CH551728A - Circuit de protection d'un haut-parleur. - Google Patents

Circuit de protection d'un haut-parleur.

Info

Publication number: CH551728A
Authority: CH; Switzerland
Prior art keywords: protection circuit; speaker protection; speaker; circuit; protection
Prior art date: 1971-04-16

Application number

CH492972A

Other languages

English (en)

Original Assignee

Stanton Magnetics

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.)

1971-04-16

Filing date

1972-04-04

Publication date

1974-07-15

1972-04-04 Application filed by Stanton Magnetics filed Critical Stanton Magnetics

1974-07-15 Publication of CH551728A publication Critical patent/CH551728A/fr

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Circuit For Audible Band Transducer (AREA)
Protection Of Static Devices (AREA)

CH492972A 1971-04-16 1972-04-04 Circuit de protection d'un haut-parleur. CH551728A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13470371A	1971-04-16	1971-04-16

Publications (1)

Publication Number	Publication Date
CH551728A true CH551728A (fr)	1974-07-15

Family

ID=22464585

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH492972A CH551728A (fr)	1971-04-16	1972-04-04	Circuit de protection d'un haut-parleur.

Country Status (9)

Country	Link
US (1)	US3686511A (fr)
BE (1)	BE781432A (fr)
CA (1)	CA931513A (fr)
CH (1)	CH551728A (fr)
DE (1)	DE2217523A1 (fr)
FR (1)	FR2133639B1 (fr)
GB (1)	GB1380151A (fr)
IT (1)	IT957276B (fr)
NL (1)	NL7204045A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50117735U (fr) *	1974-03-10	1975-09-26
DE2415816C3 (de) *	1974-04-01	1981-10-29	Arndt 7500 Karlsruhe Klingenberg	Verfahren zur Begrenzung der maximalen Belastung von elektroakustischen Wandlersystemen
JPS5177828A (ja) *	1974-12-27	1976-07-06	Matsushita Electric Ind Co Ltd	Ijokodenatsuyokuseikairo
DE2641079C3 (de) *	1976-09-11	1986-07-31	Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover	Lautsprecherschaltung
WO1980002477A1 (fr) *	1979-05-08	1980-11-13	Fortieth Benelux Nominees Pty	Dispositif ou circuit de protection pour haut-parleurs
US4242713A (en) *	1979-10-25	1980-12-30	Goodrich Edward W	Triac output asymmetry detector
US4406921A (en) *	1981-06-15	1983-09-27	Electro Audio Dynamics, Inc.	Apparatus for improving linearity of electromechanical transducers
US4410924A (en) *	1981-09-10	1983-10-18	The Gorman-Rupp Company	Motor protection control circuit
GB2120903B (en) *	1982-05-28	1986-02-26	British Broadcasting Corp	Headphone level protection circuit
FI933069A (fi) *	1993-07-02	1995-01-03	Nokia Telecommunications Oy	Menetelmä ja laitteisto sähköisen piirin suojaamiseksi
US20080044045A1 (en) *	2006-08-15	2008-02-21	Dobbs-Stanford Corporation	Externally fused speaker terminal cup

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3215896A (en) *	1962-10-04	1965-11-02	Gen Electric	Fast response overload protection circuit
US3317792A (en) *	1964-03-20	1967-05-02	Westinghouse Electric Corp	Load protection circuit
GB1110123A (en) *	1965-04-26	1968-04-18	Stone J & Co Ltd	Improvements relating to the protection of semi-conductor apparatus
US3549808A (en) *	1967-10-09	1970-12-22	Marantz Co	Protective circuit for speaker windings
DE1762472C3 (de) *	1968-06-22	1975-03-06	Grundig, E.M.V.-Elektro-Mechanische Versuchsanstalt-Max Grundig, 8510 Fuerth	Überlastungsschutzschaltung für die Transistoren eines mit einer eisenlosen Gegentaktstufe versehenen Verstärkers

1971
- 1971-04-16 US US134703A patent/US3686511A/en not_active Expired - Lifetime
1972
- 1972-03-14 CA CA137046A patent/CA931513A/en not_active Expired
- 1972-03-21 GB GB1325672A patent/GB1380151A/en not_active Expired
- 1972-03-27 NL NL7204045A patent/NL7204045A/xx unknown
- 1972-03-29 BE BE781432A patent/BE781432A/fr unknown
- 1972-04-04 CH CH492972A patent/CH551728A/fr not_active IP Right Cessation
- 1972-04-12 DE DE19722217523 patent/DE2217523A1/de not_active Ceased
- 1972-04-12 FR FR7212757A patent/FR2133639B1/fr not_active Expired
- 1972-04-15 IT IT9445/72A patent/IT957276B/it active

Also Published As

Publication number	Publication date
US3686511A (en)	1972-08-22
FR2133639A1 (fr)	1972-12-01
NL7204045A (fr)	1972-10-18
FR2133639B1 (fr)	1978-05-26
IT957276B (it)	1973-10-10
GB1380151A (en)	1975-01-08
BE781432A (fr)	1972-09-29
DE2217523A1 (de)	1972-10-26
CA931513A (en)	1973-08-07

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Legal Events

Date	Code	Title	Description
1978-12-15	PL	Patent ceased