GB189606576A - Improvements in Microphones. - Google Patents

Improvements in Microphones.

Info

Publication number
GB189606576A
GB189606576A GB189606576DA GB189606576A GB 189606576 A GB189606576 A GB 189606576A GB 189606576D A GB189606576D A GB 189606576DA GB 189606576 A GB189606576 A GB 189606576A
Authority
GB
United Kingdom
Prior art keywords
microphones
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
Inventor
Paul Hardegen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB189606576A publication Critical patent/GB189606576A/en
Expired legal-status Critical Current

Links

GB189606576D 1896-03-25 1896-03-25 Improvements in Microphones. Expired GB189606576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189606576T 1896-03-25

Publications (1)

Publication Number Publication Date
GB189606576A true GB189606576A (en) 1896-05-16

Family

ID=32531844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189606576D Expired GB189606576A (en) 1896-03-25 1896-03-25 Improvements in Microphones.

Country Status (1)

Country Link
GB (1) GB189606576A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756614C (en) * 1937-12-19 1952-10-13 Helmut Dr Sell Carbon microphone in which the resistance material is housed in a container freely supported by the membrane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756614C (en) * 1937-12-19 1952-10-13 Helmut Dr Sell Carbon microphone in which the resistance material is housed in a container freely supported by the membrane

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