NL220145A - - Google Patents

Info

Publication number: NL220145A
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.)

1956-08-31

Publication of NL220145A publication Critical patent/NL220145A/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
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Stereophonic Arrangements (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

NL220145D 1956-08-31 NL220145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEN12667A DE1067865B (de)	1956-08-31	1956-08-31	Stereophonische Schallaufnahmeeinrichtung

Publications (1)

Publication Number	Publication Date
NL220145A true NL220145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=7339616

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL106407D NL106407C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1956-08-31
NL220145D NL220145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1956-08-31

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL106407D NL106407C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1956-08-31

Country Status (5)

Country	Link
US (1)	US3070658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1)	DE1067865B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR1181800A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB866201A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2)	NL220145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1572093A (en) *	1976-03-16	1980-07-23	Wehner R	Omniphonic transducer system
JPS5957596A (ja) *	1982-09-27	1984-04-03	Sony Corp	マイクロホン装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB394325A (en) *	1931-12-14	1933-06-14	Alan Dower Blumlein	Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
FR747504A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *	1931-12-14	1933-06-16
US2520798A (en) *	1940-11-27	1950-08-29	Hartford Nat Bank & Trust Co	Device for the stereophonic transmission of sound
NL69032C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *	1943-05-17
US2791628A (en) *	1953-06-22	1957-05-07	William R Edmondson	Sound device

0
- NL NL106407D patent/NL106407C/xx active
- NL NL220145D patent/NL220145A/xx unknown
1956
- 1956-08-31 DE DEN12667A patent/DE1067865B/de active Pending
1957
- 1957-07-30 US US675068A patent/US3070658A/en not_active Expired - Lifetime
- 1957-08-28 GB GB27120/57A patent/GB866201A/en not_active Expired
- 1957-08-29 FR FR1181800D patent/FR1181800A/fr not_active Expired

Also Published As

Publication number	Publication date
DE1067865B (de)	1959-10-29
GB866201A (en)	1961-04-26
US3070658A (en)	1962-12-25
FR1181800A (fr)	1959-06-18
NL106407C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1963-10-02

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