JPS6337748A - 電話機用スピ−カフオンの送受話回路 - Google Patents
電話機用スピ−カフオンの送受話回路Info
- Publication number
- JPS6337748A JPS6337748A JP18159786A JP18159786A JPS6337748A JP S6337748 A JPS6337748 A JP S6337748A JP 18159786 A JP18159786 A JP 18159786A JP 18159786 A JP18159786 A JP 18159786A JP S6337748 A JPS6337748 A JP S6337748A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- microphone
- filter
- transmitting
- speaker
- 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
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000018883 loss of balance Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18159786A JPS6337748A (ja) | 1986-07-31 | 1986-07-31 | 電話機用スピ−カフオンの送受話回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18159786A JPS6337748A (ja) | 1986-07-31 | 1986-07-31 | 電話機用スピ−カフオンの送受話回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6337748A true JPS6337748A (ja) | 1988-02-18 |
| JPH0355069B2 JPH0355069B2 (fr) | 1991-08-22 |
Family
ID=16103591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18159786A Granted JPS6337748A (ja) | 1986-07-31 | 1986-07-31 | 電話機用スピ−カフオンの送受話回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6337748A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01272355A (ja) * | 1988-04-25 | 1989-10-31 | Matsushita Electric Works Ltd | ハンドフリーテレホン |
| JPH06152724A (ja) * | 1992-10-30 | 1994-05-31 | Sony Corp | 通話装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100596A (en) * | 1980-01-14 | 1981-08-12 | Victor Co Of Japan Ltd | Howling suppression control device |
| JPS583430A (ja) * | 1981-06-30 | 1983-01-10 | Nec Corp | まわり込信号抑圧装置 |
-
1986
- 1986-07-31 JP JP18159786A patent/JPS6337748A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56100596A (en) * | 1980-01-14 | 1981-08-12 | Victor Co Of Japan Ltd | Howling suppression control device |
| JPS583430A (ja) * | 1981-06-30 | 1983-01-10 | Nec Corp | まわり込信号抑圧装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01272355A (ja) * | 1988-04-25 | 1989-10-31 | Matsushita Electric Works Ltd | ハンドフリーテレホン |
| JPH06152724A (ja) * | 1992-10-30 | 1994-05-31 | Sony Corp | 通話装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355069B2 (fr) | 1991-08-22 |
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