JPS54133169A - Phase detector of electronic watch and others - Google Patents
Phase detector of electronic watch and othersInfo
- Publication number
- JPS54133169A JPS54133169A JP4068278A JP4068278A JPS54133169A JP S54133169 A JPS54133169 A JP S54133169A JP 4068278 A JP4068278 A JP 4068278A JP 4068278 A JP4068278 A JP 4068278A JP S54133169 A JPS54133169 A JP S54133169A
- Authority
- JP
- Japan
- Prior art keywords
- identification
- analog display
- wheel train
- digital quantity
- phase detector
- 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
Landscapes
- Electromechanical Clocks (AREA)
Abstract
PURPOSE: To convert analog display to digital display with a simple constitution by detecting the phase of an analog display system to digital quantity through an identification plate operating cooperatively with wheel train.
CONSTITUTION: The time is analogically displayed by the hands, etc. of an analog display device 6 through a frequency dividing system 3, electro-mechanical conversion part 4 such as step motor and other and wheel train 5. On the other hand, an identification plate 71 formed with identification patterns of binary codes or the identification patterns of gray codes of a phase detector 7 turns cooperatively with the wheel train 5, and the digital quantity corresponding to analog quantity is read out with an identifier 72 and is stored as voltage corresponding to digital quantity in an identification circuit 73. Hence, analog display may be accurately digitally displayed without any step-out with the simple constitution of not requiring any mechanical and electrical counters.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4068278A JPS54133169A (en) | 1978-04-06 | 1978-04-06 | Phase detector of electronic watch and others |
US06/026,971 US4290131A (en) | 1978-04-06 | 1979-04-04 | Electronic timepiece |
GB7912067A GB2023310B (en) | 1978-04-06 | 1979-04-05 | Electronic timepiece |
CH324079A CH645500GA3 (en) | 1978-04-06 | 1979-04-06 | |
DE19792913993 DE2913993A1 (en) | 1978-04-06 | 1979-04-06 | ANALOG / DIGITAL CONVERSION SYSTEM FOR AN ELECTRONIC WATCH |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4068278A JPS54133169A (en) | 1978-04-06 | 1978-04-06 | Phase detector of electronic watch and others |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54133169A true JPS54133169A (en) | 1979-10-16 |
Family
ID=12587298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4068278A Pending JPS54133169A (en) | 1978-04-06 | 1978-04-06 | Phase detector of electronic watch and others |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54133169A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56159789U (en) * | 1980-04-26 | 1981-11-28 | ||
JPS59126284A (en) * | 1983-01-07 | 1984-07-20 | Orient Watch Co Ltd | Electronic time-piece with time alarm function |
JPH0628782U (en) * | 1992-08-05 | 1994-04-15 | 台甲 馮 | Pointer-type watch with voice reporting function |
-
1978
- 1978-04-06 JP JP4068278A patent/JPS54133169A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56159789U (en) * | 1980-04-26 | 1981-11-28 | ||
JPS6118470Y2 (en) * | 1980-04-26 | 1986-06-04 | ||
JPS59126284A (en) * | 1983-01-07 | 1984-07-20 | Orient Watch Co Ltd | Electronic time-piece with time alarm function |
JPH0628782U (en) * | 1992-08-05 | 1994-04-15 | 台甲 馮 | Pointer-type watch with voice reporting function |
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