DE2223531B1 - Elektroakustischer wandler - Google Patents

Elektroakustischer wandler

Info

Publication number
DE2223531B1
DE2223531B1 DE19722223531 DE2223531A DE2223531B1 DE 2223531 B1 DE2223531 B1 DE 2223531B1 DE 19722223531 DE19722223531 DE 19722223531 DE 2223531 A DE2223531 A DE 2223531A DE 2223531 B1 DE2223531 B1 DE 2223531B1
Authority
DE
Germany
Prior art keywords
slots
housing
membrane
volume
outlet openings
Prior art date
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.)
Withdrawn
Application number
DE19722223531
Other languages
German (de)
English (en)
Other versions
DE2223531A1 (US20100268047A1-20101021-C00003.png
Inventor
Erwin Dipl-Ing Martin
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.)
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19722223531 priority Critical patent/DE2223531B1/de
Priority to CH384173A priority patent/CH565495A5/xx
Priority to AR247312A priority patent/AR193949A1/es
Priority to AT288273A priority patent/AT327300B/de
Priority to GB1867773A priority patent/GB1434056A/en
Priority to NL7305600A priority patent/NL7305600A/xx
Priority to ZA733081A priority patent/ZA733081B/xx
Priority to IT23806/73A priority patent/IT987330B/it
Priority to FR7316919A priority patent/FR2184681B1/fr
Priority to BR3497/73A priority patent/BR7303497D0/pt
Priority to LU67591A priority patent/LU67591A1/xx
Priority to SE7306885A priority patent/SE383244B/xx
Priority to BE131125A priority patent/BE799551A/xx
Priority to JP48054024A priority patent/JPS5123841B2/ja
Publication of DE2223531A1 publication Critical patent/DE2223531A1/de
Publication of DE2223531B1 publication Critical patent/DE2223531B1/de
Priority to US05/669,162 priority patent/US4027115A/en
Withdrawn legal-status Critical Current

Links

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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Telephone Set Structure (AREA)
DE19722223531 1972-05-15 1972-05-15 Elektroakustischer wandler Withdrawn DE2223531B1 (de)

Priority Applications (15)

Application Number Priority Date Filing Date Title
DE19722223531 DE2223531B1 (de) 1972-05-15 1972-05-15 Elektroakustischer wandler
CH384173A CH565495A5 (US20100268047A1-20101021-C00003.png) 1972-05-15 1973-03-16
AR247312A AR193949A1 (es) 1972-05-15 1973-03-29 Generador electroacustico de sonido
AT288273A AT327300B (de) 1972-05-15 1973-04-02 Als wecker, insbesondere als wecker fur fernsprechgerate dienender elektroakustischer schallgeber
GB1867773A GB1434056A (en) 1972-05-15 1973-04-18 Telephone calling devices
NL7305600A NL7305600A (US20100268047A1-20101021-C00003.png) 1972-05-15 1973-04-19
ZA733081A ZA733081B (en) 1972-05-15 1973-05-07 Improvements in or relating to electro-acoustic transducers
IT23806/73A IT987330B (it) 1972-05-15 1973-05-08 Generatore elettrico acustico specie per impianti telefonici
FR7316919A FR2184681B1 (US20100268047A1-20101021-C00003.png) 1972-05-15 1973-05-10
BR3497/73A BR7303497D0 (pt) 1972-05-15 1973-05-14 Emissor de som eletroacustico
LU67591A LU67591A1 (US20100268047A1-20101021-C00003.png) 1972-05-15 1973-05-14
SE7306885A SE383244B (sv) 1972-05-15 1973-05-15 Elektroakustisk ljudalstrare.
BE131125A BE799551A (fr) 1972-05-15 1973-05-15 Generateur de son electroacoustique,
JP48054024A JPS5123841B2 (US20100268047A1-20101021-C00003.png) 1972-05-15 1973-05-15
US05/669,162 US4027115A (en) 1972-05-15 1976-03-22 Electroacoustic sound generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722223531 DE2223531B1 (de) 1972-05-15 1972-05-15 Elektroakustischer wandler

Publications (2)

Publication Number Publication Date
DE2223531A1 DE2223531A1 (US20100268047A1-20101021-C00003.png) 1973-11-08
DE2223531B1 true DE2223531B1 (de) 1973-11-08

Family

ID=5844876

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722223531 Withdrawn DE2223531B1 (de) 1972-05-15 1972-05-15 Elektroakustischer wandler

Country Status (15)

