JPS60232757A - 留守番電話装置のリモ−ト信号検出回路 - Google Patents
留守番電話装置のリモ−ト信号検出回路Info
- Publication number
- JPS60232757A JPS60232757A JP8616284A JP8616284A JPS60232757A JP S60232757 A JPS60232757 A JP S60232757A JP 8616284 A JP8616284 A JP 8616284A JP 8616284 A JP8616284 A JP 8616284A JP S60232757 A JPS60232757 A JP S60232757A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- amplifier
- output
- signal
- variable gain
- 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
- 238000001514 detection method Methods 0.000 claims description 28
- 238000007493 shaping process Methods 0.000 claims 2
- 230000005236 sound signal Effects 0.000 abstract description 7
- 229920006395 saturated elastomer Polymers 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract 1
- 230000004044 response Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 102100031437 Cell cycle checkpoint protein RAD1 Human genes 0.000 description 1
- 101001130384 Homo sapiens Cell cycle checkpoint protein RAD1 Proteins 0.000 description 1
- 101000744152 Naja oxiana Cytotoxin 2 Proteins 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/652—Means for playing back the recorded messages by remote control over a telephone line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8616284A JPS60232757A (ja) | 1984-05-01 | 1984-05-01 | 留守番電話装置のリモ−ト信号検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8616284A JPS60232757A (ja) | 1984-05-01 | 1984-05-01 | 留守番電話装置のリモ−ト信号検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60232757A true JPS60232757A (ja) | 1985-11-19 |
| JPH0218787B2 JPH0218787B2 (enrdf_load_stackoverflow) | 1990-04-26 |
Family
ID=13879047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8616284A Granted JPS60232757A (ja) | 1984-05-01 | 1984-05-01 | 留守番電話装置のリモ−ト信号検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60232757A (enrdf_load_stackoverflow) |
-
1984
- 1984-05-01 JP JP8616284A patent/JPS60232757A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218787B2 (enrdf_load_stackoverflow) | 1990-04-26 |
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