DK73887C - Vibration system, in particular electrodynamic vibration system, eg for microphones and loudspeakers. - Google Patents

Vibration system, in particular electrodynamic vibration system, eg for microphones and loudspeakers.

Info

Publication number
DK73887C
DK73887C DK472046A DK472046A DK73887C DK 73887 C DK73887 C DK 73887C DK 472046 A DK472046 A DK 472046A DK 472046 A DK472046 A DK 472046A DK 73887 C DK73887 C DK 73887C
Authority
DK
Denmark
Prior art keywords
vibration system
loudspeakers
microphones
particular electrodynamic
electrodynamic vibration
Prior art date
Application number
DK472046A
Other languages
Danish (da)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK73887C publication Critical patent/DK73887C/en

Links

DK472046A 1945-12-03 1946-11-30 Vibration system, in particular electrodynamic vibration system, eg for microphones and loudspeakers. DK73887C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL73887X 1945-12-03

Publications (1)

Publication Number Publication Date
DK73887C true DK73887C (en) 1952-03-17

Family

ID=19757594

Family Applications (1)

Application Number Title Priority Date Filing Date
DK472046A DK73887C (en) 1945-12-03 1946-11-30 Vibration system, in particular electrodynamic vibration system, eg for microphones and loudspeakers.

Country Status (1)

Country Link
DK (1) DK73887C (en)

Similar Documents

Publication Publication Date Title
NL187779B (en) AUDIO AMPLIFIER.
DK105927C (en) Sound reproduction system.
NL188880B (en) SPEAKER.
NL142044B (en) ELECTRODYNAMIC SPEAKER.
CH245420A (en) Electrodynamic speaker.
DK73887C (en) Vibration system, in particular electrodynamic vibration system, eg for microphones and loudspeakers.
FR909299A (en) Sound system by loudspeaker, in particular t station. s. f., amplifier, loudspeaker, etc.
CH270139A (en) Pressure telegraph receiver.
NL184393B (en) SPEAKER HORN.
CH271780A (en) Telegraph Receiver.
NL184037B (en) SPEAKER SYSTEM.
DK70808C (en) Electrodynamic microphone.
DK72732C (en) Electroacoustic apparatus, eg a microphone.
FR1086050A (en) Advanced electrodynamic speaker
CH245733A (en) Electrodynamic phonogram scanner.
CH275629A (en) Pressure telegraph receiver.
CH247563A (en) Loudspeaker telephone system.
ES171459A1 (en) IMPROVEMENTS IN FACSIMILE TELEGRAPH SYSTEMS AND APPARATUS.
DK72080C (en) Electrodynamic device, eg pick-up.
FR950341A (en) Secret communication system
DK77109C (en) Stand, eg music stand or microphone stand.
ES12184Y (en) Improvements in forms for secret telegraphic reception.
DK112347B (en) Electrodynamic sound repeater.
ES176498A1 (en) IMPROVEMENTS INTRODUCED IN VIBRANT MEMBRANES INTENDED ESPECIALLY FOR MICROPHONES, SPEAKERS AND IN GENERAL FOR ELECTROACOUSTIC APPLIANCES
CH309043A (en) Teletype receiver.