Country Link
US (1) US4027115A (US20100268047A1-20101021-C00003.png)
JP (1) JPS5123841B2 (US20100268047A1-20101021-C00003.png)
AR (1) AR193949A1 (US20100268047A1-20101021-C00003.png)
AT (1) AT327300B (US20100268047A1-20101021-C00003.png)
BE (1) BE799551A (US20100268047A1-20101021-C00003.png)
BR (1) BR7303497D0 (US20100268047A1-20101021-C00003.png)
CH (1) CH565495A5 (US20100268047A1-20101021-C00003.png)
DE (1) DE2223531B1 (US20100268047A1-20101021-C00003.png)
FR (1) FR2184681B1 (US20100268047A1-20101021-C00003.png)
GB (1) GB1434056A (US20100268047A1-20101021-C00003.png)
IT (1) IT987330B (US20100268047A1-20101021-C00003.png)
LU (1) LU67591A1 (US20100268047A1-20101021-C00003.png)
NL (1) NL7305600A (US20100268047A1-20101021-C00003.png)
SE (1) SE383244B (US20100268047A1-20101021-C00003.png)
ZA (1) ZA733081B (US20100268047A1-20101021-C00003.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934031C2 (de) * 1979-08-02 1981-07-30 LGZ Landis & Gyr Zug AG, 6301 Zug Ultraschallwandler
DE3446183A1 (de) * 1984-12-18 1986-06-26 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
DE102006028212A1 (de) * 2006-06-14 2007-12-20 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744397Y2 (US20100268047A1-20101021-C00003.png) * 1977-05-11 1982-09-30
DE2831377A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
DE2937922A1 (de) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
JPS5791100A (en) * 1980-11-27 1982-06-07 Nippon Telegr & Teleph Corp <Ntt> Ceramic piezoelectric type receiver
GB2168875A (en) * 1984-12-19 1986-06-25 Philips Electronic Associated Electroacoustic calling device
JPS62188459A (ja) * 1986-02-13 1987-08-18 Matsushita Electric Ind Co Ltd スピ−カ内蔵型電話機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1646628A (en) * 1927-10-25 James g
DE410304C (de) * 1920-09-28 1925-03-16 Signal Ges M B H Akustischer Apparat fuer Fernsprechzwecke mit zwei oder mehreren abgestimmten, miteinander gekoppelten selbstaendigen Schwingungsgebilden
DK35869C (da) * 1924-10-16 1926-04-12 Hans Christian Skaarup Ørestykke til Telefoner og lignende Apparater.
FR715926A (fr) * 1930-04-25 1931-12-11 Pintsch Julius Ag Ouverture variable d'émetteur de son
US2236568A (en) * 1939-07-29 1941-04-01 Bell Telephone Labor Inc Receiver cap acoustic filter
DE1188657B (de) * 1962-04-27 1965-03-11 Siemens Ag Anordnung zur Frequenzgangverbesserung eines elektroakustischen Wandlers
CH528197A (de) * 1971-12-20 1972-09-15 Ibm Gehäuseanordnung mit einem elektro-akustischen Wandler, und Verwendung derselben in einem Telefonapparat einer Nachrichtenübertragungsanlage mit PCM-Codierung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934031C2 (de) * 1979-08-02 1981-07-30 LGZ Landis & Gyr Zug AG, 6301 Zug Ultraschallwandler
DK151676B (da) * 1979-08-02 1987-12-21 Landis & Gyr Ag Ultralydomsaetter
DE3446183A1 (de) * 1984-12-18 1986-06-26 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
DE102006028212A1 (de) * 2006-06-14 2007-12-20 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor

Also Published As

Publication number Publication date
CH565495A5 (US20100268047A1-20101021-C00003.png) 1975-08-15
LU67591A1 (US20100268047A1-20101021-C00003.png) 1973-07-24
DE2223531A1 (US20100268047A1-20101021-C00003.png) 1973-11-08
US4027115A (en) 1977-05-31
BE799551A (fr) 1973-11-16
AR193949A1 (es) 1973-05-31
NL7305600A (US20100268047A1-20101021-C00003.png) 1973-11-19
FR2184681B1 (US20100268047A1-20101021-C00003.png) 1979-05-04
GB1434056A (en) 1976-04-28
AT327300B (de) 1976-01-26
JPS5123841B2 (US20100268047A1-20101021-C00003.png) 1976-07-20
ZA733081B (en) 1974-04-24
IT987330B (it) 1975-02-20
JPS4950918A (US20100268047A1-20101021-C00003.png) 1974-05-17
FR2184681A1 (US20100268047A1-20101021-C00003.png) 1973-12-28
BR7303497D0 (pt) 1974-07-11
ATA288273A (de) 1975-04-15
SE383244B (sv) 1976-03-01

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Legal Events

Date Code Title Description
8230 Patent withdrawn