GB1572562A - Creación de Inventos y Patentes con Inteligencia Artificial

GB1572562A – Multi-function temepiece
– Google Patents

GB1572562A – Multi-function temepiece
– Google Patents
Multi-function temepiece

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Publication number
GB1572562A

GB1572562A
GB28279/77A
GB2827977A
GB1572562A
GB 1572562 A
GB1572562 A
GB 1572562A
GB 28279/77 A
GB28279/77 A
GB 28279/77A
GB 2827977 A
GB2827977 A
GB 2827977A
GB 1572562 A
GB1572562 A
GB 1572562A
Authority
GB
United Kingdom
Prior art keywords
function
circuit
time
display section
display
Prior art date
1976-07-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Application number
GB28279/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Citizen Watch Co Ltd

Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1976-07-06
Filing date
1977-07-06
Publication date
1980-07-30

1977-07-06
Application filed by Citizen Watch Co Ltd
filed
Critical
Citizen Watch Co Ltd

1980-07-30
Publication of GB1572562A
publication
Critical
patent/GB1572562A/en

Status
Expired
legal-status
Critical
Current

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Classifications

G—PHYSICS

G04—HOROLOGY

G04G—ELECTRONIC TIME-PIECES

G04G13/00—Producing acoustic time signals

G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks

G—PHYSICS

G04—HOROLOGY

G04G—ELECTRONIC TIME-PIECES

G04G13/00—Producing acoustic time signals

G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks

G04G13/026—Producing acoustic time signals at preselected times, e.g. alarm clocks acting at a number of different times

G—PHYSICS

G04—HOROLOGY

G04G—ELECTRONIC TIME-PIECES

G04G5/00—Setting, i.e. correcting or changing, the time-indication

G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently

G04G5/043—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently using commutating devices for selecting the value, e.g. hours, minutes, seconds, to be corrected

G04G5/045—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently using commutating devices for selecting the value, e.g. hours, minutes, seconds, to be corrected using a sequential electronic commutator

G—PHYSICS

G04—HOROLOGY

G04G—ELECTRONIC TIME-PIECES

G04G9/00—Visual time or date indication means

G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques

G04G9/087—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques provided with means for displaying at will a time indication or a date or a part thereof

