JPS60127485A - Time signal clock - Google Patents

Abstract

PURPOSE:To enable accurate time signal by dispensing with a contact point of an accurate time to simplify constitution and to enhance reliability, by detecting the output from a contact point for detecting a time signal number, when said output is changed over, to start time signal. CONSTITUTION:A contact piece A is elastically contacted with two lines of plural electrodes ES1-ES4 and EC1-EC3 formed on a base plate to bring said electrodes to a continuity state while a moving apparatus connects the contact piece A to the rotation of a clock to rotate the same and is slid so that the electrode brought to a continuity state is changed over at a just hour. A pulse generating circuit PG1 supplies pulses P1-P3 shifted in a phase to the electrodes EC1-EC3 and an output circuit EN1 receives outputs from the electrodes ES1- ES4 to output a signal for showing the display position of the clock. A time signal apparatus N starts the just hour indication in the time signal number by a comparison circuit CM generating a time signal starting signal when the electrode brought to a continuity state by the contact piece A is changed over and the output of the circuit EN1.

Description

[Detailed description of the invention] The present invention relates to a time signal clock.

For example, in a mechanical analog display time signal clock,
A 4-bit pattern electrode representing the @ code from 1 to 12 o'clock is formed on a disc rotating in conjunction with the hour hand, and a 4-bit contact piece is slid on this pattern electrode to detect the displayed time. According to this VC, the pattern electrode is formed so that the code output at the hour can be obtained a little before the hour, taking into account the chattering of the contact piece. A contact is provided which closes every hour on the hour in conjunction with the minute hand, and this contact No. 1g is used as a time signal.

In this way, the contact for setting the time signal and the contact for the hour are required, which increases the number of contacts and has disadvantages such as a complicated mechanism and poor assembly.

Therefore, the present invention is not affected by the chattering of the contact for setting the time signal, and therefore the output from the contact is I;
I] Detecting this when the hour change occurs and starting the time signal.

Hereinafter, one embodiment of the present invention H1y+, 1 will be explained based on the drawings. In Fig. 1, a concentric circle [in two rows']
1ili number 1 whisper E S+ ~Ti El 4, E
Ot~E O3 is formed. 8 is a contact piece that rotates in conjunction with the hour hand (not shown) VC, and is fixed to the hour hand shaft BK. The contact piece A1 slides on the outer electrode,
Slide on the inner electrode of contact a2. By this sliding vc, oil is introduced between the four types of N orange E S t~KEY on the outside and the six types of t poles E'O+ ~EO3 on the inside, and the combination is at the 1~12 o'clock position. By identifying this combination, the display position of the hour hand can be detected. Each electrode must be formed such that the skin of contact piece A contacts the end of the electrode at exactly the hour.

Figure 2 shows the circuit configuration for detecting the contact of C and reporting the time. Terminal P1~
Three systems of pulses with phase shifts are generated from P3, and are sent to lead terminals c and 11 via buffers F and ~Fa11, respectively.
-03K is supplied. The lead terminals 01 to C3 are connected to the terminals EC1 to EOsK shown in FIG. 1, respectively.

In addition, the lead terminals 81 to s4 each have an electrode ES@-
The outputs from these are supplied to the output circuit ENIK via buffers F4 to F7.

The output circuit KN generates a 4-bit binary code output by processing the pulses from the pulse generating circuit PG and the pulses from the buffers F4 to F7, not from an encoder or the like.

This specific configuration will be described later. Ll, L.

is a latch circuit, CM is a comparison circuit, and latch circuit LLIL
When the contents of 2 do not match, the output becomes 7'1"'. M is an O detection circuit, and when the output of the latch circuit Ll is U, the output becomes 0". N is a time signal circuit that generates a time signal a number of times according to the contents of the latch circuit L2. d is a delay circuit that slightly delays the output of the gate circuit G.

