JPH0357669B2 - - Google Patents
Info
- Publication number
- JPH0357669B2 JPH0357669B2 JP59056170A JP5617084A JPH0357669B2 JP H0357669 B2 JPH0357669 B2 JP H0357669B2 JP 59056170 A JP59056170 A JP 59056170A JP 5617084 A JP5617084 A JP 5617084A JP H0357669 B2 JPH0357669 B2 JP H0357669B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- hold
- speaker
- output
- call
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59056170A JPS60200677A (ja) | 1984-03-26 | 1984-03-26 | 保留音送出機能付電話機回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59056170A JPS60200677A (ja) | 1984-03-26 | 1984-03-26 | 保留音送出機能付電話機回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60200677A JPS60200677A (ja) | 1985-10-11 |
JPH0357669B2 true JPH0357669B2 (en]) | 1991-09-02 |
Family
ID=13019621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59056170A Granted JPS60200677A (ja) | 1984-03-26 | 1984-03-26 | 保留音送出機能付電話機回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60200677A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455115A (en) * | 1987-10-09 | 1989-03-02 | Komatsu Zenoa Kk | Apparatus for supporting cutter-fixing shaft of mower |
JP2841385B2 (ja) * | 1988-09-30 | 1998-12-24 | 日本電気株式会社 | 受話回路 |
-
1984
- 1984-03-26 JP JP59056170A patent/JPS60200677A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60200677A (ja) | 1985-10-11 |
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