JPH04319694A - 時刻補正データメモリ付時計装置 - Google Patents
時刻補正データメモリ付時計装置Info
- Publication number
- JPH04319694A JPH04319694A JP3088197A JP8819791A JPH04319694A JP H04319694 A JPH04319694 A JP H04319694A JP 3088197 A JP3088197 A JP 3088197A JP 8819791 A JP8819791 A JP 8819791A JP H04319694 A JPH04319694 A JP H04319694A
- Authority
- JP
- Japan
- Prior art keywords
- time
- clock
- time correction
- correction data
- cpu
- 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
- 230000010355 oscillation Effects 0.000 claims abstract description 23
- 238000012937 correction Methods 0.000 claims description 56
- 238000013500 data storage Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3088197A JPH04319694A (ja) | 1991-04-19 | 1991-04-19 | 時刻補正データメモリ付時計装置 |
| EP92106800A EP0511573A2 (en) | 1991-04-19 | 1992-04-21 | Clock with clock adjusting data memory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3088197A JPH04319694A (ja) | 1991-04-19 | 1991-04-19 | 時刻補正データメモリ付時計装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04319694A true JPH04319694A (ja) | 1992-11-10 |
Family
ID=13936177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3088197A Pending JPH04319694A (ja) | 1991-04-19 | 1991-04-19 | 時刻補正データメモリ付時計装置 |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0511573A2 (enrdf_load_stackoverflow) |
| JP (1) | JPH04319694A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08101286A (ja) * | 1994-09-30 | 1996-04-16 | Nec Gumma Ltd | カレンダ時計回路 |
| JP2010256240A (ja) * | 2009-04-27 | 2010-11-11 | Denso Corp | 車両用時計および車両用時計の製造方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2624176B2 (ja) * | 1994-05-20 | 1997-06-25 | 日本電気株式会社 | 電子時計及び時刻補正方法 |
| DE4423366C1 (de) * | 1994-07-04 | 1995-10-19 | Grundig Emv | Verfahren und Anordnung zum Betreiben einer Software-Uhr in einem Gerät der Unterhaltungselektronik |
| US6304517B1 (en) | 1999-06-18 | 2001-10-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for real time clock frequency error correction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57117184A (en) * | 1981-01-13 | 1982-07-21 | Citizen Watch Co Ltd | Non-volatile memory circuit for portable electronic device |
| CH664868GA3 (enrdf_load_stackoverflow) * | 1986-07-10 | 1988-04-15 |
-
1991
- 1991-04-19 JP JP3088197A patent/JPH04319694A/ja active Pending
-
1992
- 1992-04-21 EP EP92106800A patent/EP0511573A2/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08101286A (ja) * | 1994-09-30 | 1996-04-16 | Nec Gumma Ltd | カレンダ時計回路 |
| JP2010256240A (ja) * | 2009-04-27 | 2010-11-11 | Denso Corp | 車両用時計および車両用時計の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0511573A3 (enrdf_load_stackoverflow) | 1994-02-16 |
| EP0511573A2 (en) | 1992-11-04 |
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