JPS58137351A - バツクアツプ電源検出回路 - Google Patents
バツクアツプ電源検出回路Info
- Publication number
- JPS58137351A JPS58137351A JP57020044A JP2004482A JPS58137351A JP S58137351 A JPS58137351 A JP S58137351A JP 57020044 A JP57020044 A JP 57020044A JP 2004482 A JP2004482 A JP 2004482A JP S58137351 A JPS58137351 A JP S58137351A
- Authority
- JP
- Japan
- Prior art keywords
- backup power
- redial
- power supply
- power source
- voltage
- 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
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
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
- H04M1/2725—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial using electronic memories
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57020044A JPS58137351A (ja) | 1982-02-10 | 1982-02-10 | バツクアツプ電源検出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57020044A JPS58137351A (ja) | 1982-02-10 | 1982-02-10 | バツクアツプ電源検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58137351A true JPS58137351A (ja) | 1983-08-15 |
JPS6357986B2 JPS6357986B2 (enrdf_load_stackoverflow) | 1988-11-14 |
Family
ID=12016052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57020044A Granted JPS58137351A (ja) | 1982-02-10 | 1982-02-10 | バツクアツプ電源検出回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58137351A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139057U (enrdf_load_stackoverflow) * | 1985-02-18 | 1986-08-28 | ||
JPS62299162A (ja) * | 1986-06-18 | 1987-12-26 | Rinnai Corp | 住宅用情報送信装置 |
JPS62299161A (ja) * | 1986-06-18 | 1987-12-26 | Rinnai Corp | 住宅用情報送信装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5368106A (en) * | 1976-11-30 | 1978-06-17 | Nec Corp | Automatic dialing unit |
-
1982
- 1982-02-10 JP JP57020044A patent/JPS58137351A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5368106A (en) * | 1976-11-30 | 1978-06-17 | Nec Corp | Automatic dialing unit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139057U (enrdf_load_stackoverflow) * | 1985-02-18 | 1986-08-28 | ||
JPS62299162A (ja) * | 1986-06-18 | 1987-12-26 | Rinnai Corp | 住宅用情報送信装置 |
JPS62299161A (ja) * | 1986-06-18 | 1987-12-26 | Rinnai Corp | 住宅用情報送信装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6357986B2 (enrdf_load_stackoverflow) | 1988-11-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5830783B2 (ja) | デンワ ニ カンスル カイリヨウ | |
US3914559A (en) | Universal PBX line circuit for key and non-key service | |
US3766325A (en) | Control circuits for key telephone system | |
US3670111A (en) | Repertory dialer telephone set with register storage of the digits | |
US4008380A (en) | Telephone conversion unit with multiple memory system | |
US3969592A (en) | Pushbutton-controlled call-number selector for dial-equipped telephone | |
JPS58137351A (ja) | バツクアツプ電源検出回路 | |
JP2881781B2 (ja) | Ic化されたダイヤラ回路 | |
US4731826A (en) | Mixed mode dialing system | |
US4167655A (en) | Push button to rotary dial converter systems | |
US3551605A (en) | Telephone call handling system with number display | |
US4223186A (en) | Circuit arrangement for line-supplied subscriber stations having dial devices | |
KR860000882B1 (ko) | 직통식 시외전화 도용방지장치 | |
JPH0124457B2 (enrdf_load_stackoverflow) | ||
US5317634A (en) | Telephone subset arrangement | |
EP0347164A2 (en) | Dialer semiconductor integrated circuit | |
US3689708A (en) | Step-by-step pulse transmitter | |
JPH0450787B2 (enrdf_load_stackoverflow) | ||
US4841568A (en) | Circuit arrangement for a telephone station with earth connection to the central supply device | |
KR810000765Y1 (ko) | 전화기의 푸시버튼식 다이얼 장치 | |
JPS6221096Y2 (enrdf_load_stackoverflow) | ||
KR910003756Y1 (ko) | 통화전 임의의 주의문이 청취되는 전화기 회로 | |
KR930004912B1 (ko) | 멜로디회로를 콘트롤하는 다이얼러회로와 그 콘트롤방법 | |
JPS60206355A (ja) | 保留機能付電話機 | |
JPS6211099Y2 (enrdf_load_stackoverflow) |