JPH02116155U - - Google Patents
Info
- Publication number
- JPH02116155U JPH02116155U JP2366689U JP2366689U JPH02116155U JP H02116155 U JPH02116155 U JP H02116155U JP 2366689 U JP2366689 U JP 2366689U JP 2366689 U JP2366689 U JP 2366689U JP H02116155 U JPH02116155 U JP H02116155U
- Authority
- JP
- Japan
- Prior art keywords
- person
- detection means
- speaker
- telephone
- ringtone
- 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 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2366689U JPH02116155U (fr) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2366689U JPH02116155U (fr) | 1989-02-28 | 1989-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02116155U true JPH02116155U (fr) | 1990-09-18 |
Family
ID=31242850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2366689U Pending JPH02116155U (fr) | 1989-02-28 | 1989-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02116155U (fr) |
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1989
- 1989-02-28 JP JP2366689U patent/JPH02116155U/ja active Pending