CA159794A - Methode et appareil a amplifier et a reproduire les sons - Google Patents

Methode et appareil a amplifier et a reproduire les sons

Info

Publication number
CA159794A
CA159794A CA000159794A CA159794DA CA159794A CA 159794 A CA159794 A CA 159794A CA 000159794 A CA000159794 A CA 000159794A CA 159794D A CA159794D A CA 159794DA CA 159794 A CA159794 A CA 159794A
Authority
CA
Canada
Prior art keywords
amplifying
reproducing sounds
sounds
reproducing
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
CA000159794A
Other languages
English (en)
Inventor
Lee De Forest
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 CA159794A publication Critical patent/CA159794A/fr
Expired legal-status Critical Current

Links

CA000159794A 1914-01-19 1914-01-19 Methode et appareil a amplifier et a reproduire les sons Expired CA159794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159794T 1914-01-19

Publications (1)

Publication Number Publication Date
CA159794A true CA159794A (fr) 1914-12-29

Family

ID=45279498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159794A Expired CA159794A (fr) 1914-01-19 1914-01-19 Methode et appareil a amplifier et a reproduire les sons

Country Status (1)

Country Link
CA (1) CA159794A (fr)

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