JPS6362937B2 - - Google Patents
Info
- Publication number
- JPS6362937B2 JPS6362937B2 JP12077083A JP12077083A JPS6362937B2 JP S6362937 B2 JPS6362937 B2 JP S6362937B2 JP 12077083 A JP12077083 A JP 12077083A JP 12077083 A JP12077083 A JP 12077083A JP S6362937 B2 JPS6362937 B2 JP S6362937B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- dial
- circuit
- counter
- tone
- 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
- 238000012790 confirmation Methods 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 1
- 230000004044 response 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
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12077083A JPS6012843A (ja) | 1983-07-02 | 1983-07-02 | 加入者電話機におけるダイヤル確認音発生回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12077083A JPS6012843A (ja) | 1983-07-02 | 1983-07-02 | 加入者電話機におけるダイヤル確認音発生回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6012843A JPS6012843A (ja) | 1985-01-23 |
JPS6362937B2 true JPS6362937B2 (en]) | 1988-12-05 |
Family
ID=14794569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12077083A Granted JPS6012843A (ja) | 1983-07-02 | 1983-07-02 | 加入者電話機におけるダイヤル確認音発生回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6012843A (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61258553A (ja) * | 1985-05-13 | 1986-11-15 | Ricoh Co Ltd | 周波数信号発生装置 |
JPS6386945A (ja) * | 1986-09-30 | 1988-04-18 | Toshiba Corp | キ−入力確認音発生装置 |
JPS63276349A (ja) * | 1987-05-07 | 1988-11-14 | Rohm Co Ltd | ダイヤラのポ−ズ動作表示回路 |
JPH01311745A (ja) * | 1988-06-10 | 1989-12-15 | Fujitsu Ltd | ダイヤル信号送出装置 |
-
1983
- 1983-07-02 JP JP12077083A patent/JPS6012843A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6012843A (ja) | 1985-01-23 |
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