JPH0743672Y2 - 電子時計 - Google Patents
電子時計Info
- Publication number
- JPH0743672Y2 JPH0743672Y2 JP1987032209U JP3220987U JPH0743672Y2 JP H0743672 Y2 JPH0743672 Y2 JP H0743672Y2 JP 1987032209 U JP1987032209 U JP 1987032209U JP 3220987 U JP3220987 U JP 3220987U JP H0743672 Y2 JPH0743672 Y2 JP H0743672Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- chip
- slit
- crystal resonator
- sensor
- 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 - Lifetime
Links
- 239000013078 crystal Substances 0.000 claims description 38
- 239000004065 semiconductor Substances 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000523 sample Substances 0.000 description 8
- 210000000707 wrist Anatomy 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987032209U JPH0743672Y2 (ja) | 1987-03-05 | 1987-03-05 | 電子時計 |
GB8804759A GB2202994B (en) | 1987-03-05 | 1988-02-29 | Circuit assembly, e.g. for an electronic timepiece |
US07/164,352 US4876677A (en) | 1987-03-05 | 1988-03-04 | Sensor mount for an electronic timepiece |
KR1019880002288A KR910008673B1 (ko) | 1987-03-05 | 1988-03-05 | 전자 시계 |
CH849/88A CH674117B5 (enrdf_load_html_response) | 1987-03-05 | 1988-03-07 | |
SG42294A SG42294G (en) | 1987-03-05 | 1994-03-22 | Circuit assembly, e.g. for an electronic timepiece |
HK40494A HK40494A (en) | 1987-03-05 | 1994-04-28 | Circuit assembly, e.g. for an electronic timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987032209U JPH0743672Y2 (ja) | 1987-03-05 | 1987-03-05 | 電子時計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63139591U JPS63139591U (enrdf_load_html_response) | 1988-09-14 |
JPH0743672Y2 true JPH0743672Y2 (ja) | 1995-10-09 |
Family
ID=30838670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987032209U Expired - Lifetime JPH0743672Y2 (ja) | 1987-03-05 | 1987-03-05 | 電子時計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0743672Y2 (enrdf_load_html_response) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2519900Y2 (ja) * | 1989-06-16 | 1996-12-11 | シチズン時計株式会社 | 電子時計のテストパターン構造 |
JPH0729514Y2 (ja) * | 1989-11-07 | 1995-07-05 | セイコーエプソン株式会社 | 電子時計用回路基板及び電子時計 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5758637B2 (enrdf_load_html_response) * | 1974-03-09 | 1982-12-10 | Citizen Watch Co Ltd | |
JPS57692U (enrdf_load_html_response) * | 1980-06-03 | 1982-01-05 | ||
JPS587584A (ja) * | 1981-07-07 | 1983-01-17 | Citizen Watch Co Ltd | 温度補償付電子時計 |
JPS61184973U (enrdf_load_html_response) * | 1985-05-09 | 1986-11-18 |
-
1987
- 1987-03-05 JP JP1987032209U patent/JPH0743672Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63139591U (enrdf_load_html_response) | 1988-09-14 |
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