BE723472A - - Google Patents

Info

Publication number: BE723472A
Authority: BE; Belgium

Application number

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.)

1967-11-06

Filing date

1968-11-06

Publication date

1969-05-06

1968-11-06 Application filed filed Critical

1969-05-06 Publication of BE723472A publication Critical patent/BE723472A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
- H04B3/12—Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Amplifiers (AREA)

BE723472D 1967-11-06 1968-11-06 BE723472A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6715068A NL148461B (en)	1967-11-06	1967-11-06	DEVICE WITH A TRANSISTOR AMPLIFIER CONTAINING AN INPUT AMPLIFIER STAGE AND A POWER AMPLIFIER STAGE.

Publications (1)

Publication Number	Publication Date
BE723472A true BE723472A (en)	1969-05-06

Family

ID=19801654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE723472D BE723472A (en)	1967-11-06	1968-11-06

Country Status (11)

Country	Link
AT (1)	AT290621B (en)
BE (1)	BE723472A (en)
BR (1)	BR6803695D0 (en)
CH (1)	CH489955A (en)
DE (1)	DE1804434C3 (en)
DK (1)	DK137058B (en)
ES (1)	ES359862A1 (en)
FR (1)	FR1591292A (en)
GB (1)	GB1182764A (en)
NL (1)	NL148461B (en)
SE (1)	SE356412B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL162278C (en) *	1971-03-27	1980-04-15	Philips Nv	LINE AMPLIFIER.
NL165619C (en) *	1972-03-17	1981-04-15	Philips Nv	TRANSISTORIZED LINE AMPLIFIER FOR BROADBAND INFORMATION SIGNALS.
DE3427687A1 (en) *	1984-07-27	1986-02-06	Wilfried 2303 Neuwittenbek Kort	Transistor sound amplifier circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1160013B (en) *	1960-05-30	1963-12-27	Philips Nv	Counter-coupled transistor amplifier
US3134080A (en) *	1962-10-29	1964-05-19	Northern Electric Co	Hybrid feedback amplifier

1967
- 1967-11-06 NL NL6715068A patent/NL148461B/en not_active IP Right Cessation
1968
- 1968-10-22 DE DE19681804434 patent/DE1804434C3/en not_active Expired
- 1968-11-01 GB GB5183568A patent/GB1182764A/en not_active Expired
- 1968-11-04 DK DK535168A patent/DK137058B/en not_active IP Right Cessation
- 1968-11-04 CH CH1637768A patent/CH489955A/en not_active IP Right Cessation
- 1968-11-04 ES ES359862A patent/ES359862A1/en not_active Expired
- 1968-11-04 SE SE1493368A patent/SE356412B/xx unknown
- 1968-11-04 AT AT1068468A patent/AT290621B/en not_active IP Right Cessation
- 1968-11-04 BR BR20369568A patent/BR6803695D0/en unknown
- 1968-11-06 FR FR1591292D patent/FR1591292A/fr not_active Expired
- 1968-11-06 BE BE723472D patent/BE723472A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE1804434B2 (en)	1975-11-27
NL148461B (en)	1976-01-15
NL6715068A (en)	1969-05-08
DE1804434A1 (en)	1969-06-04
ES359862A1 (en)	1970-06-16
GB1182764A (en)	1970-03-04
CH489955A (en)	1970-04-30
AT290621B (en)	1971-06-11
DK137058C (en)	1978-06-12
BR6803695D0 (en)	1973-02-27
DE1804434C3 (en)	1981-11-05
SE356412B (en)	1973-05-21
FR1591292A (en)	1970-04-27
DK137058B (en)	1978-01-09

Publication	Publication Date	Title
AT298283B (en)	1972-03-15
AU2277767A (en)	1968-12-12
AU2116667A (en)	1969-04-03
AU2528767A (en)	1970-01-08
AU1273466A (en)	1969-04-24
AU2454867A (en)	1969-01-16
AU2256867A (en)	1968-12-05
BE707510A (en)	1968-04-16
BE692778A (en)	1967-07-03
AU1763766A (en)	1968-08-15
AU1677166A (en)	1968-07-25
AU23366A (en)	1968-07-11
AU2406369A (en)	1969-01-09
AU1614766A (en)	1968-07-11
AU25066A (en)	1968-07-11
BE711171A (en)	1968-07-01
BE710504A (en)	1968-06-17
BE709944A (en)	1968-07-26
BE709875A (en)	1968-07-25
BE477645A (en)
BE709241A (en)	1968-07-11
BE708861A (en)	1968-07-02
BE708173A (en)	1968-06-18
BE707676A (en)	1968-04-16
BE483855A (en)

Legal Events

Date	Code	Title	Description
1987-05-31	RE	Patent lapsed	Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19861130
1988-05-31	RE	Patent lapsed	Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19871130

Date

Code

Title

Description

1987-05-31

Patent lapsed

Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN

Effective date: 19861130

1988-05-31