FR2172639A5 - - Google Patents

Info

Publication number: FR2172639A5
Authority: FR; France
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

FR7240088A

Other languages

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.)

Elektroakusztikai Gyar

Original Assignee

Elektroakusztikai Gyar

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.)

1972-02-15

Filing date

1972-11-10

Publication date

1973-09-28

1972-11-10 Application filed by Elektroakusztikai Gyar filed Critical Elektroakusztikai Gyar

1973-09-28 Application granted granted Critical

1973-09-28 Publication of FR2172639A5 publication Critical patent/FR2172639A5/fr

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/025—Equalizers; Volume or gain control in limited frequency bands
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices

FR7240088A 1972-02-15 1972-11-10 Expired FR2172639A5 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
HUEE2004A HU163256B (en)	1972-02-15	1972-02-15

Publications (1)

Publication Number	Publication Date
FR2172639A5 true FR2172639A5 (en)	1973-09-28

Family

ID=10995426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7240088A Expired FR2172639A5 (en)	1972-02-15	1972-11-10

Country Status (13)

Country	Link
US (1)	US3816661A (en)
AT (1)	AT341581B (en)
BG (1)	BG20834A3 (en)
CA (1)	CA983402A (en)
CS (1)	CS188885B2 (en)
DD (1)	DD98404A5 (en)
DE (1)	DE2243608A1 (en)
FR (1)	FR2172639A5 (en)
GB (1)	GB1410380A (en)
HU (1)	HU163256B (en)
PL (1)	PL84703B1 (en)
SE (1)	SE375420B (en)
SU (3)	SU635903A3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2511098C2 (en) *	1975-03-13	1983-01-05	Siemens AG, 1000 Berlin und 8000 München	Circuit arrangement for decoding a frequency-modulated stereo broadcast signal
US3980965A (en) *	1975-05-16	1976-09-14	Rockwell International Corporation	Frequency response control circuit apparatus
JPS5340257A (en) *	1976-09-25	1978-04-12	Nippon Gakki Seizo Kk	Tone control circuit
DE2739194C2 (en) *	1977-08-31	1982-10-21	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Circuit arrangement with an LF amplifier and a tone color setting arrangement for the high tones connected to its LF input
JPS56132804A (en) *	1980-03-22	1981-10-17	Sharp Corp	Operational tone quality control circuit
IL61198A (en) *	1980-10-03	1982-08-31	Dohan David	Amplification method for a stereo system and an arrangement for carrying out this method
US4538298A (en) *	1982-09-29	1985-08-27	Bose Corporation	Fixed bandpass tone controlling
JPH0241934Y2 (en) *	1984-10-15	1990-11-08
JPH0712133B2 (en) *	1988-10-21	1995-02-08	三菱電機株式会社	Sound quality adjustment device
US5994956A (en) *	1998-05-06	1999-11-30	Concorso; James A.	Inductive-capacitive feedback compensation for amplifier systems
US6078215A (en) *	1998-07-20	2000-06-20	Fiori, Jr.; David	Impedance altering apparatus
US20080111607A1 (en) *	2006-11-10	2008-05-15	Hart Robert T	Amplitude-linear differential phase shift circuit

1972
- 1972-02-15 HU HUEE2004A patent/HU163256B/hu not_active IP Right Cessation
- 1972-08-31 AT AT750972A patent/AT341581B/en active
- 1972-09-05 CA CA150,987A patent/CA983402A/en not_active Expired
- 1972-09-05 DE DE2243608A patent/DE2243608A1/en active Pending
- 1972-09-06 US US00286680A patent/US3816661A/en not_active Expired - Lifetime
- 1972-09-07 DD DD165510A patent/DD98404A5/xx unknown
- 1972-09-19 BG BG21404A patent/BG20834A3/xx unknown
- 1972-11-09 CS CS727577A patent/CS188885B2/en unknown
- 1972-11-10 FR FR7240088A patent/FR2172639A5/fr not_active Expired
- 1972-11-16 SE SE7214920A patent/SE375420B/xx unknown
- 1972-12-14 GB GB5785872A patent/GB1410380A/en not_active Expired
- 1972-12-28 PL PL1972159848A patent/PL84703B1/en unknown
1973
- 1973-01-30 SU SU731879993A patent/SU635903A3/en active
1975
- 1975-03-11 SU SU7502112327A patent/SU580854A3/en active
- 1975-03-13 SU SU752112448A patent/SU593678A3/en active

Also Published As

Publication number	Publication date
CS188885B2 (en)	1979-03-30
SU580854A3 (en)	1977-11-15
CA983402A (en)	1976-02-10
DE2243608A1 (en)	1973-10-11
SU593678A3 (en)	1978-02-15
SE375420B (en)	1975-04-14
AT341581B (en)	1978-02-10
HU163256B (en)	1973-07-28
DD98404A5 (en)	1973-06-12
ATA750972A (en)	1977-06-15
PL84703B1 (en)	1976-04-30
GB1410380A (en)	1975-10-15
SU635903A3 (en)	1978-11-30
BG20834A3 (en)	1975-12-20
US3816661A (en)	1974-06-11

Legal Events

Date	Code	Title	Description
1982-09-17	ST	Notification of lapse

Publication	Publication Date	Title
AU465394B2 (en)	1975-09-25
FR2172639A5 (en)	1973-09-28
CS157609B2 (en)	1974-09-16
JPS4929168A (en)	1974-03-15
JPS4966794A (en)	1974-06-28
JPS494937U (en)	1974-01-17
JPS4873343A (en)	1973-10-03
JPS5236550Y2 (en)	1977-08-19
CS155576B1 (en)	1974-05-30
CS157575B1 (en)	1974-09-16
CS153140B1 (en)	1974-02-25
JPS4918585U (en)	1974-02-16
JPS4912617U (en)	1974-02-02
JPS4987183A (en)	1974-08-21
JPS4886354U (en)	1973-10-19
CS153171B1 (en)	1974-02-25
JPS48105898U (en)	1973-12-08
FR2183781A1 (en)	1973-12-21
CS153392B1 (en)	1974-02-25
CS158033B1 (en)	1974-10-15
CS156918B1 (en)	1974-08-23
CH602842A5 (en)	1978-08-15
CH590301A5 (en)	1977-08-15
CH589888B5 (en)	1977-07-29
DD101956A1 (en)	1973-11-20