ES467264A1 - Disposicion de conexion para la regulacion electronica de amplificacion en aparatos de la tecnica de las comunicacio- nes,especialmente en aparatos de telefonia - Google Patents

Disposicion de conexion para la regulacion electronica de amplificacion en aparatos de la tecnica de las comunicacio- nes,especialmente en aparatos de telefonia

Info

Publication number: ES467264A1
Authority: ES; Spain
Prior art keywords: transistor; current; amplification control; voltage supply; circuit including
Prior art date: 1977-02-24
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

Application number

ES467264A

Other languages

English (en)

Spanish (es)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Licentia Patent Verwaltungs GmbH

Original Assignee

Licentia Patent Verwaltungs GmbH

Priority date (The priority date 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 date listed.)

1977-02-24

Filing date

1978-02-23

Publication date

1980-02-01

1978-02-23 Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH

1980-02-01 Publication of ES467264A1 publication Critical patent/ES467264A1/es

Status Expired legal-status Critical Current

Links

230000003321 amplification Effects 0.000 title abstract 3
238000003199 nucleic acid amplification method Methods 0.000 title abstract 3
230000008878 coupling Effects 0.000 title abstract 2
238000010168 coupling process Methods 0.000 title abstract 2
238000005859 coupling reaction Methods 0.000 title abstract 2
239000004065 semiconductor Substances 0.000 title abstract 2
230000004048 modification Effects 0.000 abstract 1
238000012986 modification 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
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Amplifiers (AREA)
Control Of Electrical Variables (AREA)
Control Of Amplification And Gain Control (AREA)

ES467264A 1977-02-24 1978-02-23 Disposicion de conexion para la regulacion electronica de amplificacion en aparatos de la tecnica de las comunicacio- nes,especialmente en aparatos de telefonia Expired ES467264A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2707870A DE2707870C2 (de)	1977-02-24	1977-02-24	Schaltungsanordnung zur Verstärkungssteuerung

Publications (1)

Publication Number	Publication Date
ES467264A1 true ES467264A1 (es)	1980-02-01

Family

ID=6001999

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES467264A Expired ES467264A1 (es)	1977-02-24	1978-02-23	Disposicion de conexion para la regulacion electronica de amplificacion en aparatos de la tecnica de las comunicacio- nes,especialmente en aparatos de telefonia

Country Status (8)

Country	Link
BE (1)	BE864142A (de)
DE (1)	DE2707870C2 (de)
DK (1)	DK82278A (de)
ES (1)	ES467264A1 (de)
FR (1)	FR2382131A1 (de)
IT (1)	IT1094218B (de)
LU (1)	LU79109A1 (de)
NL (1)	NL7802048A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3002311A (en) *	1960-03-09	1961-10-03	James G Kyper	Fishing lure
DE2946305A1 (de) *	1979-11-16	1981-05-21	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Impedanzschaltung mit steuerbarem widerstandswert
DE3116262A1 (de) *	1981-04-24	1982-11-11	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	"schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom"
US4506113A (en) *	1982-03-04	1985-03-19	International Standard Electric Corporation	Waveform clipping circuits
DE3235686A1 (de) *	1982-03-15	1983-09-22	Wilfred E. Zürich Schönmann	Gegenstrom-waermetauscher mit kippbarem register
DE3329665A1 (de) *	1983-08-17	1985-03-07	Telefunken electronic GmbH, 7100 Heilbronn	Schaltungsanordnung zur verstaerkung elektrischer signale
GB8702730D0 (en) *	1987-02-06	1987-03-11	Shaffer A E	Weedless fish lure
US5195268A (en) *	1991-11-21	1993-03-23	Ellis Gregory T	Weedless hook for lures
US5218778A (en) *	1992-05-28	1993-06-15	Szantor Alfons J	Fishing lure
DE102004004862B4 (de) *	2004-01-30	2010-04-08	Infineon Technologies Ag	Integrierte Halbleiterdiodenanordnung und integriertes Halbleiterbauteil

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1911547A1 (de) *	1969-03-07	1970-09-24	Blaupunkt Werke Gmbh	Regelbarer Wechselspannungsverstaerker
DE2308835C3 (de) *	1972-03-02	1986-03-27	Sony Corp., Tokio/Tokyo	Regelbarer Verstärker für elektrische Signale
US3873933A (en) *	1973-11-08	1975-03-25	Rca Corp	Circuit with adjustable gain current mirror amplifier
DE2402801C2 (de) *	1974-01-22	1982-08-05	Robert Bosch Gmbh, 7000 Stuttgart	Transistor-Hörgeräteverstärker mit automatischer Verstärkungsregelung
NL7414217A (nl) *	1974-10-31	1976-05-04	Philips Nv	Versterker met signaalniveauregeling.

1977
- 1977-02-24 DE DE2707870A patent/DE2707870C2/de not_active Expired
1978
- 1978-02-21 BE BE185324A patent/BE864142A/xx not_active IP Right Cessation
- 1978-02-21 IT IT20494/78A patent/IT1094218B/it active
- 1978-02-22 LU LU79109A patent/LU79109A1/de unknown
- 1978-02-23 ES ES467264A patent/ES467264A1/es not_active Expired
- 1978-02-23 NL NL7802048A patent/NL7802048A/xx not_active Application Discontinuation
- 1978-02-23 DK DK82278A patent/DK82278A/da unknown
- 1978-02-24 FR FR7805437A patent/FR2382131A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
IT7820494A0 (it)	1978-02-21
FR2382131A1 (fr)	1978-09-22
DE2707870C2 (de)	1983-04-28
DE2707870A1 (de)	1978-08-31
NL7802048A (nl)	1978-08-28
LU79109A1 (de)	1978-06-27
IT1094218B (it)	1985-07-26
BE864142A (fr)	1978-06-16
DK82278A (da)	1978-08-25

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