Description

PATENT SPECIFICATION
( 11) ( 21) Application No 28279177 ( 22) Filed 6 July 1977 ( 31) Convention Application No.
51/080 154 ( 32) Filed 6 July 1976 in ( 33) Japan (JP) ( 44) Complete Specification published 30 Tally 1 QRO ( 51) INT CL 3 G 04 G 1/00 // GO 4 F 10/00 G 04 G 13/02 ( 52) Index at acceptance G 3 T 101 401 402 403 404 405 407 604 605-608 609 611 AAA KC RA 51 52 ( 54) A MULTI-FUNCTION TIMEPIECE ( 71) We, CITIZEN WATCH COMPANY LIMITED, a corporation organized under the laws of Japan, of No 9-18, 1-chome, Nishishinjuku, Shinjuku-ku, Tokyo, Japan, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particulatily described in and by the following statement:-
This invention relates to a multi-function timepiece equipped with an alarm function as well as other functions.
In digital electronic timepieces comprising C-MOS circuits and electro-optical display means and which adopt a quartz controlled oscillator as a time standard, the C-MOS function circuits are easy to construct and the display means may be used to display a number of functions.
For this reason, large numbers of so-called function timepieces have been proposed and put into production One example of such is an electronic timepiece having an alarm, i e, a timepiece equipped with a sound generator and alarm memory circuit.
According to the present invention, there is provided a multi-function electronic timepiece having an external control member, timekeeping circuit means including an oscillator, a frequency divider connected to said oscillator and a timekeeping circuit connected to said frequency divider to provide time information signals, display means for displaying time information in response to said time information signals, function circuit means to provide a plurality of function modes at least one of which is other than timekeeping function, and a function selection circuit comprising circuit means controlled by said external control member to provide output signals in a predetermined sequence to select said plurality of functions modes in said sequence, said circuit means including means for producing an output signal in said sequence to select a time correction mode in which a time correction can be performed upon said timekeeping circuit means 50 In the accompanying drawings, in which: Fig 1 is a schematic view of an exemplary multi-function timepiece in accordance with the present invention; 55 Fig 2 is a block diagram showing the wiring of the timepiece shown in Fig 1; and Fig 3 is a detailed circuitry for the function selector circuit shown in Fig 2 60 Fig 1 shows the external appearance of a multi-function timepiece in which reference numeral 10 denotes the timepiece, and reference numeral 12 designates a digital display section which includes 65 a 1st display section 13, 2nd display section 14 and 3rd display section 15 all of which are constituted by numerical display patterns, a 4th display section 16 constituted by a pattern of 10 marks, a function dis 70 play section 17 constituted by a pattern of 11 marks, a seconds colon 18, an AMPM display section 19, and an alarm mark A series of numbers from 0 to 9 are printed alongside the first seven of these 75 marks beginning from the left-hand side of the timepiece Further, initial marks which indicate the type of function displayed by the function display section 17 are printed on a partitioning plate 21 80 alongside the marks which constitute display section 17 Thus, beginning from the left-hand side of the timepiece, the respecmarks are provided with initials indicative of time-keeping (TK), calendar (CA), 1st 85 alarm (Al), 2nd alarm (A 2), 3rd alarm (A 3), 4th alarm (A 4), chronograph (CR), timer (TM), counter (CN), world-time (WT), and time change (TC), respectively.
The timepiece is in the state of operation n 1 572 562 1 572 562 as indicated by the illuminated mark Accordingly, Fig 1 shows that the timepiece is in the time-keeping mode since the mark corresponding to TK is illuminated.
The 4th display section 16 normally indicates the day of the week by means of the first seven marks and corresponding characters; however, when the chronograph mode is selected, the ten marks indicate time in units of 1/10 second each.
Reference numeral 22 denotes a function selection button for selecting the available functions, reference numeral 23 designates a digit selection button for selecting the display sections, reference numeral 24 denotes a correction button for correcting or setting the content displayed in the display section selected by digit selection button 23, and reference numeral 25 designates a function control button for controlling each of the functions selected by function selection button 22.
Fig 2 is a block diagram of a detailed electric circuitry for the timepiece of Fig.
1 Reference numeral 30 denotes a quartz controlled oscillator, 31 an oscillator circuit, 32 a frequency divider, 33 a timekeeping circuit comprising hours, minutes and seconds counter, and 34 a calendar circuit comprising months, date and days of the week counter These circuits define a widely known time-keeping device.
Reference numeral 35 denotes a sound generator which comprises a sound selection circuit 36, sound driver circuit 37, and a buzzer 38 Reference numeral 39 designates an alarm memory device which comprises a 1st memory 40, 2nd memory 41, 3rd memory 42 and 4th memory 43.
Each of these memories can be set for one-time memory function or periodic memory function.
Reference numeral 44 denotes a coincidence detection circuit which, by producing set in the memories of the alarm memory a coincidence signal whenever the time is device 39 is in coincidence with the time kept by the time-keeping circuit 3, drives sound generator 35 thereby to generate an alarm.
Reference numeral 45 denotes function circuit means which, in the present embodiment, makes it possible to switch between the chronograph, timer, counter and world-time functions.
Reference numeral 46 designates a display switching circuit for switching the contents of time-keeping circuit 33, calendar circuit 34, alarm memory circuit 39 and function circuit means 45 to digital display section 12 in order to permit the contents to be displayed.
