FI56601B - ELECTRICAL EQUIPMENT, SPECIFIC MICROPHONE FOR TELEPHONE RECORDING - Google Patents

ELECTRICAL EQUIPMENT, SPECIFIC MICROPHONE FOR TELEPHONE RECORDING

Info

Publication number
FI56601B
FI56601B FI3263/70A FI326370A FI56601B FI 56601 B FI56601 B FI 56601B FI 3263/70 A FI3263/70 A FI 3263/70A FI 326370 A FI326370 A FI 326370A FI 56601 B FI56601 B FI 56601B
Authority
FI
Finland
Prior art keywords
electrical equipment
telephone recording
specific microphone
microphone
specific
Prior art date
Application number
FI3263/70A
Other languages
Finnish (fi)
Other versions
FI56601C (en
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.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of FI56601B publication Critical patent/FI56601B/en
Application granted granted Critical
Publication of FI56601C publication Critical patent/FI56601C/en

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
    • 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 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1961217 1969-12-05
DE1961217A DE1961217C3 (en) 1969-12-05 1969-12-05 Electroacoustic transducers, in particular microphones for telephone systems

Publications (2)

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

Family

ID=5753162

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3263/70A FI56601C (en) 1969-12-05 1970-12-03 ELEKTROAKUSTISK GIVARE SPECIELLT MIKROFON FOER TELEFONANLAEGGNINGAR

Country Status (13)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119911B2 (en) * 1971-04-23 1973-11-15 Siemens Ag, 1000 Berlin U. 8000 Muenchen Electroacoustic converter, in particular microphone for telephone systems
DE2831411C2 (en) * 1978-07-17 1983-10-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Electroacoustic transducer with a diaphragm provided with a piezoelectric layer
DE2937922A1 (en) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München PIEZOELECTRIC CONVERTER
DE3005708C2 (en) * 1980-02-15 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Transducer plate for piezoelectric transducers
DE3425176A1 (en) * 1984-07-09 1986-02-20 Fernsprech Und Signalbau Kg Sc Piezoelectric telephone capsule
DE3425173A1 (en) * 1984-07-09 1986-01-16 Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen Piezoelectric telephone capsule
DE3518819A1 (en) * 1985-05-24 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Electro-acoustic transducer
DE3609461A1 (en) * 1986-03-20 1987-09-24 Siemens Ag ELECTROACOUSTIC CONVERTER
DE8712014U1 (en) * 1987-09-04 1987-10-29 Chen, Ding Pang, Taipeh/T'ai-pei Perimeter element for a loudspeaker
CN1015289B (en) * 1988-08-10 1992-01-01 西门子公司 Electroacoustic transducer
CN114390405B (en) * 2021-12-10 2023-11-28 深圳羽声电子有限公司 Vibrating diaphragm and use its audio amplifier

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 (en) * 1961-09-29 1963-08-02 Siemens Ag Electro-acoustic transformer
DE1288146B (en) * 1962-10-31 1969-01-30 Siemens Ag Electroacoustic converter

Also Published As

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

Similar Documents

Publication Publication Date Title
SE377990C (en) SPEAKER TELEPHONE
CH532868A (en) Telecommunication system
BE797074A (en) SPEAKING TELEPHONE SET
DK110237C (en) Stereophonic electrodynamic sound recorder.
NL154133B (en) CASTING EQUIPMENT.
FI56601B (en) ELECTRICAL EQUIPMENT, SPECIFIC MICROPHONE FOR TELEPHONE RECORDING
NL7500942A (en) ELECTRODYNAMIC SPEAKER.
NL142044B (en) ELECTRODYNAMIC SPEAKER.
IT1071196B (en) REPRODUCTION EQUIPMENT, PARTICULARLY VIDEO-REPRODUCER
AT325692B (en) ELECTRODYNAMIC MICROPHONE
CH461124A (en) Microphone for voice recorder
IT961061B (en) REPAIRER FOR TELEPHONE EQUIPMENT
ATA818075A (en) REPRODUCTION EQUIPMENT
AT309541B (en) PCM telecommunications network
ES161213Y (en) ELECTRICAL TERMINAL.
NL7612018A (en) REPRODUCTION EQUIPMENT.
FR1416231A (en) Submarine cable, including telephone cable
AT325117B (en) HANDSET FOR TELEPHONE SETS
CH511721A (en) Thermographic reproduction equipment
BR7108538D0 (en) INDIVIDUAL TELEPHONE LINE EQUIPMENT
SE394929B (en) DAMPING CIRCUIT DEVICE FOR TELEPHONE CABLES
BR7203431D0 (en) TELEPHONE EQUIPMENT
AT290645B (en) Mouthpiece for microphones
FR1332315A (en) Electro-dynamic speaker
BE802572A (en) TELEPHONE IMPROVEMENTS