JPH025349B2 - - Google Patents
Info
- Publication number
- JPH025349B2 JPH025349B2 JP18476181A JP18476181A JPH025349B2 JP H025349 B2 JPH025349 B2 JP H025349B2 JP 18476181 A JP18476181 A JP 18476181A JP 18476181 A JP18476181 A JP 18476181A JP H025349 B2 JPH025349 B2 JP H025349B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- amplifier
- circuit
- constant current
- line
- 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
- 238000009499 grossing Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001105 regulatory effect 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
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18476181A JPS5885660A (ja) | 1981-11-18 | 1981-11-18 | 受話器用増幅器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18476181A JPS5885660A (ja) | 1981-11-18 | 1981-11-18 | 受話器用増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5885660A JPS5885660A (ja) | 1983-05-23 |
JPH025349B2 true JPH025349B2 (sv) | 1990-02-01 |
Family
ID=16158863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18476181A Granted JPS5885660A (ja) | 1981-11-18 | 1981-11-18 | 受話器用増幅器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5885660A (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61163448U (sv) * | 1985-03-18 | 1986-10-09 |
-
1981
- 1981-11-18 JP JP18476181A patent/JPS5885660A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5885660A (ja) | 1983-05-23 |
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