Reference numeral 47 denotes a function selection circuit which, in response to an operation signal supplied by a function selection switch 22 ‘ controlled by the function selection button 22, selectively designates in a successive manner the function terminals TK through TC cor 70 responding to function display section 17.
After the elapse of a given period of time following the designation of any of the functions CA, Al, A 2, A 3, A 4, WT and TC, the TK function is restored as 75 shown by the dotted line.
Reference numeral 48 denotes a digit selection circuit which, in response to an operation signal supplied by a digit selecton switch 23 ‘ controlled by the digit selec 80 tion button 23, selectively designates in a successive manner the digit selection terminals DI through D 4 corresponding to each display section of digital display section 12 After the elapse of a 85 given period of time following designation of any of the selection positions, the normal display position ND is restored as shown by the dotted line When the normal display electrode ND is designated, 90 all of the display sections which constitute digital display section 12 are in a normal state of display, however, when terminal Dl is designated, 1st display section 13 is placed in a state which is capable of 95 correction as will be indicated when the display section begins to flash Similarly, 2nd display section 14, 3rd display section 15, and 4th display section 16 may be placed in states awaiting correction by 100 designating the respective terminals D 2, D 3 and D 4.
Reference numeral 49 denotes a correction pulse generating circuit which, by generating a correction pulse Ps for each lo 5 operation of correction switch 24 ‘ as controlled by the correction button 24, either corrects or sets the display content of the display secion designated by digit selection circuit 48 110 Reference numeral 50 denotes a function control pulse generating circuit which, by generating a function control pulse Pf for each operation of function control switch ‘ as controlled by function control button 115 25, controls each function selected by function selection circuit 47.
The output terminals of function selection circuit 47, digit selection circuit 48, correction pulse generating circuit 49 and 120 function control pulse generating circuit are connected to each of the circuit means as shown in the drawing The output terminals of function selection circuit 47 govern display switching circuit 46 125 which switches to the function to be displayed, designate the operational modes of function circuit means 45, alarm memory means 39 time-keeping circuit 33 and calendar circuit 34, and allow sound selec 130 1 572 562 tion circuit 36 to select a different sound for each function Further, the digits to be corrected for the world-time function with respect to time-keeping circuit 3, calendar circuit 34 and function circuit means 45 are designated by the outputs appearing at the output terminals of digit selection circuit 48 These outputs also designate the digits to be set in each memory of the alarm memory means 39 and in the timer function of the function display means 45.
Fig 3 shows a detailed circuitry for the function selection circuit 47 The function selection circuit 47 comprises a shift register 60 composed of eleven data-type flipflops 61 through 71 and inverters 72 through 81 connected to the Q outputs of the data-type flip-flops 61 through 71 respectively The outputs of the inverters 72 through 81 are connected to terminals TK through TC, respectively The Q output of each of the data-type flip-flops is connected to the data input terminal of each of subsequent stages of the flop-flops The clock input terminals of the flip-flops 61 through 71 are commonly connected through a waveform shaping circuit 83 to the function selection switch 22 ‘ The set terminal of the flop-flop 61 and the reset terminals of the other flip-flo Ds 62 through 71 are coupled together and connected through a waveform shaping circuit 84 to a timer circuit 85 The timer circuit 85 is composed of data-type flipflops 86 through 89 The data input terminal of the flip-flop 89 is maintained at a high logic level at all times and, therefore, when the reset terminals of the flipflops 86 through 89 are released, the logic states are consecutively shifted by clock pulses applied to a clock terminal denoted as CLOCK Thus, the timer circuit 85 generates an output in response to a fourth clock pulse, which output is applied through the waveform shaping circuit 84 to the reset terminal of the shift register in which the flip-flop 61 is set and the other flip-flops are all reset Connected to the clock terminal of the timer circuit 85 is a clock pulse switching circuit 90, which is composed of an OR gate 91, AND gates 92 and 93, and an inverter 94 One input of the AND gate 92 is connected to a SS terminal Pl to which clock pulses of one second cycle are applied The other input of the AND gate 92 is connected to the terminal CA, i e, the output of the inverter 73 to which one input of the AND gate 93 is connected through the inverter 94.
The other input of the AND gate 93 is connected to a terminal P 2 to which clock pulses of one minute cycle are a Dolied Outputs of the AND gates 92 and 93 are connected to inputs of the OR gate 91, whose output is connected to the clock terminal of the timer circuit 85 With this arrangement, the clock pulse switching circuit 90 selectively applies one of the clock pulses Pl and P 2 to the timer circuit 85 in 70 dependence on the logic state of the terminal CA.
Designated at 95 is a NOR gate having inputs coupled to the output terminals CA, Al, A 2, A 3, A 4, WVT and TC and an 75 output coupled to one input of an OR gate 96 having its output coupled to the reset terminals of the timer circuit 85 The other input of the OR gate 96 is connected to a terminal Psw, to which switch pulses 80 generated by the operations of digit selector switch 23 ‘ and correction switch 24 ‘ are supplied to effect resetting of the flipflops of the timer circuit 85 Either one of the output terminals CA, Al, A 2, A 3, 85 A 4, WT and TC goes to a high logic level, the output of the NOR gate 95 goes to a low logic level, releasing the reset terminals of the flip-flops of the timer circuit 85 90 The operation of the electronic timepiece constructed as described above will now be described with respect to each available function.
