28 together with the output signal from the matching circuit 16. Here, a "1" signal is output from the output line of the decoder 24 only on the output line that matches the contents of the quaternary counter 23. Further, the output signals of the AND circuits 25 to 28 are input to the address section 29 in accordance with the timing signal from the timing signal generation circuit 13, and are stored in the music data storage section 30 and address the music data to be sounded at the time of an alarm. Specify. . The music data stored in the music data storage section 30 is read out in accordance with the timing signal from the timing signal generation circuit 13 by address designation in the address section 29, and is input to the musical tone signal generation circuit 31.
The sounding body 32 is driven by the drive signal output from the musical tone signal generating circuit 31.

FIG. 3 is a diagram showing the appearance of an electronic watch,
Below the display section 18, numerical values "0" to "3" and song titles "A" to "D" corresponding to these numerical values are printed, respectively.

The operation of this invention configured as above will be explained. The reference frequency signal outputted from the oscillation circuit 11 is frequency-divided by a frequency dividing circuit 12 into a signal having a period of 1 second, and is inputted to the clock circuit 14 . This clock circuit 14 counts the signals given from the frequency dividing circuit 12 and obtains current time information in "hours", "minutes", and "seconds". Then, the output terminal Q of the flip-flop 19
When the output signal of is "0", the current time outputted from the clock circuit 10 is sent to the display section 18 via the display switching section 17, and as shown in FIG.
Minutes and 20 seconds are displayed. Next, when switch _S1 is operated, a single pulse is output from the one-shot pulse circuit 20 to the flip-flop 19. This inverts the contents of flip-flop 19,
A “1” signal is output from the output terminal Q and supplied to the display switching section 17 and the AND circuit 22. As a result, the alarm time preset in the alarm time storage circuit 15, e.g., "12:30", and the output data of the quaternary counter 23, e.g., "0", are selected by the display switching section 17 and sent to the display section 18. , as shown in FIG. 2b, the song title code "0" is displayed together with the alarm time. When changing the song title, operate switch _S2 in the above display state. When the switch _S2 is operated, a single pulse is output from the one shot pulse circuit 21 to the AND circuit 22. Since the output signal "1" from the output terminal Q of the flip-flop 19 is input to the AND circuit 22, the "1" signal is input to the quaternary counter 2.
3 is output. And this quaternary counter 23
is counted up by "1", and the content of the counter "1" is output to the decoder 24, and is also sent to the display section 18 via the display switching section 17, and the second
As shown in FIG. c, the song title code "1" is displayed. If the switch _S2 is further operated in this state, a single pulse is output from the one-shot pulse circuit 21 to the AND circuit 22. Then, a "1" signal is inputted from this AND circuit 22 to a quaternary counter 23, which is counted up by "1". As a result, the content of the counter becomes "2" and the decoder 24
At the same time, it is sent to the display section 18 via the display switching section 17, and the song title code "2" is displayed as shown in FIG. 2d. In this way, the song title is selected and specified by operating the switch _S2 .
After the above-mentioned song title setting operation, the contents of the flip-flop 19 are inverted by operating the switch _S1 , and the display switching section 17 is switched to return to the normal time display mode shown in FIG. 2a. Therefore, the decoder 24 outputs lines "0" to "3" in response to input counter contents "0" to "3".
Outputs “1” signal from “3” and AND circuit 25
Specify any one of 28 to 28. And clock circuit 1
When the current time counted in 4 reaches the alarm time set in the alarm time memory circuit 15, a "1" signal is output from the coincidence circuit 13 to the AND circuit 2.
5 to 28. For example, if the content of the quaternary counter 23 is "1", a "1" signal is output from the output line "1" of the decoder 24, and the AND circuit 2
6 is specified, the above matching circuit 16
The output is outputted via the AND circuit 26 and sent to the address section 29. This address section 29 outputs the address signal specified by the AND circuit 26 in synchronization with the timing signal from the timing generation circuit 13. And this address section 29
This specifies a predetermined address in the song data storage section 30, that is, in this case, the leading address where the song data corresponding to the song title code "1" is stored. Next, this music data is transferred to the musical tone signal generation circuit 3.
1, and the timing signal generating circuit 13
A musical tone signal is output to the sounding body 32 in accordance with a timing signal from the sound generating body 32 to drive it.

In the above embodiment, numerical values are used to identify the music to be sounded at the alarm time, but alphanumeric characters may also be used as shown in FIG.

As detailed above, according to this invention, not only can the melody selection operation be easily performed in an alarm having a melody selection function, but also the selected melody is displayed with a corresponding numerical value, so which song can be set as the alarm. It is possible to provide an electronic clock that allows you to easily know when it rings.

[Brief explanation of drawings]

Figures 1 to 3 are diagrams showing one embodiment of this invention, in which Figure 1 is an overall circuit configuration diagram, Figure 2a is a diagram showing the current time displayed on the display, and Figure 2b is a diagram showing the current time displayed on the display section.
~d is a diagram showing the alarm time displayed on the display unit and a numerical value identifying the song to be sounded at the time of the alarm;
Figure 3 shows a front view of the electronic wristwatch, and shows the numerical value attached below the display section that identifies the song to be sounded at the time of an alarm and the corresponding song name. Figure 4 shows another implementation of this invention. FIG. 6 is a diagram illustrating alphanumeric characters identifying a song to be sounded during an alarm in an example. 11...Oscillation circuit, 14...Timekeeping circuit, 16...
... Matching circuit, 17 ... Display switching section, 18 ... Display section, 23 ... Quaternary counter, 24 ... Decoder,
31... musical tone signal generation circuit, 32... sounding body.

Claims (1)

[Scope of utility model registration request] A digital display having a counting means for obtaining hour, minute and second information by counting a reference signal, and an hour, minute and second display section for digitally displaying the hour, minute and second information obtained by the counting means. means, an alarm time storage means for storing alarm times of hours and minutes, a musical tone code storage section for storing musical tone codes of a plurality of songs, and one of the plurality of songs stored in the musical tone code storage section. a designated data storage means for storing data for selecting and designating one; and a designated data storage means for switching and displaying the hour and minute alarm times stored in the alarm time means on the hour and minute display portions of the digital display means, and for displaying the designated data. display switching means for switching and displaying a selected song in numerical values or symbols on the second display section of the digital display means based on the specified data stored in the storage means; music change switch means that can change specified data in the specified data storage means only when numerical values or symbols are displayed on the digital display means; and hour and minute information obtained by the counter counting means are stored in the alarm time storage. An electronic timepiece comprising a sounding means which reads a musical tone code of a song specified by the specified data storage means from the musical tone code storage section and makes a sound when the hour and minute information stored in the means match.