JPH02122385U - - Google Patents
Info
- Publication number
- JPH02122385U JPH02122385U JP3147189U JP3147189U JPH02122385U JP H02122385 U JPH02122385 U JP H02122385U JP 3147189 U JP3147189 U JP 3147189U JP 3147189 U JP3147189 U JP 3147189U JP H02122385 U JPH02122385 U JP H02122385U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection signal
- sensor circuit
- certain period
- 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.)
- Granted
Links
- 238000013459 approach Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electric Clocks (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3147189U JPH0617106Y2 (ja) | 1989-03-22 | 1989-03-22 | 時計の照明回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3147189U JPH0617106Y2 (ja) | 1989-03-22 | 1989-03-22 | 時計の照明回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02122385U true JPH02122385U (ar) | 1990-10-05 |
JPH0617106Y2 JPH0617106Y2 (ja) | 1994-05-02 |
Family
ID=31257348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3147189U Expired - Lifetime JPH0617106Y2 (ja) | 1989-03-22 | 1989-03-22 | 時計の照明回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0617106Y2 (ar) |
-
1989
- 1989-03-22 JP JP3147189U patent/JPH0617106Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0617106Y2 (ja) | 1994-05-02 |