JPH0238030B2 - - Google Patents
Info
- Publication number
- JPH0238030B2 JPH0238030B2 JP19641284A JP19641284A JPH0238030B2 JP H0238030 B2 JPH0238030 B2 JP H0238030B2 JP 19641284 A JP19641284 A JP 19641284A JP 19641284 A JP19641284 A JP 19641284A JP H0238030 B2 JPH0238030 B2 JP H0238030B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- answering machine
- dtmf
- filter
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005236 sound signal Effects 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19641284A JPS6173463A (ja) | 1984-09-19 | 1984-09-19 | 留守番電話装置のリモ−トコントロ−ル回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19641284A JPS6173463A (ja) | 1984-09-19 | 1984-09-19 | 留守番電話装置のリモ−トコントロ−ル回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6173463A JPS6173463A (ja) | 1986-04-15 |
JPH0238030B2 true JPH0238030B2 (de) | 1990-08-28 |
Family
ID=16357424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19641284A Granted JPS6173463A (ja) | 1984-09-19 | 1984-09-19 | 留守番電話装置のリモ−トコントロ−ル回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6173463A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0793658B2 (ja) * | 1987-05-29 | 1995-10-09 | 日本電気株式会社 | 信号送受信装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5247306A (en) * | 1975-10-13 | 1977-04-15 | Takachiho Tsushin Kiki Seisakusho:Kk | Remote control signal control system of automatic telephone answering equipment |
-
1984
- 1984-09-19 JP JP19641284A patent/JPS6173463A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6173463A (ja) | 1986-04-15 |
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