For the 1st function, i e, the time-keep 95 ing function, function selection circuit 47 designates terminal TK so that the content of time-keeping circuit 33 is selected and switched to digital display section 12 by means of the display switching circuit 100 46 Thus, as shown in Fig 1, only the mark corresponding to TK of display section 17 is illuminated thereby indicating that the timepiece is in the time-keeping mode At the same time, hours are dis 105 played in the 1st display section 13, minutes in the 2nd display section 14, seconds in the 3rd display section 15, and the day of the week in the 4th display section 16 In this state, the output of 110 the NOR gate 95 is held at a high logic level and, therefore, the timer circuit 85 is maintained in its reset condition.
The 2nd function, i e the calendar, is designated by a single operation of func 115 tion selection button 22 In other words, function selection circuit 47 designates terminal CA in response to operation of the function selection switch 22 ‘ so that display switching circuit 46 selectes the 120 content of calendar circuit 34 As a result, only the mark corresponding to CA of function display section 17 is illuminated, while months are displayed in the 1st display section 13, the date is displayed 125 in the 2nd display section 14, years in the 3rd display section 15, and the day of the week in the 4th display section 16 In this state, calendar circuit 34 is in the designated state due to the output a terminal 130 1 572 562 CA of the function selection circuit 47 so that operation of digit selection button 23 allows selecion of any one of the output terminals D 1, D 2, D 3 or D 4 of digit selection circuit 48, whereby calendar circuit 34 is controlled so as to select the months, date, years and days of the week digits in a successive manner The display sedtion which has been placed in the selected state can be corrected by operating the correction button 24 When the calendar mode is selected, the output terminal CA goes to a high logic level and the output of the NOR gate 95 goes to a low logic level This output is applied through the OR gate 96 to the timer circuit 85, releasing the reset condition In this instance, since the AND gate 92 is open by the output terminal CA, the clock pulses of one second cycle are supplied through the OR gate 91 to the clock terminal of the timer circuit 85, which consequently commenses its operation.
Accordingly, the timer circuit 85 generates an output signal after four seconds have passed This output signal is applied through the waveform shaping circuit 84 to the reset terminal of the shift register Under this condition, the flip-flop 61 is set and the remaining flip-flops 62 through 71 are reset whereby the timekeeping mode is forcibly provided.
For the third function, i e, the alarm, four memories Al through A 4 can be set.
The memories are designated successively starting from Al by means of function selection button 22, this being indicated by illumination of the proper mark in function display section 17 At the same time, hours are displayed in 1st display section 13, and minutes in 2nd display section 14.
In addition, AM-PM mark 19 and alarm mark 20 are displayed In this state, the digits which appear in 1st display section 13 and 2nd display section 14 are selected by digit selection button 23, and the desired alarm time is set by correction button 24 When the time set in the memories of alarm memory means 39 is in coincidence with the time kept by time-keeping circuit 33, coincidence detection circuit 44 generrates a coincidence signal which causes sound generator 35 to produce an alarm.
Moreover, a different alarm for each of the alarm functions Al through A 4 is produced in response to the operation alarm signal designated by sound selection circuit 36 which is responsive to alarm memory means 39 Further, each of the memories of the alarm memory means 39 can be assigned modes of operation whereby individual memories will operate to provide an alarm only once, or where they will operate daily at the designated time.
These two modes are designated as follows When the alarm function has been designated, a function control pulse Pf, produced by function control pulse generating circuit 50 in response to operation of the function control button, is applied 70 as a mode designation signal to the mode designation terminal P, of alarm memory means 39 The state of the mode so designated is indicated by the alarm display mark 20: the mark is displayed in a 75 normal manner for the single operation mode and flashes to indicate the fixed operation mode Accordingly, the fixed operation mode may conveniently be selected to produce an alarm at a specified 80 time every day For example, an alarm can be set to awaken the user in the morning or to notify an individual of a daily departure time It is also possible to distribute the two modes among the 85 four alarm functions In the present embodiment, by connecting the signal from calendar circuit 34 to the terminal N of alarm memory means 39, the fixed operation mode is set not to operate only on 90 Sunday It is to be noted that when the Al mode is selected, the output of the NOR gate 95 goes to a low logic level and the timer circuit 85 starts to operates.
Since, in this instance, the AND gate 93 95 is open by the action of the inverter 94, the clock pulses of one minute cycle are applied to the timer circuit, which consequently generates an output signal after four minutes have elapsed Thus, the shift 100 register 61 is set and the time-keeping mode is selected During the Al memory mode, if the digit selection switch 23 ‘ and the correction switch 24 ‘ are actuated to set an alarm time, the switch pulses Psw 105 generated by the operations of the switches 23 ‘ and 24 ‘ are applied through the OR gate 96 to the reset terminal of the timer circuit 85, instantaneously resetting this timer lircuit Consequently, the 110 timer circuit 85 repeats counting and resetting operations during the alarm mode and generates an output signal to return the shift register 60 to its time-keeping mode when four minutes have passed 115 after the final operation of each of the switches 23 ‘ and 24 ‘.
