CH60659A - Heavy current microphone, especially for long speech lines - Google Patents

Heavy current microphone, especially for long speech lines

Info

Publication number
CH60659A
CH60659A CH60659A CH60659DA CH60659A CH 60659 A CH60659 A CH 60659A CH 60659 A CH60659 A CH 60659A CH 60659D A CH60659D A CH 60659DA CH 60659 A CH60659 A CH 60659A
Authority
CH
Switzerland
Prior art keywords
heavy current
current microphone
long speech
speech lines
lines
Prior art date
Application number
CH60659A
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH60659A publication Critical patent/CH60659A/en

Links

CH60659A 1912-03-28 1912-03-28 Heavy current microphone, especially for long speech lines CH60659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH60659T 1912-03-28

Publications (1)

Publication Number Publication Date
CH60659A true CH60659A (en) 1913-08-01

Family

ID=4303672

Family Applications (1)

Application Number Title Priority Date Filing Date
CH60659A CH60659A (en) 1912-03-28 1912-03-28 Heavy current microphone, especially for long speech lines

Country Status (1)

Country Link
CH (1) CH60659A (en)

Similar Documents

Publication Publication Date Title
CH60659A (en) Heavy current microphone, especially for long speech lines
CH47330A (en) Microphone, especially for heavy current
CH61372A (en) Attachment, especially for desks
CH59765A (en) Microphone relay
CH60402A (en) microphone
CH60214A (en) Microphone
NL183C (en) Telephone porter
CH58485A (en) Self-closing valve, especially for toilets
AT80126B (en) Voice amplifiers for telephone and telephonograph systems.
CH58099A (en) Self cashier for telephones
FR463254A (en) Chuck refinements
DK16346C (en) Device for voice machines.
DK16242C (en) Device for voice machines.
CH58947A (en) Speaking Marchine
AT63617B (en) Silencers for firearms.
CH62312A (en) Siphon for serving beer
FR459572A (en) Scissors
DK17159C (en) Voice tubes.
CH61035A (en) Clamping device for the production of angular, frame-like workpieces
DK15717C (en) Stop bushing gasket.
AT67993B (en) Feedback for hydraulic regulators.
CH46479A (en) Auxiliary valve for water pipes
AT71117B (en) Circuit arrangement for telephone systems.
AT69059B (en) Circuit arrangement for telephone systems.
AT63619B (en) Bangers for firearms.