JPH0213988B2 - - Google Patents
Info
- Publication number
- JPH0213988B2 JPH0213988B2 JP59006550A JP655084A JPH0213988B2 JP H0213988 B2 JPH0213988 B2 JP H0213988B2 JP 59006550 A JP59006550 A JP 59006550A JP 655084 A JP655084 A JP 655084A JP H0213988 B2 JPH0213988 B2 JP H0213988B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- battery
- switch
- constant 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method 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
- H04M1/71—Substation extension arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59006550A JPS60150364A (ja) | 1984-01-18 | 1984-01-18 | 電話装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59006550A JPS60150364A (ja) | 1984-01-18 | 1984-01-18 | 電話装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60150364A JPS60150364A (ja) | 1985-08-08 |
JPH0213988B2 true JPH0213988B2 (en, 2012) | 1990-04-05 |
Family
ID=11641435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59006550A Granted JPS60150364A (ja) | 1984-01-18 | 1984-01-18 | 電話装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60150364A (en, 2012) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6383853U (en, 2012) * | 1986-11-20 | 1988-06-01 | ||
AU614454B2 (en) * | 1989-02-09 | 1991-08-29 | Alcatel Australia Limited | A circuit arrangement for providing power for an ic chip in a telephone subset |
JPH03208452A (ja) * | 1990-01-11 | 1991-09-11 | Nippon Telegr & Teleph Corp <Ntt> | 電話用送受話増幅回路 |
JP7181502B2 (ja) * | 2018-09-27 | 2022-12-01 | サクサ株式会社 | 非常電話装置 |
-
1984
- 1984-01-18 JP JP59006550A patent/JPS60150364A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60150364A (ja) | 1985-08-08 |
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