JPH02139754U - - Google Patents
Info
- Publication number
- JPH02139754U JPH02139754U JP4981289U JP4981289U JPH02139754U JP H02139754 U JPH02139754 U JP H02139754U JP 4981289 U JP4981289 U JP 4981289U JP 4981289 U JP4981289 U JP 4981289U JP H02139754 U JPH02139754 U JP H02139754U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- timer
- microphone
- signal
- logic circuit
- 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
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981289U JPH02139754U (en]) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981289U JPH02139754U (en]) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139754U true JPH02139754U (en]) | 1990-11-21 |
Family
ID=31567824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4981289U Pending JPH02139754U (en]) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139754U (en]) |
-
1989
- 1989-04-27 JP JP4981289U patent/JPH02139754U/ja active Pending