NL48530C - - Google Patents

Info

Publication number: NL48530C
Authority: NL; Netherlands

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.)

1935-08-01

Publication of NL48530C publication Critical patent/NL48530C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)

NL48530D 1935-08-01 NL48530C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US34122A US2126886A (en)	1935-08-01	1935-08-01	Acoustic rectifying device

Publications (1)

Publication Number	Publication Date
NL48530C true NL48530C (enrdf_load_html_response)

Family

ID=21874445

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL48530D NL48530C (enrdf_load_html_response)	1935-08-01

Country Status (5)

Country	Link
US (1)	US2126886A (enrdf_load_html_response)
DE (1)	DE710803C (enrdf_load_html_response)
FR (1)	FR815899A (enrdf_load_html_response)
GB (1)	GB477623A (enrdf_load_html_response)
NL (1)	NL48530C (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2416337A (en) *	1943-06-10	1947-02-25	Bell Telephone Labor Inc	Vibration damping circuit
US4499566A (en) *	1981-01-21	1985-02-12	The United States Of America As Represented By The Secretary Of The Navy	Electro-ceramic stack

0
- NL NL48530D patent/NL48530C/xx active
1935
- 1935-08-01 US US34122A patent/US2126886A/en not_active Expired - Lifetime
1936
- 1936-07-17 GB GB19888/36A patent/GB477623A/en not_active Expired
- 1936-07-29 FR FR815899D patent/FR815899A/fr not_active Expired
- 1936-08-01 DE DEI55668D patent/DE710803C/de not_active Expired

Also Published As

Publication number	Publication date
US2126886A (en)	1938-08-16
DE710803C (de)	1941-09-22
FR815899A (fr)	1937-07-24
GB477623A (en)	1938-01-04

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