FIG. 5 shows an example of the output port 1 EN in FIG.
A 4-bit code edge is generated from the outputs of G14 to G17.

Next, the operation will be explained.

The contact piece A in FIG. 1 begins to rotate in conjunction with the illustrated state force/ra hour hand, and at exactly 2 o'clock, the contact points al+a2 are connected to the electrodes ES2, ES2, and ES2, respectively. The end Vc of the EOI contacts. Therefore, the second
The terminals S2+C1 in the figure are electrically connected by the contact AvL-. Therefore, when a pulse is generated from the terminal P1 of the pulse generating circuit PGI, it is supplied to the output circuit ENIK via the buffers Ft and Fse, and the outputs of the buffers F4 to F7 at this time are each (1011). Sword 1c terminal P2
.

Even if the P3 pulse is generated, (-Jl, is not transmitted to the buffers F4 to F7VC, and each output fi Ll 1
It is held at 1+. The pulse vCL from the terminal P generates the following output from the output circuit KN.

The pulses from the terminal P1) are sent to the gate circuit G+o in FIG.
-G+3vc and is also supplied to gate circuits G3, G7, and Gll via buffer F5.

Therefore, while the output of the gate circuit G11 is "1"vc9, the outputs of the other gate circuits are held at It01+. Therefore, the 2 o'clock code output (0100) is generated from the gate circuits 014 to G17. tfc terminal p2.

Kfi when pulse is generated from P3, buffers F4 to F7
Since all the outputs of are kept at “1”, the gate circuit is 0.
All outputs from 2 to G+3 are 0#, therefore gate circuit 0
All outputs from 14 to G1 are also held at '0'.

In this way, each time a pulse is generated from the terminals ``+P2 and P3, the output circuit EN outputs (01oo) and (01oo), respectively.
oooo) and (oooo) are generated and supplied to the latch circuit. This latch circuit L1 lff- connects terminals P4 of pulse generating circuit PG1 to terminals p, , P2, P
During the generation of pulses from 3, narrow pulses are supplied. Therefore terminals P1 + P2, P37)
The output of the output circuit Emt is latched by the latch circuit LtK every time a pulse from ' is generated. Latch circuit, [2
When the o'clock code output (0100) is latched, the comparator circuit CAMVC outputs the latch circuit L2 (the code output of 1 o'clock from the previous hour is currently stored) (1
000), and since the two do not match, the output is '1'
K becomes. - When the output of the full output circuit M becomes 1'', the gate circuit 01 becomes 1; A pulse is supplied, which passes through the gate circuit o1.This pulse causes the latch circuit L to
When the 2 o'clock code output of 1 is latched by the latch circuit L2K, the time signal circuit N operates with a slight delay of %)K, and the hour is announced.

Note that terminal P2. When the pulse from P3 is generated, (0000) is notched in the latch circuit T=+. If (0000) is notched, VC is 0.
v, the output of the output circuit (A becomes 0'' and the gate circuit G1 closes, so it is not latched by the latch circuit L2.

Also, once the code output from the latch circuit L2VC2 is latched, the code output from the latch circuit LlK21 is latched, and since they match, the output from the comparison circuit CM becomes ``u'' l/(: , no pulse is generated from the gate circuit Gl. That is, once the 2 o'clock code output is latched by the latch circuit L2, it does not change until the 5 o'clock code output is latched by the launch circuit Ll.

Chattering occurs between the first ν10ρ piece A and the Tλ polar opening, but this is due to the bad influence caused by vC.
When chattering occurs when the terminal gradually comes into contact with EC, the terminals Sz and C1 in FIG. 2 become conductive or non-conductive. In the conductive state, the terminal P of the pulse generation circuit PG1
If a pulse is generated from the fourth pulse, the 2 o'clock code 1 becomes the launch circuit and is latched, causing no problem. In the broken non-conducting state, (0000> is latched by the latch circuit, so no malfunction occurs in this case as well.

