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CH473515A - Mikrotelephon - Google Patents

Mikrotelephon

Info

Publication number
CH473515A
CH473515A CH599768A CH599768A CH473515A CH 473515 A CH473515 A CH 473515A CH 599768 A CH599768 A CH 599768A CH 599768 A CH599768 A CH 599768A CH 473515 A CH473515 A CH 473515A
Authority
CH
Switzerland
Prior art keywords
microphone
Prior art date
Application number
CH599768A
Other languages
English (en)
Inventor
Peiker Heinrich
Original Assignee
Peiker Acustic
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 Peiker Acustic filed Critical Peiker Acustic
Priority to CH599768A priority Critical patent/CH473515A/de
Priority to DE19691918985 priority patent/DE1918985B2/de
Publication of CH473515A publication Critical patent/CH473515A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CH599768A 1968-04-23 1968-04-23 Mikrotelephon CH473515A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH599768A CH473515A (de) 1968-04-23 1968-04-23 Mikrotelephon
DE19691918985 DE1918985B2 (de) 1968-04-23 1969-04-15 Mikrotelefon mit richtmikrophonkapsel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH599768A CH473515A (de) 1968-04-23 1968-04-23 Mikrotelephon

Publications (1)

Publication Number Publication Date
CH473515A true CH473515A (de) 1969-05-31

Family

ID=4302714

Family Applications (1)

Application Number Title Priority Date Filing Date
CH599768A CH473515A (de) 1968-04-23 1968-04-23 Mikrotelephon

Country Status (2)

Country Link
CH (1) CH473515A (de)
DE (1) DE1918985B2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830988A (en) * 1972-12-21 1974-08-20 Roanwell Corp Noise canceling transmitter
US4463222A (en) * 1981-12-23 1984-07-31 Roanwell Corporation Noise canceling transmitter
US4937877A (en) * 1988-02-26 1990-06-26 Northern Telecom Limited Modular microphone assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3420756B2 (ja) 2001-10-30 2003-06-30 株式会社テムコジャパン 通信機器用ハンドセット

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830988A (en) * 1972-12-21 1974-08-20 Roanwell Corp Noise canceling transmitter
US4463222A (en) * 1981-12-23 1984-07-31 Roanwell Corporation Noise canceling transmitter
US4937877A (en) * 1988-02-26 1990-06-26 Northern Telecom Limited Modular microphone assembly

Also Published As

Publication number Publication date
DE1918985B2 (de) 1971-08-19
DE1918985A1 (de) 1969-11-06

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Legal Events

Date Code Title Description
PL Patent ceased