JPS5251802A - Telephone amplifier circuit - Google Patents
Telephone amplifier circuitInfo
- Publication number
- JPS5251802A JPS5251802A JP50127298A JP12729875A JPS5251802A JP S5251802 A JPS5251802 A JP S5251802A JP 50127298 A JP50127298 A JP 50127298A JP 12729875 A JP12729875 A JP 12729875A JP S5251802 A JPS5251802 A JP S5251802A
- Authority
- JP
- Japan
- Prior art keywords
- amplifier circuit
- telephone amplifier
- telephone
- satisfy
- transmission
- 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.)
- Pending
Links
- 230000003321 amplification Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50127298A JPS5251802A (en) | 1975-10-24 | 1975-10-24 | Telephone amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50127298A JPS5251802A (en) | 1975-10-24 | 1975-10-24 | Telephone amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5251802A true JPS5251802A (en) | 1977-04-26 |
Family
ID=14956492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50127298A Pending JPS5251802A (en) | 1975-10-24 | 1975-10-24 | Telephone amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5251802A (ja) |
-
1975
- 1975-10-24 JP JP50127298A patent/JPS5251802A/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1423577A (en) | Loudspeaking telephone station circuit | |
| JPS51121239A (en) | An amplification circuit | |
| JPS5228842A (en) | Small signal amplification circuit | |
| JPS53129569A (en) | Power amplifier circuit | |
| JPS5394162A (en) | Power amplifier | |
| JPS5251802A (en) | Telephone amplifier circuit | |
| JPS5339811A (en) | High frequency amplifier circuit | |
| JPS5219051A (en) | Btl multipliication circuit | |
| JPS51123546A (en) | Power amplifier | |
| ES272140A1 (es) | Un dispositivo amplificador de energía para señales de banda lateral | |
| JPS5394164A (en) | Power amplifier | |
| JPS525241A (en) | Improvement of transient response characteristic of dc amplifier circu it | |
| JPS547813A (en) | Loss compensation circuit | |
| JPS5378708A (en) | Amplifier circuit | |
| JPS5217752A (en) | One end earthing type btl amplifier circuit | |
| JPS5331941A (en) | Direct-coupled amplifier | |
| JPS51113402A (en) | Receiving amplification circuit for telephone | |
| JPS5362403A (en) | Manual desk | |
| JPS5312216A (en) | Radio multiple direct repeater | |
| JPS52135653A (en) | Differential amplifier | |
| JPS51113406A (en) | Repeater | |
| JPS53142849A (en) | Differential amplifier | |
| JPS5245244A (en) | Push-pull amplifier circuit | |
| JPS52130554A (en) | Transistor circuit | |
| JPS525242A (en) | Amplifier circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040423 |
|
| A72 | Notification of change in name of applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A721 Effective date: 20040423 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20050921 |
|
| RD04 | Notification of resignation of power of attorney |
Effective date: 20050921 Free format text: JAPANESE INTERMEDIATE CODE: A7424 |
|
| A131 | Notification of reasons for refusal |
Effective date: 20070213 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070510 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070626 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070723 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100727 Year of fee payment: 3 |
|
| R150 | Certificate of patent (=grant) or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 3 Free format text: PAYMENT UNTIL: 20100727 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110727 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120727 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 6 Free format text: PAYMENT UNTIL: 20130727 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |