JPS51130266A - Electronic clock - Google Patents
Electronic clockInfo
- Publication number
- JPS51130266A JPS51130266A JP51041431A JP4143176A JPS51130266A JP S51130266 A JPS51130266 A JP S51130266A JP 51041431 A JP51041431 A JP 51041431A JP 4143176 A JP4143176 A JP 4143176A JP S51130266 A JPS51130266 A JP S51130266A
- Authority
- JP
- Japan
- Prior art keywords
- group
- binary registers
- cascaded
- frequency
- output
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
- G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The electronic converter comprises a first group of cascaded binary registers, a plurality of cascaded logic gates which are connected to the binary registers in order to divide the frequency of the signals which it receives by a fractional number and a second group of cascaded binary registers whose input is connected to the output of the last gate in order to produce at the output of the second group an approximately decimal fraction of the frequency at the input of the first group of binary registers. The converter is used in a timepiece with single time base which, besides the displaying of time in hours, minutes and seconds, has a chronograph function with indication of tenths or hundredths of a second. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16825/75A GB1513941A (en) | 1975-04-23 | 1975-04-23 | Electronic timepiece for time of day and chronograph functions |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51130266A true JPS51130266A (en) | 1976-11-12 |
Family
ID=10084366
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51041431A Pending JPS51130266A (en) | 1975-04-23 | 1976-04-14 | Electronic clock |
JP51069628A Pending JPS5255669A (en) | 1975-04-23 | 1976-06-14 | Exchanger |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51069628A Pending JPS5255669A (en) | 1975-04-23 | 1976-06-14 | Exchanger |
Country Status (4)
Country | Link |
---|---|
JP (2) | JPS51130266A (en) |
CH (1) | CH625671GA3 (en) |
FR (1) | FR2308971A1 (en) |
GB (1) | GB1513941A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5578979U (en) * | 1978-11-24 | 1980-05-30 | ||
JP2018169362A (en) * | 2017-03-30 | 2018-11-01 | シチズン時計株式会社 | Counter circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804041C3 (en) * | 1978-01-31 | 1983-11-17 | Gebrüder Junghans GmbH, 7230 Schramberg | Electronic clock |
DE2821619C3 (en) * | 1978-05-18 | 1981-05-21 | Gebrüder Junghans GmbH, 7230 Schramberg | Electronic clock with analog display and hands and liquid crystal display unit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4953475A (en) * | 1972-09-22 | 1974-05-24 | ||
JPS5028367A (en) * | 1973-07-11 | 1975-03-22 |
-
1975
- 1975-04-23 GB GB16825/75A patent/GB1513941A/en not_active Expired
-
1976
- 1976-03-31 CH CH398876A patent/CH625671GA3/en unknown
- 1976-04-14 JP JP51041431A patent/JPS51130266A/en active Pending
- 1976-04-16 FR FR7613071A patent/FR2308971A1/en active Granted
- 1976-06-14 JP JP51069628A patent/JPS5255669A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4953475A (en) * | 1972-09-22 | 1974-05-24 | ||
JPS5028367A (en) * | 1973-07-11 | 1975-03-22 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5578979U (en) * | 1978-11-24 | 1980-05-30 | ||
JP2018169362A (en) * | 2017-03-30 | 2018-11-01 | シチズン時計株式会社 | Counter circuit |
Also Published As
Publication number | Publication date |
---|---|
FR2308971A1 (en) | 1976-11-19 |
JPS5255669A (en) | 1977-05-07 |
GB1513941A (en) | 1978-06-14 |
FR2308971B1 (en) | 1981-06-19 |
CH625671GA3 (en) | 1981-10-15 |
CH625671B (en) |
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