JPH0142396B2 - - Google Patents
Info
- Publication number
- JPH0142396B2 JPH0142396B2 JP56117320A JP11732081A JPH0142396B2 JP H0142396 B2 JPH0142396 B2 JP H0142396B2 JP 56117320 A JP56117320 A JP 56117320A JP 11732081 A JP11732081 A JP 11732081A JP H0142396 B2 JPH0142396 B2 JP H0142396B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- transistor
- potential
- rotor
- detection
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 26
- 230000003071 parasitic effect Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000003079 width control Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11732081A JPS5819584A (ja) | 1981-07-27 | 1981-07-27 | アナログ電子時計のロータ位置判定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11732081A JPS5819584A (ja) | 1981-07-27 | 1981-07-27 | アナログ電子時計のロータ位置判定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5819584A JPS5819584A (ja) | 1983-02-04 |
JPH0142396B2 true JPH0142396B2 (ko) | 1989-09-12 |
Family
ID=14708825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11732081A Granted JPS5819584A (ja) | 1981-07-27 | 1981-07-27 | アナログ電子時計のロータ位置判定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5819584A (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT382135B (de) * | 1984-01-31 | 1987-01-12 | Otis Elevator Co | Gleitschuhanordnung fuer einen fahrkorb |
JP2810222B2 (ja) * | 1990-09-19 | 1998-10-15 | 株式会社日立製作所 | エレベータ用ガイドシユー |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5370873A (en) * | 1976-12-07 | 1978-06-23 | Seiko Epson Corp | Electronic wristwatch |
JPS53136870A (en) * | 1977-04-23 | 1978-11-29 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5475520A (en) * | 1977-11-30 | 1979-06-16 | Seiko Instr & Electronics Ltd | Operation detecting circuit of step motor |
-
1981
- 1981-07-27 JP JP11732081A patent/JPS5819584A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5370873A (en) * | 1976-12-07 | 1978-06-23 | Seiko Epson Corp | Electronic wristwatch |
JPS53136870A (en) * | 1977-04-23 | 1978-11-29 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5475520A (en) * | 1977-11-30 | 1979-06-16 | Seiko Instr & Electronics Ltd | Operation detecting circuit of step motor |
Also Published As
Publication number | Publication date |
---|---|
JPS5819584A (ja) | 1983-02-04 |
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