ES181623Y - Altavoz de bocina perfeccionado. - Google Patents

Altavoz de bocina perfeccionado.

Info

Publication number: ES181623Y
Authority: ES; Spain
Prior art keywords: perfected; horn speaker; horn; speaker; perfected horn
Prior art date: 1971-06-09
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

ES1972181623U

Other languages

English (en)

Other versions

ES181623U (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.)

CESATI

Original Assignee

CESATI

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.)

1971-06-09

Filing date

1972-06-09

Publication date

1974-03-16

1972-06-09 Application filed by CESATI filed Critical CESATI

1973-04-01 Publication of ES181623U publication Critical patent/ES181623U/es

1974-03-16 Application granted granted Critical

1974-03-16 Publication of ES181623Y publication Critical patent/ES181623Y/es

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
Diaphragms For Electromechanical Transducers (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

ES1972181623U 1971-06-09 1972-06-09 Altavoz de bocina perfeccionado. Expired ES181623Y (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2569671		1971-06-09

Publications (2)

Publication Number	Publication Date
ES181623U ES181623U (es)	1973-04-01
ES181623Y true ES181623Y (es)	1974-03-16

Family

ID=11217467

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES1972181623U Expired ES181623Y (es)	1971-06-09	1972-06-09	Altavoz de bocina perfeccionado.

Country Status (5)

Country	Link
CH (1)	CH551124A (es)
DE (1)	DE2228827C2 (es)
ES (1)	ES181623Y (es)
FR (1)	FR2143715B3 (es)
NL (1)	NL7207928A (es)

Families Citing this family (2)

* 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
FR2495423B1 (fr) *	1980-11-28	1989-11-10	Topalian Daniel	Enceinte acoustique a pavillon double avant non replie, et caisson ferme arriere

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE522584A (es) *	1952-09-11

1972
- 1972-06-08 CH CH854172A patent/CH551124A/it not_active IP Right Cessation
- 1972-06-09 NL NL7207928A patent/NL7207928A/xx active Search and Examination
- 1972-06-09 DE DE19722228827 patent/DE2228827C2/de not_active Expired
- 1972-06-09 ES ES1972181623U patent/ES181623Y/es not_active Expired
- 1972-06-09 FR FR7221508A patent/FR2143715B3/fr not_active Expired

Also Published As

Publication number	Publication date
CH551124A (it)	1974-06-28
FR2143715A1 (es)	1973-02-09
ES181623U (es)	1973-04-01
NL7207928A (es)	1972-12-12
DE2228827C2 (de)	1983-12-01
FR2143715B3 (es)	1975-08-08
DE2228827A1 (de)	1973-01-25

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