JPS61187150U - - Google Patents
Info
- Publication number
- JPS61187150U JPS61187150U JP7202785U JP7202785U JPS61187150U JP S61187150 U JPS61187150 U JP S61187150U JP 7202785 U JP7202785 U JP 7202785U JP 7202785 U JP7202785 U JP 7202785U JP S61187150 U JPS61187150 U JP S61187150U
- Authority
- JP
- Japan
- Prior art keywords
- filter section
- microphone
- frequency component
- specific frequency
- 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
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7202785U JPS61187150U (un) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7202785U JPS61187150U (un) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187150U true JPS61187150U (un) | 1986-11-21 |
Family
ID=30610057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7202785U Pending JPS61187150U (un) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187150U (un) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5011109A (un) * | 1973-05-28 | 1975-02-05 | ||
| JPS592472A (ja) * | 1982-06-28 | 1984-01-09 | Nec Home Electronics Ltd | 電話機用照明点灯装置 |
-
1985
- 1985-05-14 JP JP7202785U patent/JPS61187150U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5011109A (un) * | 1973-05-28 | 1975-02-05 | ||
| JPS592472A (ja) * | 1982-06-28 | 1984-01-09 | Nec Home Electronics Ltd | 電話機用照明点灯装置 |