DE3229437C2 - - Google Patents
Info
- Publication number
- DE3229437C2 DE3229437C2 DE3229437A DE3229437A DE3229437C2 DE 3229437 C2 DE3229437 C2 DE 3229437C2 DE 3229437 A DE3229437 A DE 3229437A DE 3229437 A DE3229437 A DE 3229437A DE 3229437 C2 DE3229437 C2 DE 3229437C2
- Authority
- DE
- Germany
- Prior art keywords
- semiconductor circuit
- transistor
- electrode
- circuit element
- emitting
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23646/81A IT1168164B (it) | 1981-08-26 | 1981-08-26 | Stadio finale a ponte per un aplificatore audio di ricezione |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3229437A1 DE3229437A1 (de) | 1983-03-10 |
DE3229437C2 true DE3229437C2 (US20110009641A1-20110113-C00185.png) | 1987-09-24 |
Family
ID=11208854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823229437 Granted DE3229437A1 (de) | 1981-08-26 | 1982-08-06 | Brueckenendstufe fuer einen tonfrequenz-empfangsverstaerker |
Country Status (7)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1206216A (en) * | 1984-01-24 | 1986-06-17 | Russell W. Brown | Audio amplifier output stage |
IT1213158B (it) * | 1984-04-20 | 1989-12-14 | Ates Componenti Elettron | Circuito di controllo dell'accensione per amplificatore audio. |
IT1188335B (it) * | 1986-02-06 | 1988-01-07 | Sgs Microelettronica Spa | Dispositivo di controllo in retroazione per lo spegnimento di un transistore |
DE3643869C1 (de) * | 1986-12-22 | 1988-09-08 | Vdo Schindling | Schaltungsanordnung zur UEberwachung einer Brueckenendstufe |
US6315049B1 (en) * | 1998-10-07 | 2001-11-13 | Baker Hughes Incorporated | Multiple line hydraulic system flush valve and method of use |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1189589B (de) * | 1963-11-12 | 1965-03-25 | Philips Nv | Transistorgegentaktschaltungsanordnung |
US3332029A (en) * | 1964-04-20 | 1967-07-18 | Whirlpool Co | Bidirectional direct current transistor amplifier |
GB1467059A (en) * | 1973-05-24 | 1977-03-16 | Rca Corp | Stabilized amplifier |
DE2807304C2 (de) * | 1978-02-21 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zum Verstärken eines in einer aus einer Teilnehmeranschlußleitung gespeisten Endstelle einer Fernmeldeanlage erzeugten Signals |
SU771785A1 (ru) * | 1978-05-17 | 1980-10-15 | Предприятие П/Я В-8708 | Усилитель |
SE417048B (sv) * | 1979-05-04 | 1981-02-16 | Ericsson Telefon Ab L M | Balanserat forsterkarutgangssteg |
-
1981
- 1981-08-26 IT IT23646/81A patent/IT1168164B/it active
-
1982
- 1982-08-06 DE DE19823229437 patent/DE3229437A1/de active Granted
- 1982-08-13 US US06/407,785 patent/US4502016A/en not_active Expired - Lifetime
- 1982-08-20 GB GB08223976A patent/GB2107146B/en not_active Expired
- 1982-08-23 JP JP57144883A patent/JPS5846706A/ja active Granted
- 1982-08-24 SE SE8204839A patent/SE452682B/sv not_active IP Right Cessation
- 1982-08-25 FR FR8214565A patent/FR2512299B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS632487B2 (US20110009641A1-20110113-C00185.png) | 1988-01-19 |
GB2107146B (en) | 1985-01-09 |
DE3229437A1 (de) | 1983-03-10 |
FR2512299A1 (fr) | 1983-03-04 |
SE452682B (sv) | 1987-12-07 |
SE8204839D0 (sv) | 1982-08-24 |
GB2107146A (en) | 1983-04-20 |
IT1168164B (it) | 1987-05-20 |
IT8123646A0 (it) | 1981-08-26 |
US4502016A (en) | 1985-02-26 |
JPS5846706A (ja) | 1983-03-18 |
FR2512299B1 (fr) | 1986-12-26 |
SE8204839L (sv) | 1983-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: SCHMITT-NILSON, G., DIPL.-ING. DR.-ING. HIRSCH, P. |
|
8110 | Request for examination paragraph 44 | ||
8128 | New person/name/address of the agent |
Representative=s name: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON |
|
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |