CH527537A - Schallwandler mit mindestens einem Schwingungssystem - Google Patents

Schallwandler mit mindestens einem Schwingungssystem

Info

Publication number: CH527537A
Authority: CH; Switzerland
Prior art keywords: vibration system; sound transducer; transducer; sound; vibration
Prior art date: 1969-09-18

Application number

CH1369470A

Other languages

English (en)

Inventor

Valentinus Franssen Nico

Original Assignee

Philips Nv

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.)

1969-09-18

Filing date

1970-09-15

Publication date

1972-08-31

1970-09-15 Application filed by Philips Nv filed Critical Philips Nv

1972-08-31 Publication of CH527537A publication Critical patent/CH527537A/de

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

CH1369470A 1969-09-18 1970-09-15 Schallwandler mit mindestens einem Schwingungssystem CH527537A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6914204A NL6914204A (de)	1969-09-18	1969-09-18

Publications (1)

Publication Number	Publication Date
CH527537A true CH527537A (de)	1972-08-31

Family

ID=19807933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1369470A CH527537A (de)	1969-09-18	1970-09-15	Schallwandler mit mindestens einem Schwingungssystem

Country Status (7)

Country	Link
US (1)	US3685609A (de)
JP (1)	JPS511123B1 (de)
CH (1)	CH527537A (de)
DE (1)	DE2043319B2 (de)
FR (1)	FR2061790B3 (de)
GB (1)	GB1328538A (de)
NL (1)	NL6914204A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1592246A (en) *	1976-09-23	1981-07-01	Isaac T P	Sound projection system
US4903308A (en) *	1988-02-10	1990-02-20	Linaeum Corporation	Audio transducer with controlled flexibility diaphragm
US5198624A (en) *	1988-02-10	1993-03-30	Linaeum Corporation	Audio transducer with controlled flexibility diaphragm
US6061461A (en) *	1998-05-08	2000-05-09	Paddock; Paul W.	Audio transducer
KR101975022B1 (ko) *	2018-03-07	2019-05-03	한국기계연구원	지향성 음향 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1810708A (en) *	1929-01-09	1931-06-16	Echodon Inc	Method of and apparatus for amplifying and projecting sound waves
US2956636A (en) *	1956-06-11	1960-10-18	Sipko L Boersma	Loudspeaker

1969
- 1969-09-18 NL NL6914204A patent/NL6914204A/xx unknown
1970
- 1970-09-01 DE DE19702043319 patent/DE2043319B2/de not_active Withdrawn
- 1970-09-03 US US69269A patent/US3685609A/en not_active Expired - Lifetime
- 1970-09-15 CH CH1369470A patent/CH527537A/de not_active IP Right Cessation
- 1970-09-15 GB GB4401770A patent/GB1328538A/en not_active Expired
- 1970-09-16 JP JP45080870A patent/JPS511123B1/ja active Pending
- 1970-09-17 FR FR707033780A patent/FR2061790B3/fr not_active Expired

Also Published As

Publication number	Publication date
FR2061790A7 (de)	1971-06-25
FR2061790B3 (de)	1973-06-08
DE2043319B2 (de)	1976-01-15
JPS511123B1 (de)	1976-01-14
DE2043319A1 (de)	1971-04-01
GB1328538A (en)	1973-08-30
NL6914204A (de)	1971-03-22
US3685609A (en)	1972-08-22

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Legal Events

Date	Code	Title	Description
1975-04-15	PL	Patent ceased