FI56601B - Elektroakustisk givare,speciellt mikrofon foer telefonanlaeggningar - Google Patents

Elektroakustisk givare,speciellt mikrofon foer telefonanlaeggningar

Info

Publication number: FI56601B
Authority: FI; Finland
Prior art keywords: electrical equipment; telephone recording; specific microphone; microphone; specific
Prior art date: 1969-12-05

Application number

FI3263/70A

Other languages

English (en)

Other versions

FI56601C (fi

Inventor

Otto Bruennert

Hans Schierl

Original Assignee

Siemens Ag

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.)

1969-12-05

Filing date

1970-12-03

Publication date

1979-10-31

1970-12-03 Application filed by Siemens Ag filed Critical Siemens Ag

1979-10-31 Application granted granted Critical

1979-10-31 Publication of FI56601B publication Critical patent/FI56601B/fi

1980-02-11 Publication of FI56601C publication Critical patent/FI56601C/fi

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

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

FI3263/70A 1969-12-05 1970-12-03 Elektroakustisk givare speciellt mikrofon foer telefonanlaeggningar FI56601C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE1961217A DE1961217C3 (de)	1969-12-05	1969-12-05	Elektroakustischer Wandler, insbesondere Mikrofon für Fernsprechanlagen
DE1961217		1969-12-05

Publications (2)

Publication Number	Publication Date
FI56601B true FI56601B (fi)	1979-10-31
FI56601C FI56601C (fi)	1980-02-11

Family

ID=5753162

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI3263/70A FI56601C (fi)	1969-12-05	1970-12-03	Elektroakustisk givare speciellt mikrofon foer telefonanlaeggningar

Country Status (13)

Country	Link
AT (1)	AT308860B (fi)
BE (1)	BE759888A (fi)
BG (1)	BG20138A3 (fi)
BR (1)	BR7024166D0 (fi)
CH (1)	CH522995A (fi)
DE (1)	DE1961217C3 (fi)
FI (1)	FI56601C (fi)
FR (1)	FR2070741B1 (fi)
GB (1)	GB1293670A (fi)
LU (1)	LU62172A1 (fi)
NL (1)	NL172504C (fi)
SE (1)	SE366190B (fi)
ZA (1)	ZA708029B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2119911B2 (de) *	1971-04-23	1973-11-15	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Elektroakustischer Wandler, insbe sondere Mikrofon fur Fernsprechanlagen
DE2831411C2 (de) *	1978-07-17	1983-10-06	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran
DE2937922A1 (de) *	1979-09-19	1981-04-09	Siemens AG, 1000 Berlin und 8000 München	Piezoelektrischer wandler
DE3005708C2 (de) *	1980-02-15	1984-08-30	Siemens AG, 1000 Berlin und 8000 München	Wandlerplatte für piezoelektrische Wandler
DE3425176A1 (de) *	1984-07-09	1986-02-20	Fernsprech Und Signalbau Kg Sc	Piezoelektrische fernsprechkapsel
DE3425173A1 (de) *	1984-07-09	1986-01-16	Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen	Piezoelektrische fernsprechkapsel
DE3518819A1 (de) *	1985-05-24	1986-11-27	Siemens AG, 1000 Berlin und 8000 München	Elektroakustischer wandler
DE3609461A1 (de) *	1986-03-20	1987-09-24	Siemens Ag	Elektroakustischer wandler
DE8712014U1 (de) *	1987-09-04	1987-10-29	Chen, Ding Pang, Taipeh/T'ai-pei	Umfangselement für einen Lautsprecher
CN1015289B (zh) *	1988-08-10	1992-01-01	西门子公司	电声转换器
CN114390405B (zh) *	2021-12-10	2023-11-28	深圳羽声电子有限公司	一种振动膜及使用其的音箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB112333A (en) *	1917-01-24	1918-01-10	Alexander Marr	Improvements in or relating to Apparatus for the Reproduction of Sounds.
FR1334235A (fr) *	1961-09-29	1963-08-02	Siemens Ag	Transformateur électro-acoustique
DE1288146B (de) *	1962-10-31	1969-01-30	Siemens Ag	Elektroakustischer Wandler

0
- BE BE759888D patent/BE759888A/xx not_active IP Right Cessation
1969
- 1969-12-05 DE DE1961217A patent/DE1961217C3/de not_active Expired
1970
- 1970-11-05 CH CH1639370A patent/CH522995A/de not_active IP Right Cessation
- 1970-11-11 AT AT1015070A patent/AT308860B/de not_active IP Right Cessation
- 1970-11-17 GB GB54534/70D patent/GB1293670A/en not_active Expired
- 1970-11-18 BG BG016089A patent/BG20138A3/xx unknown
- 1970-11-25 NL NLAANVRAGE7017251,A patent/NL172504C/xx not_active IP Right Cessation
- 1970-11-26 BR BR224166/70A patent/BR7024166D0/pt unknown
- 1970-11-26 ZA ZA708029A patent/ZA708029B/xx unknown
- 1970-12-03 LU LU62172D patent/LU62172A1/xx unknown
- 1970-12-03 FI FI3263/70A patent/FI56601C/fi active
- 1970-12-03 FR FR7043478A patent/FR2070741B1/fr not_active Expired
- 1970-12-07 SE SE16544/70A patent/SE366190B/xx unknown

Also Published As

Publication number	Publication date
FR2070741B1 (fi)	1976-03-19
BR7024166D0 (pt)	1973-01-09
DE1961217C3 (de)	1978-08-24
FR2070741A1 (fi)	1971-09-17
NL172504C (nl)	1983-09-01
DE1961217B2 (de)	1972-10-12
NL172504B (nl)	1983-04-05
FI56601C (fi)	1980-02-11
BE759888A (fr)	1971-06-04
AT308860B (de)	1973-07-25
CH522995A (de)	1972-05-15
GB1293670A (en)	1972-10-18
ZA708029B (en)	1971-08-25
BG20138A3 (bg)	1975-10-30
SE366190B (fi)	1974-04-08
DE1961217A1 (de)	1971-06-16
NL7017251A (fi)	1971-06-08
LU62172A1 (fi)	1971-05-12

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