DK78200C - Signal transmission systems, in particular automatic telephone systems. - Google Patents

Signal transmission systems, in particular automatic telephone systems.

Info

Publication number
DK78200C
DK78200C DK510247A DK510247A DK78200C DK 78200 C DK78200 C DK 78200C DK 510247 A DK510247 A DK 510247A DK 510247 A DK510247 A DK 510247A DK 78200 C DK78200 C DK 78200C
Authority
DK
Denmark
Prior art keywords
systems
signal transmission
automatic telephone
particular automatic
transmission systems
Prior art date
Application number
DK510247A
Other languages
Danish (da)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of DK78200C publication Critical patent/DK78200C/en

Links

DK510247A 1945-11-14 1947-12-30 Signal transmission systems, in particular automatic telephone systems. DK78200C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78200XA 1945-11-14 1945-11-14

Publications (1)

Publication Number Publication Date
DK78200C true DK78200C (en) 1954-10-04

Family

ID=21728286

Family Applications (1)

Application Number Title Priority Date Filing Date
DK510247A DK78200C (en) 1945-11-14 1947-12-30 Signal transmission systems, in particular automatic telephone systems.

Country Status (1)

Country Link
DK (1) DK78200C (en)

Similar Documents

Publication Publication Date Title
CH247583A (en) Speed change transmission.
CH271780A (en) Telegraph Receiver.
ES174626A1 (en) IMPROVEMENTS IN TELEPHONE CENTRAL SYSTEMS.
DK78200C (en) Signal transmission systems, in particular automatic telephone systems.
CH262449A (en) Automatic telephone system.
CH270706A (en) Automatic telephone system.
CH275629A (en) Pressure telegraph receiver.
CH283934A (en) Telephone installation.
ES181974A1 (en) IMPROVEMENTS IN MESSAGE TRANSMISSION SYSTEMS
NL76046C (en) Signal system, especially automatic telephone system.
CH261997A (en) Automatic firearm.
DK69891C (en) Signal transmission system.
IE18864L (en) Automatic telephone exchange systems.
IE18909L (en) Automatic telephone exchange systems.
IE18866L (en) Automatic telephone exchange systems.
IE18865L (en) Automatic telephone exchange systems.
IE18849L (en) Automatic telephone exchange systems.
IE18848L (en) Automatic telephone exchange systems.
CH269347A (en) Precision telegraph transmitter.
CH263435A (en) Telephone system.
FR930964A (en) Automatic telephone system
DK68566C (en) Transmission belt.
ES171595A1 (en) IMPROVEMENTS IN TELEVISION TRANSMITTER SYSTEMS.
AU127308B2 (en) Automatic telephone systems
CH248647A (en) Automatic telegraph transmitter.