CA1036736A - Repeteur a frequence vocale auto-reglable - Google Patents
Repeteur a frequence vocale auto-reglableInfo
- Publication number
- CA1036736A CA1036736A CA255,888A CA255888A CA1036736A CA 1036736 A CA1036736 A CA 1036736A CA 255888 A CA255888 A CA 255888A CA 1036736 A CA1036736 A CA 1036736A
- Authority
- CA
- Canada
- Prior art keywords
- repeater
- dividing
- signal
- multiplying
- 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
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Radio Relay Systems (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA255,888A CA1036736A (fr) | 1976-06-28 | 1976-06-28 | Repeteur a frequence vocale auto-reglable |
| GB16198/77A GB1531691A (en) | 1976-06-28 | 1977-04-19 | Self-adjusting voice frequency repeater |
| NL7705061A NL7705061A (nl) | 1976-06-28 | 1977-05-09 | Spraak-frequentie-overdrager. |
| DE19772721035 DE2721035A1 (de) | 1976-06-28 | 1977-05-10 | Selbsteinstellender sprechfrequenzverstaerker |
| JP6803477A JPS532016A (en) | 1976-06-28 | 1977-06-10 | Automatic control audio frequency repeater |
| FR7719405A FR2357123A1 (fr) | 1976-06-28 | 1977-06-24 | Repeteur de frequence vocale auto-reglable |
| ES460180A ES460180A1 (es) | 1976-06-28 | 1977-06-28 | Perfeccionamientos en repetidores de frecuencia vocal y a- juste automatico. |
| SE7707460A SE7707460L (sv) | 1976-06-28 | 1977-06-28 | Sjelvjusterande rostfrekvensrepeterare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA255,888A CA1036736A (fr) | 1976-06-28 | 1976-06-28 | Repeteur a frequence vocale auto-reglable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1036736A true CA1036736A (fr) | 1978-08-15 |
Family
ID=4106308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA255,888A Expired CA1036736A (fr) | 1976-06-28 | 1976-06-28 | Repeteur a frequence vocale auto-reglable |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS532016A (fr) |
| CA (1) | CA1036736A (fr) |
| DE (1) | DE2721035A1 (fr) |
| ES (1) | ES460180A1 (fr) |
| FR (1) | FR2357123A1 (fr) |
| GB (1) | GB1531691A (fr) |
| NL (1) | NL7705061A (fr) |
| SE (1) | SE7707460L (fr) |
-
1976
- 1976-06-28 CA CA255,888A patent/CA1036736A/fr not_active Expired
-
1977
- 1977-04-19 GB GB16198/77A patent/GB1531691A/en not_active Expired
- 1977-05-09 NL NL7705061A patent/NL7705061A/xx not_active Application Discontinuation
- 1977-05-10 DE DE19772721035 patent/DE2721035A1/de active Pending
- 1977-06-10 JP JP6803477A patent/JPS532016A/ja active Pending
- 1977-06-24 FR FR7719405A patent/FR2357123A1/fr not_active Withdrawn
- 1977-06-28 ES ES460180A patent/ES460180A1/es not_active Expired
- 1977-06-28 SE SE7707460A patent/SE7707460L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2721035A1 (de) | 1978-01-12 |
| NL7705061A (nl) | 1977-12-30 |
| SE7707460L (sv) | 1977-12-29 |
| ES460180A1 (es) | 1978-05-16 |
| FR2357123A1 (fr) | 1978-01-27 |
| GB1531691A (en) | 1978-11-08 |
| JPS532016A (en) | 1978-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5481225A (en) | Variable gain differential amplifier circuit | |
| US4327319A (en) | Active power supply ripple filter | |
| EP0151532B1 (fr) | Atténuateur à diodes, commandé par tension | |
| US4306122A (en) | Telephone line circuit | |
| GB2071944A (en) | Gain control circuit | |
| US4796295A (en) | Telephone circuits | |
| US6483727B2 (en) | Stabilized DC power supply device | |
| US6028482A (en) | Wide dynamic range transimpedance amplifier circuit | |
| US4453038A (en) | Circuit arrangement for producing control means from line current | |
| US4479085A (en) | Power source circuit | |
| US4049928A (en) | Self-adjusting voice frequency repeater | |
| US3418592A (en) | Direct coupled amplifier with temperature compensating means | |
| CA1036736A (fr) | Repeteur a frequence vocale auto-reglable | |
| US4417198A (en) | Average responding RMS indicating type transducer | |
| US5050210A (en) | Metallic current limiter | |
| US5578958A (en) | Logarithmic amplifier | |
| GB1561279A (en) | Audio amplifier providing shunt voltage regulation | |
| EP0151619A1 (fr) | Circuit a deux fils ayant une portee reglable. | |
| JP3073122B2 (ja) | 可変減衰器 | |
| US5229720A (en) | Vca circuit | |
| US4531100A (en) | Amplifier suitable for low supply voltage operation | |
| US4580104A (en) | High voltage operational amplifier | |
| US4412189A (en) | Switchable signal compressor/signal expander | |
| US6969980B1 (en) | Noise-resistant pulse width modulator | |
| KR810001404B1 (ko) | 분로전압 조정을 할 수 있는 오디오 증폭기 |