For the 4th function, i e, the chronogranh, function circuit means 45 is set to the chronograph function, and digital dis 120 play section 12 is utilized to display hours in 1st display section 13, minutes in 2nd display section 14, seconds in 3rd display section 15, and tenths of seconds in 4th display section 16 The display is started 125 and stopped by operating function control button 25, and set to zero by correction button 24 Further, sound generator 35 will produce an audible sound for each start and stop operation and for -every 130 1 572 562 1-second count.
For the 5th function, i e, the timer, function circuit means 45 is set to the timer function (subtraction mode), and digital display section 12 is utilized to display hours in 1st display section 13, minutes in 2nd display section 14, seconds in 3rd display section 15, and tenths of seconds in 4th display section 16 The time shown in each display section is set by means of digit selection button 23 and correction button 24, and the timer is started by operating function control button 25 Sound generator 35 will produce an alarm when the timer is started and stopped.
For the 6th function, i e, the counter, function circuit means 45 is set to the counter function (the counting circuits including divide-by-six and divide-by-10 counter), and digital display section 12 makes combined use of 1st display section 13 and 2nd display section 14 as a 4 digit counter (By converting the counting circuit corresponding to the 2nd display section 14 from a divide-by-60 counter to a divide-by-100 counter, it is possible to construct a counter capable of counting to 12000) This function is operated as was the chronograph function, with the function control button 25 serving as a counting button and the correction button 24 serving as a zero reset button Confirmation of the counting procedure is available since the sound generator will produce an audible sound each time the counting button 25 is depressed.
For the 7th function, i e, world-time, function selection circuit 47 is set to the normal time-keeping function and digital display section 12 is utilized to display hours in 1st display section 13, minutes in 2nd display section 14, and seconds in 3rd display section 15 After setting timekeeping circuit 33 to a time differing by a specific time difference, this being accomplished by manipulating digit selection button 23 and correction button 24, the time-keeping operation is performed in response to a time-keeping signal O which is the input signal of the time-keeping circuit 33 Further, with regard to the timechange function, each display section of digital display section 12 is in a state identical to that of the time-keeping state.
However, since in this case the timekeeping circuit 3 has been placed in the correction state due to the output which appears at terminal TC of function selection circuit 47, a time correction can be performed by manipulating digit selection button 23 and correction button 24 Moreover, for functions other than the chronograph, timer and counter functions mentioned above, a priority system has been adopted which returns the timepiece to the time-keeping function after a given amount of time has elapsed In addition, since the time-keeping function, alarm function as well as the other functions are operated 70 independently of the other, an audible alarm can be produced at the designated time regardless of the function which has been selected It is also possible to distinguish among alarms since a different sound can 75 be produced for each function.
It should thus be appreciated from the above description that the present invention is constructed of three blocks, namely means for a time-keeping function, 80 alarm function and other functions, and that each of these functions is operable independently of the other Consequently, while the 1st and 2nd functions, i e, the time-keeping and alarm functions, are given 85 priority, a function circuit which possesses the capability of furnishing additional functions operates in a comparatively noncontinuous manner thereby allowing these other functions to be switched to and 90 displayed for a given period of time This thus makes it possible to provide the most effective system for a multi-function timepiece Further, utilizing the sound generator of the alarm function means 95 in the other functions, enhances the effectiveness of these additional functions.
Although the present embodiment makes use of a single digital display device for the purpose of providing a display for all 100 of the functions, a main display device and auxiliary display device can be adopted, wherein the main display device provides a normal time-keeping display while the auxiliary display device provides a switched 105 display for the other functions as well as a priority display for the alarm function.
The function selection circuit is arranged such that when a predetermined time interval has elapsed after some of 110 the functions have been selected the function selection circuit is automatically shifted to its initial function mode, i e, a time-keeping mode In addition, the timer circuit of the function selection circuit 115 serves as a timer having a long operation time interval when an alarm or time correction modes are selected, and serves as a timer having a short operation time interval when a calendar mode is selected 120 Since, further, the time correction function mode is arranged to be selected at a final position of a sequence of the function modes, an erroneous operation of the timepiece due to undesirable depression 125 of the time correction button is satisfactorily prevented While a description has been omitted hereinbefore, it should be appreciated that a correction of calendar time be continuously performed when the 130 1 572 562 function selection circuit selects the time correction function mode TC.