As mentioned above, 1. According to the rotation of contact piece A, the outer 1J
L*K S t -E S 4 and inner 1 electrode Ec
1 to BC3 is established, and the contacts of the matrix shown in the second diagram are sequentially closed. As a result, the output circuit EN,
The code output for each hour is sequentially generated from the code output, and based on this, the time signal circuit N performs the time signal a number of times corresponding to the displayed time.

In Figure 4, six types of electrodes ES5 to ES10 are formed on the outside, and two types of electrodes EC4 and EO6 are formed on the inside, and similar to the above, different combinations are formed at the 1 to 12 o'clock positions. Conductivity is established between the electrodes, and each time is detected. The switch also turned on exactly on the hour, and contact a1
are formed so as to contact the ends of the electrodes BS5 to gs and o.

In this case, two systems of phase-shifted pulses are generated from the pulse generation circuit PG2, and the buffer FR
, F, to the lead terminal C4.

Lead terminal 04 for supplying OsK and Os IQ are connected to electrode E Ca + E':' 5, respectively. Further, the electrodes ES5 to ES, O are connected to lead terminals 85 to 810, respectively, and each terminal 85 + S
lo is connected to the input 1 of the buffer F+o-I''ts, respectively.The output of the buffer FI0=F15 is supplied to the output circuit EN2, and the other configurations are the same as in 81 above.

The operation is similar to the above example, and the intersection points of the matrix made up of each electrode are sequentially closed by the contact piece A, and the buffer 7F+o-
A code output representing each hour is generated from the output circuit E N 2 by the pulse from the pulse generation circuit PG2 from the Fts, and the time is reported based on this.

Note that in the above practical example, the electric current 'rf1. Although the contact piece is completely fixed (the contact piece is rotated, it is also possible to fix the contact piece and rotate the electrode side).

As described above, according to the present invention, the contact piece is caused to relatively slide on the plurality of electrodes in two rows in conjunction with the rotation of the time opening, and the contact piece is brought into contact with the 'gL pole just on the hour; Since the phase-shifted pulses supplied to each city and pole of one column are generated from which electrode of the other column, the time is detected and signaled by L pulses, so that the hour can be detected. It is possible to use only two contacts, which simplifies the configuration, improves reliability, and allows accurate time reporting.

[Brief explanation of drawings]

Fig. 1 is a front view showing an actual drawing of the present invention [1], Fig. 2 is a logic circuit diagram showing an example of the circuit configuration, and Fig. 3 is a logic circuit diagram showing a part of Fig. 2 in detail. Circuit diagram, FIG. 4 is a front view showing an embodiment of the e-pond, and FIG. ) GSI-ES4, EOI-WCs...electrode A.
...Connection B...Movement device PGI...Pulse generation circuit) 1111...Output circuit LL, L2...Latch circuit CM...Comparison circuit]...Machine section circuit KS6'-EE1o , EC4+ Bs...-' to the pole PG2...Pulse generation circuit 1 tube; N,...Output circuit or above Applicant Seikosha Co., Ltd. Agent Patent Attorney Mogami Figure 2 Figure 3 Figure 4 Figure 10 Figure 5

Claims (1)

[Claims] A plurality of electrodes in two rows formed on a substrate, a contact piece that connects the electrodes in each row and conducts between the elastically contacted electrodes, and any force between this contact piece L and the above substrate, and one of them is used to rotate the hour hand. The electrode connected to and rotated by the contact piece conducts on the hour VC.
a pulse generating circuit that sequentially supplies phase-shifted pulses to each electrode in the -10,000 column, and receives the output from each electrode in the other column and the above-mentioned pulses; a first output circuit that generates an output representing the display position of the hour hand; a second small power circuit that generates an alarm time start signal when the electrode conductive behind the contact piece crosses; 71) A time-reporting clock comprising: a time-reporting device which starts time-reporting on the hour by inputting the number of times to be reported by an output circuit power of 1 and an output VC of .