DK45070C - Piezo-Electric Device for Receiving Modulated Electric Waves. - Google Patents

Piezo-Electric Device for Receiving Modulated Electric Waves.

Info

Publication number
DK45070C
DK45070C DK45070DA DK45070C DK 45070 C DK45070 C DK 45070C DK 45070D A DK45070D A DK 45070DA DK 45070 C DK45070 C DK 45070C
Authority
DK
Denmark
Prior art keywords
piezo
electric
receiving modulated
waves
electric device
Prior art date
Application number
Other languages
Danish (da)
Inventor
James Robinson
Original Assignee
James Robinson
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 James Robinson filed Critical James Robinson
Application granted granted Critical
Publication of DK45070C publication Critical patent/DK45070C/en

Links

DK45070D 1929-07-26 1930-07-03 Piezo-Electric Device for Receiving Modulated Electric Waves. DK45070C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45070X 1929-07-26

Publications (1)

Publication Number Publication Date
DK45070C true DK45070C (en) 1932-01-04

Family

ID=9778495

Family Applications (1)

Application Number Title Priority Date Filing Date
DK45070D DK45070C (en) 1929-07-26 1930-07-03 Piezo-Electric Device for Receiving Modulated Electric Waves.

Country Status (1)

Country Link
DK (1) DK45070C (en)

Similar Documents

Publication Publication Date Title
DK45070C (en) Piezo-Electric Device for Receiving Modulated Electric Waves.
FR688455A (en) Device for converting modulated high frequency electrical oscillations into acoustic oscillations
CH145543A (en) Switching device.
ES115397A1 (en) MODULATION DEVICE.
DK46219C (en) High frequency signaling device.
FR30070E (en) Vibrating membrane for telephone devices
AT131405B (en) Radio receiving device.
DK45661C (en) Device for Receiving AC Signals.
DK39627C (en) Device for Converting Electrical Oscillations to Mechanical Oscillations.
DK45835C (en) Device by Telephone System.
ES113800A1 (en) Guard-post device.
GR2426B (en) POLYGRAPHER DEVICE.
DK41848C (en) Slide Generating Device.
DK47274C (en) Coupling device for Telephone system.
DK37285C (en) Baandmaal til Maaling af Svin.
DK46602C (en) Device for Telephone Systems for the Transmission of Selection Pulses over Duplicate Wires.
DK41755C (en) Device for Converting Electrical Oscillations to Mechanical.
DK41455C (en) Device by Telephone Systems.
DK43009C (en) Device by Telephone Systems.
ES112652A1 (en) Electrical device for remote signals.
DK44173C (en) Calorifier device.
DK44081C (en) Charging device for electric igniters.
DK35834C (en) Device for Fastening Electrical Switches.
DK42522C (en) Device at Hesteriver.
DK42066C (en) Device at Laase.