AU500321B2 - Telephone microphone - Google Patents

Telephone microphone

Info

Publication number
AU500321B2
AU500321B2 AU19567/76A AU1956776A AU500321B2 AU 500321 B2 AU500321 B2 AU 500321B2 AU 19567/76 A AU19567/76 A AU 19567/76A AU 1956776 A AU1956776 A AU 1956776A AU 500321 B2 AU500321 B2 AU 500321B2
Authority
AU
Australia
Prior art keywords
telephone microphone
microphone
telephone
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.)
Expired
Application number
AU19567/76A
Other versions
AU1956776A (en
Inventor
C. M. Tester N. W. & Hurley Ms Tabalba
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of AU1956776A publication Critical patent/AU1956776A/en
Application granted granted Critical
Publication of AU500321B2 publication Critical patent/AU500321B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AU19567/76A 1975-11-20 1976-11-12 Telephone microphone Expired AU500321B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4776875A GB1525964A (en) 1975-11-20 1975-11-20 Telephone microphone
GBGB47768/75 1975-11-20

Publications (2)

Publication Number Publication Date
AU1956776A AU1956776A (en) 1978-05-18
AU500321B2 true AU500321B2 (en) 1979-05-17

Family

ID=10446188

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19567/76A Expired AU500321B2 (en) 1975-11-20 1976-11-12 Telephone microphone

Country Status (6)

Country Link
AU (1) AU500321B2 (en)
ES (1) ES453482A1 (en)
GB (1) GB1525964A (en)
HK (1) HK61379A (en)
IE (1) IE43640B1 (en)
NZ (1) NZ182460A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904096C2 (en) * 1979-02-03 1981-01-15 6000 Frankfurt Circuit arrangement for telecommunications equipment equipped with an amplifier network
FR2494530B1 (en) * 1980-11-17 1987-09-25 Horlogerie Photograph Fse TELEPHONE UNIT COMPRISING A CARRIER CURRENT PREAMPLIFIER, A MIC INTERRUPT SWITCH AND A DEVICE FOR SIGNALING SUCH INTERRUPTION
DE3244240C1 (en) * 1982-11-08 1984-03-15 Sodeco-Saia AG, 1211 Genève Telephone station with low power consumption
GB8317555D0 (en) * 1983-06-28 1983-08-03 Gibson Dawson J Microphone

Also Published As

Publication number Publication date
AU1956776A (en) 1978-05-18
HK61379A (en) 1979-09-07
GB1525964A (en) 1978-09-27
IE43640B1 (en) 1981-04-22
NZ182460A (en) 1980-08-26
ES453482A1 (en) 1977-11-16

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