Claims (7)

WHAT WE CLAIM IS:-

1 A multi-function electronic timepiece having an external control member, timekeeping circuit means including an oscillator, a frequency divider connected to said frequency divider to provide time information signals, display means for displaying time information in response to said time information signals, function circuit means for providing a plurality of function modes, at least one of which is other than time keeping function, and a function selection circuit comprising circuit means controlled by said external control member to provide output signals in a predetermined sequence to select said plurality of functions modes in said sequence, said circuit means including means for producing an output signal in said sequence to select a time correction mode in which a time correction can be performed up on said timekeeping circuit means.

2 A timepiece according to claim 1, in which said display means comprises a plurality of display marks each representative of a particular function mode.

3 A timepiece according to claim 1, in 30 which said time correction mode is selected at a final step of said sequence.

4 A timepiece according to claim 1, in which said circuit means comprises a plurality of flip-flops connected to said ex 35 ternal control member.

A time piece according to claim 3, further comprising a timer circuit connected to said flip-flops to return said function selection circuit to its initial 40 mode when a predetermined time interval has elapsed after a given function had been selected.

6 A timepiece according to claim 4, further comprising a clock pulse switch 45 ing circuit connected between said timer circuit and sources of first and second clock pulses, said clock pulse switching circuit applying one of said first and second clock pulses to said timer circuit 50 in dependence on a logic state of one of said flip flops.

7 An electronic timepiece substantially as shown and described with reference to the accompanying drawings 55 MARKS & CLERK Printed for Her Majesty’s Stationery Office by The Tweeddale Press Ltd, Berwick-upon-Tweed, 1980.
Published at the Patent Office, 25 Southampton Buildings, London WC 2 A l AY from which copies may be obtained.

GB28279/77A
1976-07-06
1977-07-06
Multi-function temepiece

Expired

GB1572562A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

JP8015476A

JPS536075A
(en)

1976-07-06
1976-07-06
Multi-function watch

Publications (1)

Publication Number
Publication Date

GB1572562A
true

GB1572562A
(en)

1980-07-30

Family
ID=13710370
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB28279/77A
Expired

GB1572562A
(en)

1976-07-06
1977-07-06
Multi-function temepiece

Country Status (4)

Country
Link

US
(1)

US4216649A
(en)

JP
(1)

JPS536075A
(en)

GB
(1)

GB1572562A
(en)

HK
(1)

HK5484A
(en)

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1981-02-04
1982-08-06
Borletti Spa

ELECTRONIC APPARATUS USABLE AS A DIGITAL CLOCK OR CHRONOGRAPH

EP0092211A1
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1982-04-20
1983-10-26
LEGRAND GmbH
Electronic time-programme commutating device

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Casio Comput Co Ltd
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Seiko Epson Corp
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Casio Computer Co Ltd
Compact electronic device having calendar function

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Programmable event reminder apparatus

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Multi functional analog digital watch

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2004-12-20
2012-05-15
Glashuetter Uhrenbetrieb Gmbh

TIME INTERVAL MEASUREMENT DEVICE WITH AN IMPACT MECHANISM

CN102354103A
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2011-09-22
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Multifunctional watch

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active
Granted

1977

1977-06-30
US
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patent/US4216649A/en
not_active
Expired – Lifetime

1977-07-06
GB
GB28279/77A
patent/GB1572562A/en
not_active
Expired

1984

1984-01-12
HK
HK54/84A
patent/HK5484A/en
unknown

Cited By (6)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2499258A1
(en)

1981-02-04
1982-08-06
Borletti Spa

ELECTRONIC APPARATUS USABLE AS A DIGITAL CLOCK OR CHRONOGRAPH

EP0092211A1
(en)

1982-04-20
1983-10-26
LEGRAND GmbH
Electronic time-programme commutating device

WO1983003688A1
(en)

1982-04-20
1983-10-27
Brandenberg, Winfried
Timed or time-programmed electronic switching apparatus

US4594007A
(en)

1982-04-20
1986-06-10
Westdeutsche Elektrogeratebau Gmbh
Time-programming apparatus

GB2210711A
(en)

1987-10-05
1989-06-14
Horstmann Timers & Controls
Timeswitches

GB2210711B
(en)

1987-10-05
1991-09-25
Horstmann Timers & Controls
Timeswitches

Also Published As

Publication number
Publication date

JPS536075A
(en)

1978-01-20

US4216649A
(en)

1980-08-12

JPS6112232B2
(en)

1986-04-07

HK5484A
(en)

1984-01-20

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