CASIO • • TYO( ) ( ) HKG( ) HKG • (DST) • 1
10 12 10 6 1 1 • 24 1 6 7 2 • • • 2 24 3
1 ............................. 2 ............................................................... 3 6 10 16 .................................................. 16 ............................................................. 17 ..................................................... 18 ..................................................... 20 .................................................................... 20 .................................................. 22 ............................................
• 6 7
• 8 1.
10 11
2 12 13
• • 1 14 6 10 15
JJY NICT Otakadoya 24 40kHz Hagane 60kHz WWVB National Institute of Standards and Technology NIST Fort Collins MSF National Physical LaboraRugby tory NPL DCF77 PhysikalischTechnische Bundesanstalt PTB Mainflingen JJY NICT NICT http://jjy.nict.go.
JJY WWVB DCF77 * MSF 56 50 HKG HNL ANC HKG 18 19
2 7 14 12 ......
2 6 • • 6 6 22 DST Daylight Saving Time 1 56 • • 23
• • READY R WORK W 24 0 2 • ➟ 24 READY 24 R • Y 1 • N 1 25
➟ Y N 5 2099 26 2100 27
2. 1. 1 3.
1/20 59 59.
1/20 1 1/20 32 33
6 " 34 " 35
42 6 1. 56 2.
2. ➟ 1 2 ➟ 24 3. 1.
3. 24 1. 2 ➟ 2 3 2.
2006 6 UTC 42 43
6 27 29 ➟ 1 ■ ■ 56 44 45
DST Daylight Saving Time 1 2 ➟ ON ON OFF OFF 46 1 2 "GMT" " " 58 47
2. 2 NYC TYO ➟ 1. 1.
2006 6 UTC 50 51
6 10 2 3 6 1.
2. ➟ 1 ➟ 24 3.
READY R 2 3 1. 2.
3. 4. ➟ ➟ 5.
6. 9. ➟ ➟ 7. ➟ 1 10. 1 ➟ 8.
2 3 2. 1.
3. 5. ➟ 24 ➟ 60 12 12 24 24 6. 4.
7. 9. ➟ ➟ 1 1 8.
32,768Hz 27 29 20 10 10 24 CMOS-LSI JJY MSF/ DCF77 5 JJY(40kHz/60kHz) WWVB(60kHz) MSF (60kHz) DCF77 (77.
WATER RESIST WATER RESISTANT 0BAR 5BAR 10BAR 20BAR X X X X X 60 BAR WATER RESIST WATER RESISTANT 70 71
( 72 ) 73
74
