CA514655A - Microphones and microphone granules - Google Patents

Microphones and microphone granules

Info

Publication number: CA514655A
Authority: CA; Canada
Prior art keywords: microphones; granules; microphone; microphone granules
Prior art date: 1955-07-12
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

CA514655A

Other languages

French (fr)

Inventor

O. Baker William

O. Grisdale Richard

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1955-07-12

1955-07-12 Application granted granted Critical

1955-07-12 Publication of CA514655A publication Critical patent/CA514655A/en

Status Expired legal-status Critical Current

Links

239000008187 granular material Substances 0.000 title 1

CA514655A Microphones and microphone granules Expired CA514655A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA514655T

Publications (1)

Publication Number	Publication Date
CA514655A true CA514655A (en)	1955-07-12

Family

ID=35665744

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA514655A Expired CA514655A (en)			Microphones and microphone granules

Country Status (1)

Country	Link
CA (1)	CA514655A (en)

0
- CA CA514655A patent/CA514655A/en not_active Expired

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